/* * Copyright (C) 2011, Hewlett-Packard Development Company, L.P. * Author: Sebastian Dröge , 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 #include #include #include #include "gstomxbufferpool.h" #include "gstomxvideo.h" #include "gstomxvideoenc.h" #ifdef USE_OMX_TARGET_RPI #include #include #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); 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, }; /* 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 /* 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)); #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->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_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; #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"); } 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 (¶m); err = gst_omx_component_get_parameter (self->enc, OMX_IndexParamVideoInit, ¶m); 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; #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; #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) { if ((buf->omx_buf->nFlags & OMX_BUFFERFLAG_ENDOFFRAME) || !gst_omx_port_get_subframe (self->enc_out_port)) { frame->output_buffer = outbuf; 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 flags"); } 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 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; err = gst_omx_port_allocate_buffers (port); if (err != OMX_ErrorNone) 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); flow_ret = klass->handle_output_frame (self, self->enc_out_port, buf, frame); 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 (¶m); err = gst_omx_component_get_parameter (self->enc, (OMX_INDEXTYPE) OMX_ALG_IndexParamReportedLatency, ¶m); 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) { /* Use the stride and slice height of the first plane */ stride = meta->stride[0]; g_assert (stride != 0); slice_height = (meta->offset[1] - meta->offset[0]) / stride; 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 = info->height; } 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_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_port_allocate_buffers (self->enc_out_port) != OMX_ErrorNone) 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_port_allocate_buffers (self->enc_out_port) != OMX_ErrorNone) 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_n ? (info->fps_n) / (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; } 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 = info->height; if (G_UNLIKELY (klass->cdata.hacks & GST_OMX_HACK_VIDEO_FRAMERATE_INTEGER)) port_def.format.video.xFramerate = info->fps_n ? (info->fps_n) / (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_semi_planar_manual_copy (GstOMXVideoEnc * self, GstBuffer * inbuf, GstOMXBuffer * outbuf, const GstVideoFormatInfo * finfo) { GstVideoInfo *info = &self->input_state->info; OMX_PARAM_PORTDEFINITIONTYPE *port_def = &self->enc_in_port->port_def; GstVideoFrame frame; 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"); return FALSE; } dest_stride = port_def->format.video.nStride; for (i = 0; i < 2; i++) { 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 == 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"); gst_video_frame_unmap (&frame); 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; } 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 || info->height != 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; 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; } 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_ABGR: //case GST_VIDEO_FORMAT_ARGB: 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 * 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); 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; } 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; }