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gstreamer/subprojects/gst-plugins-bad/ext/svtav1/gstsvtav1enc.c
Sebastian Dröge d9efa54783 gstreamer: Fix output state reference leak
2023-01-12 01:06:38 +00:00

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/*
* Copyright(c) 2019 Intel Corporation
* Authors: Jun Tian <jun.tian@intel.com> Xavier Hallade <xavier.hallade@intel.com>
* SPDX - License - Identifier: LGPL-2.1-or-later
*/
/**
* SECTION:element-gstsvtav1enc
*
* The svtav1enc element does AV1 encoding using Scalable
* Video Technology for AV1 Encoder (SVT-AV1 Encoder).
*
* <refsect2>
* <title>Example launch line</title>
* |[
* gst-launch-1.0 -e videotestsrc ! video/x-raw ! svtav1enc ! matroskamux ! filesink location=out.mkv
* ]|
* Encodes test input into AV1 compressed data which is then packaged in out.mkv
* </refsect2>
*/
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/video/gstvideoencoder.h>
#include "gstsvtav1enc.h"
GST_DEBUG_CATEGORY_STATIC (gst_svtav1enc_debug_category);
#define GST_CAT_DEFAULT gst_svtav1enc_debug_category
/* prototypes */
static void gst_svtav1enc_set_property (GObject * object,
guint property_id, const GValue * value, GParamSpec * pspec);
static void gst_svtav1enc_get_property (GObject * object,
guint property_id, GValue * value, GParamSpec * pspec);
static void gst_svtav1enc_dispose (GObject * object);
static void gst_svtav1enc_finalize (GObject * object);
gboolean gst_svtav1enc_allocate_svt_buffers (GstSvtAv1Enc * svtav1enc);
void gst_svthevenc_deallocate_svt_buffers (GstSvtAv1Enc * svtav1enc);
static gboolean gst_svtav1enc_configure_svt (GstSvtAv1Enc * svtav1enc);
static GstFlowReturn gst_svtav1enc_encode (GstSvtAv1Enc * svtav1enc,
GstVideoCodecFrame * frame);
static gboolean gst_svtav1enc_send_eos (GstSvtAv1Enc * svtav1enc);
static GstFlowReturn gst_svtav1enc_dequeue_encoded_frames (GstSvtAv1Enc *
svtav1enc, gboolean closing_encoder, gboolean output_frames);
static gboolean gst_svtav1enc_stop (GstVideoEncoder * encoder);
static gboolean gst_svtav1enc_set_format (GstVideoEncoder * encoder,
GstVideoCodecState * state);
static GstFlowReturn gst_svtav1enc_handle_frame (GstVideoEncoder * encoder,
GstVideoCodecFrame * frame);
static GstFlowReturn gst_svtav1enc_finish (GstVideoEncoder * encoder);
static gboolean gst_svtav1enc_propose_allocation (GstVideoEncoder * encoder,
GstQuery * query);
static gboolean gst_svtav1enc_flush (GstVideoEncoder * encoder);
/* helpers */
gint compare_video_code_frame_and_pts (const void *video_codec_frame_ptr,
const void *pts_ptr);
enum
{
PROP_0,
PROP_ENCMODE,
PROP_B_PYRAMID,
PROP_P_FRAMES,
PROP_PRED_STRUCTURE,
PROP_GOP_SIZE,
PROP_INTRA_REFRESH,
PROP_QP,
PROP_QP_MAX,
PROP_QP_MIN,
PROP_DEBLOCKING,
PROP_RC_MODE,
PROP_BITRATE,
PROP_LOOKAHEAD,
PROP_SCD,
PROP_CORES,
PROP_SOCKET
};
#define PROP_RC_MODE_CQP 0
#define PROP_RC_MODE_VBR 1
#define PROP_ENCMODE_DEFAULT 8
#define PROP_HIERARCHICAL_LEVEL_DEFAULT 4
#define PROP_P_FRAMES_DEFAULT 0
#define PROP_PRED_STRUCTURE_DEFAULT 2
#define PROP_GOP_SIZE_DEFAULT -1
#define PROP_INTRA_REFRESH_DEFAULT 1
#define PROP_QP_DEFAULT 50
#define PROP_DEBLOCKING_DEFAULT TRUE
