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gstreamer/ext/svthevcenc/gstsvthevcenc.c
Yeongjin Jeong 663aeb2131 svthevcenc: Add new SVT-HEVC encoder element 
The SVT-HEVC (Scalable Video Technology[0] for HEVC) Encoder is an
open source video coding technology[1] that is highly optimized for
Intel Xeon Scalable processors and Intel Xeon D processors.

[0] https://01.org/svt
[1] https://github.com/OpenVisualCloud/SVT-HEVC
2019-12-20 15:43:55 +00:00

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/* GStreamer H265 encoder plugin
* Copyright (C) 2019 Yeongjin Jeong <yeongjin.jeong@navercorp.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/**
* SECTION:element-svthevcenc
* @title: svthevcenc
*
* This element encodes raw video into H265 compressed data.
*
**/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "gstsvthevcenc.h"
#include <gst/pbutils/pbutils.h>
#include <gst/video/video.h>
#include <gst/video/gstvideometa.h>
#include <gst/video/gstvideopool.h>
#include <gst/base/gstbitreader.h>
#include <gst/codecparsers/gsth265parser.h>
#include <string.h>
#include <stdlib.h>
GST_DEBUG_CATEGORY_STATIC (svthevc_enc_debug);
#define GST_CAT_DEFAULT svthevc_enc_debug
enum
{
PROP_0,
PROP_INSERT_VUI,
PROP_AUD,
PROP_HIERARCHICAL_LEVEL,
PROP_LOOKAHEAD_DISTANCE,
PROP_ENCODER_MODE,
PROP_RC_MODE,
PROP_QP_I,
PROP_QP_MAX,
PROP_QP_MIN,
PROP_SCENE_CHANGE_DETECTION,
PROP_TUNE,
PROP_BASE_LAYER_SWITCH_MODE,
PROP_BITRATE,
PROP_KEY_INT_MAX,
PROP_ENABLE_OPEN_GOP,
PROP_CONFIG_INTERVAL,
PROP_CORES,
PROP_SOCKET,
PROP_TILE_ROW,
PROP_TILE_COL,
PROP_PRED_STRUCTURE,
PROP_VBV_MAX_RATE,
PROP_VBV_BUFFER_SIZE,
};
#define PROP_INSERT_VUI_DEFAULT FALSE
#define PROP_AUD_DEFAULT FALSE
#define PROP_HIERARCHICAL_LEVEL_DEFAULT GST_SVTHEVC_ENC_B_PYRAMID_4LEVEL_HIERARCHY
#define PROP_LOOKAHEAD_DISTANCE_DEFAULT 40
#define PROP_ENCODER_MODE_DEFAULT 7
#define PROP_RC_MODE_DEFAULT GST_SVTHEVC_ENC_RC_CQP
#define PROP_QP_I_DEFAULT 25
#define PROP_QP_MAX_DEFAULT 48
#define PROP_QP_MIN_DEFAULT 10
#define PROP_SCENE_CHANGE_DETECTION_DEFAULT TRUE
#define PROP_TUNE_DEFAULT GST_SVTHEVC_ENC_TUNE_OQ
#define PROP_BASE_LAYER_SWITCH_MODE_DEFAULT GST_SVTHEVC_ENC_BASE_LAYER_MODE_BFRAME
#define PROP_BITRATE_DEFAULT (7 * 1000)
#define PROP_KEY_INT_MAX_DEFAULT -2
#define PROP_ENABLE_OPEN_GOP_DEFAULT TRUE
#define PROP_CONFIG_INTERVAL_DEFAULT 0
#define PROP_CORES_DEFAULT 0
#define PROP_SOCKET_DEFAULT -1
#define PROP_TILE_ROW_DEFAULT 1
#define PROP_TILE_COL_DEFAULT 1
#define PROP_PRED_STRUCTURE_DEFAULT GST_SVTHEVC_ENC_PRED_STRUCT_RANDOM_ACCESS
#define PROP_VBV_MAX_RATE_DEFAULT 0
#define PROP_VBV_BUFFER_SIZE_DEFAULT 0
#define PROFILE_DEFAULT 2
#define LEVEL_DEFAULT 0
#define TIER_DEFAULT 0
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
#define FORMATS "I420, Y42B, Y444, I420_10LE, I422_10LE, Y444_10LE"
#else
#define FORMATS "I420, Y42B, Y444, I420_10BE, I422_10BE, Y444_10BE"
#endif
#define GST_SVTHEVC_ENC_B_PYRAMID_TYPE (gst_svthevc_enc_b_pyramid_get_type())
static GType
gst_svthevc_enc_b_pyramid_get_type (void)
{
static GType b_pyramid_type = 0;
static const GEnumValue b_pyramid_types[] = {
{GST_SVTHEVC_ENC_B_PYRAMID_FLAT, "Flat", "flat"},
{GST_SVTHEVC_ENC_B_PYRAMID_2LEVEL_HIERARCHY, "2-Level Hierarchy",
"2-level-hierarchy"},
{GST_SVTHEVC_ENC_B_PYRAMID_3LEVEL_HIERARCHY, "3-Level Hierarchy",
"3-level-hierarchy"},
{GST_SVTHEVC_ENC_B_PYRAMID_4LEVEL_HIERARCHY, "4-Level Hierarchy",
"4-level-hierarchy"},
{0, NULL, NULL}
};
if (!b_pyramid_type) {
b_pyramid_type =
g_enum_register_static ("GstSvtHevcEncBPyramid", b_pyramid_types);
}
return b_pyramid_type;
}
#define GST_SVTHEVC_ENC_BASE_LAYER_MODE_TYPE (gst_svthevc_enc_base_layer_mode_get_type())
static GType
gst_svthevc_enc_base_layer_mode_get_type (void)
{
static GType base_layer_mode_type = 0;
static const GEnumValue base_layer_mode_types[] = {
{GST_SVTHEVC_ENC_BASE_LAYER_MODE_BFRAME,
"Use B-frames in the base layer pointing to the same past picture",
"B-frame"},
{GST_SVTHEVC_ENC_BASE_LAYER_MODE_PFRAME, "Use P-frames in the base layer",
"P-frame"},
{0, NULL, NULL}
};
if (!base_layer_mode_type) {
base_layer_mode_type =
g_enum_register_static ("GstSvtHevcEncBaseLayerMode",
base_layer_mode_types);
}
return base_layer_mode_type;
}
#define GST_SVTHEVC_ENC_RC_TYPE (gst_svthevc_enc_rc_get_type())
static GType
gst_svthevc_enc_rc_get_type (void)
{
static GType rc_type = 0;
static const GEnumValue rc_types[] = {
{GST_SVTHEVC_ENC_RC_CQP, "Constant QP Control", "cqp"},
{GST_SVTHEVC_ENC_RC_VBR, "Variable Bitrate Contorol", "vbr"},
{0, NULL, NULL}
};
if (!rc_type) {
rc_type = g_enum_register_static ("GstSvtHevcEncRC", rc_types);
}
return rc_type;
}
#define GST_SVTHEVC_ENC_TUNE_TYPE (gst_svthevc_enc_tune_get_type())
static GType
gst_svthevc_enc_tune_get_type (void)
{
static GType tune_type = 0;
static const GEnumValue tune_types[] = {
{GST_SVTHEVC_ENC_TUNE_SQ, "Visually Optimized Mode", "sq"},
{GST_SVTHEVC_ENC_TUNE_OQ, "PSNR/SSIM Optimized Mode", "oq"},
{GST_SVTHEVC_ENC_TUNE_VMAF, "VMAF Optimized Mode", "vmaf"},
{0, NULL, NULL}
};
if (!tune_type) {
tune_type = g_enum_register_static ("GstSvtHevcEncTune", tune_types);
}
return tune_type;
}
#define GST_SVTHEVC_ENC_PRED_STRUCT_TYPE (gst_svthevc_enc_pred_struct_get_type())
static GType
gst_svthevc_enc_pred_struct_get_type (void)
{
static GType pred_struct_type = 0;
static const GEnumValue pred_struct_types[] = {
{GST_SVTHEVC_ENC_PRED_STRUCT_LOW_DELAY_P,
"Low Delay Prediction Structure with P/p pictures", "low-delay-P"},
{GST_SVTHEVC_ENC_PRED_STRUCT_LOW_DELAY_B,
"Low Delay Prediction Structure with B/b pictures", "low-delay-B"},
{GST_SVTHEVC_ENC_PRED_STRUCT_RANDOM_ACCESS,
"Random Access Prediction Structure", "random-access"},
{0, NULL, NULL}
};
if (!pred_struct_type) {
pred_struct_type =
g_enum_register_static ("GstSvtHevcEncPredStruct", pred_struct_types);
}
return pred_struct_type;
}
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw, "
"format = (string) { " FORMATS " }, "
"framerate = (fraction) [0, MAX], "
"width = (int) [ 64, 8192 ], " "height = (int) [ 64, 4320 ]")
);
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-h265, "
"framerate = (fraction) [0/1, MAX], "
"width = (int) [ 64, 8192 ], " "height = (int) [ 64, 4320 ], "
"stream-format = (string) byte-stream, "
"alignment = (string) au, "
"profile = (string) { main, main-10, main-422-10, main-444, main-444-10 }")
);
static void gst_svthevc_enc_finalize (GObject * object);
static gboolean gst_svthevc_enc_start (GstVideoEncoder * encoder);
static gboolean gst_svthevc_enc_stop (GstVideoEncoder * encoder);
static gboolean gst_svthevc_enc_flush (GstVideoEncoder * encoder);
static gboolean gst_svthevc_enc_init_encoder (GstSvtHevcEnc * encoder);
static void gst_svthevc_enc_close_encoder (GstSvtHevcEnc * encoder);
static GstFlowReturn gst_svthevc_enc_finish (GstVideoEncoder * encoder);
static GstFlowReturn gst_svthevc_enc_handle_frame (GstVideoEncoder * encoder,
GstVideoCodecFrame * frame);
static GstFlowReturn gst_svthevc_enc_drain_encoder (GstSvtHevcEnc * encoder,
gboolean send);
static GstFlowReturn gst_svthevc_enc_send_frame (GstSvtHevcEnc * encoder,
GstVideoCodecFrame * frame);
static GstFlowReturn gst_svthevc_enc_receive_frame (GstSvtHevcEnc * encoder,
gboolean * got_packet, gboolean send);
static gboolean gst_svthevc_enc_set_format (GstVideoEncoder * video_enc,
