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gstreamer/subprojects/gst-omx/omx/gstomxvideoenc.c

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/*
* Copyright (C) 2011, Hewlett-Packard Development Company, L.P.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>, Collabora Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/video/gstvideometa.h>
#include <gst/allocators/gstdmabuf.h>
#include <string.h>
#include "gstomxbufferpool.h"
#include "gstomxvideo.h"
#include "gstomxvideoenc.h"
#ifdef USE_OMX_TARGET_RPI
#include <OMX_Broadcom.h>
#include <OMX_Index.h>
#endif
GST_DEBUG_CATEGORY_STATIC (gst_omx_video_enc_debug_category);
#define GST_CAT_DEFAULT gst_omx_video_enc_debug_category
#define GST_TYPE_OMX_VIDEO_ENC_CONTROL_RATE (gst_omx_video_enc_control_rate_get_type ())
static GType
gst_omx_video_enc_control_rate_get_type (void)
{
static GType qtype = 0;
if (qtype == 0) {
static const GEnumValue values[] = {
{OMX_Video_ControlRateDisable, "Disable", "disable"},
{OMX_Video_ControlRateVariable, "Variable", "variable"},
{OMX_Video_ControlRateConstant, "Constant", "constant"},
{OMX_Video_ControlRateVariableSkipFrames, "Variable Skip Frames",
"variable-skip-frames"},
{OMX_Video_ControlRateConstantSkipFrames, "Constant Skip Frames",
"constant-skip-frames"},
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
{OMX_ALG_Video_ControlRateLowLatency, "Low Latency", "low-latency"},
#endif
{0xffffffff, "Component Default", "default"},
{0, NULL, NULL}
};
qtype = g_enum_register_static ("GstOMXVideoEncControlRate", values);
}
return qtype;
}
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
#define GST_TYPE_OMX_VIDEO_ENC_QP_MODE (gst_omx_video_enc_qp_mode_get_type ())
typedef enum
{
UNIFORM_QP,
ROI_QP,
AUTO_QP,
LOAD_QP_ABSOLUTE,
LOAD_QP_RELATIVE,
} GstOMXVideoEncQpMode;
static GType
gst_omx_video_enc_qp_mode_get_type (void)
{
static GType qtype = 0;
if (qtype == 0) {
static const GEnumValue values[] = {
{UNIFORM_QP, "Use the same QP for all coding units of the frame",
"uniform"},
{ROI_QP,
"Adjust QP according to the regions of interest defined on each frame. Must be set to handle ROI metadata.",
"roi"},
{AUTO_QP,
"Let the VCU encoder change the QP for each coding unit according to its content",
"auto"},
{LOAD_QP_ABSOLUTE,
"Uses absolute QP values set by user. Must be set to use External QP buffer",
"load-qp-absolute"},
{LOAD_QP_RELATIVE,
"Uses Relative/Delta QP values set by user. Must be set to use External QP buffer",
"load-qp-relative"},
{0xffffffff, "Component Default", "default"},
{0, NULL, NULL}
};
qtype = g_enum_register_static ("GstOMXVideoEncQpMode", values);
}
return qtype;
}
#define GST_TYPE_OMX_VIDEO_ENC_GOP_MODE (gst_omx_video_enc_gop_mode_get_type ())
static GType
gst_omx_video_enc_gop_mode_get_type (void)
{
static GType qtype = 0;
if (qtype == 0) {
static const GEnumValue values[] = {
{OMX_ALG_GOP_MODE_DEFAULT, "Basic GOP settings", "basic"},
{OMX_ALG_GOP_MODE_PYRAMIDAL,
"Advanced GOP pattern with hierarchical B-frames", "pyramidal"},
{OMX_ALG_GOP_MODE_LOW_DELAY_P, "Single I-frame followed by P-frames only",
"low-delay-p"},
{OMX_ALG_GOP_MODE_LOW_DELAY_B, "Single I-frame followed by B-frames only",
"low-delay-b"},
{OMX_ALG_GOP_MODE_ADAPTIVE, "Advanced GOP pattern with adaptive B-frames",
"adaptive"},
{0, NULL, NULL}
};
qtype = g_enum_register_static ("GstOMXVideoEncGopMode", values);
}
return qtype;
}
#define GST_TYPE_OMX_VIDEO_ENC_GDR_MODE (gst_omx_video_enc_gdr_mode_get_type ())
static GType
gst_omx_video_enc_gdr_mode_get_type (void)
{
static GType qtype = 0;
if (qtype == 0) {
static const GEnumValue values[] = {
{OMX_ALG_GDR_OFF, "No GDR", "disabled"},
{OMX_ALG_GDR_VERTICAL,
"Gradual refresh using a vertical bar moving from left to right",
"vertical"},
{OMX_ALG_GDR_HORIZONTAL,
"Gradual refresh using a horizontal bar moving from top to bottom",
"horizontal"},
{0, NULL, NULL}
};
qtype = g_enum_register_static ("GstOMXVideoEncGdrMode", values);
}
return qtype;
}
#define GST_TYPE_OMX_VIDEO_ENC_SCALING_LIST (gst_omx_video_enc_scaling_list_get_type ())
static GType
gst_omx_video_enc_scaling_list_get_type (void)
{
static GType qtype = 0;
if (qtype == 0) {
static const GEnumValue values[] = {
{OMX_ALG_SCL_DEFAULT, "Default scaling list mode", "default"},
{OMX_ALG_SCL_FLAT, "Flat scaling list mode", "flat"},
{0, NULL, NULL}
};
qtype = g_enum_register_static ("GstOMXVideoEncScalingList", values);
}
return qtype;
}
#define GST_TYPE_OMX_VIDEO_ENC_ASPECT_RATIO (gst_omx_video_enc_aspect_ratio_get_type ())
static GType
gst_omx_video_enc_aspect_ratio_get_type (void)
{
static GType qtype = 0;
if (qtype == 0) {
static const GEnumValue values[] = {
{OMX_ALG_ASPECT_RATIO_AUTO,
"4:3 for SD video,16:9 for HD video,unspecified for unknown format",
"auto"},
{OMX_ALG_ASPECT_RATIO_4_3, "4:3 aspect ratio", "4-3"},
{OMX_ALG_ASPECT_RATIO_16_9, "16:9 aspect ratio", "16-9"},
{OMX_ALG_ASPECT_RATIO_NONE,
"Aspect ratio information is not present in the stream", "none"},
{0, NULL, NULL}
};
qtype = g_enum_register_static ("GstOMXVideoEncAspectRatio", values);
}
return qtype;
}
#define GST_TYPE_OMX_VIDEO_ENC_ROI_QUALITY (gst_omx_video_enc_roi_quality_type ())
static GType
gst_omx_video_enc_roi_quality_type (void)
{
static GType qtype = 0;
if (qtype == 0) {
static const GEnumValue values[] = {
{OMX_ALG_ROI_QUALITY_HIGH, "Delta QP of -5", "high"},
{OMX_ALG_ROI_QUALITY_MEDIUM, "Delta QP of 0", "medium"},
{OMX_ALG_ROI_QUALITY_LOW, "Delta QP of +5", "low"},
{OMX_ALG_ROI_QUALITY_DONT_CARE, "Maximum delta QP value", "dont-care"},
{0, NULL, NULL}
};
qtype = g_enum_register_static ("GstOMXVideoEncRoiQuality", values);
}
return qtype;
}
#endif
/* prototypes */
static void gst_omx_video_enc_finalize (GObject * object);
static void gst_omx_video_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_omx_video_enc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstStateChangeReturn
gst_omx_video_enc_change_state (GstElement * element,
GstStateChange transition);
static gboolean gst_omx_video_enc_open (GstVideoEncoder * encoder);
static gboolean gst_omx_video_enc_close (GstVideoEncoder * encoder);
static gboolean gst_omx_video_enc_start (GstVideoEncoder * encoder);
static gboolean gst_omx_video_enc_stop (GstVideoEncoder * encoder);
static gboolean gst_omx_video_enc_set_format (GstVideoEncoder * encoder,
GstVideoCodecState * state);
static gboolean gst_omx_video_enc_flush (GstVideoEncoder * encoder);
static GstFlowReturn gst_omx_video_enc_handle_frame (GstVideoEncoder * encoder,
GstVideoCodecFrame * frame);
static gboolean gst_omx_video_enc_finish (GstVideoEncoder * encoder);
static gboolean gst_omx_video_enc_propose_allocation (GstVideoEncoder * encoder,
GstQuery * query);
static GstCaps *gst_omx_video_enc_getcaps (GstVideoEncoder * encoder,
GstCaps * filter);
static gboolean gst_omx_video_enc_decide_allocation (GstVideoEncoder * encoder,
GstQuery * query);
static GstFlowReturn gst_omx_video_enc_drain (GstOMXVideoEnc * self);
static GstFlowReturn gst_omx_video_enc_handle_output_frame (GstOMXVideoEnc *
self, GstOMXPort * port, GstOMXBuffer * buf, GstVideoCodecFrame * frame);
static gboolean gst_omx_video_enc_sink_event (GstVideoEncoder * encoder,
GstEvent * event);
enum
{
PROP_0,
PROP_CONTROL_RATE,
PROP_TARGET_BITRATE,
PROP_QUANT_I_FRAMES,
PROP_QUANT_P_FRAMES,
PROP_QUANT_B_FRAMES,
PROP_QP_MODE,
PROP_MIN_QP,
PROP_MAX_QP,
PROP_GOP_MODE,
PROP_GDR_MODE,
PROP_INITIAL_DELAY,
PROP_CPB_SIZE,
PROP_SCALING_LIST,
PROP_LOW_BANDWIDTH,
PROP_MAX_BITRATE,
PROP_ASPECT_RATIO,
PROP_FILLER_DATA,
PROP_NUM_SLICES,
PROP_SLICE_SIZE,
PROP_DEPENDENT_SLICE,
PROP_DEFAULT_ROI_QUALITY,
PROP_LONGTERM_REF,
PROP_LONGTERM_FREQUENCY,
PROP_LOOK_AHEAD,
};
/* FIXME: Better defaults */
#define GST_OMX_VIDEO_ENC_CONTROL_RATE_DEFAULT (0xffffffff)
#define GST_OMX_VIDEO_ENC_TARGET_BITRATE_DEFAULT (0xffffffff)
#define GST_OMX_VIDEO_ENC_QUANT_I_FRAMES_DEFAULT (0xffffffff)
#define GST_OMX_VIDEO_ENC_QUANT_P_FRAMES_DEFAULT (0xffffffff)
#define GST_OMX_VIDEO_ENC_QUANT_B_FRAMES_DEFAULT (0xffffffff)
#define GST_OMX_VIDEO_ENC_QP_MODE_DEFAULT (0xffffffff)
#define GST_OMX_VIDEO_ENC_MIN_QP_DEFAULT (10)
#define GST_OMX_VIDEO_ENC_MAX_QP_DEFAULT (51)
#define GST_OMX_VIDEO_ENC_GOP_MODE_DEFAULT (OMX_ALG_GOP_MODE_DEFAULT)
#define GST_OMX_VIDEO_ENC_GDR_MODE_DEFAULT (OMX_ALG_GDR_OFF)
#define GST_OMX_VIDEO_ENC_INITIAL_DELAY_DEFAULT (1500)
#define GST_OMX_VIDEO_ENC_CPB_SIZE_DEFAULT (3000)
#define GST_OMX_VIDEO_ENC_SCALING_LIST_DEFAULT (OMX_ALG_SCL_DEFAULT)
#define GST_OMX_VIDEO_ENC_LOW_BANDWIDTH_DEFAULT (FALSE)
#define GST_OMX_VIDEO_ENC_MAX_BITRATE_DEFAULT (0xffffffff)
#define GST_OMX_VIDEO_ENC_ASPECT_RATIO_DEFAULT (OMX_ALG_ASPECT_RATIO_AUTO)
#define GST_OMX_VIDEO_ENC_FILLER_DATA_DEFAULT (TRUE)
#define GST_OMX_VIDEO_ENC_NUM_SLICES_DEFAULT (0xffffffff)
#define GST_OMX_VIDEO_ENC_SLICE_SIZE_DEFAULT (0)
#define GST_OMX_VIDEO_ENC_DEPENDENT_SLICE_DEFAULT (FALSE)
#define GST_OMX_VIDEO_ENC_DEFAULT_ROI_QUALITY OMX_ALG_ROI_QUALITY_HIGH
#define GST_OMX_VIDEO_ENC_LONGTERM_REF_DEFAULT (FALSE)
#define GST_OMX_VIDEO_ENC_LONGTERM_FREQUENCY_DEFAULT (0)
#define GST_OMX_VIDEO_ENC_LOOK_AHEAD_DEFAULT (0)
/* ZYNQ_USCALE_PLUS encoder custom events */
#define OMX_ALG_GST_EVENT_INSERT_LONGTERM "omx-alg/insert-longterm"
#define OMX_ALG_GST_EVENT_USE_LONGTERM "omx-alg/use-longterm"
/* class initialization */
#define do_init \
{ \
GST_DEBUG_CATEGORY_INIT (gst_omx_video_enc_debug_category, "omxvideoenc", 0, \
"debug category for gst-omx video encoder base class"); \
G_IMPLEMENT_INTERFACE (GST_TYPE_PRESET, NULL); \
}
G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GstOMXVideoEnc, gst_omx_video_enc,
GST_TYPE_VIDEO_ENCODER, do_init);
static void
gst_omx_video_enc_class_init (GstOMXVideoEncClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstVideoEncoderClass *video_encoder_class = GST_VIDEO_ENCODER_CLASS (klass);
gobject_class->finalize = gst_omx_video_enc_finalize;
gobject_class->set_property = gst_omx_video_enc_set_property;
gobject_class->get_property = gst_omx_video_enc_get_property;
g_object_class_install_property (gobject_class, PROP_CONTROL_RATE,
g_param_spec_enum ("control-rate", "Control Rate",
"Bitrate control method",
GST_TYPE_OMX_VIDEO_ENC_CONTROL_RATE,
GST_OMX_VIDEO_ENC_CONTROL_RATE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_TARGET_BITRATE,
g_param_spec_uint ("target-bitrate", "Target Bitrate",
"Target bitrate in bits per second (0xffffffff=component default)",
0, G_MAXUINT, GST_OMX_VIDEO_ENC_TARGET_BITRATE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_PLAYING));
g_object_class_install_property (gobject_class, PROP_QUANT_I_FRAMES,
g_param_spec_uint ("quant-i-frames", "I-Frame Quantization",
"Quantization parameter for I-frames (0xffffffff=component default)",
0, G_MAXUINT, GST_OMX_VIDEO_ENC_QUANT_I_FRAMES_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_QUANT_P_FRAMES,
g_param_spec_uint ("quant-p-frames", "P-Frame Quantization",
"Quantization parameter for P-frames (0xffffffff=component default)",
0, G_MAXUINT, GST_OMX_VIDEO_ENC_QUANT_P_FRAMES_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_QUANT_B_FRAMES,
g_param_spec_uint ("quant-b-frames", "B-Frame Quantization",
"Quantization parameter for B-frames (0xffffffff=component default)",
0, G_MAXUINT, GST_OMX_VIDEO_ENC_QUANT_B_FRAMES_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
g_object_class_install_property (gobject_class, PROP_QP_MODE,
g_param_spec_enum ("qp-mode", "QP mode",
"QP control mode used by the VCU encoder",
GST_TYPE_OMX_VIDEO_ENC_QP_MODE,
GST_OMX_VIDEO_ENC_QP_MODE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_MIN_QP,
g_param_spec_uint ("min-qp", "min Quantization value",
"Minimum QP value allowed for the rate control",
0, 51, GST_OMX_VIDEO_ENC_MIN_QP_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_MAX_QP,
g_param_spec_uint ("max-qp", "max Quantization value",
"Maximum QP value allowed for the rate control",
0, 51, GST_OMX_VIDEO_ENC_MAX_QP_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_GOP_MODE,
g_param_spec_enum ("gop-mode", "GOP mode",
"Group Of Pictures mode",
GST_TYPE_OMX_VIDEO_ENC_GOP_MODE,
GST_OMX_VIDEO_ENC_GOP_MODE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_GDR_MODE,
g_param_spec_enum ("gdr-mode", "GDR mode",
"Gradual Decoder Refresh scheme mode. Only used if gop-mode=low-delay-p",
GST_TYPE_OMX_VIDEO_ENC_GDR_MODE,
GST_OMX_VIDEO_ENC_GDR_MODE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_INITIAL_DELAY,
g_param_spec_uint ("initial-delay", "Initial Delay",
"The initial removal delay as specified in the HRD model in msec. "
"Not used when control-rate=disable",
0, G_MAXUINT, GST_OMX_VIDEO_ENC_INITIAL_DELAY_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_CPB_SIZE,
g_param_spec_uint ("cpb-size", "CPB size",
"Coded Picture Buffer as specified in the HRD model in msec. "
"Not used when control-rate=disable",
0, G_MAXUINT, GST_OMX_VIDEO_ENC_CPB_SIZE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_SCALING_LIST,
g_param_spec_enum ("scaling-list", "Scaling List",
"Scaling list mode",
GST_TYPE_OMX_VIDEO_ENC_SCALING_LIST,
GST_OMX_VIDEO_ENC_SCALING_LIST_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_LOW_BANDWIDTH,
g_param_spec_boolean ("low-bandwidth", "Low bandwidth mode",
"If enabled, decrease the vertical search range "
"used for P-frame motion estimation to reduce the bandwidth",
GST_OMX_VIDEO_ENC_LOW_BANDWIDTH_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_MAX_BITRATE,
g_param_spec_uint ("max-bitrate", "Max Bitrate",
"Max bitrate in bits per second, only used if control-rate=variable (0xffffffff=component default)",
0, G_MAXUINT, GST_OMX_VIDEO_ENC_MAX_BITRATE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_ASPECT_RATIO,
g_param_spec_enum ("aspect-ratio", "Aspect ratio",
"Display aspect ratio of the video sequence to be written in SPS/VUI",
GST_TYPE_OMX_VIDEO_ENC_ASPECT_RATIO,
GST_OMX_VIDEO_ENC_ASPECT_RATIO_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_FILLER_DATA,
g_param_spec_boolean ("filler-data", "Filler Data",