#define PROP_RC_MODE_DEFAULT PROP_RC_MODE_CQP
#define PROP_BITRATE_DEFAULT 7000000
#define PROP_QP_MAX_DEFAULT 63
#define PROP_QP_MIN_DEFAULT 0
#define PROP_LOOKAHEAD_DEFAULT (unsigned int)-1
#define PROP_SCD_DEFAULT FALSE
#define PROP_AUD_DEFAULT FALSE
#define PROP_CORES_DEFAULT 0
#define PROP_SOCKET_DEFAULT -1
/* pad templates */
static GstStaticPadTemplate gst_svtav1enc_sink_pad_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw, "
"format = (string) {I420, I420_10LE}, "
"width = (int) [64, 3840], "
"height = (int) [64, 2160], " "framerate = (fraction) [0, MAX]")
);
static GstStaticPadTemplate gst_svtav1enc_src_pad_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-av1, "
"stream-format = (string) byte-stream, "
"alignment = (string) au, "
"width = (int) [64, 3840], "
"height = (int) [64, 2160], " "framerate = (fraction) [0, MAX]")
);
/* class initialization */
G_DEFINE_TYPE_WITH_CODE (GstSvtAv1Enc, gst_svtav1enc, GST_TYPE_VIDEO_ENCODER,
GST_DEBUG_CATEGORY_INIT (gst_svtav1enc_debug_category, "svtav1enc", 0,
"debug category for SVT-AV1 encoder element"));
/* this mutex is required to avoid race conditions in SVT-AV1 memory allocations, which aren't thread-safe */
G_LOCK_DEFINE_STATIC (init_mutex);
static void
gst_svtav1enc_class_init (GstSvtAv1EncClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstVideoEncoderClass *video_encoder_class = GST_VIDEO_ENCODER_CLASS (klass);
gst_element_class_add_static_pad_template (GST_ELEMENT_CLASS (klass),
&gst_svtav1enc_src_pad_template);
gst_element_class_add_static_pad_template (GST_ELEMENT_CLASS (klass),
&gst_svtav1enc_sink_pad_template);
gst_element_class_set_static_metadata (GST_ELEMENT_CLASS (klass),
"SvtAv1Enc", "Codec/Encoder/Video",
"Scalable Video Technology for AV1 Encoder (SVT-AV1 Encoder)",
"Jun Tian <jun.tian@intel.com> Xavier Hallade <xavier.hallade@intel.com>");
gobject_class->set_property = gst_svtav1enc_set_property;
gobject_class->get_property = gst_svtav1enc_get_property;
gobject_class->dispose = gst_svtav1enc_dispose;
gobject_class->finalize = gst_svtav1enc_finalize;
video_encoder_class->stop = GST_DEBUG_FUNCPTR (gst_svtav1enc_stop);
video_encoder_class->set_format =
GST_DEBUG_FUNCPTR (gst_svtav1enc_set_format);
video_encoder_class->handle_frame =
GST_DEBUG_FUNCPTR (gst_svtav1enc_handle_frame);
video_encoder_class->finish = GST_DEBUG_FUNCPTR (gst_svtav1enc_finish);
video_encoder_class->propose_allocation =
GST_DEBUG_FUNCPTR (gst_svtav1enc_propose_allocation);
video_encoder_class->flush = GST_DEBUG_FUNCPTR (gst_svtav1enc_flush);
g_object_class_install_property (gobject_class, PROP_ENCMODE,
g_param_spec_uint ("speed", "speed (Encoder Mode)",
"Quality vs density tradeoff point"
" that the encoding is to be performed at"
" (0 is the highest quality, 12 is the highest speed) ",
0, 12, PROP_ENCMODE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_B_PYRAMID,
g_param_spec_uint ("hierarchical-level", "Hierarchical levels",
"3 : 4 - Level Hierarchy,"
"4 : 5 - Level Hierarchy",
3, 4, PROP_HIERARCHICAL_LEVEL_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
//g_object_class_install_property (gobject_class, PROP_P_FRAMES,