GstVideoCodecState * state);
static gboolean gst_svthevc_enc_propose_allocation (GstVideoEncoder * encoder,
GstQuery * query);
static void gst_svthevc_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_svthevc_enc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
#define gst_svthevc_enc_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstSvtHevcEnc, gst_svthevc_enc, GST_TYPE_VIDEO_ENCODER,
G_IMPLEMENT_INTERFACE (GST_TYPE_PRESET, NULL));
#define MAX_FORMAT_COUNT 6
typedef struct
{
const GstH265Profile gst_profile;
const guint svt_profile;
const GstVideoFormat formats[MAX_FORMAT_COUNT];
} GstSvtHevcEncProfileTable;
static const GstSvtHevcEncProfileTable profile_table[] = {
{GST_H265_PROFILE_MAIN, 1, {GST_VIDEO_FORMAT_I420,}},
{GST_H265_PROFILE_MAIN_444, 4, {GST_VIDEO_FORMAT_I420, GST_VIDEO_FORMAT_Y42B,
GST_VIDEO_FORMAT_Y444,}},
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
{GST_H265_PROFILE_MAIN_10, 2, {GST_VIDEO_FORMAT_I420,
GST_VIDEO_FORMAT_I420_10LE,}},
{GST_H265_PROFILE_MAIN_422_10, 4, {GST_VIDEO_FORMAT_I420,
GST_VIDEO_FORMAT_Y42B, GST_VIDEO_FORMAT_I420_10LE,
GST_VIDEO_FORMAT_I422_10LE,}},
{GST_H265_PROFILE_MAIN_444_10, 4, {GST_VIDEO_FORMAT_I420,
GST_VIDEO_FORMAT_Y42B, GST_VIDEO_FORMAT_Y444,
GST_VIDEO_FORMAT_I420_10LE, GST_VIDEO_FORMAT_I422_10LE,
GST_VIDEO_FORMAT_Y444_10LE}}
#else
{GST_H265_PROFILE_MAIN_10, 2, {GST_VIDEO_FORMAT_I420,
GST_VIDEO_FORMAT_I420_10BE,}},
{GST_H265_PROFILE_MAIN_422_10, 4, {GST_VIDEO_FORMAT_I420,
GST_VIDEO_FORMAT_Y42B, GST_VIDEO_FORMAT_I420_10BE,
GST_VIDEO_FORMAT_I422_10BE,}},
{GST_H265_PROFILE_MAIN_444_10, 4, {GST_VIDEO_FORMAT_I420,
GST_VIDEO_FORMAT_Y42B, GST_VIDEO_FORMAT_Y444,
GST_VIDEO_FORMAT_I420_10BE, GST_VIDEO_FORMAT_I422_10BE,
GST_VIDEO_FORMAT_Y444_10BE}}
#endif
};
static void
set_array_val (GArray * arr, guint index, guint val)
{
if (!arr)
return;
if (index >= arr->len)
g_array_set_size (arr, index + 1);
arr->data[index] = val;
}
static void
get_support_format_from_profile (GArray * formats, const gchar * profile_str)
{
GstH265Profile profile = gst_h265_profile_from_string (profile_str);
guint i, j;
if (!formats)
return;
for (i = 0; i < G_N_ELEMENTS (profile_table); i++) {
if (profile_table[i].gst_profile == profile) {
for (j = 0; j < MAX_FORMAT_COUNT; j++) {
if (profile_table[i].formats[j] > GST_VIDEO_FORMAT_UNKNOWN)
set_array_val (formats, profile_table[i].formats[j], 1);
}
break;
}
}
}
static void
get_compatible_profile_from_format (GArray * profiles,
const GstVideoFormat format)
{
guint i, j;
if (!profiles)
return;
for (i = 0; i < G_N_ELEMENTS (profile_table); i++) {
for (j = 0; j < MAX_FORMAT_COUNT; j++) {
if (profile_table[i].formats[j] == format) {
set_array_val (profiles, profile_table[i].gst_profile, 1);
}
}
}
}
static GstCaps *
gst_svthevc_enc_sink_getcaps (GstVideoEncoder * enc, GstCaps * filter)
{
GstCaps *supported_incaps;
GstCaps *allowed_caps;
GstCaps *filter_caps, *fcaps;
gint i, j, k;
supported_incaps = gst_static_pad_template_get_caps (&sink_factory);
allowed_caps = gst_pad_get_allowed_caps (GST_VIDEO_ENCODER_SRC_PAD (enc));
if (!allowed_caps || gst_caps_is_empty (allowed_caps)
|| gst_caps_is_any (allowed_caps)) {
fcaps = supported_incaps;
goto done;
}
GST_LOG_OBJECT (enc, "template caps %" GST_PTR_FORMAT, supported_incaps);
GST_LOG_OBJECT (enc, "allowed caps %" GST_PTR_FORMAT, allowed_caps);
filter_caps = gst_caps_new_empty ();
for (i = 0; i < gst_caps_get_size (supported_incaps); i++) {
GQuark q_name =
gst_structure_get_name_id (gst_caps_get_structure (supported_incaps,
i));
for (j = 0; j < gst_caps_get_size (allowed_caps); j++) {
const GstStructure *allowed_s = gst_caps_get_structure (allowed_caps, j);
const GValue *val;
GstStructure *s;
s = gst_structure_new_id_empty (q_name);
if ((val = gst_structure_get_value (allowed_s, "width")))
gst_structure_set_value (s, "width", val);
if ((val = gst_structure_get_value (allowed_s, "height")))
gst_structure_set_value (s, "height", val);
if ((val = gst_structure_get_value (allowed_s, "profile"))) {
GArray *formats = g_array_new (FALSE, TRUE, sizeof (guint));
GValue fmts = G_VALUE_INIT;
GValue fmt = G_VALUE_INIT;
guint i;
g_value_init (&fmts, GST_TYPE_LIST);
g_value_init (&fmt, G_TYPE_STRING);
if (G_VALUE_HOLDS_STRING (val)) {
get_support_format_from_profile (formats, g_value_get_string (val));
} else if (GST_VALUE_HOLDS_LIST (val)) {
for (k = 0; k < gst_value_list_get_size (val); k++) {
const GValue *vlist = gst_value_list_get_value (val, k);
if (G_VALUE_HOLDS_STRING (vlist))
get_support_format_from_profile (formats,
g_value_get_string (vlist));
}
}
for (i = 0; i < formats->len; i++) {
if (formats->data[i]) {
g_value_set_string (&fmt,
gst_video_format_to_string ((GstVideoFormat) i));
gst_value_list_append_value (&fmts, &fmt);
}
}
g_array_free (formats, TRUE);
if (gst_value_list_get_size (&fmts) != 0)
gst_structure_take_value (s, "format", &fmts);
else
g_value_unset (&fmts);
g_value_unset (&fmt);
}
filter_caps = gst_caps_merge_structure (filter_caps, s);
}
}
fcaps = gst_caps_intersect (filter_caps, supported_incaps);
gst_caps_unref (filter_caps);
gst_caps_unref (supported_incaps);
if (filter) {
GST_LOG_OBJECT (enc, "intersecting with %" GST_PTR_FORMAT, filter);
filter_caps = gst_caps_intersect (fcaps, filter);
gst_caps_unref (fcaps);
fcaps = filter_caps;
}
done:
if (allowed_caps)
gst_caps_unref (allowed_caps);
GST_LOG_OBJECT (enc, "proxy caps %" GST_PTR_FORMAT, fcaps);
return fcaps;
}
static void
gst_svthevc_enc_class_init (GstSvtHevcEncClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
GstVideoEncoderClass *gstencoder_class;
gobject_class = G_OBJECT_CLASS (klass);
element_class = GST_ELEMENT_CLASS (klass);
gstencoder_class = GST_VIDEO_ENCODER_CLASS (klass);
gobject_class->set_property = gst_svthevc_enc_set_property;
gobject_class->get_property = gst_svthevc_enc_get_property;
gobject_class->finalize = gst_svthevc_enc_finalize;
gstencoder_class->set_format = GST_DEBUG_FUNCPTR (gst_svthevc_enc_set_format);
gstencoder_class->handle_frame =
GST_DEBUG_FUNCPTR (gst_svthevc_enc_handle_frame);
gstencoder_class->start = GST_DEBUG_FUNCPTR (gst_svthevc_enc_start);
gstencoder_class->stop = GST_DEBUG_FUNCPTR (gst_svthevc_enc_stop);
gstencoder_class->flush = GST_DEBUG_FUNCPTR (gst_svthevc_enc_flush);
gstencoder_class->finish = GST_DEBUG_FUNCPTR (gst_svthevc_enc_finish);
gstencoder_class->getcaps = GST_DEBUG_FUNCPTR (gst_svthevc_enc_sink_getcaps);
gstencoder_class->propose_allocation =
GST_DEBUG_FUNCPTR (gst_svthevc_enc_propose_allocation);
g_object_class_install_property (gobject_class, PROP_INSERT_VUI,
g_param_spec_boolean ("insert-vui", "Insert VUI",
"Insert VUI NAL in stream",
PROP_INSERT_VUI_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_AUD,
g_param_spec_boolean ("aud", "AUD",
"Use AU (Access Unit) delimiter", PROP_AUD_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_HIERARCHICAL_LEVEL,
g_param_spec_enum ("b-pyramid", "B Pyramid (Hierarchical Levels)",
"Number of hierarchical layers used to construct GOP",
GST_SVTHEVC_ENC_B_PYRAMID_TYPE, PROP_HIERARCHICAL_LEVEL_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_LOOKAHEAD_DISTANCE,
g_param_spec_uint ("lookahead", "Lookahead Depth",
"Look ahead distance",
0, 250, PROP_LOOKAHEAD_DISTANCE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ENCODER_MODE,