"Enable/Disable Filler Data NAL units for CBR rate control",
GST_OMX_VIDEO_ENC_FILLER_DATA_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_NUM_SLICES,
g_param_spec_uint ("num-slices", "Number of slices",
"Number of slices produced for each frame. Each slice contains one or more complete macroblock/CTU row(s). "
"Slices are distributed over the frame as regularly as possible. If slice-size is defined as well more slices "
"may be produced to fit the slice-size requirement (0xffffffff=component default)",
1, G_MAXUINT, GST_OMX_VIDEO_ENC_NUM_SLICES_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_SLICE_SIZE,
g_param_spec_uint ("slice-size", "Target slice size",
"Target slice size (in bytes) that the encoder uses to "
"automatically split the bitstream into approximately equally-sized slices",
0, 65535, GST_OMX_VIDEO_ENC_SLICE_SIZE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_DEPENDENT_SLICE,
g_param_spec_boolean ("dependent-slice", "Dependent slice",
"If encoding with multiple slices, specify whether the additional slices are "
"dependent slice segments or regular slices",
GST_OMX_VIDEO_ENC_DEPENDENT_SLICE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_DEFAULT_ROI_QUALITY,
g_param_spec_enum ("default-roi-quality", "Default ROI Qualtiy",
"The default quality level to apply to each Region of Interest",
GST_TYPE_OMX_VIDEO_ENC_ROI_QUALITY,
GST_OMX_VIDEO_ENC_DEFAULT_ROI_QUALITY,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_LONGTERM_REF,
g_param_spec_boolean ("long-term-ref", "LongTerm Reference Pictures",
"If enabled, encoder accepts dynamically inserting and using long-term reference "
"picture events from upstream elements",
GST_OMX_VIDEO_ENC_LONGTERM_REF_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_LONGTERM_FREQUENCY,
g_param_spec_uint ("long-term-freq", "LongTerm reference frequency",
"Periodicity of LongTerm reference picture marking in encoding process "
"Units in frames, distance between two consequtive long-term reference pictures",
0, G_MAXUINT, GST_OMX_VIDEO_ENC_LONGTERM_REF_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_LOOK_AHEAD,
g_param_spec_uint ("look-ahead", "look ahead size",
"The number of frames processed ahead of second pass encoding. If smaller than 2, dual pass encoding is disabled",
0, G_MAXUINT, GST_OMX_VIDEO_ENC_LOOK_AHEAD_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
#endif
element_class->change_state =
GST_DEBUG_FUNCPTR (gst_omx_video_enc_change_state);
video_encoder_class->open = GST_DEBUG_FUNCPTR (gst_omx_video_enc_open);
video_encoder_class->close = GST_DEBUG_FUNCPTR (gst_omx_video_enc_close);
video_encoder_class->start = GST_DEBUG_FUNCPTR (gst_omx_video_enc_start);
video_encoder_class->stop = GST_DEBUG_FUNCPTR (gst_omx_video_enc_stop);
video_encoder_class->flush = GST_DEBUG_FUNCPTR (gst_omx_video_enc_flush);
video_encoder_class->set_format =
GST_DEBUG_FUNCPTR (gst_omx_video_enc_set_format);
video_encoder_class->handle_frame =
GST_DEBUG_FUNCPTR (gst_omx_video_enc_handle_frame);
video_encoder_class->finish = GST_DEBUG_FUNCPTR (gst_omx_video_enc_finish);
video_encoder_class->propose_allocation =
GST_DEBUG_FUNCPTR (gst_omx_video_enc_propose_allocation);
video_encoder_class->getcaps = GST_DEBUG_FUNCPTR (gst_omx_video_enc_getcaps);
video_encoder_class->sink_event =
GST_DEBUG_FUNCPTR (gst_omx_video_enc_sink_event);
video_encoder_class->decide_allocation =
GST_DEBUG_FUNCPTR (gst_omx_video_enc_decide_allocation);
klass->cdata.type = GST_OMX_COMPONENT_TYPE_FILTER;
klass->cdata.default_sink_template_caps =
GST_VIDEO_CAPS_MAKE (GST_OMX_VIDEO_ENC_SUPPORTED_FORMATS);
klass->handle_output_frame =
GST_DEBUG_FUNCPTR (gst_omx_video_enc_handle_output_frame);
}
static void
gst_omx_video_enc_init (GstOMXVideoEnc * self)
{
self->control_rate = GST_OMX_VIDEO_ENC_CONTROL_RATE_DEFAULT;
self->target_bitrate = GST_OMX_VIDEO_ENC_TARGET_BITRATE_DEFAULT;
self->quant_i_frames = GST_OMX_VIDEO_ENC_QUANT_I_FRAMES_DEFAULT;
self->quant_p_frames = GST_OMX_VIDEO_ENC_QUANT_P_FRAMES_DEFAULT;
self->quant_b_frames = GST_OMX_VIDEO_ENC_QUANT_B_FRAMES_DEFAULT;
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
self->qp_mode = GST_OMX_VIDEO_ENC_QP_MODE_DEFAULT;
self->min_qp = GST_OMX_VIDEO_ENC_MIN_QP_DEFAULT;
self->max_qp = GST_OMX_VIDEO_ENC_MAX_QP_DEFAULT;
self->gop_mode = GST_OMX_VIDEO_ENC_GOP_MODE_DEFAULT;
self->gdr_mode = GST_OMX_VIDEO_ENC_GDR_MODE_DEFAULT;
self->initial_delay = GST_OMX_VIDEO_ENC_INITIAL_DELAY_DEFAULT;
self->cpb_size = GST_OMX_VIDEO_ENC_CPB_SIZE_DEFAULT;
self->scaling_list = GST_OMX_VIDEO_ENC_SCALING_LIST_DEFAULT;
self->low_bandwidth = GST_OMX_VIDEO_ENC_LOW_BANDWIDTH_DEFAULT;
self->max_bitrate = GST_OMX_VIDEO_ENC_MAX_BITRATE_DEFAULT;
self->aspect_ratio = GST_OMX_VIDEO_ENC_ASPECT_RATIO_DEFAULT;
self->filler_data = GST_OMX_VIDEO_ENC_FILLER_DATA_DEFAULT;
self->num_slices = GST_OMX_VIDEO_ENC_NUM_SLICES_DEFAULT;
self->slice_size = GST_OMX_VIDEO_ENC_SLICE_SIZE_DEFAULT;
self->dependent_slice = GST_OMX_VIDEO_ENC_DEPENDENT_SLICE_DEFAULT;
self->default_roi_quality = GST_OMX_VIDEO_ENC_DEFAULT_ROI_QUALITY;
self->long_term_ref = GST_OMX_VIDEO_ENC_LONGTERM_REF_DEFAULT;
self->long_term_freq = GST_OMX_VIDEO_ENC_LONGTERM_FREQUENCY_DEFAULT;
self->look_ahead = GST_OMX_VIDEO_ENC_LOOK_AHEAD_DEFAULT;
#endif
self->default_target_bitrate = GST_OMX_PROP_OMX_DEFAULT;
g_mutex_init (&self->drain_lock);
g_cond_init (&self->drain_cond);
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
self->alg_roi_quality_enum_class =
g_type_class_ref (GST_TYPE_OMX_VIDEO_ENC_ROI_QUALITY);
#endif
}
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
#define CHECK_ERR(setting) \
if (err == OMX_ErrorUnsupportedIndex || err == OMX_ErrorUnsupportedSetting) { \
GST_WARNING_OBJECT (self, \
"Setting " setting " parameters not supported by the component"); \
} else if (err != OMX_ErrorNone) { \
GST_ERROR_OBJECT (self, \
"Failed to set " setting " parameters: %s (0x%08x)", \
gst_omx_error_to_string (err), err); \
return FALSE; \
}
static gboolean
set_zynqultrascaleplus_props (GstOMXVideoEnc * self)
{
OMX_ERRORTYPE err;
OMX_ALG_VIDEO_PARAM_QUANTIZATION_CONTROL quant;
OMX_ALG_VIDEO_PARAM_QUANTIZATION_TABLE quant_table;
if (self->qp_mode != GST_OMX_VIDEO_ENC_QP_MODE_DEFAULT) {
guint32 qp_mode = OMX_ALG_QP_CTRL_NONE;
guint32 qp_table = OMX_ALG_QP_TABLE_NONE;
/* qp_mode should be mapped to combination QUANTIZATION_CONTROL & QUANTIZATION_TABLE Params */
switch (self->qp_mode) {
case UNIFORM_QP:
qp_mode = OMX_ALG_QP_CTRL_NONE;
qp_table = OMX_ALG_QP_TABLE_NONE;
break;
case AUTO_QP:
qp_mode = OMX_ALG_QP_CTRL_AUTO;
qp_table = OMX_ALG_QP_TABLE_NONE;
break;
case ROI_QP:
qp_mode = OMX_ALG_QP_CTRL_NONE;
qp_table = OMX_ALG_QP_TABLE_RELATIVE;
break;
case LOAD_QP_ABSOLUTE:
qp_mode = OMX_ALG_QP_CTRL_NONE;
qp_table = OMX_ALG_QP_TABLE_ABSOLUTE;
break;
case LOAD_QP_RELATIVE:
qp_mode = OMX_ALG_QP_CTRL_NONE;
qp_table = OMX_ALG_QP_TABLE_RELATIVE;
break;
default:
GST_WARNING_OBJECT (self,
"Invalid option. Falling back to Uniform mode");
break;
}
GST_OMX_INIT_STRUCT (&quant);
quant.nPortIndex = self->enc_out_port->index;
quant.eQpControlMode = qp_mode;
GST_DEBUG_OBJECT (self, "setting QP mode to %d", qp_mode);
err =
gst_omx_component_set_parameter (self->enc,
(OMX_INDEXTYPE) OMX_ALG_IndexParamVideoQuantizationControl, &quant);
CHECK_ERR ("quantization");
GST_OMX_INIT_STRUCT (&quant_table);
quant_table.nPortIndex = self->enc_out_port->index;
quant_table.eQpTableMode = qp_table;
GST_DEBUG_OBJECT (self, "setting QP Table Mode to %d", qp_table);
err =
gst_omx_component_set_parameter (self->enc,
(OMX_INDEXTYPE) OMX_ALG_IndexParamVideoQuantizationTable, &quant_table);
CHECK_ERR ("quantization table");
}
{
OMX_ALG_VIDEO_PARAM_QUANTIZATION_EXTENSION qp_values;
GST_OMX_INIT_STRUCT (&qp_values);
qp_values.nPortIndex = self->enc_out_port->index;
qp_values.nQpMin = self->min_qp;
qp_values.nQpMax = self->max_qp;
GST_DEBUG_OBJECT (self, "setting min QP as %d and max QP as %d",
self->min_qp, self->max_qp);
err =
gst_omx_component_set_parameter (self->enc,
(OMX_INDEXTYPE) OMX_ALG_IndexParamVideoQuantizationExtension,
&qp_values);
CHECK_ERR ("min-qp and max-qp");
}
{
OMX_ALG_VIDEO_PARAM_GOP_CONTROL gop_mode;
if (self->gdr_mode != OMX_ALG_GDR_OFF &&
self->gop_mode != OMX_ALG_GOP_MODE_LOW_DELAY_P) {
GST_ERROR_OBJECT (self,
"gdr-mode mode only can be set if gop-mode=low-delay-p");
return FALSE;
}
GST_OMX_INIT_STRUCT (&gop_mode);
gop_mode.nPortIndex = self->enc_out_port->index;
gop_mode.eGopControlMode = self->gop_mode;
gop_mode.eGdrMode = self->gdr_mode;
GST_DEBUG_OBJECT (self, "setting GOP mode to %d and GDR mode to %d",
self->gop_mode, self->gdr_mode);
err =
gst_omx_component_set_parameter (self->enc,
(OMX_INDEXTYPE) OMX_ALG_IndexParamVideoGopControl, &gop_mode);
CHECK_ERR ("GOP & GDR");
}
if (self->control_rate != OMX_Video_ControlRateDisable) {
if (self->cpb_size < self->initial_delay) {
GST_ERROR_OBJECT (self,
"cpb-size (%d) cannot be smaller than initial-delay (%d)",
self->cpb_size, self->initial_delay);
g_critical ("cpb-size (%d) cannot be smaller than initial-delay (%d)",
self->cpb_size, self->initial_delay);
} else {
OMX_ALG_VIDEO_PARAM_CODED_PICTURE_BUFFER cpb;
GST_OMX_INIT_STRUCT (&cpb);
cpb.nPortIndex = self->enc_out_port->index;
cpb.nCodedPictureBufferSize = self->cpb_size;
cpb.nInitialRemovalDelay = self->initial_delay;
GST_DEBUG_OBJECT (self, "setting cpb size to %d and initial delay to %d",
self->cpb_size, self->initial_delay);
err =
gst_omx_component_set_parameter (self->enc,
(OMX_INDEXTYPE) OMX_ALG_IndexParamVideoCodedPictureBuffer, &cpb);
CHECK_ERR ("cpb size & initial delay");
}
}
{
OMX_ALG_VIDEO_PARAM_SCALING_LIST scaling_list;
GST_OMX_INIT_STRUCT (&scaling_list);
scaling_list.nPortIndex = self->enc_out_port->index;
scaling_list.eScalingListMode = self->scaling_list;
GST_DEBUG_OBJECT (self, "setting scaling list mode as %d",
self->scaling_list);
err =
gst_omx_component_set_parameter (self->enc,
(OMX_INDEXTYPE) OMX_ALG_IndexParamVideoScalingList, &scaling_list);
CHECK_ERR ("scaling-list");
}
{
OMX_ALG_VIDEO_PARAM_LOW_BANDWIDTH low_bw;
GST_OMX_INIT_STRUCT (&low_bw);
low_bw.nPortIndex = self->enc_out_port->index;
low_bw.bEnableLowBandwidth = self->low_bandwidth;
GST_DEBUG_OBJECT (self, "%s low bandwith moded",
self->low_bandwidth ? "Enable" : "Disable");
err =
gst_omx_component_set_parameter (self->enc,
(OMX_INDEXTYPE) OMX_ALG_IndexParamVideoLowBandwidth, &low_bw);
CHECK_ERR ("low-bandwidth");
}
if (self->max_bitrate != GST_OMX_VIDEO_ENC_MAX_BITRATE_DEFAULT) {
OMX_ALG_VIDEO_PARAM_MAX_BITRATE max_bitrate;
GST_OMX_INIT_STRUCT (&max_bitrate);
max_bitrate.nPortIndex = self->enc_out_port->index;
/* nMaxBitrate is in kbps while max-bitrate is in bps */
max_bitrate.nMaxBitrate = self->max_bitrate / 1000;
GST_DEBUG_OBJECT (self, "setting max bitrate to %d", self->max_bitrate);
err =
gst_omx_component_set_parameter (self->enc,
(OMX_INDEXTYPE) OMX_ALG_IndexParamVideoMaxBitrate, &max_bitrate);
CHECK_ERR ("max-bitrate");
}
{
OMX_ALG_VIDEO_PARAM_ASPECT_RATIO aspect_ratio;
GST_OMX_INIT_STRUCT (&aspect_ratio);
aspect_ratio.nPortIndex = self->enc_out_port->index;
aspect_ratio.eAspectRatio = self->aspect_ratio;
GST_DEBUG_OBJECT (self, "setting aspect ratio to %d", self->aspect_ratio);
err =
gst_omx_component_set_parameter (self->enc,
(OMX_INDEXTYPE) OMX_ALG_IndexParamVideoAspectRatio, &aspect_ratio);
CHECK_ERR ("aspect-ratio");
}
{
OMX_ALG_VIDEO_PARAM_FILLER_DATA filler_data;
GST_OMX_INIT_STRUCT (&filler_data);
filler_data.nPortIndex = self->enc_out_port->index;
filler_data.bDisableFillerData = !(self->filler_data);
GST_DEBUG_OBJECT (self, "%s filler data",
self->filler_data ? "Enable" : "Disable");
err =
gst_omx_component_set_parameter (self->enc,
(OMX_INDEXTYPE) OMX_ALG_IndexParamVideoFillerData, &filler_data);
CHECK_ERR ("filler-data");
}
if (self->num_slices != GST_OMX_VIDEO_ENC_NUM_SLICES_DEFAULT ||
self->slice_size != GST_OMX_VIDEO_ENC_SLICE_SIZE_DEFAULT) {
OMX_ALG_VIDEO_PARAM_SLICES slices;
GST_OMX_INIT_STRUCT (&slices);
slices.nPortIndex = self->enc_out_port->index;
err = gst_omx_component_get_parameter (self->enc,
(OMX_INDEXTYPE) OMX_ALG_IndexParamVideoSlices, &slices);
if (err != OMX_ErrorNone) {
GST_WARNING_OBJECT (self, "Error getting slice parameters: %s (0x%08x)",
gst_omx_error_to_string (err), err);
return FALSE;
}
if (self->num_slices != GST_OMX_VIDEO_ENC_NUM_SLICES_DEFAULT) {
slices.nNumSlices = self->num_slices;
GST_DEBUG_OBJECT (self,
"setting number of slices to %d (dependent slices: %d)",
self->num_slices, self->dependent_slice);
}
if (self->slice_size != GST_OMX_VIDEO_ENC_SLICE_SIZE_DEFAULT) {
slices.nSlicesSize = self->slice_size;
GST_DEBUG_OBJECT (self, "setting slice size to %d (dependent slices: %d)",
self->slice_size, self->dependent_slice);
}
slices.bDependentSlices = self->dependent_slice;
err =
gst_omx_component_set_parameter (self->enc,
(OMX_INDEXTYPE) OMX_ALG_IndexParamVideoSlices, &slices);
CHECK_ERR ("slices");
}
{
OMX_ALG_VIDEO_PARAM_LONG_TERM longterm;
GST_OMX_INIT_STRUCT (&longterm);
longterm.nPortIndex = self->enc_out_port->index;
longterm.bEnableLongTerm = self->long_term_ref;
longterm.nLongTermFrequency = self->long_term_freq;
GST_DEBUG_OBJECT (self, "setting long-term ref to %d, long-term-freq to %d",
self->long_term_ref, self->long_term_freq);
err =
gst_omx_component_set_parameter (self->enc,
(OMX_INDEXTYPE) OMX_ALG_IndexParamVideoLongTerm, &longterm);
CHECK_ERR ("longterm");
}
{
OMX_ALG_VIDEO_PARAM_LOOKAHEAD look_ahead;
GST_OMX_INIT_STRUCT (&look_ahead);
look_ahead.nPortIndex = self->enc_in_port->index;
look_ahead.nLookAhead = self->look_ahead;
GST_DEBUG_OBJECT (self, "setting look_ahead to %d", self->look_ahead);
err =
gst_omx_component_set_parameter (self->enc,
(OMX_INDEXTYPE) OMX_ALG_IndexParamVideoLookAhead, &look_ahead);
CHECK_ERR ("look-ahead");
}
return TRUE;
}
#endif
static gboolean
gst_omx_video_enc_set_bitrate (GstOMXVideoEnc * self)
{
OMX_ERRORTYPE err;
OMX_VIDEO_PARAM_BITRATETYPE bitrate_param;
gboolean result = TRUE;
GST_OBJECT_LOCK (self);
GST_OMX_INIT_STRUCT (&bitrate_param);