// g_param_spec_boolean ("p-frames", "P Frames",
// "Use P-frames in the base layer",
// PROP_P_FRAMES_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
//g_object_class_install_property (gobject_class, PROP_PRED_STRUCTURE,
// g_param_spec_uint ("pred-struct", "Prediction Structure",
// "0 : Low Delay P, 1 : Low Delay B"
// ", 2 : Random Access",
// 0, 2, PROP_PRED_STRUCTURE_DEFAULT,
// G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_GOP_SIZE,
g_param_spec_int ("gop-size", "GOP size",
"Period of Intra Frames insertion (-1 is auto)",
-1, 251, PROP_GOP_SIZE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_INTRA_REFRESH,
g_param_spec_int ("intra-refresh", "Intra refresh type",
"CRA (open GOP)"
"or IDR frames (closed GOP)",
1, 2, PROP_INTRA_REFRESH_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_QP,
g_param_spec_uint ("qp", "Quantization parameter",
"Quantization parameter used in CQP mode",
0, 63, PROP_QP_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_DEBLOCKING,
g_param_spec_boolean ("deblocking", "Deblock Filter",
"Enable Deblocking Loop Filtering",
PROP_DEBLOCKING_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_RC_MODE,
g_param_spec_uint ("rc", "Rate-control mode",
"0 : CQP, 1 : VBR",
0, 1, PROP_RC_MODE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/* TODO: add GST_PARAM_MUTABLE_PLAYING property and handle it? */
g_object_class_install_property (gobject_class, PROP_BITRATE,
g_param_spec_uint ("bitrate", "Target bitrate",
"Target bitrate in bits/sec. Only used when in VBR mode",
1, G_MAXUINT, PROP_BITRATE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_QP_MAX,
g_param_spec_uint ("max-qp", "Max Quantization parameter",
"Maximum QP value allowed for rate control use"
" Only used in VBR mode.",
0, 63, 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 ("min-qp", "Min Quantization parameter",
"Minimum QP value allowed for rate control use"
" Only used in VBR mode.",
0, 63, PROP_QP_MIN_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_LOOKAHEAD,
g_param_spec_int ("lookahead", "Look Ahead Distance",
"Number of frames to look ahead. -1 lets the encoder pick a value",
-1, 250, PROP_LOOKAHEAD_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_SCD,
g_param_spec_boolean ("scd", "Scene Change Detection",
"Enable Scene Change Detection algorithm",
PROP_SCD_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, 15, PROP_SOCKET_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
static void
gst_svtav1enc_init (GstSvtAv1Enc * svtav1enc)
{
GST_OBJECT_LOCK (svtav1enc);
svtav1enc->svt_config = g_malloc (sizeof (EbSvtAv1EncConfiguration));
if (!svtav1enc->svt_config) {
GST_ERROR_OBJECT (svtav1enc, "insufficient resources");
GST_OBJECT_UNLOCK (svtav1enc);
return;
}
memset (&svtav1enc->svt_encoder, 0, sizeof (svtav1enc->svt_encoder));
svtav1enc->frame_count = 0;
EbErrorType res =
svt_av1_enc_init_handle(&svtav1enc->svt_encoder, NULL, svtav1enc->svt_config);
if (res != EB_ErrorNone) {
GST_ELEMENT_ERROR (svtav1enc, LIBRARY, INIT, (NULL), ("svt_av1_enc_init_handle failed with error %d", res));