g_param_spec_uint ("speed", "speed (Encoder Mode)",
"Encoding preset [0, 11] (e.g. 0 is the highest quality mode, 11 is the highest), [0, 11] (for >= 4k resolution), [0, 10] (for >= 1080p resolution), [0, 9] (for all resolution)",
0, 11, PROP_ENCODER_MODE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_RC_MODE,
g_param_spec_enum ("rc", "Ratecontrol Mode",
"Bitrate control mode",
GST_SVTHEVC_ENC_RC_TYPE, PROP_RC_MODE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_QP_I,
g_param_spec_uint ("qp-i", "QP I",
"QP value for intra frames in CQP mode",
0, 51, PROP_QP_I_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_QP_MAX,
g_param_spec_uint ("qp-max", "QP Max",
"Maximum QP value allowed for rate control use",
0, 51, PROP_QP_MAX_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_QP_MIN,
g_param_spec_uint ("qp-min", "QP Min",
"Minimum QP value allowed for rate control use",
0, 50, PROP_QP_MIN_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_SCENE_CHANGE_DETECTION,
g_param_spec_boolean ("enable-scd", "Scene Change Detection",
"Use the scene change detection algorithm",
PROP_SCENE_CHANGE_DETECTION_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_TUNE,
g_param_spec_enum ("tune", "Tune",
"Quality tuning mode",
GST_SVTHEVC_ENC_TUNE_TYPE, PROP_TUNE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_DEPRECATED));
g_object_class_install_property (gobject_class, PROP_BASE_LAYER_SWITCH_MODE,
g_param_spec_enum ("baselayer-mode", "Base Layer Switch Mode",
"Random Access Prediction Structure type setting",
GST_SVTHEVC_ENC_BASE_LAYER_MODE_TYPE,
PROP_BASE_LAYER_SWITCH_MODE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_BITRATE,
g_param_spec_uint ("bitrate", "Bitrate",
"Bitrate in kbit/sec",
1, G_MAXINT, PROP_BITRATE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KEY_INT_MAX,
g_param_spec_int ("key-int-max", "Key-frame maximal interval",
"Distance Between Intra Frame inserted: -1=no intra update. -2=auto",
-2, 255, PROP_KEY_INT_MAX_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ENABLE_OPEN_GOP,
g_param_spec_boolean ("enable-open-gop", "Enable Open GOP",
"Allow intra-refresh using the CRA, not IDR",
PROP_ENABLE_OPEN_GOP_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_CONFIG_INTERVAL,
g_param_spec_uint ("config-interval", "VPS SPS PPS Send Interval",
"Send VPS, SPS and PPS Insertion Interval per every few IDR. 0: disabled",
0, UINT_MAX, PROP_CONFIG_INTERVAL_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_CORES,
g_param_spec_uint ("cores", "Number of logical cores",
"Number of logical cores to be used. 0: auto",
0, UINT_MAX, PROP_CORES_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_SOCKET,
g_param_spec_int ("socket", "Target socket",
"Target socket to run on. -1: all available",
-1, 1, PROP_SOCKET_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_TILE_ROW,
g_param_spec_uint ("tile-row", "Tile Row Count",
"Tile count in the Row",
1, 16, PROP_TILE_ROW_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_TILE_COL,
g_param_spec_uint ("tile-col", "Tile Column Count",
"Tile count in the Column",
1, 16, PROP_TILE_COL_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_PRED_STRUCTURE,
g_param_spec_enum ("pred-struct", "Prediction Structure",
"Prediction Structure used to construct GOP",
GST_SVTHEVC_ENC_PRED_STRUCT_TYPE, PROP_PRED_STRUCTURE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_VBV_MAX_RATE,
g_param_spec_uint ("vbv-max-rate", "VBV Maxrate",
"VBV maxrate in kbit/sec for VBR mode",
0, G_MAXINT, PROP_VBV_MAX_RATE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_VBV_BUFFER_SIZE,
g_param_spec_uint ("vbv-buffer-size", "VBV Buffer Size",
"VBV buffer size in kbits for VBR mode",
0, G_MAXINT, PROP_VBV_BUFFER_SIZE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_static_metadata (element_class,
"svthevcenc", "Codec/Encoder/Video",
"Scalable Video Technology for HEVC Encoder (SVT-HEVC Encoder)",
"Yeongjin Jeong <yeongjin.jeong@navercorp.com>");
gst_element_class_add_static_pad_template (element_class, &sink_factory);
gst_element_class_add_static_pad_template (element_class, &src_factory);
}
static void
gst_svthevc_enc_init (GstSvtHevcEnc * encoder)
{
EB_H265_ENC_INPUT *in_data;
encoder->in_buf = g_slice_new0 (EB_BUFFERHEADERTYPE);
in_data = g_slice_new0 (EB_H265_ENC_INPUT);
encoder->in_buf->pBuffer = (unsigned char *) in_data;
encoder->in_buf->nSize = sizeof (*encoder->in_buf);
encoder->in_buf->pAppPrivate = NULL;
encoder->insert_vui = PROP_INSERT_VUI_DEFAULT;
encoder->aud = PROP_AUD_DEFAULT;
encoder->hierarchical_level = PROP_HIERARCHICAL_LEVEL_DEFAULT;
encoder->la_depth = PROP_LOOKAHEAD_DISTANCE_DEFAULT;
encoder->enc_mode = PROP_ENCODER_MODE_DEFAULT;
encoder->rc_mode = PROP_RC_MODE_DEFAULT;
encoder->qp_i = PROP_QP_I_DEFAULT;
encoder->qp_max = PROP_QP_MAX_DEFAULT;
encoder->qp_min = PROP_QP_MIN_DEFAULT;
encoder->scene_change_detection = PROP_SCENE_CHANGE_DETECTION_DEFAULT;
encoder->tune = PROP_TUNE_DEFAULT;
encoder->base_layer_switch_mode = PROP_BASE_LAYER_SWITCH_MODE_DEFAULT;
encoder->bitrate = PROP_BITRATE_DEFAULT;
encoder->keyintmax = PROP_KEY_INT_MAX_DEFAULT;
encoder->enable_open_gop = PROP_ENABLE_OPEN_GOP_DEFAULT;
encoder->config_interval = PROP_CONFIG_INTERVAL_DEFAULT;
encoder->cores = PROP_CORES_DEFAULT;
encoder->socket = PROP_SOCKET_DEFAULT;
encoder->tile_row = PROP_TILE_ROW_DEFAULT;
encoder->tile_col = PROP_TILE_COL_DEFAULT;
encoder->pred_structure = PROP_PRED_STRUCTURE_DEFAULT;
encoder->vbv_maxrate = PROP_VBV_MAX_RATE_DEFAULT;
encoder->vbv_bufsize = PROP_VBV_BUFFER_SIZE_DEFAULT;
encoder->profile = PROFILE_DEFAULT;
encoder->tier = TIER_DEFAULT;
encoder->level = LEVEL_DEFAULT;
encoder->svthevc_version =
g_strdup_printf ("%d.%d.%d", SVT_VERSION_MAJOR, SVT_VERSION_MINOR,
SVT_VERSION_PATCHLEVEL);
encoder->push_header = TRUE;
encoder->first_buffer = TRUE;
encoder->update_latency = TRUE;
encoder->internal_pool = NULL;
encoder->aligned_info = NULL;
GST_PAD_SET_ACCEPT_TEMPLATE (GST_VIDEO_ENCODER_SINK_PAD (encoder));
}
static gboolean
gst_svthevc_enc_start (GstVideoEncoder * encoder)
{
GstSvtHevcEnc *svthevcenc = GST_SVTHEVC_ENC (encoder);
GST_INFO_OBJECT (svthevcenc, "start encoder");
/* make sure that we have enough time for first DTS,
this is probably overkill for most streams */
gst_video_encoder_set_min_pts (encoder, GST_SECOND * 60 * 60 * 1000);
return TRUE;
}
static gboolean
gst_svthevc_enc_stop (GstVideoEncoder * encoder)
{
GstSvtHevcEnc *svthevcenc = GST_SVTHEVC_ENC (encoder);
GST_INFO_OBJECT (encoder, "stop encoder");
/* Always drain SVT-HEVC encoder before releasing SVT-HEVC.
* Otherwise, randomly block happens when releasing SVT-HEVC. */
gst_svthevc_enc_drain_encoder (svthevcenc, FALSE);
gst_svthevc_enc_close_encoder (svthevcenc);
if (svthevcenc->input_state)
gst_video_codec_state_unref (svthevcenc->input_state);
svthevcenc->input_state = NULL;
if (svthevcenc->internal_pool)
gst_object_unref (svthevcenc->internal_pool);
svthevcenc->internal_pool = NULL;
if (svthevcenc->aligned_info)
gst_video_info_free (svthevcenc->aligned_info);
svthevcenc->aligned_info = NULL;
return TRUE;
}
static gboolean
gst_svthevc_enc_flush (GstVideoEncoder * encoder)
{
GstSvtHevcEnc *svthevcenc = GST_SVTHEVC_ENC (encoder);
GST_INFO_OBJECT (encoder, "flushing encoder");
/* Always drain SVT-HEVC encoder before releasing SVT-HEVC.