bitrate_param.nPortIndex = self->enc_out_port->index;
err = gst_omx_component_get_parameter (self->enc,
OMX_IndexParamVideoBitrate, &bitrate_param);
if (err == OMX_ErrorNone) {
#ifdef USE_OMX_TARGET_RPI
/* FIXME: Workaround for RPi returning garbage for this parameter */
if (bitrate_param.nVersion.nVersion == 0) {
GST_OMX_INIT_STRUCT (&bitrate_param);
bitrate_param.nPortIndex = self->enc_out_port->index;
}
#endif
if (self->default_target_bitrate == GST_OMX_PROP_OMX_DEFAULT)
/* Save the actual OMX default so we can restore it if needed */
self->default_target_bitrate = bitrate_param.nTargetBitrate;
if (self->control_rate != 0xffffffff)
bitrate_param.eControlRate = self->control_rate;
if (self->target_bitrate != 0xffffffff)
bitrate_param.nTargetBitrate = self->target_bitrate;
else
bitrate_param.nTargetBitrate = self->default_target_bitrate;
err =
gst_omx_component_set_parameter (self->enc,
OMX_IndexParamVideoBitrate, &bitrate_param);
if (err == OMX_ErrorUnsupportedIndex) {
GST_WARNING_OBJECT (self,
"Setting a bitrate not supported by the component");
} else if (err == OMX_ErrorUnsupportedSetting) {
GST_WARNING_OBJECT (self,
"Setting bitrate settings %u %u not supported by the component",
self->control_rate, self->target_bitrate);
} else if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (self,
"Failed to set bitrate parameters: %s (0x%08x)",
gst_omx_error_to_string (err), err);
result = FALSE;
}
} else {
GST_ERROR_OBJECT (self, "Failed to get bitrate parameters: %s (0x%08x)",
gst_omx_error_to_string (err), err);
}
GST_OBJECT_UNLOCK (self);
return result;
}
static gboolean
gst_omx_video_enc_open (GstVideoEncoder * encoder)
{
GstOMXVideoEnc *self = GST_OMX_VIDEO_ENC (encoder);
GstOMXVideoEncClass *klass = GST_OMX_VIDEO_ENC_GET_CLASS (self);
gint in_port_index, out_port_index;
self->enc =
gst_omx_component_new (GST_OBJECT_CAST (self), klass->cdata.core_name,
klass->cdata.component_name, klass->cdata.component_role,
klass->cdata.hacks);
self->started = FALSE;
if (!self->enc)
return FALSE;
if (gst_omx_component_get_state (self->enc,
GST_CLOCK_TIME_NONE) != OMX_StateLoaded)
return FALSE;
in_port_index = klass->cdata.in_port_index;
out_port_index = klass->cdata.out_port_index;
if (in_port_index == -1 || out_port_index == -1) {
OMX_PORT_PARAM_TYPE param;
OMX_ERRORTYPE err;
GST_OMX_INIT_STRUCT (&param);
err =
gst_omx_component_get_parameter (self->enc, OMX_IndexParamVideoInit,
&param);
if (err != OMX_ErrorNone) {
GST_WARNING_OBJECT (self, "Couldn't get port information: %s (0x%08x)",
gst_omx_error_to_string (err), err);
/* Fallback */
in_port_index = 0;
out_port_index = 1;
} else {
GST_DEBUG_OBJECT (self, "Detected %u ports, starting at %u",
(guint) param.nPorts, (guint) param.nStartPortNumber);
in_port_index = param.nStartPortNumber + 0;
out_port_index = param.nStartPortNumber + 1;
}
}
self->enc_in_port = gst_omx_component_add_port (self->enc, in_port_index);
self->enc_out_port = gst_omx_component_add_port (self->enc, out_port_index);
if (!self->enc_in_port || !self->enc_out_port)
return FALSE;
/* Set properties */
{
OMX_ERRORTYPE err;
if (!gst_omx_video_enc_set_bitrate (self))
return FALSE;
if (self->quant_i_frames != 0xffffffff ||
self->quant_p_frames != 0xffffffff ||
self->quant_b_frames != 0xffffffff) {
OMX_VIDEO_PARAM_QUANTIZATIONTYPE quant_param;
GST_OMX_INIT_STRUCT (&quant_param);
quant_param.nPortIndex = self->enc_out_port->index;
err = gst_omx_component_get_parameter (self->enc,
OMX_IndexParamVideoQuantization, &quant_param);
if (err == OMX_ErrorNone) {
if (self->quant_i_frames != 0xffffffff)
quant_param.nQpI = self->quant_i_frames;
if (self->quant_p_frames != 0xffffffff)
quant_param.nQpP = self->quant_p_frames;
if (self->quant_b_frames != 0xffffffff)
quant_param.nQpB = self->quant_b_frames;
err =
gst_omx_component_set_parameter (self->enc,
OMX_IndexParamVideoQuantization, &quant_param);
if (err == OMX_ErrorUnsupportedIndex) {
GST_WARNING_OBJECT (self,
"Setting quantization parameters not supported by the component");
} else if (err == OMX_ErrorUnsupportedSetting) {
GST_WARNING_OBJECT (self,
"Setting quantization parameters %u %u %u not supported by the component",
self->quant_i_frames, self->quant_p_frames, self->quant_b_frames);
} else if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (self,
"Failed to set quantization parameters: %s (0x%08x)",
gst_omx_error_to_string (err), err);
return FALSE;
}
} else {
GST_ERROR_OBJECT (self,
"Failed to get quantization parameters: %s (0x%08x)",
gst_omx_error_to_string (err), err);
}
}
}
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
if (!set_zynqultrascaleplus_props (self))
return FALSE;
#endif
return TRUE;
}
static gboolean
gst_omx_video_enc_deallocate_in_buffers (GstOMXVideoEnc * self)
{
/* Pool will take care of deallocating buffers when deactivated upstream */
if (!self->in_pool_used
&& gst_omx_port_deallocate_buffers (self->enc_in_port) != OMX_ErrorNone)
return FALSE;
return TRUE;
}
static gboolean
gst_omx_video_enc_shutdown (GstOMXVideoEnc * self)
{
OMX_STATETYPE state;
GST_DEBUG_OBJECT (self, "Shutting down encoder");
state = gst_omx_component_get_state (self->enc, 0);
if (state > OMX_StateLoaded || state == OMX_StateInvalid) {
if (state > OMX_StateIdle) {
gst_omx_component_set_state (self->enc, OMX_StateIdle);
gst_omx_component_get_state (self->enc, 5 * GST_SECOND);
}
gst_omx_component_set_state (self->enc, OMX_StateLoaded);
gst_omx_video_enc_deallocate_in_buffers (self);
gst_omx_port_deallocate_buffers (self->enc_out_port);
if (state > OMX_StateLoaded)
gst_omx_component_get_state (self->enc, 5 * GST_SECOND);
}
return TRUE;
}
static gboolean
gst_omx_video_enc_close (GstVideoEncoder * encoder)
{
GstOMXVideoEnc *self = GST_OMX_VIDEO_ENC (encoder);
GST_DEBUG_OBJECT (self, "Closing encoder");
if (!gst_omx_video_enc_shutdown (self))
return FALSE;
self->enc_in_port = NULL;
self->enc_out_port = NULL;
if (self->enc)
gst_omx_component_unref (self->enc);
self->enc = NULL;
self->started = FALSE;
return TRUE;
}
static void
gst_omx_video_enc_finalize (GObject * object)
{
GstOMXVideoEnc *self = GST_OMX_VIDEO_ENC (object);
g_mutex_clear (&self->drain_lock);
g_cond_clear (&self->drain_cond);
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
g_clear_pointer (&self->alg_roi_quality_enum_class, g_type_class_unref);
#endif
G_OBJECT_CLASS (gst_omx_video_enc_parent_class)->finalize (object);
}
static void
gst_omx_video_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstOMXVideoEnc *self = GST_OMX_VIDEO_ENC (object);
switch (prop_id) {
case PROP_CONTROL_RATE:
self->control_rate = g_value_get_enum (value);
break;
case PROP_TARGET_BITRATE:
GST_OBJECT_LOCK (self);
self->target_bitrate = g_value_get_uint (value);
if (self->enc) {
OMX_VIDEO_CONFIG_BITRATETYPE config;
OMX_ERRORTYPE err;
GST_OMX_INIT_STRUCT (&config);
config.nPortIndex = self->enc_out_port->index;
config.nEncodeBitrate = self->target_bitrate;
err =
gst_omx_component_set_config (self->enc,
OMX_IndexConfigVideoBitrate, &config);
if (err != OMX_ErrorNone)
GST_ERROR_OBJECT (self,
"Failed to set bitrate parameter: %s (0x%08x)",
gst_omx_error_to_string (err), err);
}
GST_OBJECT_UNLOCK (self);
break;
case PROP_QUANT_I_FRAMES:
self->quant_i_frames = g_value_get_uint (value);
break;
case PROP_QUANT_P_FRAMES:
self->quant_p_frames = g_value_get_uint (value);
break;
case PROP_QUANT_B_FRAMES:
self->quant_b_frames = g_value_get_uint (value);
break;
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
case PROP_QP_MODE:
self->qp_mode = g_value_get_enum (value);
break;
case PROP_MIN_QP:
self->min_qp = g_value_get_uint (value);
break;
case PROP_MAX_QP:
self->max_qp = g_value_get_uint (value);
break;
case PROP_GOP_MODE:
self->gop_mode = g_value_get_enum (value);
break;
case PROP_GDR_MODE:
self->gdr_mode = g_value_get_enum (value);
break;
case PROP_INITIAL_DELAY:
self->initial_delay = g_value_get_uint (value);
break;
case PROP_CPB_SIZE:
self->cpb_size = g_value_get_uint (value);
break;
case PROP_SCALING_LIST:
self->scaling_list = g_value_get_enum (value);
break;
case PROP_LOW_BANDWIDTH:
self->low_bandwidth = g_value_get_boolean (value);
break;
case PROP_MAX_BITRATE:
self->max_bitrate = g_value_get_uint (value);
break;
case PROP_ASPECT_RATIO:
self->aspect_ratio = g_value_get_enum (value);
break;
case PROP_FILLER_DATA:
self->filler_data = g_value_get_boolean (value);
break;
case PROP_NUM_SLICES:
self->num_slices = g_value_get_uint (value);
break;
case PROP_SLICE_SIZE:
self->slice_size = g_value_get_uint (value);
break;
case PROP_DEPENDENT_SLICE:
self->dependent_slice = g_value_get_boolean (value);
break;
case PROP_DEFAULT_ROI_QUALITY:
self->default_roi_quality = g_value_get_enum (value);
break;
case PROP_LONGTERM_REF:
self->long_term_ref = g_value_get_boolean (value);
break;
case PROP_LONGTERM_FREQUENCY:
self->long_term_freq = g_value_get_uint (value);
break;
case PROP_LOOK_AHEAD:
self->look_ahead = g_value_get_uint (value);
break;
#endif
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_omx_video_enc_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstOMXVideoEnc *self = GST_OMX_VIDEO_ENC (object);
switch (prop_id) {
case PROP_CONTROL_RATE:
g_value_set_enum (value, self->control_rate);
break;
case PROP_TARGET_BITRATE:
GST_OBJECT_LOCK (self);
g_value_set_uint (value, self->target_bitrate);
GST_OBJECT_UNLOCK (self);
break;
case PROP_QUANT_I_FRAMES:
g_value_set_uint (value, self->quant_i_frames);
break;
case PROP_QUANT_P_FRAMES:
g_value_set_uint (value, self->quant_p_frames);
break;
case PROP_QUANT_B_FRAMES:
g_value_set_uint (value, self->quant_b_frames);
break;
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
case PROP_QP_MODE:
g_value_set_enum (value, self->qp_mode);
break;
case PROP_MIN_QP:
g_value_set_uint (value, self->min_qp);
break;
case PROP_MAX_QP:
g_value_set_uint (value, self->max_qp);
break;
case PROP_GOP_MODE:
g_value_set_enum (value, self->gop_mode);
break;
case PROP_GDR_MODE:
g_value_set_enum (value, self->gdr_mode);
break;
case PROP_INITIAL_DELAY:
g_value_set_uint (value, self->initial_delay);
break;
case PROP_CPB_SIZE:
g_value_set_uint (value, self->cpb_size);
break;
case PROP_SCALING_LIST:
g_value_set_enum (value, self->scaling_list);
break;
case PROP_LOW_BANDWIDTH:
g_value_set_boolean (value, self->low_bandwidth);
break;
case PROP_MAX_BITRATE:
g_value_set_uint (value, self->max_bitrate);
break;
case PROP_ASPECT_RATIO:
g_value_set_enum (value, self->aspect_ratio);
break;
case PROP_FILLER_DATA:
g_value_set_boolean (value, self->filler_data);
break;
case PROP_NUM_SLICES:
g_value_set_uint (value, self->num_slices);
break;
case PROP_SLICE_SIZE:
g_value_set_uint (value, self->slice_size);
break;
case PROP_DEPENDENT_SLICE:
g_value_set_boolean (value, self->dependent_slice);
break;
case PROP_DEFAULT_ROI_QUALITY:
g_value_set_enum (value, self->default_roi_quality);
break;
case PROP_LONGTERM_REF:
g_value_set_boolean (value, self->long_term_ref);
break;
case PROP_LONGTERM_FREQUENCY:
g_value_set_uint (value, self->long_term_freq);
break;
case PROP_LOOK_AHEAD:
g_value_set_uint (value, self->look_ahead);
break;
#endif
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstStateChangeReturn
gst_omx_video_enc_change_state (GstElement * element, GstStateChange transition)
{
GstOMXVideoEnc *self;
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
g_return_val_if_fail (GST_IS_OMX_VIDEO_ENC (element),
GST_STATE_CHANGE_FAILURE);
self = GST_OMX_VIDEO_ENC (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
self->downstream_flow_ret = GST_FLOW_OK;
self->draining = FALSE;
self->started = FALSE;
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
if (self->enc_in_port)
gst_omx_port_set_flushing (self->enc_in_port, 5 * GST_SECOND, TRUE);
if (self->enc_out_port)
gst_omx_port_set_flushing (self->enc_out_port, 5 * GST_SECOND, TRUE);
g_mutex_lock (&self->drain_lock);
self->draining = FALSE;
g_cond_broadcast (&self->drain_cond);
g_mutex_unlock (&self->drain_lock);
break;
default:
break;
}
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
ret =
GST_ELEMENT_CLASS (gst_omx_video_enc_parent_class)->change_state (element,
transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
self->downstream_flow_ret = GST_FLOW_FLUSHING;
self->started = FALSE;
break;
case GST_STATE_CHANGE_READY_TO_NULL:
break;
default:
break;
}
return ret;
}
static gboolean
get_chroma_info_from_input (GstOMXVideoEnc * self, const gchar ** chroma_format,
guint * bit_depth_luma, guint * bit_depth_chroma)
{
switch (self->input_state->info.finfo->format) {
case GST_VIDEO_FORMAT_GRAY8:
*chroma_format = "4:0:0";
*bit_depth_luma = 8;
*bit_depth_chroma = 0;
break;
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_NV12:
*chroma_format = "4:2:0";
*bit_depth_luma = *bit_depth_chroma = 8;
break;
case GST_VIDEO_FORMAT_NV16:
case GST_VIDEO_FORMAT_YUY2:
case GST_VIDEO_FORMAT_YVYU:
case GST_VIDEO_FORMAT_UYVY:
*chroma_format = "4:2:2";
*bit_depth_luma = *bit_depth_chroma = 8;
break;
case GST_VIDEO_FORMAT_GRAY10_LE32:
*chroma_format = "4:0:0";
*bit_depth_luma = 10;
*bit_depth_chroma = 0;
break;
case GST_VIDEO_FORMAT_NV12_10LE32:
*chroma_format = "4:2:0";
*bit_depth_luma = *bit_depth_chroma = 10;
break;
case GST_VIDEO_FORMAT_NV16_10LE32:
*chroma_format = "4:2:2";
*bit_depth_luma = *bit_depth_chroma = 10;
break;
default:
return FALSE;
}
return TRUE;
}
static GstCaps *
get_output_caps (GstOMXVideoEnc * self)
{
GstOMXVideoEncClass *klass = GST_OMX_VIDEO_ENC_GET_CLASS (self);
GstCaps *caps;
const gchar *chroma_format;
guint bit_depth_luma, bit_depth_chroma;
caps = klass->get_caps (self, self->enc_out_port, self->input_state);
/* Add chroma info about the encoded stream inferred from the format of the input */
if (get_chroma_info_from_input (self, &chroma_format, &bit_depth_luma,
&bit_depth_chroma)) {
GST_DEBUG_OBJECT (self,
"adding chroma info to output caps: %s (luma %d bits) (chroma %d bits)",
chroma_format, bit_depth_luma, bit_depth_chroma);
gst_caps_set_simple (caps, "chroma-format", G_TYPE_STRING, chroma_format,
"bit-depth-luma", G_TYPE_UINT, bit_depth_luma,