GST_OBJECT_UNLOCK (svtav1enc);
return;
}
/* setting configuration here since svt_av1_enc_init_handle overrides it */
GST_OBJECT_UNLOCK (svtav1enc);
}
void
gst_svtav1enc_set_property (GObject * object, guint property_id,
const GValue * value, GParamSpec * pspec)
{
GstSvtAv1Enc *svtav1enc = GST_SVTAV1ENC (object);
/* TODO: support reconfiguring on the fly when possible */
if (svtav1enc->state) {
GST_ERROR_OBJECT (svtav1enc,
"encoder state has been set before properties, this isn't supported yet.");
return;
}
GST_LOG_OBJECT (svtav1enc, "setting property %u", property_id);
switch (property_id) {
case PROP_ENCMODE:
svtav1enc->svt_config->enc_mode = g_value_get_uint (value);
break;
case PROP_GOP_SIZE:
svtav1enc->svt_config->intra_period_length = g_value_get_int(value) - 1;
break;
case PROP_INTRA_REFRESH:
svtav1enc->svt_config->intra_refresh_type = g_value_get_int(value);
break;
case PROP_B_PYRAMID:
svtav1enc->svt_config->hierarchical_levels = g_value_get_uint (value);
break;
case PROP_PRED_STRUCTURE:
svtav1enc->svt_config->pred_structure = g_value_get_uint(value);
break;
case PROP_QP:
svtav1enc->svt_config->qp = g_value_get_uint (value);
break;
case PROP_DEBLOCKING:
svtav1enc->svt_config->enable_dlf_flag = g_value_get_boolean (value);
break;
case PROP_RC_MODE:
svtav1enc->svt_config->rate_control_mode = g_value_get_uint (value);
break;
case PROP_BITRATE:
svtav1enc->svt_config->target_bit_rate = g_value_get_uint (value) * 1000;
break;
case PROP_QP_MAX:
svtav1enc->svt_config->max_qp_allowed = g_value_get_uint (value);
break;
case PROP_QP_MIN:
svtav1enc->svt_config->min_qp_allowed = g_value_get_uint (value);
break;
case PROP_SCD:
svtav1enc->svt_config->scene_change_detection =
g_value_get_boolean (value);
break;
case PROP_CORES:
svtav1enc->svt_config->logical_processors = g_value_get_uint (value);
break;
case PROP_SOCKET:
svtav1enc->svt_config->target_socket = g_value_get_int (value);
break;
case PROP_LOOKAHEAD:
svtav1enc->svt_config->look_ahead_distance = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
void
gst_svtav1enc_get_property (GObject * object, guint property_id,
GValue * value, GParamSpec * pspec)
{
GstSvtAv1Enc *svtav1enc = GST_SVTAV1ENC (object);
GST_LOG_OBJECT (svtav1enc, "getting property %u", property_id);
switch (property_id) {
case PROP_ENCMODE:
g_value_set_uint (value, svtav1enc->svt_config->enc_mode);
break;
case PROP_B_PYRAMID:
g_value_set_uint (value, svtav1enc->svt_config->hierarchical_levels);
break;
case PROP_PRED_STRUCTURE:
g_value_set_uint (value, svtav1enc->svt_config->pred_structure);
break;
case PROP_GOP_SIZE:
g_value_set_int (value, svtav1enc->svt_config->intra_period_length + 1);
break;
case PROP_INTRA_REFRESH:
g_value_set_int(value, svtav1enc->svt_config->intra_refresh_type);
break;
case PROP_QP:
g_value_set_uint (value, svtav1enc->svt_config->qp);
break;
case PROP_DEBLOCKING:
g_value_set_boolean (value, svtav1enc->svt_config->enable_dlf_flag == 1);
break;
case PROP_RC_MODE:
g_value_set_uint (value, svtav1enc->svt_config->rate_control_mode);
break;
case PROP_BITRATE:
g_value_set_uint (value, svtav1enc->svt_config->target_bit_rate / 1000);
break;