* Otherwise, randomly block happens when releasing SVT-HEVC. */
gst_svthevc_enc_drain_encoder (svthevcenc, FALSE);
gst_svthevc_enc_close_encoder (svthevcenc);
GST_OBJECT_LOCK (encoder);
if (!gst_svthevc_enc_init_encoder (svthevcenc)) {
GST_OBJECT_UNLOCK (encoder);
return FALSE;
}
GST_OBJECT_UNLOCK (encoder);
return TRUE;
}
static void
gst_svthevc_enc_finalize (GObject * object)
{
GstSvtHevcEnc *encoder = GST_SVTHEVC_ENC (object);
if (encoder->in_buf) {
EB_H265_ENC_INPUT *in_data = (EB_H265_ENC_INPUT *) encoder->in_buf->pBuffer;
if (in_data)
g_slice_free (EB_H265_ENC_INPUT, in_data);
g_slice_free (EB_BUFFERHEADERTYPE, encoder->in_buf);
}
g_free ((gpointer) encoder->svthevc_version);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gint
gst_svthevc_enc_gst_to_svthevc_video_format (GstVideoFormat format,
gint * nplanes)
{
switch (format) {
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
case GST_VIDEO_FORMAT_I420_10LE:
case GST_VIDEO_FORMAT_I420_10BE:
if (nplanes)
*nplanes = 3;
return EB_YUV420;
case GST_VIDEO_FORMAT_Y42B:
case GST_VIDEO_FORMAT_I422_10LE:
case GST_VIDEO_FORMAT_I422_10BE:
if (nplanes)
*nplanes = 3;
return EB_YUV422;
case GST_VIDEO_FORMAT_Y444:
case GST_VIDEO_FORMAT_Y444_10LE:
case GST_VIDEO_FORMAT_Y444_10BE:
if (nplanes)
*nplanes = 3;
return EB_YUV444;
default:
g_return_val_if_reached (GST_VIDEO_FORMAT_UNKNOWN);
}
}
static void
config_enc_params (GstSvtHevcEnc * encoder, EB_H265_ENC_CONFIGURATION * param)
{
GstVideoInfo *info;
info = &encoder->input_state->info;
param->sourceWidth = info->width;
param->sourceHeight = info->height;
if (GST_VIDEO_INFO_COMP_DEPTH (info, 0) == 10) {
GST_DEBUG_OBJECT (encoder, "Encoder 10 bits depth input");
/* Disable Compressed 10-bit format default.
* SVT-HEVC support a compressed 10-bit format allowing the
* software to achieve a higher speed and channel density levels.
* The conversion between the 10-bit I420 and the compressed
* 10-bit format is a lossless operation.
*/
param->compressedTenBitFormat = 0;
param->encoderBitDepth = 10;
}
/* Update param from options */
param->hierarchicalLevels = encoder->hierarchical_level;
param->encMode = encoder->enc_mode;
param->profile = encoder->profile;
param->tier = encoder->tier;
param->level = encoder->level;
param->rateControlMode = encoder->rc_mode;
param->sceneChangeDetection = encoder->scene_change_detection;
param->tune = encoder->tune;
param->latencyMode = 0;
param->baseLayerSwitchMode = encoder->base_layer_switch_mode;
param->qp = encoder->qp_i;
param->accessUnitDelimiter = encoder->aud;
param->targetBitRate = encoder->bitrate * 1000;
param->intraPeriodLength =
encoder->keyintmax > 0 ? encoder->keyintmax - 1 : encoder->keyintmax;
if (info->fps_d == 0 || info->fps_n == 0) {
param->frameRateNumerator = 0;
param->frameRateDenominator = 1;
} else {
param->frameRateNumerator = info->fps_n;
param->frameRateDenominator = info->fps_d;
}
if (param->rateControlMode) {
param->maxQpAllowed = encoder->qp_max;
param->minQpAllowed = encoder->qp_min;
}
if (encoder->enable_open_gop)
param->intraRefreshType = -1;
else
param->intraRefreshType = encoder->config_interval;
param->logicalProcessors = encoder->cores;
param->targetSocket = encoder->socket;
param->tileRowCount = encoder->tile_row;
param->tileColumnCount = encoder->tile_col;
param->predStructure = encoder->pred_structure;
if (encoder->vbv_maxrate)
param->vbvMaxrate = encoder->vbv_maxrate * 1000;
if (encoder->vbv_bufsize)
param->vbvBufsize = encoder->vbv_bufsize * 1000;
/*
* NOTE: codeVpsSpsPps flag allows the VPS, SPS and PPS Insertion and
* sending in first IDR frame. But in the SVT-HEVC specific version,
* If codeVpsSpsPps enabled and using the EbH265EncStreamHeader API
* before receiving encoded packets, It cause bug which encoded packets
* are not output.
*/
if (SVT_CHECK_VERSION (1, 4, 1))
param->codeVpsSpsPps = 1;
else
param->codeVpsSpsPps = 0;
param->codeEosNal = 1;
if (encoder->insert_vui)
param->videoUsabilityInfo = encoder->insert_vui;
if (encoder->la_depth != -1)
param->lookAheadDistance = encoder->la_depth;
param->encoderColorFormat =
gst_svthevc_enc_gst_to_svthevc_video_format (info->finfo->format, NULL);
}
static void
read_in_data (EB_H265_ENC_CONFIGURATION * config,
GstVideoFrame * vframe, EB_BUFFERHEADERTYPE * headerPtr)
{
EB_H265_ENC_INPUT *in_data = (EB_H265_ENC_INPUT *) headerPtr->pBuffer;
in_data->luma = GST_VIDEO_FRAME_PLANE_DATA (vframe, 0);
in_data->cb = GST_VIDEO_FRAME_PLANE_DATA (vframe, 1);
in_data->cr = GST_VIDEO_FRAME_PLANE_DATA (vframe, 2);
in_data->yStride =
GST_VIDEO_FRAME_COMP_STRIDE (vframe,
0) / GST_VIDEO_FRAME_COMP_PSTRIDE (vframe, 0);
in_data->cbStride =
GST_VIDEO_FRAME_COMP_STRIDE (vframe,
1) / GST_VIDEO_FRAME_COMP_PSTRIDE (vframe, 1);
in_data->crStride =
GST_VIDEO_FRAME_COMP_STRIDE (vframe,
2) / GST_VIDEO_FRAME_COMP_PSTRIDE (vframe, 2);
headerPtr->nAllocLen = headerPtr->nFilledLen = GST_VIDEO_FRAME_SIZE (vframe);
}
/*
* gst_svthevc_enc_init_encoder
* @encoder: Encoder which should be initialized.
*
* Initialize svthevc encoder.
*
*/
static gboolean
gst_svthevc_enc_init_encoder (GstSvtHevcEnc * encoder)
{
EB_ERRORTYPE svt_ret;
if (!encoder->input_state) {
GST_DEBUG_OBJECT (encoder, "Have no input state yet");
return FALSE;
}
/* make sure that the encoder is closed */
gst_svthevc_enc_close_encoder (encoder);
encoder->svt_eos_flag = EOS_NOT_REACHED;
/* set up encoder parameters */
svt_ret = EbInitHandle (&encoder->svt_handle, encoder, &encoder->enc_params);
if (svt_ret != EB_ErrorNone) {
GST_DEBUG_OBJECT (encoder, "Error init encoder handle");
goto failed;
}
config_enc_params (encoder, &encoder->enc_params);
svt_ret = EbH265EncSetParameter (encoder->svt_handle, &encoder->enc_params);
if (svt_ret != EB_ErrorNone) {
GST_DEBUG_OBJECT (encoder, "Error setting encoder parameters");
goto failed_init_handle;
}
svt_ret = EbInitEncoder (encoder->svt_handle);
if (svt_ret != EB_ErrorNone) {
GST_DEBUG_OBJECT (encoder, "Error init encoder");
goto failed_init_handle;
}
encoder->push_header = TRUE;
encoder->first_buffer = TRUE;
encoder->update_latency = TRUE;
encoder->reconfig = FALSE;
/* good start, will be corrected if needed */
encoder->dts_offset = 0;
encoder->first_frame = NULL;
return TRUE;
failed_init_handle:
EbDeinitHandle (encoder->svt_handle);
failed:
encoder->svt_handle = NULL;
return FALSE;
}
/* gst_svthevc_enc_close_encoder
* @encoder: Encoder which should close.
*
* Close svthevc encoder.
*/
static void
gst_svthevc_enc_close_encoder (GstSvtHevcEnc * encoder)
{
if (encoder->svt_handle != NULL) {
EbDeinitEncoder (encoder->svt_handle);
EbDeinitHandle (encoder->svt_handle);
encoder->svt_handle = NULL;
}
}
static EB_BUFFERHEADERTYPE *
gst_svthevc_enc_bytestream_to_nal (GstSvtHevcEnc * encoder,
EB_BUFFERHEADERTYPE * input)
{
EB_BUFFERHEADERTYPE *output;
int i, j, zeros;
int offset = 4;
output = g_malloc (sizeof (EB_BUFFERHEADERTYPE));
/* skip access unit delimiter */
if (encoder->aud)
offset += 7;
output->pBuffer = g_malloc (input->nFilledLen - offset);
output->nFilledLen = input->nFilledLen - offset;
zeros = 0;
for (i = offset, j = 0; i < input->nFilledLen; (i++, j++)) {
if (input->pBuffer[i] == 0x00) {
zeros++;
} else if (input->pBuffer[i] == 0x03 && zeros == 2) {
zeros = 0;
j--;
output->nFilledLen--;
continue;
} else {
zeros = 0;
}
output->pBuffer[j] = input->pBuffer[i];
}
return output;
}
static void
svthevc_nal_free (EB_BUFFERHEADERTYPE * nal)
{
g_free (nal->pBuffer);
g_free (nal);
}
static gboolean
gst_svthevc_enc_set_level_tier_and_profile (GstSvtHevcEnc * encoder,
GstCaps * caps)
{
EB_BUFFERHEADERTYPE *headerPtr = NULL, *nal = NULL;
EB_ERRORTYPE svt_ret;
const gchar *level, *tier, *profile;
GstStructure *s;
GstCaps *allowed_caps;
GstStructure *s2;
const gchar *allowed_profile;
GST_DEBUG_OBJECT (encoder, "set profile, level and tier");
svt_ret = EbH265EncStreamHeader (encoder->svt_handle, &headerPtr);
if (svt_ret != EB_ErrorNone) {
GST_ELEMENT_ERROR (encoder, STREAM, ENCODE,
("Encode svthevc header failed."),
("svthevc_encoder_headers return code=%d", svt_ret));
return FALSE;
}
GST_MEMDUMP ("ENCODER_HEADER", headerPtr->pBuffer, headerPtr->nFilledLen);
nal = gst_svthevc_enc_bytestream_to_nal (encoder, headerPtr);
gst_codec_utils_h265_caps_set_level_tier_and_profile (caps,
nal->pBuffer + 6, nal->nFilledLen - 6);
svthevc_nal_free (nal);
s = gst_caps_get_structure (caps, 0);
profile = gst_structure_get_string (s, "profile");
tier = gst_structure_get_string (s, "tier");
level = gst_structure_get_string (s, "level");
GST_DEBUG_OBJECT (encoder, "profile : %s", (profile) ? profile : "---");
GST_DEBUG_OBJECT (encoder, "tier : %s", (tier) ? tier : "---");
GST_DEBUG_OBJECT (encoder, "level : %s", (level) ? level : "---");
/* Relaxing the profile condition since libSvtHevcEnc can generate
* wrong bitstream indication for conformance to profile than requested one.