"bit-depth-chroma", G_TYPE_UINT, bit_depth_chroma, NULL);
}
return caps;
}
static GstFlowReturn
gst_omx_video_enc_handle_output_frame (GstOMXVideoEnc * self, GstOMXPort * port,
GstOMXBuffer * buf, GstVideoCodecFrame * frame)
{
GstOMXVideoEncClass *klass = GST_OMX_VIDEO_ENC_GET_CLASS (self);
GstFlowReturn flow_ret = GST_FLOW_OK;
if ((buf->omx_buf->nFlags & OMX_BUFFERFLAG_CODECCONFIG)
&& buf->omx_buf->nFilledLen > 0) {
GstVideoCodecState *state;
GstBuffer *codec_data;
GstMapInfo map = GST_MAP_INFO_INIT;
GstCaps *caps;
GST_DEBUG_OBJECT (self, "Handling codec data");
caps = get_output_caps (self);
codec_data = gst_buffer_new_and_alloc (buf->omx_buf->nFilledLen);
gst_buffer_map (codec_data, &map, GST_MAP_WRITE);
memcpy (map.data,
buf->omx_buf->pBuffer + buf->omx_buf->nOffset,
buf->omx_buf->nFilledLen);
gst_buffer_unmap (codec_data, &map);
state =
gst_video_encoder_set_output_state (GST_VIDEO_ENCODER (self), caps,
self->input_state);
state->codec_data = codec_data;
gst_video_codec_state_unref (state);
if (!gst_video_encoder_negotiate (GST_VIDEO_ENCODER (self))) {
gst_video_codec_frame_unref (frame);
GST_ERROR_OBJECT (self,
"Downstream element refused to negotiate codec_data in the caps");
return GST_FLOW_NOT_NEGOTIATED;
}
gst_video_codec_frame_unref (frame);
flow_ret = GST_FLOW_OK;
} else if (buf->omx_buf->nFilledLen > 0) {
GstBuffer *outbuf;
GstMapInfo map = GST_MAP_INFO_INIT;
GST_DEBUG_OBJECT (self, "Handling output data");
outbuf = gst_buffer_new_and_alloc (buf->omx_buf->nFilledLen);
gst_buffer_map (outbuf, &map, GST_MAP_WRITE);
memcpy (map.data,
buf->omx_buf->pBuffer + buf->omx_buf->nOffset,
buf->omx_buf->nFilledLen);
gst_buffer_unmap (outbuf, &map);
GST_BUFFER_TIMESTAMP (outbuf) =
gst_util_uint64_scale (GST_OMX_GET_TICKS (buf->omx_buf->nTimeStamp),
GST_SECOND, OMX_TICKS_PER_SECOND);
if (buf->omx_buf->nTickCount != 0)
GST_BUFFER_DURATION (outbuf) =
gst_util_uint64_scale (buf->omx_buf->nTickCount, GST_SECOND,
OMX_TICKS_PER_SECOND);
if ((klass->cdata.hacks & GST_OMX_HACK_SYNCFRAME_FLAG_NOT_USED)
|| (buf->omx_buf->nFlags & OMX_BUFFERFLAG_SYNCFRAME)) {
if (frame)
GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame);
else
GST_BUFFER_FLAG_UNSET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
} else {
if (frame)
GST_VIDEO_CODEC_FRAME_UNSET_SYNC_POINT (frame);
else
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
}
if (frame) {
frame->output_buffer = outbuf;
if ((buf->omx_buf->nFlags & OMX_BUFFERFLAG_ENDOFFRAME)
|| !gst_omx_port_get_subframe (self->enc_out_port)) {
flow_ret =
gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (self), frame);
if (!(buf->omx_buf->nFlags & OMX_BUFFERFLAG_ENDOFFRAME))
GST_WARNING_OBJECT (self,
"OMX_BUFFERFLAG_ENDOFFRAME is missing in flags 0x%x",
(guint) buf->omx_buf->nFlags);
} else {
flow_ret =
gst_video_encoder_finish_subframe (GST_VIDEO_ENCODER (self), frame);
gst_video_codec_frame_unref (frame);
}
} else {
GST_ERROR_OBJECT (self, "No corresponding frame found");
flow_ret = gst_pad_push (GST_VIDEO_ENCODER_SRC_PAD (self), outbuf);
}
} else if (frame != NULL) {
/* Just ignore empty buffers, don't drop a frame for that */
flow_ret = GST_FLOW_OK;
gst_video_codec_frame_unref (frame);
}
return flow_ret;
}
static gboolean
gst_omx_video_enc_ensure_nb_out_buffers (GstOMXVideoEnc * self)
{
GstOMXVideoEncClass *klass = GST_OMX_VIDEO_ENC_GET_CLASS (self);
guint extra = 0;
if (!(klass->cdata.hacks & GST_OMX_HACK_ENSURE_BUFFER_COUNT_ACTUAL))
return TRUE;
/* If dowstream tell us how many buffers it needs allocate as many extra buffers so we won't starve
* if it keeps them downstream (like when using dynamic mode). */
if (self->nb_downstream_buffers)
extra = self->nb_downstream_buffers;
if (!gst_omx_port_ensure_buffer_count_actual (self->enc_out_port, extra))
return FALSE;
return TRUE;
}
static gboolean
gst_omx_video_enc_allocate_out_buffers (GstOMXVideoEnc * self)
{
if (gst_omx_port_allocate_buffers (self->enc_out_port) != OMX_ErrorNone)
return FALSE;
return TRUE;
}
static void
gst_omx_video_enc_pause_loop (GstOMXVideoEnc * self, GstFlowReturn flow_ret)
{
g_mutex_lock (&self->drain_lock);
if (self->draining) {
self->draining = FALSE;
g_cond_broadcast (&self->drain_cond);
}
gst_pad_pause_task (GST_VIDEO_ENCODER_SRC_PAD (self));
self->downstream_flow_ret = flow_ret;
self->started = FALSE;
g_mutex_unlock (&self->drain_lock);
}
static void
gst_omx_video_enc_loop (GstOMXVideoEnc * self)
{
GstOMXVideoEncClass *klass;
GstOMXPort *port = self->enc_out_port;
GstOMXBuffer *buf = NULL;
GstVideoCodecFrame *frame;
GstFlowReturn flow_ret = GST_FLOW_OK;
GstOMXAcquireBufferReturn acq_return;
OMX_ERRORTYPE err;
klass = GST_OMX_VIDEO_ENC_GET_CLASS (self);
acq_return = gst_omx_port_acquire_buffer (port, &buf, GST_OMX_WAIT);
if (acq_return == GST_OMX_ACQUIRE_BUFFER_ERROR) {
goto component_error;
} else if (acq_return == GST_OMX_ACQUIRE_BUFFER_FLUSHING) {
goto flushing;
} else if (acq_return == GST_OMX_ACQUIRE_BUFFER_EOS) {
goto eos;
}
if (!gst_pad_has_current_caps (GST_VIDEO_ENCODER_SRC_PAD (self))
|| acq_return == GST_OMX_ACQUIRE_BUFFER_RECONFIGURE) {
GstCaps *caps;
GstVideoCodecState *state;
GST_DEBUG_OBJECT (self, "Port settings have changed, updating caps");
if (acq_return == GST_OMX_ACQUIRE_BUFFER_RECONFIGURE
&& gst_omx_port_is_enabled (port)) {
/* Reallocate all buffers */
err = gst_omx_port_set_enabled (port, FALSE);
if (err != OMX_ErrorNone)
goto reconfigure_error;
err = gst_omx_port_wait_buffers_released (port, 5 * GST_SECOND);
if (err != OMX_ErrorNone)
goto reconfigure_error;
err = gst_omx_port_deallocate_buffers (port);
if (err != OMX_ErrorNone)
goto reconfigure_error;
err = gst_omx_port_wait_enabled (port, 1 * GST_SECOND);
if (err != OMX_ErrorNone)
goto reconfigure_error;
}
GST_VIDEO_ENCODER_STREAM_LOCK (self);
caps = get_output_caps (self);
if (!caps) {
if (buf)
gst_omx_port_release_buffer (self->enc_out_port, buf);
GST_VIDEO_ENCODER_STREAM_UNLOCK (self);
goto caps_failed;
}
GST_DEBUG_OBJECT (self, "Setting output state: %" GST_PTR_FORMAT, caps);
state =
gst_video_encoder_set_output_state (GST_VIDEO_ENCODER (self), caps,
self->input_state);
gst_video_codec_state_unref (state);
if (!gst_video_encoder_negotiate (GST_VIDEO_ENCODER (self))) {
if (buf)
gst_omx_port_release_buffer (self->enc_out_port, buf);
GST_VIDEO_ENCODER_STREAM_UNLOCK (self);
goto caps_failed;
}
GST_VIDEO_ENCODER_STREAM_UNLOCK (self);
if (acq_return == GST_OMX_ACQUIRE_BUFFER_RECONFIGURE) {
if (!gst_omx_video_enc_ensure_nb_out_buffers (self))
goto reconfigure_error;
err = gst_omx_port_set_enabled (port, TRUE);
if (err != OMX_ErrorNone)
goto reconfigure_error;
if (!gst_omx_video_enc_allocate_out_buffers (self))
goto reconfigure_error;
err = gst_omx_port_wait_enabled (port, 5 * GST_SECOND);
if (err != OMX_ErrorNone)
goto reconfigure_error;
err = gst_omx_port_populate (port);
if (err != OMX_ErrorNone)
goto reconfigure_error;
err = gst_omx_port_mark_reconfigured (port);
if (err != OMX_ErrorNone)
goto reconfigure_error;
}
/* Now get a buffer */
if (acq_return != GST_OMX_ACQUIRE_BUFFER_OK) {
return;
}
}
g_assert (acq_return == GST_OMX_ACQUIRE_BUFFER_OK);
/* This prevents a deadlock between the srcpad stream
* lock and the videocodec stream lock, if ::flush()
* is called at the wrong time
*/
if (gst_omx_port_is_flushing (self->enc_out_port)) {
GST_DEBUG_OBJECT (self, "Flushing");
gst_omx_port_release_buffer (self->enc_out_port, buf);
goto flushing;
}
GST_DEBUG_OBJECT (self, "Handling buffer: 0x%08x (%s) %" G_GUINT64_FORMAT,
(guint) buf->omx_buf->nFlags,
gst_omx_buffer_flags_to_string (buf->omx_buf->nFlags),
(guint64) GST_OMX_GET_TICKS (buf->omx_buf->nTimeStamp));
frame = gst_omx_video_find_nearest_frame (GST_ELEMENT_CAST (self), buf,
gst_video_encoder_get_frames (GST_VIDEO_ENCODER (self)));
g_assert (klass->handle_output_frame);
if (frame)
flow_ret =
klass->handle_output_frame (self, self->enc_out_port, buf, frame);
else {
gst_omx_port_release_buffer (self->enc_out_port, buf);
goto flow_error;
}
GST_DEBUG_OBJECT (self, "Finished frame: %s", gst_flow_get_name (flow_ret));
err = gst_omx_port_release_buffer (port, buf);
if (err != OMX_ErrorNone)
goto release_error;
GST_VIDEO_ENCODER_STREAM_LOCK (self);
self->downstream_flow_ret = flow_ret;
GST_VIDEO_ENCODER_STREAM_UNLOCK (self);
GST_DEBUG_OBJECT (self, "Read frame from component");
if (flow_ret != GST_FLOW_OK)
goto flow_error;
return;
component_error:
{
GST_ELEMENT_ERROR (self, LIBRARY, FAILED, (NULL),
("OpenMAX component in error state %s (0x%08x)",
gst_omx_component_get_last_error_string (self->enc),
gst_omx_component_get_last_error (self->enc)));
gst_pad_push_event (GST_VIDEO_ENCODER_SRC_PAD (self), gst_event_new_eos ());
gst_omx_video_enc_pause_loop (self, GST_FLOW_ERROR);
return;
}
flushing:
{
GST_DEBUG_OBJECT (self, "Flushing -- stopping task");
gst_omx_video_enc_pause_loop (self, GST_FLOW_FLUSHING);
return;
}
eos:
{
g_mutex_lock (&self->drain_lock);
if (self->draining) {
GST_DEBUG_OBJECT (self, "Drained");
self->draining = FALSE;
g_cond_broadcast (&self->drain_cond);
flow_ret = GST_FLOW_OK;
gst_pad_pause_task (GST_VIDEO_ENCODER_SRC_PAD (self));
} else {
GST_DEBUG_OBJECT (self, "Component signalled EOS");
flow_ret = GST_FLOW_EOS;
}
g_mutex_unlock (&self->drain_lock);
GST_VIDEO_ENCODER_STREAM_LOCK (self);
self->downstream_flow_ret = flow_ret;
GST_VIDEO_ENCODER_STREAM_UNLOCK (self);
/* Here we fallback and pause the task for the EOS case */
if (flow_ret != GST_FLOW_OK)
goto flow_error;
return;
}
flow_error:
{
if (flow_ret == GST_FLOW_EOS) {
GST_DEBUG_OBJECT (self, "EOS");
gst_pad_push_event (GST_VIDEO_ENCODER_SRC_PAD (self),
gst_event_new_eos ());
} else if (flow_ret < GST_FLOW_EOS) {
GST_ELEMENT_ERROR (self, STREAM, FAILED, ("Internal data stream error."),
("stream stopped, reason %s", gst_flow_get_name (flow_ret)));
gst_pad_push_event (GST_VIDEO_ENCODER_SRC_PAD (self),
gst_event_new_eos ());
} else if (flow_ret == GST_FLOW_FLUSHING) {
GST_DEBUG_OBJECT (self, "Flushing -- stopping task");
}
gst_omx_video_enc_pause_loop (self, flow_ret);
return;
}
reconfigure_error:
{
GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL),
("Unable to reconfigure output port"));
gst_pad_push_event (GST_VIDEO_ENCODER_SRC_PAD (self), gst_event_new_eos ());
gst_omx_video_enc_pause_loop (self, GST_FLOW_NOT_NEGOTIATED);
return;
}
caps_failed:
{
GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL), ("Failed to set caps"));
gst_pad_push_event (GST_VIDEO_ENCODER_SRC_PAD (self), gst_event_new_eos ());
gst_omx_video_enc_pause_loop (self, GST_FLOW_NOT_NEGOTIATED);
return;
}
release_error:
{
GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL),
("Failed to relase output buffer to component: %s (0x%08x)",
gst_omx_error_to_string (err), err));
gst_pad_push_event (GST_VIDEO_ENCODER_SRC_PAD (self), gst_event_new_eos ());
gst_omx_video_enc_pause_loop (self, GST_FLOW_ERROR);
return;
}
}
static gboolean
gst_omx_video_enc_start (GstVideoEncoder * encoder)
{
GstOMXVideoEnc *self;
self = GST_OMX_VIDEO_ENC (encoder);
self->last_upstream_ts = 0;
self->downstream_flow_ret = GST_FLOW_OK;
self->nb_downstream_buffers = 0;
self->in_pool_used = FALSE;
return TRUE;
}
static gboolean
gst_omx_video_enc_stop (GstVideoEncoder * encoder)
{
GstOMXVideoEnc *self;
self = GST_OMX_VIDEO_ENC (encoder);
GST_DEBUG_OBJECT (self, "Stopping encoder");
gst_omx_port_set_flushing (self->enc_in_port, 5 * GST_SECOND, TRUE);
gst_omx_port_set_flushing (self->enc_out_port, 5 * GST_SECOND, TRUE);
gst_pad_stop_task (GST_VIDEO_ENCODER_SRC_PAD (encoder));
if (gst_omx_component_get_state (self->enc, 0) > OMX_StateIdle)
gst_omx_component_set_state (self->enc, OMX_StateIdle);
self->downstream_flow_ret = GST_FLOW_FLUSHING;
self->started = FALSE;
if (self->input_state)
gst_video_codec_state_unref (self->input_state);
self->input_state = NULL;
g_mutex_lock (&self->drain_lock);
self->draining = FALSE;
g_cond_broadcast (&self->drain_cond);
g_mutex_unlock (&self->drain_lock);
self->default_target_bitrate = GST_OMX_PROP_OMX_DEFAULT;
gst_omx_component_get_state (self->enc, 5 * GST_SECOND);
return TRUE;
}
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
static void
gst_omx_video_enc_set_latency (GstOMXVideoEnc * self)
{
GstClockTime latency;
OMX_ALG_PARAM_REPORTED_LATENCY param;
OMX_ERRORTYPE err;
GST_OMX_INIT_STRUCT (&param);
err =
gst_omx_component_get_parameter (self->enc,
(OMX_INDEXTYPE) OMX_ALG_IndexParamReportedLatency, &param);
if (err != OMX_ErrorNone) {
GST_WARNING_OBJECT (self, "Couldn't retrieve latency: %s (0x%08x)",
gst_omx_error_to_string (err), err);
return;
}
GST_DEBUG_OBJECT (self, "retrieved latency of %d ms",
(guint32) param.nLatency);
/* Convert to ns */
latency = param.nLatency * GST_MSECOND;
gst_video_encoder_set_latency (GST_VIDEO_ENCODER (self), latency, latency);
}
#endif
static gboolean
gst_omx_video_enc_disable (GstOMXVideoEnc * self)
{
GstOMXVideoEncClass *klass;
klass = GST_OMX_VIDEO_ENC_GET_CLASS (self);
GST_DEBUG_OBJECT (self, "Need to disable and drain encoder");
gst_omx_video_enc_drain (self);
gst_omx_port_set_flushing (self->enc_out_port, 5 * GST_SECOND, TRUE);
/* Wait until the srcpad loop is finished,
* unlock GST_VIDEO_ENCODER_STREAM_LOCK to prevent deadlocks
* caused by using this lock from inside the loop function */
GST_VIDEO_ENCODER_STREAM_UNLOCK (self);
gst_pad_stop_task (GST_VIDEO_ENCODER_SRC_PAD (self));
GST_VIDEO_ENCODER_STREAM_LOCK (self);
if (klass->cdata.hacks & GST_OMX_HACK_NO_COMPONENT_RECONFIGURE) {
GST_VIDEO_ENCODER_STREAM_UNLOCK (self);
gst_omx_video_enc_stop (GST_VIDEO_ENCODER (self));
gst_omx_video_enc_close (GST_VIDEO_ENCODER (self));
GST_VIDEO_ENCODER_STREAM_LOCK (self);
if (!gst_omx_video_enc_open (GST_VIDEO_ENCODER (self)))
return FALSE;
/* The decoder is returned to initial state */
self->disabled = FALSE;
} else {
/* Disabling at the same time input port and output port is only
* required when a buffer is shared between the ports. This cannot
* be the case for a encoder because its input and output buffers
* are of different nature. So let's disable ports sequencially.