case PROP_QP_MAX:
g_value_set_uint (value, svtav1enc->svt_config->max_qp_allowed);
break;
case PROP_QP_MIN:
g_value_set_uint (value, svtav1enc->svt_config->min_qp_allowed);
break;
case PROP_SCD:
g_value_set_boolean (value,
svtav1enc->svt_config->scene_change_detection == 1);
break;
case PROP_CORES:
g_value_set_uint (value, svtav1enc->svt_config->logical_processors);
break;
case PROP_SOCKET:
g_value_set_int (value, svtav1enc->svt_config->target_socket);
break;
case PROP_LOOKAHEAD:
g_value_set_int (value, svtav1enc->svt_config->look_ahead_distance);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
void
gst_svtav1enc_dispose (GObject * object)
{
GstSvtAv1Enc *svtav1enc = GST_SVTAV1ENC (object);
GST_DEBUG_OBJECT (svtav1enc, "dispose");
/* clean up as possible. may be called multiple times */
if (svtav1enc->state)
gst_video_codec_state_unref (svtav1enc->state);
svtav1enc->state = NULL;
G_OBJECT_CLASS (gst_svtav1enc_parent_class)->dispose (object);
}
void
gst_svtav1enc_finalize (GObject * object)
{
GstSvtAv1Enc *svtav1enc = GST_SVTAV1ENC (object);
GST_DEBUG_OBJECT (svtav1enc, "finalizing svtav1enc");
GST_OBJECT_LOCK (svtav1enc);
svt_av1_enc_deinit_handle(svtav1enc->svt_encoder);
svtav1enc->svt_encoder = NULL;
g_free (svtav1enc->svt_config);
GST_OBJECT_UNLOCK (svtav1enc);
G_OBJECT_CLASS (gst_svtav1enc_parent_class)->finalize (object);
}
gboolean
gst_svtav1enc_allocate_svt_buffers (GstSvtAv1Enc * svtav1enc)
{
svtav1enc->input_buf = g_malloc (sizeof (EbBufferHeaderType));
if (!svtav1enc->input_buf) {
GST_ERROR_OBJECT (svtav1enc, "insufficient resources");
return FALSE;
}
svtav1enc->input_buf->p_buffer = g_malloc (sizeof (EbSvtIOFormat));
if (!svtav1enc->input_buf->p_buffer) {
GST_ERROR_OBJECT (svtav1enc, "insufficient resources");
return FALSE;
}
memset(svtav1enc->input_buf->p_buffer, 0, sizeof(EbSvtIOFormat));
svtav1enc->input_buf->size = sizeof (EbBufferHeaderType);
svtav1enc->input_buf->p_app_private = NULL;
svtav1enc->input_buf->pic_type = EB_AV1_INVALID_PICTURE;
svtav1enc->input_buf->metadata = NULL;
return TRUE;
}
void
gst_svthevenc_deallocate_svt_buffers (GstSvtAv1Enc * svtav1enc)
{
if (svtav1enc->input_buf) {
g_free (svtav1enc->input_buf->p_buffer);
svtav1enc->input_buf->p_buffer = NULL;
g_free (svtav1enc->input_buf);
svtav1enc->input_buf = NULL;
}
}
gboolean
gst_svtav1enc_configure_svt (GstSvtAv1Enc * svtav1enc)
{
if (!svtav1enc->state) {
GST_WARNING_OBJECT (svtav1enc, "no state, can't configure encoder yet");
return FALSE;
}
/* set properties out of GstVideoInfo */
GstVideoInfo *info = &svtav1enc->state->info;
svtav1enc->svt_config->encoder_bit_depth = GST_VIDEO_INFO_COMP_DEPTH (info, 0);
svtav1enc->svt_config->source_width = GST_VIDEO_INFO_WIDTH (info);
svtav1enc->svt_config->source_height = GST_VIDEO_INFO_HEIGHT (info);
svtav1enc->svt_config->frame_rate_numerator = GST_VIDEO_INFO_FPS_N (info)> 0 ? GST_VIDEO_INFO_FPS_N (info) : 1;
svtav1enc->svt_config->frame_rate_denominator = GST_VIDEO_INFO_FPS_D (info) > 0 ? GST_VIDEO_INFO_FPS_D (info) : 1;
GST_LOG_OBJECT(svtav1enc,
"width %d, height %d, framerate %d",
svtav1enc->svt_config->source_width,
svtav1enc->svt_config->source_height,