* See : https://github.com/OpenVisualCloud/SVT-HEVC/pull/320
*/
allowed_caps = gst_pad_get_allowed_caps (GST_VIDEO_ENCODER_SRC_PAD (encoder));
if (allowed_caps == NULL)
goto no_peer;
if (!gst_caps_can_intersect (allowed_caps, caps)) {
GArray *peer_formats = g_array_new (FALSE, TRUE, sizeof (guint));
GArray *enc_formats = g_array_new (FALSE, TRUE, sizeof (guint));
gboolean is_subset = TRUE;
guint i, j;
allowed_caps = gst_caps_make_writable (allowed_caps);
allowed_caps = gst_caps_truncate (allowed_caps);
s2 = gst_caps_get_structure (allowed_caps, 0);
gst_structure_fixate_field_string (s2, "profile", profile);
allowed_profile = gst_structure_get_string (s2, "profile");
get_support_format_from_profile (peer_formats, allowed_profile);
get_support_format_from_profile (enc_formats, profile);
for (i = 0; i < enc_formats->len; i++) {
if (enc_formats->data[i]) {
gboolean is_support = FALSE;
for (j = 0; j < peer_formats->len; j++) {
if (peer_formats->data[j] && (i == j))
is_support = TRUE;
}
if (!is_support) {
is_subset = FALSE;
break;
}
}
}
GST_INFO_OBJECT (encoder, "downstream requested %s profile but "
"encoder will now output %s profile (which is a %s), so relaxing the "
"profile condition for negotiation",
allowed_profile, profile, is_subset ? "subset" : "not subset");
gst_structure_set (s, "profile", G_TYPE_STRING, allowed_profile, NULL);
g_array_free (peer_formats, TRUE);
g_array_free (enc_formats, TRUE);
}
gst_caps_unref (allowed_caps);
no_peer:
return TRUE;
}
static GstBuffer *
gst_svthevc_enc_get_header_buffer (GstSvtHevcEnc * encoder)
{
EB_BUFFERHEADERTYPE *headerPtr = NULL;
EB_ERRORTYPE svt_ret;
GstBuffer *buf;
svt_ret = EbH265EncStreamHeader (encoder->svt_handle, &headerPtr);
if (svt_ret != EB_ErrorNone) {
GST_ELEMENT_ERROR (encoder, STREAM, ENCODE,
("Encode svthevc header failed."),
("svthevc_encoder_headers return code=%d", svt_ret));
return FALSE;
}
buf = gst_buffer_new_allocate (NULL, headerPtr->nFilledLen, NULL);
gst_buffer_fill (buf, 0, headerPtr->pBuffer, headerPtr->nFilledLen);
return buf;
}
/* gst_svthevc_enc_set_src_caps
* Returns: TRUE on success.
*/
static gboolean
gst_svthevc_enc_set_src_caps (GstSvtHevcEnc * encoder, GstCaps * caps)
{
GstCaps *outcaps;
GstStructure *structure;
GstVideoCodecState *state;
GstTagList *tags;
outcaps = gst_caps_new_empty_simple ("video/x-h265");
structure = gst_caps_get_structure (outcaps, 0);
gst_structure_set (structure, "stream-format", G_TYPE_STRING, "byte-stream",
NULL);
gst_structure_set (structure, "alignment", G_TYPE_STRING, "au", NULL);
if (!gst_svthevc_enc_set_level_tier_and_profile (encoder, outcaps)) {
gst_caps_unref (outcaps);
return FALSE;
}
state = gst_video_encoder_set_output_state (GST_VIDEO_ENCODER (encoder),
outcaps, encoder->input_state);
GST_LOG_OBJECT (encoder, "output caps: %" GST_PTR_FORMAT, state->caps);
gst_video_codec_state_unref (state);
tags = gst_tag_list_new_empty ();
gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE, GST_TAG_ENCODER, "svthevc",
GST_TAG_ENCODER_VERSION, encoder->svthevc_version, NULL);
gst_video_encoder_merge_tags (GST_VIDEO_ENCODER (encoder), tags,
GST_TAG_MERGE_REPLACE);
gst_tag_list_unref (tags);
return TRUE;
}
static void
gst_svthevc_enc_set_latency (GstSvtHevcEnc * encoder)
{
GstVideoInfo *info = &encoder->input_state->info;
guint max_delayed_frames;
GstClockTime latency;
if (encoder->first_buffer) {
/* FIXME get a real value from the encoder, this is currently not exposed */
max_delayed_frames = 5;
} else {
GList *frames = gst_video_encoder_get_frames (GST_VIDEO_ENCODER (encoder));
max_delayed_frames = g_list_length (frames);
g_list_free_full (frames, (GDestroyNotify) gst_video_codec_frame_unref);
}
if (info->fps_n) {
latency = gst_util_uint64_scale_ceil (GST_SECOND * info->fps_d,
max_delayed_frames, info->fps_n);
} else {
/* FIXME: Assume 25fps. This is better than reporting no latency at
* all and then later failing in live pipelines
*/
latency = gst_util_uint64_scale_ceil (GST_SECOND * 1,
max_delayed_frames, 25);
}
GST_INFO_OBJECT (encoder,
"Updating latency to %" GST_TIME_FORMAT " (%d frames)",
GST_TIME_ARGS (latency), max_delayed_frames);
gst_video_encoder_set_latency (GST_VIDEO_ENCODER (encoder), latency, latency);
}
static const guint
gst_svthevc_enc_profile_from_gst (const GstH265Profile profile)
{
gint i;
for (i = 0; i < G_N_ELEMENTS (profile_table); i++) {
if (profile == profile_table[i].gst_profile)
return profile_table[i].svt_profile;
}
GST_WARNING ("Unsupported profile string '%s'",
gst_h265_profile_to_string (profile));
return 0;
}
static guint
gst_svthevc_enc_level_from_gst (const gchar * level)
{
if (g_str_equal (level, "1"))
return 10;
else if (g_str_equal (level, "2"))
return 20;
else if (g_str_equal (level, "2.1"))
return 21;
else if (g_str_equal (level, "3"))
return 30;
else if (g_str_equal (level, "3.1"))
return 31;
else if (g_str_equal (level, "4"))
return 40;
else if (g_str_equal (level, "4.1"))
return 41;
else if (g_str_equal (level, "5"))
return 50;
else if (g_str_equal (level, "5.1"))
return 51;
else if (g_str_equal (level, "5.2"))
return 52;
else if (g_str_equal (level, "6"))
return 60;
else if (g_str_equal (level, "6.1"))
return 61;
else if (g_str_equal (level, "6.2"))
return 62;
GST_WARNING ("Unsupported level string '%s'", level);
return LEVEL_DEFAULT;
}
static guint
gst_svthevc_enc_tier_from_gst (const gchar * level)
{
if (g_str_equal (level, "main"))
return 0;
else if (g_str_equal (level, "high"))
return 1;
GST_WARNING ("Unsupported tier string '%s'", level);
return TIER_DEFAULT;
}
static gboolean
gst_svthevc_enc_set_format (GstVideoEncoder * video_enc,
GstVideoCodecState * state)
{
GstSvtHevcEnc *encoder = GST_SVTHEVC_ENC (video_enc);
GstVideoInfo *info = &state->info;
GstCaps *template_caps;
GstCaps *allowed_caps;
/* If the encoder is initialized, do not reinitialize it again if not
* necessary */
if (encoder->svt_handle) {
GstVideoInfo *old = &encoder->input_state->info;
if (info->finfo->format == old->finfo->format
&& info->width == old->width && info->height == old->height
&& info->fps_n == old->fps_n && info->fps_d == old->fps_d
&& info->par_n == old->par_n && info->par_d == old->par_d) {
gst_video_codec_state_unref (encoder->input_state);
encoder->input_state = gst_video_codec_state_ref (state);
return TRUE;
}
/* clear out pending frames */
gst_svthevc_enc_drain_encoder (encoder, TRUE);
}
if (encoder->input_state)
gst_video_codec_state_unref (encoder->input_state);
encoder->input_state = gst_video_codec_state_ref (state);
template_caps = gst_static_pad_template_get_caps (&src_factory);
allowed_caps = gst_pad_get_allowed_caps (GST_VIDEO_ENCODER_SRC_PAD (encoder));
if (allowed_caps == template_caps) {
GST_INFO_OBJECT (encoder, "downstream has ANY caps");
/* SVT-HEVC encoder does not yet support auto profile selecting.