* Starting from IL 1.2.0, this point has been clarified.
* OMX_SendCommand will return an error if the IL client attempts to
* call it when there is already an on-going command being processed.
* The exception is for buffer sharing above and the event
* OMX_EventPortNeedsDisable will be sent to request disabling the
* other port at the same time. */
if (gst_omx_port_set_enabled (self->enc_in_port, FALSE) != OMX_ErrorNone)
return FALSE;
if (gst_omx_port_wait_buffers_released (self->enc_in_port,
5 * GST_SECOND) != OMX_ErrorNone)
return FALSE;
if (!gst_omx_video_enc_deallocate_in_buffers (self))
return FALSE;
if (gst_omx_port_wait_enabled (self->enc_in_port,
1 * GST_SECOND) != OMX_ErrorNone)
return FALSE;
if (gst_omx_port_set_enabled (self->enc_out_port, FALSE) != OMX_ErrorNone)
return FALSE;
if (gst_omx_port_wait_buffers_released (self->enc_out_port,
1 * GST_SECOND) != OMX_ErrorNone)
return FALSE;
if (gst_omx_port_deallocate_buffers (self->enc_out_port) != OMX_ErrorNone)
return FALSE;
if (gst_omx_port_wait_enabled (self->enc_out_port,
1 * GST_SECOND) != OMX_ErrorNone)
return FALSE;
self->disabled = TRUE;
}
GST_DEBUG_OBJECT (self, "Encoder drained and disabled");
return TRUE;
}
static gboolean
gst_omx_video_enc_configure_input_buffer (GstOMXVideoEnc * self,
GstBuffer * input)
{
GstOMXVideoEncClass *klass = GST_OMX_VIDEO_ENC_GET_CLASS (self);
GstVideoInfo *info = &self->input_state->info;
OMX_PARAM_PORTDEFINITIONTYPE port_def;
GstVideoMeta *meta;
guint stride, slice_height;
gst_omx_port_get_port_definition (self->enc_in_port, &port_def);
meta = gst_buffer_get_video_meta (input);
if (meta) {
guint plane_height[GST_VIDEO_MAX_PLANES];
/* Use the stride and slice height of the first plane */
if (!gst_video_meta_get_plane_height (meta, plane_height)) {
GST_WARNING_OBJECT (self, "Failed to retrieve plane height from meta");
slice_height = GST_VIDEO_INFO_FIELD_HEIGHT (info);
} else {
slice_height = plane_height[0];
}
stride = meta->stride[0];
g_assert (stride != 0);
GST_DEBUG_OBJECT (self,
"adjusting stride (%d) and slice-height (%d) using input buffer meta",
stride, slice_height);
} else {
GST_WARNING_OBJECT (self,
"input buffer doesn't provide video meta, can't adjust stride and slice height");
stride = info->stride[0];
slice_height = GST_VIDEO_INFO_FIELD_HEIGHT (info);
}
if (port_def.nBufferAlignment)
port_def.format.video.nStride =
GST_ROUND_UP_N (stride, port_def.nBufferAlignment);
else
port_def.format.video.nStride = GST_ROUND_UP_4 (stride); /* safe (?) default */
if (klass->cdata.hacks & GST_OMX_HACK_HEIGHT_MULTIPLE_16)
port_def.format.video.nSliceHeight = GST_ROUND_UP_16 (slice_height);
else
port_def.format.video.nSliceHeight = slice_height;
switch (port_def.format.video.eColorFormat) {
case OMX_COLOR_FormatYUV420Planar:
case OMX_COLOR_FormatYUV420PackedPlanar:
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
/* Formats defined in extensions have their own enum so disable to -Wswitch warning */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wswitch"
case OMX_ALG_COLOR_FormatYUV420SemiPlanar10bitPacked:
#pragma GCC diagnostic pop
#endif
port_def.nBufferSize =
(port_def.format.video.nStride * port_def.format.video.nFrameHeight) +
2 * ((port_def.format.video.nStride / 2) *
((port_def.format.video.nFrameHeight + 1) / 2));
break;
case OMX_COLOR_FormatYUV420PackedSemiPlanar:
case OMX_COLOR_FormatYUV420SemiPlanar:
port_def.nBufferSize =
(port_def.format.video.nStride * port_def.format.video.nFrameHeight) +
(port_def.format.video.nStride *
((port_def.format.video.nFrameHeight + 1) / 2));
break;
case OMX_COLOR_FormatL8:
port_def.nBufferSize =
port_def.format.video.nStride * port_def.format.video.nFrameHeight;
break;
case OMX_COLOR_FormatYUV422SemiPlanar:
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
/* Formats defined in extensions have their own enum so disable to -Wswitch warning */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wswitch"
case OMX_ALG_COLOR_FormatYUV422SemiPlanar10bitPacked:
#pragma GCC diagnostic pop
#endif
port_def.nBufferSize =
(port_def.format.video.nStride * port_def.format.video.nFrameHeight) +
2 * (port_def.format.video.nStride *
((port_def.format.video.nFrameHeight + 1) / 2));
break;
default:
GST_ERROR_OBJECT (self, "Unsupported port format %x",
port_def.format.video.eColorFormat);
g_assert_not_reached ();
}
GST_DEBUG_OBJECT (self,
"setting input nStride=%d nSliceHeight=%d nBufferSize=%d (nBufferAlignment=%d)",
(guint) port_def.format.video.nStride,
(guint) port_def.format.video.nSliceHeight,
(guint) port_def.nBufferSize, (guint) port_def.nBufferAlignment);
if (gst_omx_port_update_port_definition (self->enc_in_port,
&port_def) != OMX_ErrorNone)
return FALSE;
return TRUE;
}
static gboolean
gst_omx_video_enc_ensure_nb_in_buffers (GstOMXVideoEnc * self)
{
GstOMXVideoEncClass *klass = GST_OMX_VIDEO_ENC_GET_CLASS (self);
if ((klass->cdata.hacks & GST_OMX_HACK_ENSURE_BUFFER_COUNT_ACTUAL)) {
if (!gst_omx_port_ensure_buffer_count_actual (self->enc_in_port, 0))
return FALSE;
}
return TRUE;
}
static gboolean
gst_omx_video_enc_allocate_in_buffers (GstOMXVideoEnc * self)
{
switch (self->input_allocation) {
case GST_OMX_BUFFER_ALLOCATION_ALLOCATE_BUFFER:
if (gst_omx_port_allocate_buffers (self->enc_in_port) != OMX_ErrorNone)
return FALSE;
break;
case GST_OMX_BUFFER_ALLOCATION_USE_BUFFER_DYNAMIC:
if (gst_omx_port_use_dynamic_buffers (self->enc_in_port) != OMX_ErrorNone)
return FALSE;
break;
case GST_OMX_BUFFER_ALLOCATION_USE_BUFFER:
default:
/* Not supported */
g_return_val_if_reached (FALSE);
}
return TRUE;
}
static gboolean
check_input_alignment (GstOMXVideoEnc * self, GstMapInfo * map)
{
OMX_PARAM_PORTDEFINITIONTYPE *port_def = &self->enc_in_port->port_def;
if (map->size != port_def->nBufferSize) {
GST_DEBUG_OBJECT (self,
"input buffer has wrong size/stride (%" G_GSIZE_FORMAT
" expected: %u), can't use dynamic allocation",
map->size, (guint32) port_def->nBufferSize);
return FALSE;
}
if (port_def->nBufferAlignment &&
(GPOINTER_TO_UINT (map->data) & (port_def->nBufferAlignment - 1)) != 0) {
GST_DEBUG_OBJECT (self,
"input buffer is not properly aligned (address: %p alignment: %u bytes), can't use dynamic allocation",
map->data, (guint32) port_def->nBufferAlignment);
return FALSE;
}
return TRUE;
}
/* Check if @inbuf's alignment and stride matches the requirements to use the
* dynamic buffer mode. */
static gboolean
can_use_dynamic_buffer_mode (GstOMXVideoEnc * self, GstBuffer * inbuf)
{
GstMapInfo map;
gboolean result = FALSE;
if (gst_buffer_n_memory (inbuf) > 1) {
GST_DEBUG_OBJECT (self,
"input buffer contains more than one memory, can't use dynamic allocation");
return FALSE;
}
if (!gst_buffer_map (inbuf, &map, GST_MAP_READ)) {
GST_ELEMENT_ERROR (self, STREAM, FORMAT, (NULL),
("failed to map input buffer"));
return FALSE;
}
result = check_input_alignment (self, &map);
gst_buffer_unmap (inbuf, &map);
return result;
}
/* Choose the allocation mode for input buffers depending of what's supported by
* the component and the size/alignment of the input buffer. */
static GstOMXBufferAllocation
gst_omx_video_enc_pick_input_allocation_mode (GstOMXVideoEnc * self,
GstBuffer * inbuf)
{
if (!gst_omx_is_dynamic_allocation_supported ())
return GST_OMX_BUFFER_ALLOCATION_ALLOCATE_BUFFER;
if (can_use_dynamic_buffer_mode (self, inbuf)) {
GST_DEBUG_OBJECT (self,
"input buffer is properly aligned, use dynamic allocation");
return GST_OMX_BUFFER_ALLOCATION_USE_BUFFER_DYNAMIC;
}
GST_DEBUG_OBJECT (self, "let input buffer allocate its buffers");
return GST_OMX_BUFFER_ALLOCATION_ALLOCATE_BUFFER;
}
static gboolean
gst_omx_video_enc_set_to_idle (GstOMXVideoEnc * self)
{
GstOMXVideoEncClass *klass = GST_OMX_VIDEO_ENC_GET_CLASS (self);
gboolean no_disable_outport;
no_disable_outport = klass->cdata.hacks & GST_OMX_HACK_NO_DISABLE_OUTPORT;
if (!no_disable_outport) {
/* Disable output port */
if (gst_omx_port_set_enabled (self->enc_out_port, FALSE) != OMX_ErrorNone)
return FALSE;
if (gst_omx_port_wait_enabled (self->enc_out_port,
1 * GST_SECOND) != OMX_ErrorNone)
return FALSE;
}
if (gst_omx_component_set_state (self->enc, OMX_StateIdle) != OMX_ErrorNone)
return FALSE;
/* Need to allocate buffers to reach Idle state */
if (!gst_omx_video_enc_allocate_in_buffers (self))
return FALSE;
if (no_disable_outport) {
if (!gst_omx_video_enc_allocate_out_buffers (self))
return FALSE;
}
if (gst_omx_component_get_state (self->enc,
GST_CLOCK_TIME_NONE) != OMX_StateIdle)
return FALSE;
return TRUE;
}
static GstOMXBuffer *
get_omx_buf (GstBuffer * buffer)
{
GstMemory *mem;
mem = gst_buffer_peek_memory (buffer, 0);
return gst_omx_memory_get_omx_buf (mem);
}
static gboolean
buffer_is_from_input_pool (GstOMXVideoEnc * self, GstBuffer * buffer)
{
/* Buffer from our input pool will already have a GstOMXBuffer associated
* with our input port. */
GstOMXBuffer *buf;
buf = get_omx_buf (buffer);
if (!buf)
return FALSE;
return buf->port == self->enc_in_port;
}
static gboolean
gst_omx_video_enc_enable (GstOMXVideoEnc * self, GstBuffer * input)
{
GstOMXVideoEncClass *klass;
klass = GST_OMX_VIDEO_ENC_GET_CLASS (self);
/* Is downstream using our buffer pool? */
if (buffer_is_from_input_pool (self, input)) {
self->in_pool_used = TRUE;
}
if (!self->in_pool_used) {
if (!gst_omx_video_enc_configure_input_buffer (self, input))
return FALSE;
self->input_allocation = gst_omx_video_enc_pick_input_allocation_mode (self,
input);
self->input_dmabuf = FALSE;
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
if (gst_is_dmabuf_memory (gst_buffer_peek_memory (input, 0))) {
if (self->input_allocation ==
GST_OMX_BUFFER_ALLOCATION_USE_BUFFER_DYNAMIC) {
GST_DEBUG_OBJECT (self, "Configure encoder input to import dmabuf");
gst_omx_port_set_dmabuf (self->enc_in_port, TRUE);
} else {
GST_DEBUG_OBJECT (self,
"Wrong input allocation mode (%d); dynamic buffers are required to use dmabuf import",
self->input_allocation);
}
self->input_dmabuf = TRUE;
}
#endif
}
GST_DEBUG_OBJECT (self, "Enabling component");
if (!self->in_pool_used) {
if (!gst_omx_video_enc_ensure_nb_in_buffers (self))
return FALSE;
if (!gst_omx_video_enc_ensure_nb_out_buffers (self))
return FALSE;
}
if (self->disabled) {
if (gst_omx_port_set_enabled (self->enc_in_port, TRUE) != OMX_ErrorNone)
return FALSE;
if (!gst_omx_video_enc_allocate_in_buffers (self))
return FALSE;
if ((klass->cdata.hacks & GST_OMX_HACK_NO_DISABLE_OUTPORT)) {
if (gst_omx_port_set_enabled (self->enc_out_port, TRUE) != OMX_ErrorNone)
return FALSE;
if (!gst_omx_video_enc_allocate_out_buffers (self))
return FALSE;
if (gst_omx_port_wait_enabled (self->enc_out_port,
5 * GST_SECOND) != OMX_ErrorNone)
return FALSE;
}
if (gst_omx_port_wait_enabled (self->enc_in_port,
5 * GST_SECOND) != OMX_ErrorNone)
return FALSE;
if (gst_omx_port_mark_reconfigured (self->enc_in_port) != OMX_ErrorNone)
return FALSE;
} else {
/* If the input pool is active we already allocated buffers and set the component to Idle. */
if (!self->in_pool_used) {
if (!gst_omx_video_enc_set_to_idle (self))
return FALSE;
}
if (gst_omx_component_set_state (self->enc,
OMX_StateExecuting) != OMX_ErrorNone)
return FALSE;
if (gst_omx_component_get_state (self->enc,
GST_CLOCK_TIME_NONE) != OMX_StateExecuting)
return FALSE;
}
/* Unset flushing to allow ports to accept data again */
gst_omx_port_set_flushing (self->enc_in_port, 5 * GST_SECOND, FALSE);
gst_omx_port_set_flushing (self->enc_out_port, 5 * GST_SECOND, FALSE);
if (gst_omx_component_get_last_error (self->enc) != OMX_ErrorNone) {
GST_ERROR_OBJECT (self, "Component in error state: %s (0x%08x)",
gst_omx_component_get_last_error_string (self->enc),
gst_omx_component_get_last_error (self->enc));
return FALSE;
}
self->disabled = FALSE;
return TRUE;
}
/* returns TRUE if only the framerate changed and that framerate could be
* updated using OMX_IndexConfigVideoFramerate */
static gboolean
gst_omx_video_enc_framerate_changed (GstOMXVideoEnc * self,
GstVideoCodecState * state)
{
GstVideoInfo prev_info = self->input_state->info;
GstVideoInfo *info = &state->info;
GstOMXVideoEncClass *klass;
klass = GST_OMX_VIDEO_ENC_GET_CLASS (self);
prev_info.fps_n = info->fps_n;
prev_info.fps_d = info->fps_d;
/* if only the framerate changed, try and set the framerate parameter */
if (gst_video_info_is_equal (info, &prev_info)) {
OMX_CONFIG_FRAMERATETYPE config;
OMX_ERRORTYPE err;
GST_DEBUG_OBJECT (self, "Framerate change detected: %d/%d -> %d/%d",
self->input_state->info.fps_n, self->input_state->info.fps_d,
info->fps_n, info->fps_d);
GST_OMX_INIT_STRUCT (&config);
config.nPortIndex = self->enc_in_port->index;
if (klass->cdata.hacks & GST_OMX_HACK_VIDEO_FRAMERATE_INTEGER) {
config.xEncodeFramerate =