svtav1enc->svt_config->frame_rate_numerator / svtav1enc->svt_config->frame_rate_denominator);
/* TODO: better handle HDR metadata when GStreamer will have such support
* https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/issues/400 */
if (GST_VIDEO_INFO_COLORIMETRY (info).matrix == GST_VIDEO_COLOR_MATRIX_BT2020
&& GST_VIDEO_INFO_COMP_DEPTH (info, 0) > 8) {
svtav1enc->svt_config->high_dynamic_range_input = TRUE;
}
EbErrorType res =
svt_av1_enc_set_parameter(svtav1enc->svt_encoder, svtav1enc->svt_config);
if (res != EB_ErrorNone) {
GST_ELEMENT_ERROR (svtav1enc, LIBRARY, INIT, (NULL), ("svt_av1_enc_set_parameter failed with error %d", res));
return FALSE;
}
return TRUE;
}
gboolean
gst_svtav1enc_start_svt (GstSvtAv1Enc * svtav1enc)
{
G_LOCK (init_mutex);
EbErrorType res = svt_av1_enc_init(svtav1enc->svt_encoder);
G_UNLOCK (init_mutex);
if (res != EB_ErrorNone) {
GST_ELEMENT_ERROR (svtav1enc, LIBRARY, INIT, (NULL), ("svt_av1_enc_init failed with error %d", res));
return FALSE;
}
return TRUE;
}
GstFlowReturn
gst_svtav1enc_encode (GstSvtAv1Enc * svtav1enc, GstVideoCodecFrame * frame)
{
GstFlowReturn ret = GST_FLOW_OK;
EbErrorType res = EB_ErrorNone;
EbBufferHeaderType *input_buffer = svtav1enc->input_buf;
EbSvtIOFormat *input_picture_buffer =
(EbSvtIOFormat *) svtav1enc->input_buf->p_buffer;
GstVideoFrame video_frame;
if (!gst_video_frame_map (&video_frame, &svtav1enc->state->info,
frame->input_buffer, GST_MAP_READ)) {
GST_ELEMENT_ERROR (svtav1enc, LIBRARY, ENCODE, (NULL), ("couldn't map input frame"));
return GST_FLOW_ERROR;
}
input_picture_buffer->y_stride =
GST_VIDEO_FRAME_COMP_STRIDE (&video_frame,
0) / GST_VIDEO_FRAME_COMP_PSTRIDE (&video_frame, 0);
input_picture_buffer->cb_stride =
GST_VIDEO_FRAME_COMP_STRIDE (&video_frame,
1) / GST_VIDEO_FRAME_COMP_PSTRIDE (&video_frame, 1);
input_picture_buffer->cr_stride =
GST_VIDEO_FRAME_COMP_STRIDE (&video_frame,
2) / GST_VIDEO_FRAME_COMP_PSTRIDE (&video_frame, 2);
input_picture_buffer->luma = GST_VIDEO_FRAME_PLANE_DATA (&video_frame, 0);
input_picture_buffer->cb = GST_VIDEO_FRAME_PLANE_DATA (&video_frame, 1);
input_picture_buffer->cr = GST_VIDEO_FRAME_PLANE_DATA (&video_frame, 2);
input_buffer->n_filled_len = GST_VIDEO_FRAME_SIZE (&video_frame);
/* Fill in Buffers Header control data */
input_buffer->flags = 0;
input_buffer->p_app_private = NULL;
input_buffer->pts = frame->pts;
input_buffer->pic_type = EB_AV1_INVALID_PICTURE;
if (GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME (frame)) {
input_buffer->pic_type = EB_AV1_KEY_PICTURE;
}
input_buffer->metadata = NULL;
res = svt_av1_enc_send_picture(svtav1enc->svt_encoder, input_buffer);
if (res != EB_ErrorNone) {
GST_ELEMENT_ERROR (svtav1enc, LIBRARY, ENCODE, (NULL), ("error in sending picture to encoder"));
ret = GST_FLOW_ERROR;
}
gst_video_frame_unmap (&video_frame);
return ret;
}
gboolean
gst_svtav1enc_send_eos (GstSvtAv1Enc * svtav1enc)
{
EbErrorType ret = EB_ErrorNone;
EbBufferHeaderType input_buffer;
input_buffer.n_alloc_len = 0;
input_buffer.n_filled_len = 0;
input_buffer.n_tick_count = 0;
input_buffer.p_app_private = NULL;
input_buffer.flags = EB_BUFFERFLAG_EOS;