* So we should be set the profile from input format */
encoder->profile = GST_VIDEO_INFO_COMP_DEPTH (info, 0) == 8 ? 1 : 2;
switch (GST_VIDEO_INFO_FORMAT (info)) {
case GST_VIDEO_FORMAT_Y42B:
case GST_VIDEO_FORMAT_I422_10LE:
case GST_VIDEO_FORMAT_I422_10BE:
case GST_VIDEO_FORMAT_Y444:
case GST_VIDEO_FORMAT_Y444_10LE:
case GST_VIDEO_FORMAT_Y444_10BE:
encoder->profile = 4;
default:
break;
}
gst_caps_unref (allowed_caps);
} else if (allowed_caps) {
GstStructure *s;
const gchar *profile;
const gchar *level;
const gchar *tier;
GST_LOG_OBJECT (encoder, "allowed caps %" GST_PTR_FORMAT, allowed_caps);
if (gst_caps_is_empty (allowed_caps)) {
gst_caps_unref (template_caps);
gst_caps_unref (allowed_caps);
return FALSE;
}
s = gst_caps_get_structure (allowed_caps, 0);
if (gst_structure_has_field (s, "profile")) {
const GValue *v = gst_structure_get_value (s, "profile");
GArray *profiles = g_array_new (FALSE, TRUE, sizeof (guint));
GstH265Profile gst_profile;
guint svt_profile = 0;
get_compatible_profile_from_format (profiles,
GST_VIDEO_INFO_FORMAT (info));
if (GST_VALUE_HOLDS_LIST (v)) {
const gint list_size = gst_value_list_get_size (v);
gint i, j;
for (i = 0; i < list_size; i++) {
const GValue *list_val = gst_value_list_get_value (v, i);
profile = g_value_get_string (list_val);
if (profile) {
gst_profile =
gst_h265_profile_from_string (g_value_get_string (list_val));
for (j = 0; j < profiles->len; j++) {
if (profiles->data[j] && (j == gst_profile)) {
svt_profile = gst_svthevc_enc_profile_from_gst (j);
break;
}
}
}
if (svt_profile != 0)
break;
}
} else if (G_VALUE_HOLDS_STRING (v)) {
gint i;
profile = g_value_get_string (v);
if (profile) {
gst_profile = gst_h265_profile_from_string (g_value_get_string (v));
for (i = 0; i < profiles->len; i++) {
if (profiles->data[i] && (i == gst_profile)) {
svt_profile = gst_svthevc_enc_profile_from_gst (i);
break;
}
}
}
}
g_array_free (profiles, TRUE);
if (svt_profile == 0) {
GST_ERROR_OBJECT (encoder, "Could't apply peer profile");
gst_caps_unref (template_caps);
gst_caps_unref (allowed_caps);
return FALSE;
}
encoder->profile = svt_profile;
}
level = gst_structure_get_string (s, "level");
if (level)
encoder->level = gst_svthevc_enc_level_from_gst (level);
tier = gst_structure_get_string (s, "tier");
if (tier)
encoder->tier = gst_svthevc_enc_tier_from_gst (tier);
gst_caps_unref (allowed_caps);
}
gst_caps_unref (template_caps);
GST_INFO_OBJECT (encoder, "Using profile %d, tier %d, level %d",
encoder->profile, encoder->tier, encoder->level);
GST_OBJECT_LOCK (encoder);
if (!gst_svthevc_enc_init_encoder (encoder)) {
GST_OBJECT_UNLOCK (encoder);
return FALSE;
}
GST_OBJECT_UNLOCK (encoder);
if (!gst_svthevc_enc_set_src_caps (encoder, state->caps)) {
gst_svthevc_enc_close_encoder (encoder);
return FALSE;
}
{
/* The SVT-HEVC uses stride in pixel, not in bytes, while upstream can
* provide aligned stride in bytes. So there is no guaranty
* that a stride is multiple of PSTRIDE, we should ensure internal pool
* to use when converting frames. */
GstVideoAlignment video_align;
GstAllocationParams params = { 0, 15, 0, 0 };
GstCaps *caps;
GstBufferPool *pool;
GstStructure *config;
guint i, size;
if (encoder->internal_pool)
gst_object_unref (encoder->internal_pool);
encoder->internal_pool = NULL;
if (encoder->aligned_info)
gst_video_info_free (encoder->aligned_info);
encoder->aligned_info = gst_video_info_copy (info);
caps = gst_video_info_to_caps (info);
pool = gst_video_buffer_pool_new ();
size = GST_VIDEO_INFO_SIZE (info);
GST_INFO_OBJECT (encoder,
"create internal buffer pool size %u, caps %" GST_PTR_FORMAT, size,
caps);
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set_params (config, caps, size, 0, 0);
gst_buffer_pool_config_set_allocator (config, NULL, &params);
gst_caps_unref (caps);
/* set stride align */
gst_video_alignment_reset (&video_align);
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (info); i++)
video_align.stride_align[i] = GST_VIDEO_INFO_COMP_PSTRIDE (info, i) - 1;
gst_video_info_align (encoder->aligned_info, &video_align);
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
gst_buffer_pool_config_set_video_alignment (config, &video_align);
if (!gst_buffer_pool_set_config (pool, config)) {
if (pool)
gst_object_unref (pool);
pool = NULL;
}
gst_buffer_pool_set_active (pool, TRUE);
encoder->internal_pool = pool;
}
gst_svthevc_enc_set_latency (encoder);
return TRUE;
}
static GstFlowReturn
gst_svthevc_enc_finish (GstVideoEncoder * encoder)
{
GST_INFO_OBJECT (encoder, "finish encoder");
gst_svthevc_enc_drain_encoder (GST_SVTHEVC_ENC (encoder), TRUE);
return GST_FLOW_OK;
}
static gboolean
gst_svthevc_enc_propose_allocation (GstVideoEncoder * encoder, GstQuery * query)
{
GstSvtHevcEnc *svthevcenc = GST_SVTHEVC_ENC (encoder);
GstCaps *caps;
GstVideoInfo info;
GstVideoAlignment video_align;
GstBufferPool *pool;
GstStructure *config;
guint i, size, min, max;
GST_INFO_OBJECT (svthevcenc, "propose allocation");
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
gst_query_parse_allocation (query, &caps, NULL);
if (caps == NULL)
goto done;
if (!gst_video_info_from_caps (&info, caps))
goto done;
/* We should propose to specify required stride alignments. */
gst_video_alignment_reset (&video_align);
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&info); i++)
video_align.stride_align[i] = GST_VIDEO_INFO_COMP_PSTRIDE (&info, i) - 1;
gst_video_info_align (&info, &video_align);
if (gst_query_get_n_allocation_pools (query) > 0) {
gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
config = gst_buffer_pool_get_config (pool);
/* set stride align */
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
gst_buffer_pool_config_set_video_alignment (config, &video_align);
gst_buffer_pool_set_config (pool, config);
gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
} else {
GstAllocator *allocator = NULL;
GstAllocationParams params = { 0, 15, 0, 0 };
size = GST_VIDEO_INFO_SIZE (&info);
GST_INFO_OBJECT (svthevcenc,
"create buffer pool size %u, caps %" GST_PTR_FORMAT, size, caps);
if (gst_query_get_n_allocation_params (query) > 0)
gst_query_parse_nth_allocation_param (query, 0, &allocator, &params);
else
gst_query_add_allocation_param (query, allocator, &params);
pool = gst_video_buffer_pool_new ();
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set_params (config, caps, size, 0, 0);
gst_buffer_pool_config_set_allocator (config, allocator, &params);
/* set stride align */
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
gst_buffer_pool_config_set_video_alignment (config, &video_align);
if (allocator)
gst_object_unref (allocator);
if (!gst_buffer_pool_set_config (pool, config))
goto done;
gst_query_add_allocation_pool (query, pool, size, 0, 0);
}
done:
if (pool)
gst_object_unref (pool);
return GST_VIDEO_ENCODER_CLASS (parent_class)->propose_allocation (encoder,
query);
}
/* chain function
* this function does the actual processing
*/
static GstFlowReturn
gst_svthevc_enc_handle_frame (GstVideoEncoder * video_enc,
GstVideoCodecFrame * frame)
{
GstSvtHevcEnc *encoder = GST_SVTHEVC_ENC (video_enc);
GstFlowReturn ret = GST_FLOW_OK;
gboolean got_packet;
if (G_UNLIKELY (encoder->svt_handle == NULL))
goto not_inited;
ret = gst_svthevc_enc_send_frame (encoder, frame);
if (ret != GST_FLOW_OK)
goto encode_fail;
do {
ret = gst_svthevc_enc_receive_frame (encoder, &got_packet, TRUE);
GST_LOG_OBJECT (encoder, "ret %d, got_packet %d", ret, got_packet);
if (ret != GST_FLOW_OK)
break;
} while (got_packet);
done:
return ret;
/* ERRORS */
not_inited:
{
GST_WARNING_OBJECT (encoder, "Got buffer before set_caps was called");
return GST_FLOW_NOT_NEGOTIATED;
}
encode_fail:
{
/* avoid frame (and ts etc) piling up */
if (frame)
ret = gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (encoder), frame);
goto done;
}
}
static gboolean
gst_svthevc_enc_convert_frame (GstSvtHevcEnc * encoder,
GstVideoCodecFrame * frame)
{
GstVideoInfo *info = &encoder->input_state->info;
GstVideoFrame src_frame, aligned_frame;
GstBuffer *aligned_buffer;
if (encoder->internal_pool == NULL)