info->fps_d ? GST_VIDEO_INFO_FIELD_RATE_N (info) / (info->fps_d) : 0;
} else {
config.xEncodeFramerate = gst_omx_video_calculate_framerate_q16 (info);
}
err = gst_omx_component_set_config (self->enc,
OMX_IndexConfigVideoFramerate, &config);
if (err == OMX_ErrorNone) {
gst_video_codec_state_unref (self->input_state);
self->input_state = gst_video_codec_state_ref (state);
return TRUE;
} else {
GST_WARNING_OBJECT (self,
"Failed to set framerate configuration: %s (0x%08x)",
gst_omx_error_to_string (err), err);
/* if changing the rate dynamically didn't work, keep going with a full
* encoder reset */
}
}
return FALSE;
}
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
static gboolean
gst_omx_video_enc_set_interlacing_parameters (GstOMXVideoEnc * self,
GstVideoInfo * info)
{
OMX_ERRORTYPE err;
OMX_INTERLACEFORMATTYPE interlace_format_param;
GST_OMX_INIT_STRUCT (&interlace_format_param);
interlace_format_param.nPortIndex = self->enc_in_port->index;
err = gst_omx_component_get_parameter (self->enc,
(OMX_INDEXTYPE) OMX_ALG_IndexParamVideoInterlaceFormatCurrent,
&interlace_format_param);
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (self,
"Failed to get interlace format: %s (0x%08x)",
gst_omx_error_to_string (err), err);
return FALSE;
}
if (info->interlace_mode == GST_VIDEO_INTERLACE_MODE_PROGRESSIVE)
interlace_format_param.nFormat = OMX_InterlaceFrameProgressive;
else if (info->interlace_mode == GST_VIDEO_INTERLACE_MODE_ALTERNATE) {
if (GST_VIDEO_INFO_FIELD_ORDER (info) ==
GST_VIDEO_FIELD_ORDER_BOTTOM_FIELD_FIRST)
interlace_format_param.nFormat =
OMX_ALG_InterlaceAlternateBottomFieldFirst;
else if (GST_VIDEO_INFO_FIELD_ORDER (info) ==
GST_VIDEO_FIELD_ORDER_BOTTOM_FIELD_FIRST)
interlace_format_param.nFormat = OMX_ALG_InterlaceAlternateTopFieldFirst;
else {
GST_INFO_OBJECT (self,
"input field-order unspecified, assume top-field-first");
interlace_format_param.nFormat = OMX_ALG_InterlaceAlternateTopFieldFirst;
}
} else {
/* Caps templates should ensure this doesn't happen but just to be safe.. */
GST_ERROR_OBJECT (self, "Video interlacing mode %s not supported",
gst_video_interlace_mode_to_string (info->interlace_mode));
return FALSE;
}
err = gst_omx_component_set_parameter (self->enc,
(OMX_INDEXTYPE) OMX_ALG_IndexParamVideoInterlaceFormatCurrent,
&interlace_format_param);
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (self,
"Failed to set interlacing mode %s (%s) format: %s (0x%08x)",
gst_video_interlace_mode_to_string (info->interlace_mode),
interlace_format_param.nFormat ==
OMX_ALG_InterlaceAlternateTopFieldFirst ? "top-field-first" :
"bottom-field-first", gst_omx_error_to_string (err), err);
return FALSE;
} else {
GST_DEBUG_OBJECT (self,
"Video interlacing mode %s (%s) set on component",
gst_video_interlace_mode_to_string (info->interlace_mode),
interlace_format_param.nFormat ==
OMX_ALG_InterlaceAlternateTopFieldFirst ? "top-field-first" :
"bottom-field-first");
}
return TRUE;
}
#endif // USE_OMX_TARGET_ZYNQ_USCALE_PLUS
static gboolean
gst_omx_video_enc_set_format (GstVideoEncoder * encoder,
GstVideoCodecState * state)
{
GstOMXVideoEnc *self;
GstOMXVideoEncClass *klass;
gboolean needs_disable = FALSE;
OMX_PARAM_PORTDEFINITIONTYPE port_def;
GstVideoInfo *info = &state->info;
GList *negotiation_map = NULL, *l;
GstCaps *caps;
self = GST_OMX_VIDEO_ENC (encoder);
klass = GST_OMX_VIDEO_ENC_GET_CLASS (encoder);
caps = gst_video_info_to_caps (info);
GST_DEBUG_OBJECT (self, "Setting new input format: %" GST_PTR_FORMAT, caps);
gst_caps_unref (caps);
gst_omx_port_get_port_definition (self->enc_in_port, &port_def);
needs_disable =
gst_omx_component_get_state (self->enc,
GST_CLOCK_TIME_NONE) != OMX_StateLoaded;
/* If the component is not in Loaded state and a real format change happens
* we have to disable the port and re-allocate all buffers. If no real
* format change happened we can just exit here.
*/
if (needs_disable) {
if (gst_omx_video_enc_framerate_changed (self, state))
return TRUE;
if (!gst_omx_video_enc_disable (self))
return FALSE;
if (!self->disabled) {
/* The local port_def is now obsolete so get it again. */
gst_omx_port_get_port_definition (self->enc_in_port, &port_def);
}
}
negotiation_map =
gst_omx_video_get_supported_colorformats (self->enc_in_port,
self->input_state);
if (!negotiation_map) {
/* Fallback */
switch (info->finfo->format) {
case GST_VIDEO_FORMAT_I420:
port_def.format.video.eColorFormat = OMX_COLOR_FormatYUV420Planar;
break;
case GST_VIDEO_FORMAT_NV12:
port_def.format.video.eColorFormat = OMX_COLOR_FormatYUV420SemiPlanar;
break;
case GST_VIDEO_FORMAT_NV16:
port_def.format.video.eColorFormat = OMX_COLOR_FormatYUV422SemiPlanar;
break;
case GST_VIDEO_FORMAT_ABGR:
port_def.format.video.eColorFormat = OMX_COLOR_Format32bitARGB8888;
break;
case GST_VIDEO_FORMAT_ARGB:
port_def.format.video.eColorFormat = OMX_COLOR_Format32bitBGRA8888;
break;
default:
GST_ERROR_OBJECT (self, "Unsupported format %s",
gst_video_format_to_string (info->finfo->format));
return FALSE;
break;
}
} else {
for (l = negotiation_map; l; l = l->next) {
GstOMXVideoNegotiationMap *m = l->data;
if (m->format == info->finfo->format) {
port_def.format.video.eColorFormat = m->type;
break;
}
}
g_list_free_full (negotiation_map,
(GDestroyNotify) gst_omx_video_negotiation_map_free);
}
port_def.format.video.nFrameWidth = info->width;
port_def.format.video.nFrameHeight = GST_VIDEO_INFO_FIELD_HEIGHT (info);
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
if (!gst_omx_video_enc_set_interlacing_parameters (self, info))
return FALSE;
#endif
if (G_UNLIKELY (klass->cdata.hacks & GST_OMX_HACK_VIDEO_FRAMERATE_INTEGER)) {
port_def.format.video.xFramerate =
info->fps_d ? GST_VIDEO_INFO_FIELD_RATE_N (info) / (info->fps_d) : 0;
} else {
port_def.format.video.xFramerate =
gst_omx_video_calculate_framerate_q16 (info);
}
GST_DEBUG_OBJECT (self, "Setting inport port definition");
if (gst_omx_port_update_port_definition (self->enc_in_port,
&port_def) != OMX_ErrorNone)
return FALSE;
#ifdef USE_OMX_TARGET_RPI
/* aspect ratio */
{
OMX_ERRORTYPE err;
OMX_CONFIG_POINTTYPE aspect_ratio_param;
GST_OMX_INIT_STRUCT (&aspect_ratio_param);
aspect_ratio_param.nPortIndex = self->enc_out_port->index;
err = gst_omx_component_get_parameter (self->enc,
OMX_IndexParamBrcmPixelAspectRatio, &aspect_ratio_param);
if (err == OMX_ErrorNone) {
aspect_ratio_param.nX = info->par_n;
aspect_ratio_param.nY = info->par_d;
err =
gst_omx_component_set_parameter (self->enc,
OMX_IndexParamBrcmPixelAspectRatio, &aspect_ratio_param);
if (err == OMX_ErrorUnsupportedIndex) {
GST_WARNING_OBJECT (self,
"Setting aspect ratio parameters not supported by the component");
} else if (err == OMX_ErrorUnsupportedSetting) {
GST_WARNING_OBJECT (self,
"Setting aspect ratio %u %u not supported by the component",
aspect_ratio_param.nX, aspect_ratio_param.nY);
} else if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (self,
"Failed to set aspect ratio: %s (0x%08x)",
gst_omx_error_to_string (err), err);
return FALSE;
}
}
}
#endif // USE_OMX_TARGET_RPI
if (klass->set_format) {
if (!klass->set_format (self, self->enc_in_port, state)) {
GST_ERROR_OBJECT (self, "Subclass failed to set the new format");
return FALSE;
}
}
GST_DEBUG_OBJECT (self, "Updating ports definition");
if (gst_omx_port_update_port_definition (self->enc_out_port,
NULL) != OMX_ErrorNone)
return FALSE;
if (gst_omx_port_update_port_definition (self->enc_in_port,
NULL) != OMX_ErrorNone)
return FALSE;
/* Some OMX implementations reset the bitrate after setting the compression
* format, see bgo#698049, so re-set it */
gst_omx_video_enc_set_bitrate (self);
if (self->input_state)
gst_video_codec_state_unref (self->input_state);
self->input_state = gst_video_codec_state_ref (state);
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
gst_omx_video_enc_set_latency (self);
#endif
self->downstream_flow_ret = GST_FLOW_OK;
return TRUE;
}
static gboolean
gst_omx_video_enc_flush (GstVideoEncoder * encoder)
{
GstOMXVideoEnc *self;
self = GST_OMX_VIDEO_ENC (encoder);
GST_DEBUG_OBJECT (self, "Flushing encoder");
if (gst_omx_component_get_state (self->enc, 0) == OMX_StateLoaded)
return TRUE;
/* 0) Pause the components */
if (gst_omx_component_get_state (self->enc, 0) == OMX_StateExecuting) {
gst_omx_component_set_state (self->enc, OMX_StatePause);
gst_omx_component_get_state (self->enc, GST_CLOCK_TIME_NONE);
}
/* 1) Flush the ports */
GST_DEBUG_OBJECT (self, "flushing ports");
gst_omx_port_set_flushing (self->enc_in_port, 5 * GST_SECOND, TRUE);
gst_omx_port_set_flushing (self->enc_out_port, 5 * GST_SECOND, TRUE);
/* Wait until the srcpad loop is finished,
* unlock GST_VIDEO_ENCODER_STREAM_LOCK to prevent deadlocks
* caused by using this lock from inside the loop function */
GST_VIDEO_ENCODER_STREAM_UNLOCK (self);
GST_PAD_STREAM_LOCK (GST_VIDEO_ENCODER_SRC_PAD (self));
GST_PAD_STREAM_UNLOCK (GST_VIDEO_ENCODER_SRC_PAD (self));
GST_VIDEO_ENCODER_STREAM_LOCK (self);
/* 3) Resume components */
gst_omx_component_set_state (self->enc, OMX_StateExecuting);
gst_omx_component_get_state (self->enc, GST_CLOCK_TIME_NONE);
/* 4) Unset flushing to allow ports to accept data again */
gst_omx_port_set_flushing (self->enc_in_port, 5 * GST_SECOND, FALSE);
gst_omx_port_set_flushing (self->enc_out_port, 5 * GST_SECOND, FALSE);
gst_omx_port_populate (self->enc_out_port);
/* Start the srcpad loop again */
self->last_upstream_ts = 0;
self->downstream_flow_ret = GST_FLOW_OK;
self->started = FALSE;
GST_DEBUG_OBJECT (self, "Flush finished");
return TRUE;
}
static gboolean
gst_omx_video_enc_copy_plane (GstOMXVideoEnc * self, guint i,
GstVideoFrame * frame, GstOMXBuffer * outbuf,
const GstVideoFormatInfo * finfo)
{
OMX_PARAM_PORTDEFINITIONTYPE *port_def = &self->enc_in_port->port_def;
guint8 *src, *dest;
gint src_stride, dest_stride;
gint j, height, width;
src_stride = GST_VIDEO_FRAME_COMP_STRIDE (frame, i);
dest_stride = port_def->format.video.nStride;
/* XXX: Try this if no stride was set */
if (dest_stride == 0)
dest_stride = src_stride;
dest = outbuf->omx_buf->pBuffer + outbuf->omx_buf->nOffset;
if (i == 1)
dest +=
port_def->format.video.nSliceHeight * port_def->format.video.nStride;
src = GST_VIDEO_FRAME_COMP_DATA (frame, i);
height = GST_VIDEO_FRAME_COMP_HEIGHT (frame, i);
width = GST_VIDEO_FRAME_COMP_WIDTH (frame, i) * (i == 0 ? 1 : 2);
if (GST_VIDEO_FORMAT_INFO_BITS (finfo) == 10)
/* Need ((width + 2) / 3) 32-bits words */
width = (width + 2) / 3 * 4;
if (dest + dest_stride * height >
outbuf->omx_buf->pBuffer + outbuf->omx_buf->nAllocLen) {
GST_ERROR_OBJECT (self, "Invalid output buffer size");
return FALSE;
}
for (j = 0; j < height; j++) {
memcpy (dest, src, width);
src += src_stride;
dest += dest_stride;
}
/* nFilledLen should include the vertical padding in each slice (spec 3.1.3.7.1) */
outbuf->omx_buf->nFilledLen +=
GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (finfo, i,
port_def->format.video.nSliceHeight) * port_def->format.video.nStride;
return TRUE;
}
static gboolean
gst_omx_video_enc_semi_planar_manual_copy (GstOMXVideoEnc * self,
GstBuffer * inbuf, GstOMXBuffer * outbuf, const GstVideoFormatInfo * finfo)
{
GstVideoInfo *info = &self->input_state->info;
GstVideoFrame frame;
gint i;
outbuf->omx_buf->nFilledLen = 0;
if (!gst_video_frame_map (&frame, info, inbuf, GST_MAP_READ)) {
GST_ERROR_OBJECT (self, "Invalid input buffer size");
return FALSE;
}
for (i = 0; i < 2; i++) {
if (!gst_omx_video_enc_copy_plane (self, i, &frame, outbuf, finfo)) {
gst_video_frame_unmap (&frame);
return FALSE;
}
}
gst_video_frame_unmap (&frame);
return TRUE;
}
static gboolean
gst_omx_video_enc_fill_buffer (GstOMXVideoEnc * self, GstBuffer * inbuf,
GstOMXBuffer * outbuf)
{
GstVideoCodecState *state = gst_video_codec_state_ref (self->input_state);
GstVideoInfo *info = &state->info;
OMX_PARAM_PORTDEFINITIONTYPE *port_def = &self->enc_in_port->port_def;
gboolean ret = FALSE;
GstVideoFrame frame;
GstVideoMeta *meta = gst_buffer_get_video_meta (inbuf);
gint stride = meta ? meta->stride[0] : info->stride[0];
if (info->width != port_def->format.video.nFrameWidth ||
GST_VIDEO_INFO_FIELD_HEIGHT (info) !=
port_def->format.video.nFrameHeight) {
GST_ERROR_OBJECT (self, "Width or height do not match");
goto done;
}
if (self->enc_in_port->allocation ==
GST_OMX_BUFFER_ALLOCATION_USE_BUFFER_DYNAMIC) {
if (gst_buffer_n_memory (inbuf) > 1) {
GST_ELEMENT_ERROR (self, STREAM, FORMAT, (NULL),
("input buffer now has more than one memory, can't use dynamic allocation any more"));
return FALSE;
}
if (!self->input_dmabuf) {
/* Map and keep a ref on the buffer while it's being processed
* by the OMX component. */
if (!gst_omx_buffer_map_frame (outbuf, inbuf, info)) {