input_buffer.p_buffer = NULL;
input_buffer.metadata = NULL;
ret = svt_av1_enc_send_picture(svtav1enc->svt_encoder, &input_buffer);
if (ret != EB_ErrorNone) {
GST_ELEMENT_ERROR (svtav1enc, LIBRARY, ENCODE, (NULL), ("couldn't send EOS frame."));
return FALSE;
}
return (ret == EB_ErrorNone);
}
gboolean
gst_svtav1enc_flush (GstVideoEncoder * encoder)
{
GstFlowReturn ret =
gst_svtav1enc_dequeue_encoded_frames (GST_SVTAV1ENC (encoder), TRUE,
FALSE);
return (ret != GST_FLOW_ERROR);
}
GstFlowReturn
gst_svtav1enc_dequeue_encoded_frames (GstSvtAv1Enc * svtav1enc,
gboolean done_sending_pics, gboolean output_frames)
{
GstFlowReturn ret = GST_FLOW_OK;
EbErrorType res = EB_ErrorNone;
gboolean encode_at_eos = FALSE;
do {
GList *pending_frames = NULL;
GstVideoCodecFrame *frame = NULL;
EbBufferHeaderType *output_buf = NULL;
res =
svt_av1_enc_get_packet(svtav1enc->svt_encoder, &output_buf,
done_sending_pics);
if (output_buf != NULL)
encode_at_eos =
((output_buf->flags & EB_BUFFERFLAG_EOS) == EB_BUFFERFLAG_EOS);
if (res == EB_ErrorMax) {
GST_ELEMENT_ERROR (svtav1enc, LIBRARY, ENCODE, (NULL), ("encode failed"));
return GST_FLOW_ERROR;
} else if (res != EB_NoErrorEmptyQueue && output_frames && output_buf) {
// AV1 has no frame re-ordering so always get the oldest frame
frame = gst_video_encoder_get_oldest_frame (GST_VIDEO_ENCODER (svtav1enc));
if (output_buf->pic_type == EB_AV1_KEY_PICTURE
|| output_buf->pic_type == EB_AV1_INTRA_ONLY_PICTURE) {
GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame);
}
frame->output_buffer =
gst_buffer_new_allocate (NULL, output_buf->n_filled_len, NULL);
GST_BUFFER_FLAG_SET(frame->output_buffer, GST_BUFFER_FLAG_LIVE);
gst_buffer_fill (frame->output_buffer, 0,
output_buf->p_buffer, output_buf->n_filled_len);
frame->pts = frame->output_buffer->pts = output_buf->pts;
GST_LOG_OBJECT (svtav1enc, "#frame:%lld pts:%"
G_GINT64_FORMAT " SliceType:%d\n", svtav1enc->frame_count,
(frame->pts), output_buf->pic_type);
svt_av1_enc_release_out_buffer(&output_buf);
output_buf = NULL;
ret = gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (svtav1enc), frame);
if (pending_frames != NULL) {
g_list_free_full (pending_frames,
(GDestroyNotify) gst_video_codec_frame_unref);
}
svtav1enc->frame_count++;
}
} while (res == EB_ErrorNone && !encode_at_eos);
return ret;
}
static gboolean
gst_svtav1enc_stop (GstVideoEncoder * encoder)
{
GstSvtAv1Enc *svtav1enc = GST_SVTAV1ENC (encoder);
GST_DEBUG_OBJECT (svtav1enc, "stop");
GstVideoCodecFrame *remaining_frame = NULL;
while ((remaining_frame =
gst_video_encoder_get_oldest_frame (encoder)) != NULL) {
GST_WARNING_OBJECT (svtav1enc,
"encoder is being stopped, dropping frame %d",
remaining_frame->system_frame_number);
remaining_frame->output_buffer = NULL;
gst_video_encoder_finish_frame (encoder, remaining_frame);
}
GST_OBJECT_LOCK (svtav1enc);
if (svtav1enc->state)
gst_video_codec_state_unref (svtav1enc->state);
svtav1enc->state = NULL;
GST_OBJECT_UNLOCK (svtav1enc);
GST_OBJECT_LOCK (svtav1enc);
svt_av1_enc_deinit(svtav1enc->svt_encoder);
/* Destruct the buffer memory pool */
gst_svthevenc_deallocate_svt_buffers (svtav1enc);