return FALSE;
if (gst_buffer_pool_acquire_buffer (encoder->internal_pool, &aligned_buffer,
NULL) != GST_FLOW_OK) {
GST_ERROR_OBJECT (encoder, "Failed to acquire a buffer from pool");
return FALSE;
}
if (!gst_video_frame_map (&src_frame, info, frame->input_buffer,
GST_MAP_READ)) {
GST_ERROR_OBJECT (encoder, "Failed to map the frame for aligned buffer");
goto error;
}
/* FIXME: need to adjust video info align?? */
if (!gst_video_frame_map (&aligned_frame, encoder->aligned_info,
aligned_buffer, GST_MAP_WRITE)) {
GST_ERROR_OBJECT (encoder, "Failed to map the frame for aligned buffer");
gst_video_frame_unmap (&src_frame);
goto error;
}
if (!gst_video_frame_copy (&aligned_frame, &src_frame)) {
GST_ERROR_OBJECT (encoder, "Failed to copy frame");
gst_video_frame_unmap (&src_frame);
gst_video_frame_unmap (&aligned_frame);
goto error;
}
gst_video_frame_unmap (&src_frame);
gst_video_frame_unmap (&aligned_frame);
gst_buffer_replace (&frame->input_buffer, aligned_buffer);
gst_buffer_unref (aligned_buffer);
return TRUE;
error:
if (aligned_buffer)
gst_buffer_unref (aligned_buffer);
return FALSE;
}
static GstFlowReturn
gst_svthevc_enc_send_frame (GstSvtHevcEnc * encoder, GstVideoCodecFrame * frame)
{
GstFlowReturn ret = GST_FLOW_OK;
EB_BUFFERHEADERTYPE *headerPtr = NULL;
GstVideoInfo *info = &encoder->input_state->info;
GstVideoFrame vframe;
EB_ERRORTYPE svt_ret;
guint i;
if (encoder->svt_eos_flag == EOS_REACHED) {
if (frame)
gst_video_codec_frame_unref (frame);
return GST_FLOW_OK;
}
if (encoder->svt_eos_flag == EOS_TOTRIGGER) {
if (frame)
gst_video_codec_frame_unref (frame);
return GST_FLOW_EOS;
}
if (!frame)
goto out;
headerPtr = encoder->in_buf;
/* Check that stride is a multiple of pstride, otherwise convert to
* desired stride from SVT-HEVC.*/
for (i = 0; i < 3; i++) {
if (GST_VIDEO_INFO_COMP_STRIDE (info,
i) % GST_VIDEO_INFO_COMP_PSTRIDE (info, i)) {
GST_LOG_OBJECT (encoder, "need to convert frame");
if (!gst_svthevc_enc_convert_frame (encoder, frame)) {
if (frame)
gst_video_codec_frame_unref (frame);
}
break;
}
}
if (!gst_video_frame_map (&vframe, info, frame->input_buffer, GST_MAP_READ)) {
GST_ERROR_OBJECT (encoder, "Failed to map frame");
if (frame)
gst_video_codec_frame_unref (frame);
return GST_FLOW_ERROR;
}
read_in_data (&encoder->enc_params, &vframe, headerPtr);
headerPtr->nFlags = 0;
headerPtr->sliceType = EB_INVALID_PICTURE;
headerPtr->pAppPrivate = NULL;
headerPtr->pts = frame->pts;
if (encoder->reconfig && frame) {
/* svthevc_encoder_reconfig is not yet implemented thus we shut down and re-create encoder */
GST_INFO_OBJECT (encoder, "reconfigure encoder");
gst_svthevc_enc_drain_encoder (encoder, TRUE);
GST_OBJECT_LOCK (encoder);
if (!gst_svthevc_enc_init_encoder (encoder)) {
GST_OBJECT_UNLOCK (encoder);
return GST_FLOW_ERROR;
}
GST_OBJECT_UNLOCK (encoder);
}
if (headerPtr && frame) {
if (GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME (frame)) {
GST_INFO_OBJECT (encoder, "Forcing key frame");
headerPtr->sliceType = EB_IDR_PICTURE;
}
}
out:
if (!headerPtr) {
EB_BUFFERHEADERTYPE headerPtrLast;
if (encoder->first_buffer) {
GST_DEBUG_OBJECT (encoder, "No need to send eos buffer");
encoder->svt_eos_flag = EOS_TOTRIGGER;
return GST_FLOW_OK;
}
headerPtrLast.nAllocLen = 0;
headerPtrLast.nFilledLen = 0;
headerPtrLast.nTickCount = 0;
headerPtrLast.pAppPrivate = NULL;
headerPtrLast.pBuffer = NULL;
headerPtrLast.nFlags = EB_BUFFERFLAG_EOS;
GST_DEBUG_OBJECT (encoder, "drain frame");
svt_ret = EbH265EncSendPicture (encoder->svt_handle, &headerPtrLast);
encoder->svt_eos_flag = EOS_REACHED;
} else {
GST_LOG_OBJECT (encoder, "encode frame");
svt_ret = EbH265EncSendPicture (encoder->svt_handle, headerPtr);
encoder->first_buffer = FALSE;
}
GST_LOG_OBJECT (encoder, "encoder result (%d)", svt_ret);
if (svt_ret != EB_ErrorNone) {
GST_ELEMENT_ERROR (encoder, STREAM, ENCODE,
("Encode svthevc frame failed."),
("svthevc_encoder_encode return code=%d", svt_ret));
ret = GST_FLOW_ERROR;
}
/* Input frame is now queued */
if (frame) {
gst_video_frame_unmap (&vframe);
gst_video_codec_frame_unref (frame);
}
return ret;
}
static GstVideoCodecFrame *
gst_svthevc_encoder_get_frame (GstVideoEncoder * encoder, GstClockTime ts)
{
GList *g;
GList *frames;
GstVideoCodecFrame *frame = NULL;
GST_LOG_OBJECT (encoder, "timestamp : %" GST_TIME_FORMAT, GST_TIME_ARGS (ts));
frames = gst_video_encoder_get_frames (GST_VIDEO_ENCODER (encoder));
for (g = frames; g; g = g->next) {
GstVideoCodecFrame *tmp = g->data;
if (tmp->pts == ts) {
frame = gst_video_codec_frame_ref (tmp);
break;
}
}
g_list_free_full (frames, (GDestroyNotify) gst_video_codec_frame_unref);
return frame;
}
static GstClockTime
gst_svthevc_encoder_get_oldest_pts (GstVideoEncoder * encoder)
{
GList *g;
GList *frames;
GstClockTime min_ts = GST_CLOCK_TIME_NONE;
gboolean seen_none = FALSE;
frames = gst_video_encoder_get_frames (GST_VIDEO_ENCODER (encoder));
/* find the lowest unsent PTS */
for (g = frames; g; g = g->next) {
GstVideoCodecFrame *tmp = g->data;
if (!GST_CLOCK_TIME_IS_VALID (tmp->abidata.ABI.ts)) {
seen_none = TRUE;
continue;
}
if (!GST_CLOCK_TIME_IS_VALID (min_ts) || tmp->abidata.ABI.ts < min_ts) {
if (!seen_none)
min_ts = tmp->abidata.ABI.ts;
}
}
g_list_free_full (frames, (GDestroyNotify) gst_video_codec_frame_unref);
return min_ts;
}
static GstFlowReturn
gst_svthevc_enc_receive_frame (GstSvtHevcEnc * encoder,
gboolean * got_packet, gboolean send)
{
GstVideoCodecFrame *frame = NULL;
GstBuffer *out_buf = NULL;
GstFlowReturn ret = GST_FLOW_OK;
EB_BUFFERHEADERTYPE *output_buffer = NULL;
EB_ERRORTYPE svt_ret;
*got_packet = FALSE;
if (encoder->svt_eos_flag == EOS_TOTRIGGER)
return GST_FLOW_EOS;
svt_ret =
EbH265GetPacket (encoder->svt_handle, &output_buffer,
encoder->svt_eos_flag);
if (svt_ret == EB_NoErrorEmptyQueue) {
GST_DEBUG_OBJECT (encoder, "no output yet");
return GST_FLOW_OK;
}
if (svt_ret != EB_ErrorNone || !output_buffer) {
GST_ELEMENT_ERROR (encoder, STREAM, ENCODE,
("Encode svthevc frame failed."),
("EbH265GetPacket return code=%d", svt_ret));
return GST_FLOW_ERROR;
}
GST_LOG_OBJECT (encoder, "got %d from svt", output_buffer->nFlags);
*got_packet = TRUE;
frame =
gst_svthevc_encoder_get_frame (GST_VIDEO_ENCODER (encoder),
output_buffer->pts);
if (!frame && send) {
GST_ELEMENT_ERROR (encoder, STREAM, ENCODE,
("Encode svthevc frame failed."), ("Frame not found."));
ret = GST_FLOW_ERROR;
goto out;
}
if (!send || !frame) {
GST_DEBUG_OBJECT (encoder, "not sending (%d) or frame not found (%d)", send,
frame != NULL);
ret = GST_FLOW_OK;
goto out;
}
GST_LOG_OBJECT (encoder,
"output picture ready system=%d frame found %d",
frame->system_frame_number, frame != NULL);
if (encoder->update_latency) {
gst_svthevc_enc_set_latency (encoder);
encoder->update_latency = FALSE;
}
out_buf = gst_buffer_new_allocate (NULL, output_buffer->nFilledLen, NULL);
gst_buffer_fill (out_buf, 0, output_buffer->pBuffer,
output_buffer->nFilledLen);
frame->output_buffer = out_buf;
if (output_buffer->sliceType == EB_IDR_PICTURE)
GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame);
else
GST_VIDEO_CODEC_FRAME_UNSET_SYNC_POINT (frame);
if (encoder->push_header) {
GstBuffer *header;
header = gst_svthevc_enc_get_header_buffer (encoder);
frame->output_buffer = gst_buffer_append (header, frame->output_buffer);
encoder->push_header = FALSE;
}
frame->pts = output_buffer->pts;
if (encoder->pred_structure) {
/* Since the SVT-HEVC does not support adjust dts when bframe was enabled,
* output pts can be smaller than dts. The maximum difference between DTS and PTS can be calculated
* using the PTS difference between the first frame and the second frame.
*/
if (encoder->dts_offset == 0) {
if (encoder->first_frame) {
if (frame->pts > encoder->first_frame->pts) {
encoder->dts_offset = frame->pts - encoder->first_frame->pts;
} else {
GstVideoInfo *info = &encoder->input_state->info;
GstClockTime duration;
gdouble framerate;
GST_WARNING_OBJECT (encoder, "Could not calculate DTS offset");
/* No way to get maximum bframe count since SVT-HEVC does not support it,
* so using keyframe interval instead.