GST_ELEMENT_ERROR (self, STREAM, FORMAT, (NULL),
("failed to map input buffer"));
return FALSE;
}
if (!check_input_alignment (self, &outbuf->input_frame.map[0])) {
GST_ELEMENT_ERROR (self, STREAM, FORMAT, (NULL),
("input buffer now has wrong alignment/stride, can't use dynamic allocation any more"));
return FALSE;
}
GST_LOG_OBJECT (self, "Transfer buffer of %" G_GSIZE_FORMAT " bytes",
gst_buffer_get_size (inbuf));
} else {
/* dmabuf input */
if (!gst_omx_buffer_import_fd (outbuf, inbuf)) {
GST_ELEMENT_ERROR (self, STREAM, FORMAT, (NULL),
("failed to import dmabuf"));
return FALSE;
}
GST_LOG_OBJECT (self, "Import dmabuf of %" G_GSIZE_FORMAT " bytes",
gst_buffer_get_size (inbuf));
}
ret = TRUE;
goto done;
}
/* Same strides and everything */
if ((gst_buffer_get_size (inbuf) ==
outbuf->omx_buf->nAllocLen - outbuf->omx_buf->nOffset) &&
(stride == port_def->format.video.nStride)) {
outbuf->omx_buf->nFilledLen = gst_buffer_get_size (inbuf);
GST_LOG_OBJECT (self, "Matched strides - direct copy %u bytes",
(guint) outbuf->omx_buf->nFilledLen);
gst_buffer_extract (inbuf, 0,
outbuf->omx_buf->pBuffer + outbuf->omx_buf->nOffset,
outbuf->omx_buf->nFilledLen);
ret = TRUE;
goto done;
}
/* Different strides */
GST_LOG_OBJECT (self, "Mismatched strides - copying line-by-line");
switch (info->finfo->format) {
case GST_VIDEO_FORMAT_I420:{
gint i, j, height, width;
guint8 *src, *dest;
gint src_stride, dest_stride;
outbuf->omx_buf->nFilledLen = 0;
if (!gst_video_frame_map (&frame, info, inbuf, GST_MAP_READ)) {
GST_ERROR_OBJECT (self, "Invalid input buffer size");
ret = FALSE;
goto done;
}
for (i = 0; i < 3; i++) {
if (i == 0) {
dest_stride = port_def->format.video.nStride;
} else {
dest_stride = port_def->format.video.nStride / 2;
}
src_stride = GST_VIDEO_FRAME_COMP_STRIDE (&frame, i);
/* XXX: Try this if no stride was set */
if (dest_stride == 0)
dest_stride = src_stride;
dest = outbuf->omx_buf->pBuffer + outbuf->omx_buf->nOffset;
if (i > 0)
dest +=
port_def->format.video.nSliceHeight *
port_def->format.video.nStride;
if (i == 2)
dest +=
(port_def->format.video.nSliceHeight / 2) *
(port_def->format.video.nStride / 2);
src = GST_VIDEO_FRAME_COMP_DATA (&frame, i);
height = GST_VIDEO_FRAME_COMP_HEIGHT (&frame, i);
width = GST_VIDEO_FRAME_COMP_WIDTH (&frame, i);
if (dest + dest_stride * height >
outbuf->omx_buf->pBuffer + outbuf->omx_buf->nAllocLen) {
gst_video_frame_unmap (&frame);
GST_ERROR_OBJECT (self, "Invalid output buffer size");
ret = FALSE;
goto done;
}
for (j = 0; j < height; j++) {
memcpy (dest, src, width);
src += src_stride;
dest += dest_stride;
}
/* nFilledLen should include the vertical padding in each slice (spec 3.1.3.7.1) */
if (i == 0)
outbuf->omx_buf->nFilledLen +=
port_def->format.video.nSliceHeight *
port_def->format.video.nStride;
else
outbuf->omx_buf->nFilledLen +=
(port_def->format.video.nSliceHeight / 2) *
(port_def->format.video.nStride / 2);
}
gst_video_frame_unmap (&frame);
ret = TRUE;
break;
}
case GST_VIDEO_FORMAT_NV12:
case GST_VIDEO_FORMAT_NV16:
case GST_VIDEO_FORMAT_NV12_10LE32:
case GST_VIDEO_FORMAT_NV16_10LE32:
ret =
gst_omx_video_enc_semi_planar_manual_copy (self, inbuf, outbuf,
info->finfo);
break;
case GST_VIDEO_FORMAT_GRAY8:
{
if (!gst_video_frame_map (&frame, info, inbuf, GST_MAP_READ)) {
GST_ERROR_OBJECT (self, "Failed to map input buffer");
ret = FALSE;
goto done;
}
ret = gst_omx_video_enc_copy_plane (self, 0, &frame, outbuf, info->finfo);
gst_video_frame_unmap (&frame);
}
break;
default:
GST_ERROR_OBJECT (self, "Unsupported format");
goto done;
break;
}
done:
gst_video_codec_state_unref (state);
return ret;
}
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
static void
handle_roi_metadata (GstOMXVideoEnc * self, GstBuffer * input)
{
GstMeta *meta;
gpointer state = NULL;
while ((meta =
gst_buffer_iterate_meta_filtered (input, &state,
GST_VIDEO_REGION_OF_INTEREST_META_API_TYPE))) {
GstVideoRegionOfInterestMeta *roi = (GstVideoRegionOfInterestMeta *) meta;
OMX_ALG_VIDEO_CONFIG_REGION_OF_INTEREST roi_param;
GstStructure *s;
GST_LOG_OBJECT (self, "Input buffer ROI: type=%s id=%d (%d, %d) %dx%d",
g_quark_to_string (roi->roi_type), roi->id, roi->x, roi->y, roi->w,
roi->h);
if (self->qp_mode != ROI_QP) {
GST_WARNING_OBJECT (self,
"Need qp-mode=roi to handle ROI metadata (current: %d); ignoring",
self->qp_mode);
continue;
}
GST_OMX_INIT_STRUCT (&roi_param);
roi_param.nPortIndex = self->enc_in_port->index;
roi_param.nLeft = roi->x;
roi_param.nTop = roi->y;
roi_param.nWidth = roi->w;
roi_param.nHeight = roi->h;
s = gst_video_region_of_interest_meta_get_param (roi, "roi/omx-alg");
if (s) {
const gchar *quality;
GEnumValue *evalue;
quality = gst_structure_get_string (s, "quality");
evalue =
g_enum_get_value_by_nick (self->alg_roi_quality_enum_class, quality);
if (!evalue) {
roi_param.eQuality = self->default_roi_quality;
GST_WARNING_OBJECT (self,
"Unknown ROI encoding quality '%s', use default (%d)",
quality, self->default_roi_quality);
} else {
roi_param.eQuality = evalue->value;
GST_LOG_OBJECT (self, "Use encoding quality '%s' from upstream",
quality);
}
} else {
roi_param.eQuality = self->default_roi_quality;
GST_LOG_OBJECT (self, "No quality specified upstream, use default (%d)",
self->default_roi_quality);
}
gst_omx_component_set_config (self->enc,
(OMX_INDEXTYPE) OMX_ALG_IndexConfigVideoRegionOfInterest, &roi_param);
}
}
#endif
static GstFlowReturn
gst_omx_video_enc_handle_frame (GstVideoEncoder * encoder,
GstVideoCodecFrame * frame)
{
GstOMXAcquireBufferReturn acq_ret = GST_OMX_ACQUIRE_BUFFER_ERROR;
GstOMXVideoEnc *self;
GstOMXPort *port;
GstOMXBuffer *buf;
OMX_ERRORTYPE err;
GstClockTimeDiff deadline;
self = GST_OMX_VIDEO_ENC (encoder);
GST_DEBUG_OBJECT (self, "Handling frame");
if (self->downstream_flow_ret != GST_FLOW_OK) {
gst_video_codec_frame_unref (frame);
return self->downstream_flow_ret;
}
deadline = gst_video_encoder_get_max_encode_time (encoder, frame);
if (deadline < 0) {
GST_WARNING_OBJECT (self,
"Input frame is too late, dropping (deadline %" GST_TIME_FORMAT ")",
GST_TIME_ARGS (-deadline));
/* Calling finish_frame with frame->output_buffer == NULL will drop it */
return gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (self), frame);
}
if (!self->started) {
if (gst_omx_port_is_flushing (self->enc_out_port)) {
if (!gst_omx_video_enc_enable (self, frame->input_buffer))
goto enable_error;
}
GST_DEBUG_OBJECT (self, "Starting task");
gst_pad_start_task (GST_VIDEO_ENCODER_SRC_PAD (self),
(GstTaskFunction) gst_omx_video_enc_loop, self, NULL);
}
port = self->enc_in_port;
while (acq_ret != GST_OMX_ACQUIRE_BUFFER_OK) {
GstClockTime timestamp, duration;
gboolean fill_buffer = TRUE;
/* Make sure to release the base class stream lock, otherwise
* _loop() can't call _finish_frame() and we might block forever
* because no input buffers are released */
GST_VIDEO_ENCODER_STREAM_UNLOCK (self);
if (buffer_is_from_input_pool (self, frame->input_buffer)) {
/* Receiving a buffer from our input pool */
buf = get_omx_buf (frame->input_buffer);
GST_LOG_OBJECT (self,
"Input buffer %p already has a OMX buffer associated: %p",
frame->input_buffer, buf);
g_assert (!buf->input_buffer);
/* Prevent the buffer to be released to the pool while it's being
* processed by OMX. The reference will be dropped in EmptyBufferDone() */
buf->input_buffer = gst_buffer_ref (frame->input_buffer);
acq_ret = GST_OMX_ACQUIRE_BUFFER_OK;
fill_buffer = FALSE;
buf->omx_buf->nFilledLen = gst_buffer_get_size (frame->input_buffer);
} else {
acq_ret = gst_omx_port_acquire_buffer (port, &buf, GST_OMX_WAIT);
}
if (acq_ret == GST_OMX_ACQUIRE_BUFFER_ERROR) {
GST_VIDEO_ENCODER_STREAM_LOCK (self);
goto component_error;
} else if (acq_ret == GST_OMX_ACQUIRE_BUFFER_FLUSHING) {
GST_VIDEO_ENCODER_STREAM_LOCK (self);
goto flushing;
} else if (acq_ret == GST_OMX_ACQUIRE_BUFFER_RECONFIGURE) {
/* Reallocate all buffers */
err = gst_omx_port_set_enabled (port, FALSE);
if (err != OMX_ErrorNone) {
GST_VIDEO_ENCODER_STREAM_LOCK (self);
goto reconfigure_error;
}
err = gst_omx_port_wait_buffers_released (port, 5 * GST_SECOND);
if (err != OMX_ErrorNone) {
GST_VIDEO_ENCODER_STREAM_LOCK (self);
goto reconfigure_error;
}
err = gst_omx_port_deallocate_buffers (port);
if (err != OMX_ErrorNone) {
GST_VIDEO_ENCODER_STREAM_LOCK (self);
goto reconfigure_error;
}
err = gst_omx_port_wait_enabled (port, 1 * GST_SECOND);
if (err != OMX_ErrorNone) {
GST_VIDEO_ENCODER_STREAM_LOCK (self);
goto reconfigure_error;
}
if (!gst_omx_video_enc_ensure_nb_in_buffers (self)) {
GST_VIDEO_ENCODER_STREAM_LOCK (self);
goto reconfigure_error;
}
err = gst_omx_port_set_enabled (port, TRUE);
if (err != OMX_ErrorNone) {
GST_VIDEO_ENCODER_STREAM_LOCK (self);
goto reconfigure_error;
}
if (!gst_omx_video_enc_allocate_in_buffers (self)) {
GST_VIDEO_ENCODER_STREAM_LOCK (self);
goto reconfigure_error;
}
err = gst_omx_port_wait_enabled (port, 5 * GST_SECOND);
if (err != OMX_ErrorNone) {
GST_VIDEO_ENCODER_STREAM_LOCK (self);
goto reconfigure_error;
}
err = gst_omx_port_mark_reconfigured (port);
if (err != OMX_ErrorNone) {
GST_VIDEO_ENCODER_STREAM_LOCK (self);
goto reconfigure_error;
}
/* Now get a new buffer and fill it */
GST_VIDEO_ENCODER_STREAM_LOCK (self);
continue;
}
GST_VIDEO_ENCODER_STREAM_LOCK (self);
g_assert (acq_ret == GST_OMX_ACQUIRE_BUFFER_OK && buf != NULL);
if (buf->omx_buf->nAllocLen - buf->omx_buf->nOffset <= 0) {
gst_omx_port_release_buffer (port, buf);
goto full_buffer;
}
if (self->downstream_flow_ret != GST_FLOW_OK) {
gst_omx_port_release_buffer (port, buf);
goto flow_error;
}
/* Now handle the frame */
if (GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME (frame)) {
#ifdef USE_OMX_TARGET_RPI
OMX_CONFIG_BOOLEANTYPE config;
GST_OMX_INIT_STRUCT (&config);
config.bEnabled = OMX_TRUE;
GST_DEBUG_OBJECT (self, "Forcing a keyframe (iframe on the RPi)");
err =
gst_omx_component_set_config (self->enc,
OMX_IndexConfigBrcmVideoRequestIFrame, &config);
#elif defined(USE_OMX_TARGET_ZYNQ_USCALE_PLUS)
OMX_ALG_VIDEO_CONFIG_INSERT config;
GST_OMX_INIT_STRUCT (&config);
config.nPortIndex = self->enc_out_port->index;
GST_DEBUG_OBJECT (self, "Forcing a keyframe");
err = gst_omx_component_set_config (self->enc, (OMX_INDEXTYPE)
OMX_ALG_IndexConfigVideoInsertInstantaneousDecodingRefresh, &config);
#else
OMX_CONFIG_INTRAREFRESHVOPTYPE config;
GST_OMX_INIT_STRUCT (&config);
config.nPortIndex = port->index;
config.IntraRefreshVOP = OMX_TRUE;
GST_DEBUG_OBJECT (self, "Forcing a keyframe");
err =
gst_omx_component_set_config (self->enc,
OMX_IndexConfigVideoIntraVOPRefresh, &config);
#endif
if (err != OMX_ErrorNone)
GST_ERROR_OBJECT (self, "Failed to force a keyframe: %s (0x%08x)",
gst_omx_error_to_string (err), err);
}
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
handle_roi_metadata (self, frame->input_buffer);
#endif
/* Copy the buffer content in chunks of size as requested
* by the port */
if (fill_buffer
&& !gst_omx_video_enc_fill_buffer (self, frame->input_buffer, buf)) {
gst_omx_port_release_buffer (port, buf);
goto buffer_fill_error;
}
timestamp = frame->pts;
if (timestamp != GST_CLOCK_TIME_NONE) {
GST_OMX_SET_TICKS (buf->omx_buf->nTimeStamp,
gst_util_uint64_scale (timestamp, OMX_TICKS_PER_SECOND, GST_SECOND));
self->last_upstream_ts = timestamp;
}
duration = frame->duration;
if (duration != GST_CLOCK_TIME_NONE) {
buf->omx_buf->nTickCount =
gst_util_uint64_scale (duration, OMX_TICKS_PER_SECOND, GST_SECOND);
self->last_upstream_ts += duration;
} else {
buf->omx_buf->nTickCount = 0;
}
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
if (GST_VIDEO_BUFFER_IS_TOP_FIELD (frame->input_buffer))
buf->omx_buf->nFlags |= OMX_ALG_BUFFERFLAG_TOP_FIELD;
else if (GST_VIDEO_BUFFER_IS_BOTTOM_FIELD (frame->input_buffer))
buf->omx_buf->nFlags |= OMX_ALG_BUFFERFLAG_BOT_FIELD;
#endif
self->started = TRUE;
err = gst_omx_port_release_buffer (port, buf);
if (err != OMX_ErrorNone)
goto release_error;
GST_DEBUG_OBJECT (self, "Passed frame to component");
}
gst_video_codec_frame_unref (frame);
return self->downstream_flow_ret;
full_buffer:
{
GST_ELEMENT_ERROR (self, LIBRARY, FAILED, (NULL),
("Got OpenMAX buffer with no free space (%p, %u/%u)", buf,
(guint) buf->omx_buf->nOffset, (guint) buf->omx_buf->nAllocLen));
gst_video_codec_frame_unref (frame);
return GST_FLOW_ERROR;
}
flow_error:
{
gst_video_codec_frame_unref (frame);
return self->downstream_flow_ret;
}
enable_error:
{
/* Report the OMX error, if any */
if (gst_omx_component_get_last_error (self->enc) != OMX_ErrorNone)
GST_ELEMENT_ERROR (self, LIBRARY, FAILED, (NULL),
("Failed to enable OMX encoder: %s (0x%08x)",
gst_omx_component_get_last_error_string (self->enc),