GST_OBJECT_UNLOCK (svtav1enc);
return TRUE;
}
static gboolean
gst_svtav1enc_set_format (GstVideoEncoder * encoder,
GstVideoCodecState * state)
{
GstSvtAv1Enc *svtav1enc = GST_SVTAV1ENC (encoder);
GstClockTime min_latency_frames = 0;
GstCaps *src_caps = NULL;
GstVideoCodecState *output_state;
GST_DEBUG_OBJECT (svtav1enc, "set_format");
if (svtav1enc->state)
gst_video_codec_state_unref (svtav1enc->state);
svtav1enc->state = gst_video_codec_state_ref (state);
gst_svtav1enc_configure_svt (svtav1enc);
gst_svtav1enc_allocate_svt_buffers (svtav1enc);
gst_svtav1enc_start_svt (svtav1enc);
uint32_t fps = svtav1enc->svt_config->frame_rate_numerator /
svtav1enc->svt_config->frame_rate_denominator;
fps = fps > 120 ? 120 : fps;
fps = fps < 24 ? 24 : fps;
min_latency_frames = ((fps * 5) >> 2);
gst_video_encoder_set_latency(encoder,
min_latency_frames * GST_SECOND /
(svtav1enc->svt_config->frame_rate_numerator /
svtav1enc->svt_config->frame_rate_denominator),
-1);
src_caps =
gst_static_pad_template_get_caps (&gst_svtav1enc_src_pad_template);
output_state = gst_video_encoder_set_output_state (GST_VIDEO_ENCODER (encoder), src_caps,
svtav1enc->state);
gst_caps_unref (src_caps);
gst_video_codec_state_unref (output_state);
GST_DEBUG_OBJECT (svtav1enc, "output caps: %" GST_PTR_FORMAT,
svtav1enc->state->caps);
return TRUE;
}
static GstFlowReturn
gst_svtav1enc_handle_frame (GstVideoEncoder * encoder,
GstVideoCodecFrame * frame)
{
GstSvtAv1Enc *svtav1enc = GST_SVTAV1ENC (encoder);
GstFlowReturn ret = GST_FLOW_OK;
GST_DEBUG_OBJECT (svtav1enc, "handle_frame");
ret = gst_svtav1enc_encode (svtav1enc, frame);
if (ret != GST_FLOW_OK) {
GST_DEBUG_OBJECT (svtav1enc, "gst_svtav1enc_encode returned %d", ret);
return ret;
}
return gst_svtav1enc_dequeue_encoded_frames (svtav1enc, FALSE, TRUE);
}
static GstFlowReturn
gst_svtav1enc_finish (GstVideoEncoder * encoder)
{
GstSvtAv1Enc *svtav1enc = GST_SVTAV1ENC (encoder);
GST_DEBUG_OBJECT (svtav1enc, "finish");
gst_svtav1enc_send_eos (svtav1enc);
return gst_svtav1enc_dequeue_encoded_frames (svtav1enc, TRUE, TRUE);
}
static gboolean
gst_svtav1enc_propose_allocation (GstVideoEncoder * encoder, GstQuery * query)
{
GstSvtAv1Enc *svtav1enc = GST_SVTAV1ENC (encoder);
GST_DEBUG_OBJECT (svtav1enc, "propose_allocation");
gst_query_add_allocation_meta(query, GST_VIDEO_META_API_TYPE, NULL);
return GST_VIDEO_ENCODER_CLASS (gst_svtav1enc_parent_class)->propose_allocation (encoder, query);
}
static gboolean
plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "svtav1enc", GST_RANK_SECONDARY,
GST_TYPE_SVTAV1ENC);
}
#ifndef VERSION
#define VERSION "1.0"
#endif
#ifndef PACKAGE
#define PACKAGE "gstreamer-svt-av1"
#endif
#ifndef PACKAGE_NAME
#define PACKAGE_NAME "SVT-AV1 Encoder plugin for GStreamer"
#endif
#ifndef GST_PACKAGE_ORIGIN
#define GST_PACKAGE_ORIGIN "https://gitlab.com/AOMediaCodec"
#endif
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
svtav1enc,
"Scalable Video Technology for AV1 Encoder (SVT-AV1 Encoder)",
plugin_init, VERSION, "LGPL", PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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