*/
if (info->fps_d == 0 || info->fps_n == 0) {
/* No way to get duration, assume 60fps. */
duration = gst_util_uint64_scale (1, GST_SECOND, 60);
framerate = 60;
} else {
duration =
gst_util_uint64_scale (info->fps_d, GST_SECOND, info->fps_n);
gst_util_fraction_to_double (info->fps_n, info->fps_d, &framerate);
}
if (encoder->keyintmax > 0) {
encoder->dts_offset = duration * encoder->keyintmax;
} else {
/* The SVT-HEVC sets the default gop-size the closest possible to
* 1 second without breaking the minigop.
*/
gint mini_gop = (1 << (encoder->hierarchical_level));
gint keyintmin = ((int) ((framerate) / mini_gop) * (mini_gop));
gint keyintmax =
((int) ((framerate + mini_gop) / mini_gop) * (mini_gop));
gint keyint =
(ABS ((framerate - keyintmax)) >
ABS ((framerate - keyintmin))) ? keyintmin : keyintmax;
if (encoder->enable_open_gop)
keyint -= 1;
encoder->dts_offset = duration * keyint;
}
}
GST_INFO_OBJECT (encoder, "Calculated DTS offset %" GST_TIME_FORMAT,
GST_TIME_ARGS (encoder->dts_offset));
encoder->first_frame->dts =
gst_svthevc_encoder_get_oldest_pts (GST_VIDEO_ENCODER (encoder));
if (GST_CLOCK_TIME_IS_VALID (encoder->first_frame->dts))
encoder->first_frame->dts -= encoder->dts_offset;
GST_LOG_OBJECT (encoder,
"output: frame dts %" GST_TIME_FORMAT " pts %" GST_TIME_FORMAT,
GST_TIME_ARGS (encoder->first_frame->dts),
GST_TIME_ARGS (encoder->first_frame->pts));
ret =
gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (encoder),
encoder->first_frame);
encoder->first_frame = NULL;
} else {
encoder->first_frame = frame;
frame = NULL;
goto out;
}
}
frame->dts =
gst_svthevc_encoder_get_oldest_pts (GST_VIDEO_ENCODER (encoder));
if (GST_CLOCK_TIME_IS_VALID (frame->dts))
frame->dts -= encoder->dts_offset;
}
GST_LOG_OBJECT (encoder,
"output: frame dts %" GST_TIME_FORMAT " pts %" GST_TIME_FORMAT,
GST_TIME_ARGS (frame->dts), GST_TIME_ARGS (frame->pts));
out:
if (output_buffer->nFlags == EB_BUFFERFLAG_EOS)
encoder->svt_eos_flag = EOS_TOTRIGGER;
if (output_buffer)
EbH265ReleaseOutBuffer (&output_buffer);
if (frame)
ret = gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (encoder), frame);
return ret;
}
static GstFlowReturn
gst_svthevc_enc_drain_encoder (GstSvtHevcEnc * encoder, gboolean send)
{
GstFlowReturn ret = GST_FLOW_OK;
gboolean got_packet;
/* first send the remaining frames */
if (G_UNLIKELY (encoder->svt_handle == NULL) ||
G_UNLIKELY (encoder->svt_eos_flag == EOS_TOTRIGGER))
goto done;
ret = gst_svthevc_enc_send_frame (encoder, NULL);
if (ret != GST_FLOW_OK)
goto done;
do {
ret = gst_svthevc_enc_receive_frame (encoder, &got_packet, send);
GST_LOG_OBJECT (encoder, "ret %d, got_packet %d", ret, got_packet);
if (ret != GST_FLOW_OK)
break;
} while (got_packet);
done:
if (encoder->first_frame) {
GST_LOG_OBJECT (encoder,
"output: frame dts %" GST_TIME_FORMAT " pts %" GST_TIME_FORMAT,
GST_TIME_ARGS (encoder->first_frame->dts),
GST_TIME_ARGS (encoder->first_frame->pts));
gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (encoder),
encoder->first_frame);
encoder->first_frame = NULL;
}
return ret;
}
static void
gst_svthevc_enc_reconfig (GstSvtHevcEnc * encoder)
{
encoder->reconfig = TRUE;
}
static void
gst_svthevc_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstSvtHevcEnc *encoder;
GstState state;
encoder = GST_SVTHEVC_ENC (object);
GST_OBJECT_LOCK (encoder);
state = GST_STATE (encoder);
if ((state != GST_STATE_READY && state != GST_STATE_NULL) &&
!(pspec->flags & GST_PARAM_MUTABLE_PLAYING))
goto wrong_state;
switch (prop_id) {
case PROP_INSERT_VUI:
encoder->insert_vui = g_value_get_boolean (value);
break;
case PROP_AUD:
encoder->aud = g_value_get_boolean (value);
break;
case PROP_HIERARCHICAL_LEVEL:
encoder->hierarchical_level = g_value_get_enum (value);
break;
case PROP_LOOKAHEAD_DISTANCE:
encoder->la_depth = g_value_get_uint (value);
break;
case PROP_ENCODER_MODE:
encoder->enc_mode = g_value_get_uint (value);
break;
case PROP_RC_MODE:
encoder->rc_mode = g_value_get_enum (value);
break;
case PROP_QP_I:
encoder->qp_i = g_value_get_uint (value);
break;
case PROP_QP_MAX:
encoder->qp_max = g_value_get_uint (value);
break;
case PROP_QP_MIN:
encoder->qp_min = g_value_get_uint (value);
break;
case PROP_SCENE_CHANGE_DETECTION:
encoder->scene_change_detection = g_value_get_boolean (value);
break;
case PROP_TUNE:
encoder->tune = g_value_get_enum (value);
break;
case PROP_BASE_LAYER_SWITCH_MODE:
encoder->base_layer_switch_mode = g_value_get_enum (value);
break;
case PROP_BITRATE:
encoder->bitrate = g_value_get_uint (value);
break;
case PROP_KEY_INT_MAX:
encoder->keyintmax = g_value_get_int (value);
break;
case PROP_ENABLE_OPEN_GOP:
encoder->enable_open_gop = g_value_get_boolean (value);
break;
case PROP_CONFIG_INTERVAL:
encoder->config_interval = g_value_get_uint (value);
break;
case PROP_CORES:
encoder->cores = g_value_get_uint (value);
break;
case PROP_SOCKET:
encoder->socket = g_value_get_int (value);
break;
case PROP_TILE_ROW:
encoder->tile_row = g_value_get_uint (value);
break;
case PROP_TILE_COL:
encoder->tile_col = g_value_get_uint (value);
break;
case PROP_PRED_STRUCTURE:
encoder->pred_structure = g_value_get_enum (value);
break;
case PROP_VBV_MAX_RATE:
encoder->vbv_maxrate = g_value_get_uint (value);
break;
case PROP_VBV_BUFFER_SIZE:
encoder->vbv_bufsize = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
gst_svthevc_enc_reconfig (encoder);
GST_OBJECT_UNLOCK (encoder);
return;
wrong_state:
{
GST_WARNING_OBJECT (encoder, "setting property in wrong state");
GST_OBJECT_UNLOCK (encoder);
}
}
static void
gst_svthevc_enc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstSvtHevcEnc *encoder;
encoder = GST_SVTHEVC_ENC (object);
GST_OBJECT_LOCK (encoder);
switch (prop_id) {
case PROP_INSERT_VUI:
g_value_set_boolean (value, encoder->insert_vui);
break;
case PROP_AUD:
g_value_set_boolean (value, encoder->aud);
break;
case PROP_HIERARCHICAL_LEVEL:
g_value_set_enum (value, encoder->hierarchical_level);
break;
case PROP_LOOKAHEAD_DISTANCE:
g_value_set_uint (value, encoder->la_depth);
break;
case PROP_ENCODER_MODE:
g_value_set_uint (value, encoder->enc_mode);
break;
case PROP_RC_MODE:
g_value_set_enum (value, encoder->rc_mode);
break;
case PROP_QP_I:
g_value_set_uint (value, encoder->qp_i);
break;
case PROP_QP_MAX:
g_value_set_uint (value, encoder->qp_max);
break;
case PROP_QP_MIN:
g_value_set_uint (value, encoder->qp_min);
break;
case PROP_SCENE_CHANGE_DETECTION:
g_value_set_boolean (value, encoder->scene_change_detection);
break;
case PROP_TUNE:
g_value_set_enum (value, encoder->tune);
break;
case PROP_BASE_LAYER_SWITCH_MODE:
g_value_set_enum (value, encoder->base_layer_switch_mode);
break;
case PROP_BITRATE:
g_value_set_uint (value, encoder->bitrate);
break;
case PROP_KEY_INT_MAX:
g_value_set_int (value, encoder->keyintmax);
break;
case PROP_ENABLE_OPEN_GOP:
g_value_set_boolean (value, encoder->enable_open_gop);
break;
case PROP_CONFIG_INTERVAL:
g_value_set_uint (value, encoder->config_interval);
break;
case PROP_CORES:
g_value_set_uint (value, encoder->cores);
break;
case PROP_SOCKET:
g_value_set_int (value, encoder->socket);
break;
case PROP_TILE_ROW:
g_value_set_uint (value, encoder->tile_row);
break;
case PROP_TILE_COL:
g_value_set_uint (value, encoder->tile_col);
break;
case PROP_PRED_STRUCTURE:
g_value_set_enum (value, encoder->pred_structure);
break;
case PROP_VBV_MAX_RATE:
g_value_set_uint (value, encoder->vbv_maxrate);
break;
case PROP_VBV_BUFFER_SIZE:
g_value_set_uint (value, encoder->vbv_bufsize);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_OBJECT_UNLOCK (encoder);
}
static gboolean
plugin_init (GstPlugin * plugin)
{
GST_DEBUG_CATEGORY_INIT (svthevc_enc_debug, "svthevcenc", 0,
"h265 encoding element");
return gst_element_register (plugin, "svthevcenc",
GST_RANK_PRIMARY, GST_TYPE_SVTHEVC_ENC);
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
svthevcenc,
"svt-hevc encoder based H265 plugins",
plugin_init, VERSION, "GPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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