gst_omx_component_get_last_error (self->enc)));
else
GST_ELEMENT_ERROR (self, LIBRARY, FAILED, (NULL),
("Failed to enable OMX encoder"));
gst_video_codec_frame_unref (frame);
return GST_FLOW_ERROR;
}
component_error:
{
GST_ELEMENT_ERROR (self, LIBRARY, FAILED, (NULL),
("OpenMAX component in error state %s (0x%08x)",
gst_omx_component_get_last_error_string (self->enc),
gst_omx_component_get_last_error (self->enc)));
gst_video_codec_frame_unref (frame);
return GST_FLOW_ERROR;
}
flushing:
{
GST_DEBUG_OBJECT (self, "Flushing -- returning FLUSHING");
gst_video_codec_frame_unref (frame);
return GST_FLOW_FLUSHING;
}
reconfigure_error:
{
GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL),
("Unable to reconfigure input port"));
gst_video_codec_frame_unref (frame);
return GST_FLOW_ERROR;
}
buffer_fill_error:
{
GST_ELEMENT_ERROR (self, RESOURCE, WRITE, (NULL),
("Failed to write input into the OpenMAX buffer"));
gst_video_codec_frame_unref (frame);
return GST_FLOW_ERROR;
}
release_error:
{
gst_video_codec_frame_unref (frame);
GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL),
("Failed to relase input buffer to component: %s (0x%08x)",
gst_omx_error_to_string (err), err));
return GST_FLOW_ERROR;
}
}
static GstFlowReturn
gst_omx_video_enc_finish (GstVideoEncoder * encoder)
{
GstOMXVideoEnc *self;
self = GST_OMX_VIDEO_ENC (encoder);
return gst_omx_video_enc_drain (self);
}
static GstFlowReturn
gst_omx_video_enc_drain (GstOMXVideoEnc * self)
{
GstOMXVideoEncClass *klass;
GstOMXBuffer *buf;
GstOMXAcquireBufferReturn acq_ret;
OMX_ERRORTYPE err;
GST_DEBUG_OBJECT (self, "Draining component");
klass = GST_OMX_VIDEO_ENC_GET_CLASS (self);
if (!self->started) {
GST_DEBUG_OBJECT (self, "Component not started yet");
return GST_FLOW_OK;
}
self->started = FALSE;
if ((klass->cdata.hacks & GST_OMX_HACK_NO_EMPTY_EOS_BUFFER)) {
GST_WARNING_OBJECT (self, "Component does not support empty EOS buffers");
return GST_FLOW_OK;
}
/* Make sure to release the base class stream lock, otherwise
* _loop() can't call _finish_frame() and we might block forever
* because no input buffers are released */
GST_VIDEO_ENCODER_STREAM_UNLOCK (self);
/* Send an EOS buffer to the component and let the base
* class drop the EOS event. We will send it later when
* the EOS buffer arrives on the output port. */
acq_ret = gst_omx_port_acquire_buffer (self->enc_in_port, &buf, GST_OMX_WAIT);
if (acq_ret != GST_OMX_ACQUIRE_BUFFER_OK) {
GST_VIDEO_ENCODER_STREAM_LOCK (self);
GST_ERROR_OBJECT (self, "Failed to acquire buffer for draining: %d",
acq_ret);
return GST_FLOW_ERROR;
}
g_mutex_lock (&self->drain_lock);
self->draining = TRUE;
buf->omx_buf->nFilledLen = 0;
GST_OMX_SET_TICKS (buf->omx_buf->nTimeStamp,
gst_util_uint64_scale (self->last_upstream_ts, OMX_TICKS_PER_SECOND,
GST_SECOND));
buf->omx_buf->nTickCount = 0;
buf->omx_buf->nFlags |= OMX_BUFFERFLAG_EOS;
err = gst_omx_port_release_buffer (self->enc_in_port, buf);
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (self, "Failed to drain component: %s (0x%08x)",
gst_omx_error_to_string (err), err);
g_mutex_unlock (&self->drain_lock);
GST_VIDEO_ENCODER_STREAM_LOCK (self);
return GST_FLOW_ERROR;
}
GST_DEBUG_OBJECT (self, "Waiting until component is drained");
g_cond_wait (&self->drain_cond, &self->drain_lock);
GST_DEBUG_OBJECT (self, "Drained component");
g_mutex_unlock (&self->drain_lock);
GST_VIDEO_ENCODER_STREAM_LOCK (self);
self->started = FALSE;
return GST_FLOW_OK;
}
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
static gboolean
pool_request_allocate_cb (GstBufferPool * pool, GstOMXVideoEnc * self)
{
GstStructure *config;
guint min;
gst_omx_port_set_dmabuf (self->enc_in_port, TRUE);
config = gst_buffer_pool_get_config (pool);
if (!gst_buffer_pool_config_get_params (config, NULL, NULL, &min, NULL)) {
gst_structure_free (config);
return FALSE;
}
gst_structure_free (config);
GST_DEBUG_OBJECT (self,
"input pool configured for %d buffers, adjust nBufferCountActual", min);
if (!gst_omx_port_update_buffer_count_actual (self->enc_in_port, min))
return FALSE;
if (!gst_omx_video_enc_set_to_idle (self))
return FALSE;
self->input_allocation = GST_OMX_BUFFER_ALLOCATION_ALLOCATE_BUFFER;
self->input_dmabuf = TRUE;
/* gst_omx_port_acquire_buffer() will fail if the input port is stil flushing
* which will prevent upstream from acquiring buffers. */
gst_omx_port_set_flushing (self->enc_in_port, 5 * GST_SECOND, FALSE);
return TRUE;
}
static GstBufferPool *
create_input_pool (GstOMXVideoEnc * self, GstCaps * caps, guint num_buffers)
{
GstBufferPool *pool;
GstStructure *config;
pool =
gst_omx_buffer_pool_new (GST_ELEMENT_CAST (self), self->enc,
self->enc_in_port, GST_OMX_BUFFER_MODE_DMABUF);
g_signal_connect_object (pool, "allocate",
G_CALLBACK (pool_request_allocate_cb), self, 0);
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set_params (config, caps,
self->enc_in_port->port_def.nBufferSize, num_buffers, 0);
if (!gst_buffer_pool_set_config (pool, config)) {
GST_INFO_OBJECT (self, "Failed to set config on input pool");
gst_object_unref (pool);
return NULL;
}
return pool;
}
#endif
static GstStructure *
get_allocation_video_meta (GstOMXVideoEnc * self, GstVideoInfo * info)
{
GstStructure *result;
GstVideoAlignment align;
gst_omx_video_get_port_padding (self->enc_in_port, info, &align);
result = gst_structure_new_empty ("video-meta");
gst_structure_set (result, "padding-top", G_TYPE_UINT, align.padding_top,
"padding-bottom", G_TYPE_UINT, align.padding_bottom,
"padding-left", G_TYPE_UINT, align.padding_left,
"padding-right", G_TYPE_UINT, align.padding_right, NULL);
GST_LOG_OBJECT (self, "Request buffer layout to producer: %" GST_PTR_FORMAT,
result);
return result;
}
static gboolean
gst_omx_video_enc_propose_allocation (GstVideoEncoder * encoder,
GstQuery * query)
{
GstOMXVideoEnc *self = GST_OMX_VIDEO_ENC (encoder);
guint num_buffers;
GstCaps *caps;
GstVideoInfo info;
GstBufferPool *pool = NULL;
GstStructure *params;
gst_query_parse_allocation (query, &caps, NULL);
if (!caps) {
GST_WARNING_OBJECT (self, "allocation query does not contain caps");
return FALSE;
}
if (!gst_video_info_from_caps (&info, caps)) {
GST_WARNING_OBJECT (self, "Failed to parse caps %" GST_PTR_FORMAT, caps);
return FALSE;
}
params = get_allocation_video_meta (self, &info);
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, params);
gst_structure_free (params);
num_buffers = self->enc_in_port->port_def.nBufferCountMin + 1;
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
/* dmabuf export is currently only supported on Zynqultrascaleplus */
pool = create_input_pool (self, caps, num_buffers);
if (!pool) {
GST_WARNING_OBJECT (self, "Failed to create and configure pool");
return FALSE;
}
#endif
GST_DEBUG_OBJECT (self,
"request at least %d buffers of size %d", num_buffers,
(guint) self->enc_in_port->port_def.nBufferSize);
gst_query_add_allocation_pool (query, pool,
self->enc_in_port->port_def.nBufferSize, num_buffers, 0);
self->in_pool_used = FALSE;
g_clear_object (&pool);
return
GST_VIDEO_ENCODER_CLASS
(gst_omx_video_enc_parent_class)->propose_allocation (encoder, query);
}
static GList *
filter_supported_formats (GList * negotiation_map)
{
GList *cur;
for (cur = negotiation_map; cur != NULL;) {
GstOMXVideoNegotiationMap *nmap = (GstOMXVideoNegotiationMap *) (cur->data);
GList *next;
switch (nmap->format) {
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_NV12:
case GST_VIDEO_FORMAT_NV12_10LE32:
case GST_VIDEO_FORMAT_NV16:
case GST_VIDEO_FORMAT_NV16_10LE32:
case GST_VIDEO_FORMAT_GRAY8:
cur = g_list_next (cur);
continue;
default:
gst_omx_video_negotiation_map_free (nmap);
next = g_list_next (cur);
negotiation_map = g_list_delete_link (negotiation_map, cur);
cur = next;
}
}
return negotiation_map;
}
static GstCaps *
add_interlace_to_caps (GstOMXVideoEnc * self, GstCaps * caps)
{
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
OMX_ERRORTYPE err;
OMX_INTERLACEFORMATTYPE interlace_format_param;
GstCaps *caps_alternate;
if (gst_caps_is_empty (caps))
/* No caps to add to */
return caps;
GST_OMX_INIT_STRUCT (&interlace_format_param);
interlace_format_param.nPortIndex = self->enc_in_port->index;
err = gst_omx_component_get_parameter (self->enc,
OMX_ALG_IndexParamVideoInterlaceFormatSupported, &interlace_format_param);
if (err != OMX_ErrorNone) {
GST_WARNING_OBJECT (self,
"Failed to get OMX_ALG_IndexParamVideoInterlaceFormatSupported %s (0x%08x)",
gst_omx_error_to_string (err), err);
return caps;
}
if (!(interlace_format_param.nFormat &
OMX_ALG_InterlaceAlternateTopFieldFirst)
&& !(interlace_format_param.nFormat &
OMX_ALG_InterlaceAlternateBottomFieldFirst))
return caps;
/* Alternate mode is supported, create an 'alternate' variant of the caps
* with the caps feature. */
caps_alternate = gst_caps_copy (caps);
gst_caps_set_features_simple (caps_alternate,
gst_caps_features_new (GST_CAPS_FEATURE_FORMAT_INTERLACED, NULL));
caps = gst_caps_merge (caps, caps_alternate);
#endif // USE_OMX_TARGET_ZYNQ_USCALE_PLUS
return caps;
}
static GstCaps *
gst_omx_video_enc_getcaps (GstVideoEncoder * encoder, GstCaps * filter)
{
GstOMXVideoEnc *self = GST_OMX_VIDEO_ENC (encoder);
GList *negotiation_map = NULL;
GstCaps *comp_supported_caps;
GstCaps *ret;
if (!self->enc)
return gst_video_encoder_proxy_getcaps (encoder, NULL, filter);
negotiation_map =
gst_omx_video_get_supported_colorformats (self->enc_in_port,
self->input_state);
negotiation_map = filter_supported_formats (negotiation_map);
comp_supported_caps = gst_omx_video_get_caps_for_map (negotiation_map);
g_list_free_full (negotiation_map,
(GDestroyNotify) gst_omx_video_negotiation_map_free);
comp_supported_caps = add_interlace_to_caps (self, comp_supported_caps);
if (!gst_caps_is_empty (comp_supported_caps)) {
ret =
gst_video_encoder_proxy_getcaps (encoder, comp_supported_caps, filter);
gst_caps_unref (comp_supported_caps);
} else {
gst_caps_unref (comp_supported_caps);
ret = gst_video_encoder_proxy_getcaps (encoder, NULL, filter);
}
GST_LOG_OBJECT (encoder, "Supported caps %" GST_PTR_FORMAT, ret);
return ret;
}
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
static gboolean
handle_longterm_event (GstOMXVideoEnc * self, GstEvent * event)
{
OMX_ALG_VIDEO_CONFIG_INSERT longterm;
OMX_ERRORTYPE err;
OMX_INDEXTYPE omx_index_long_term;
GST_OMX_INIT_STRUCT (&longterm);
longterm.nPortIndex = self->enc_in_port->index;
/* If long-term-ref is enabled then "omx-alg/insert-longterm" event
* marks the encoding picture as long term reference picture and
* "omx-alg/use-longterm" event informs the encoder that encoding picture
* should use existing long term picture in the dpb as reference for encoding process */
if (self->long_term_ref) {
if (gst_event_has_name (event, OMX_ALG_GST_EVENT_INSERT_LONGTERM)) {
GST_LOG_OBJECT (self, "received omx-alg/insert-longterm event");
omx_index_long_term =
(OMX_INDEXTYPE) OMX_ALG_IndexConfigVideoInsertLongTerm;
} else {
GST_LOG_OBJECT (self, "received omx-alg/use-longterm event");
omx_index_long_term = (OMX_INDEXTYPE) OMX_ALG_IndexConfigVideoUseLongTerm;
}
err =
gst_omx_component_set_config (self->enc, omx_index_long_term,
&longterm);
if (err != OMX_ErrorNone)
GST_ERROR_OBJECT (self,
"Failed to longterm events: %s (0x%08x)",
gst_omx_error_to_string (err), err);
} else {
GST_WARNING_OBJECT (self,
"LongTerm events are not handled because long_term_ref is disabled");
}
return TRUE;
}
#endif
static gboolean
gst_omx_video_enc_sink_event (GstVideoEncoder * encoder, GstEvent * event)
{
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CUSTOM_DOWNSTREAM:
{
#ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS
GstOMXVideoEnc *self = GST_OMX_VIDEO_ENC (encoder);
if (gst_event_has_name (event, OMX_ALG_GST_EVENT_INSERT_LONGTERM)
|| gst_event_has_name (event, OMX_ALG_GST_EVENT_USE_LONGTERM))
return handle_longterm_event (self, event);
#endif
}
default:
break;
}
return
GST_VIDEO_ENCODER_CLASS (gst_omx_video_enc_parent_class)->sink_event
(encoder, event);
}
static gboolean
gst_omx_video_enc_decide_allocation (GstVideoEncoder * encoder,
GstQuery * query)
{
GstOMXVideoEnc *self = GST_OMX_VIDEO_ENC (encoder);
guint min = 1;
if (!GST_VIDEO_ENCODER_CLASS
(gst_omx_video_enc_parent_class)->decide_allocation (encoder, query))
return FALSE;
if (gst_query_get_n_allocation_pools (query)) {
gst_query_parse_nth_allocation_pool (query, 0, NULL, NULL, &min, NULL);
GST_DEBUG_OBJECT (self,
"Downstream requested %d buffers, adjust number of output buffers accordingly",
min);
} else {
GST_DEBUG_OBJECT (self, "Downstream didn't set any allocation pool info");
}
self->nb_downstream_buffers = min;
return TRUE;
}
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