mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-24 01:00:37 +00:00
codecs: Add new baseclass for VP8 decoder
This implemenation is similar to VP9 but much simpler than it. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1079>
This commit is contained in:
Seungha Yang
GStreamer Merge Bot
parent
5965b6ef85
commit
a89b819191
5 changed files with 723 additions and 1 deletions
393
gst-libs/gst/codecs/gstvp8decoder.c
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393
gst-libs/gst/codecs/gstvp8decoder.c
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@ -0,0 +1,393 @@
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/* GStreamer
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* Copyright (C) 2020 Seungha Yang <seungha@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/**
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* SECTION:gstvp8decoder
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* @title: GstVP8Decoder
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* @short_description: Base class to implement stateless VP8 decoders
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* @sources:
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* - gstvp8picture.h
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "gstvp8decoder.h"
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GST_DEBUG_CATEGORY (gst_vp8_decoder_debug);
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#define GST_CAT_DEFAULT gst_vp8_decoder_debug
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struct _GstVp8DecoderPrivate
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{
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gint width;
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gint height;
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gboolean had_sequence;
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GstVp8Parser parser;
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gboolean wait_keyframe;
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};
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#define parent_class gst_vp8_decoder_parent_class
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G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GstVp8Decoder, gst_vp8_decoder,
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GST_TYPE_VIDEO_DECODER,
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G_ADD_PRIVATE (GstVp8Decoder);
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GST_DEBUG_CATEGORY_INIT (gst_vp8_decoder_debug, "vp8decoder", 0,
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"VP8 Video Decoder"));
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static gboolean gst_vp8_decoder_start (GstVideoDecoder * decoder);
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static gboolean gst_vp8_decoder_stop (GstVideoDecoder * decoder);
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static gboolean gst_vp8_decoder_set_format (GstVideoDecoder * decoder,
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GstVideoCodecState * state);
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static GstFlowReturn gst_vp8_decoder_finish (GstVideoDecoder * decoder);
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static gboolean gst_vp8_decoder_flush (GstVideoDecoder * decoder);
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static GstFlowReturn gst_vp8_decoder_drain (GstVideoDecoder * decoder);
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static GstFlowReturn gst_vp8_decoder_handle_frame (GstVideoDecoder * decoder,
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GstVideoCodecFrame * frame);
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static void
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gst_vp8_decoder_class_init (GstVp8DecoderClass * klass)
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{
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GstVideoDecoderClass *decoder_class = GST_VIDEO_DECODER_CLASS (klass);
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decoder_class->start = GST_DEBUG_FUNCPTR (gst_vp8_decoder_start);
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decoder_class->stop = GST_DEBUG_FUNCPTR (gst_vp8_decoder_stop);
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decoder_class->set_format = GST_DEBUG_FUNCPTR (gst_vp8_decoder_set_format);
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decoder_class->finish = GST_DEBUG_FUNCPTR (gst_vp8_decoder_finish);
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decoder_class->flush = GST_DEBUG_FUNCPTR (gst_vp8_decoder_flush);
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decoder_class->drain = GST_DEBUG_FUNCPTR (gst_vp8_decoder_drain);
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decoder_class->handle_frame =
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GST_DEBUG_FUNCPTR (gst_vp8_decoder_handle_frame);
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}
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static void
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gst_vp8_decoder_init (GstVp8Decoder * self)
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{
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gst_video_decoder_set_packetized (GST_VIDEO_DECODER (self), TRUE);
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self->priv = gst_vp8_decoder_get_instance_private (self);
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}
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static gboolean
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gst_vp8_decoder_start (GstVideoDecoder * decoder)
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{
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GstVp8Decoder *self = GST_VP8_DECODER (decoder);
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GstVp8DecoderPrivate *priv = self->priv;
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gst_vp8_parser_init (&priv->parser);
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priv->wait_keyframe = TRUE;
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return TRUE;
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}
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static void
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gst_vp8_decoder_reset (GstVp8Decoder * self)
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{
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GstVp8DecoderPrivate *priv = self->priv;
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gst_vp8_picture_clear (&self->last_picture);
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gst_vp8_picture_clear (&self->golden_ref_picture);
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gst_vp8_picture_clear (&self->alt_ref_picture);
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priv->wait_keyframe = TRUE;
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}
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static gboolean
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gst_vp8_decoder_stop (GstVideoDecoder * decoder)
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{
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GstVp8Decoder *self = GST_VP8_DECODER (decoder);
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if (self->input_state) {
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gst_video_codec_state_unref (self->input_state);
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self->input_state = NULL;
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}
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gst_vp8_decoder_reset (self);
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return TRUE;
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}
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static gboolean
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gst_vp8_decoder_check_codec_change (GstVp8Decoder * self,
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const GstVp8FrameHdr * frame_hdr)
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{
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GstVp8DecoderPrivate *priv = self->priv;
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gboolean ret = TRUE;
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gboolean changed = FALSE;
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if (priv->width != frame_hdr->width || priv->height != frame_hdr->height) {
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GST_INFO_OBJECT (self, "resolution changed %dx%d", frame_hdr->width,
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frame_hdr->height);
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priv->width = frame_hdr->width;
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priv->height = frame_hdr->height;
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changed = TRUE;
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}
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if (changed || !priv->had_sequence) {
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GstVp8DecoderClass *klass = GST_VP8_DECODER_GET_CLASS (self);
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priv->had_sequence = TRUE;
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if (klass->new_sequence)
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ret = klass->new_sequence (self, frame_hdr);
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}
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return ret;
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}
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static gboolean
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gst_vp8_decoder_set_format (GstVideoDecoder * decoder,
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GstVideoCodecState * state)
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{
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GstVp8Decoder *self = GST_VP8_DECODER (decoder);
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GstVp8DecoderPrivate *priv = self->priv;
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GST_DEBUG_OBJECT (decoder, "Set format");
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if (self->input_state)
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gst_video_codec_state_unref (self->input_state);
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self->input_state = gst_video_codec_state_ref (state);
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priv->width = GST_VIDEO_INFO_WIDTH (&state->info);
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priv->height = GST_VIDEO_INFO_HEIGHT (&state->info);
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return TRUE;
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}
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static gboolean
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gst_vp8_decoder_update_reference (GstVp8Decoder * self, GstVp8Picture * picture)
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{
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GstVp8FrameHdr *frame_hdr = &picture->frame_hdr;
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if (frame_hdr->key_frame) {
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gst_vp8_picture_replace (&self->last_picture, picture);
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gst_vp8_picture_replace (&self->golden_ref_picture, picture);
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gst_vp8_picture_replace (&self->alt_ref_picture, picture);
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goto done;
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}
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if (frame_hdr->refresh_alternate_frame) {
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gst_vp8_picture_replace (&self->alt_ref_picture, picture);
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} else {
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switch (frame_hdr->copy_buffer_to_alternate) {
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case 0:
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/* do nothing */
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break;
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case 1:
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gst_vp8_picture_replace (&self->alt_ref_picture, self->last_picture);
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break;
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case 2:
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gst_vp8_picture_replace (&self->alt_ref_picture,
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self->golden_ref_picture);
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break;
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default:
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GST_WARNING_OBJECT (self, "unrecognized copy_buffer_to_alternate %d",
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frame_hdr->copy_buffer_to_alternate);
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break;
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}
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}
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if (frame_hdr->refresh_golden_frame) {
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gst_vp8_picture_replace (&self->golden_ref_picture, picture);
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} else {
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switch (frame_hdr->copy_buffer_to_golden) {
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case 0:
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/* do nothing */
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break;
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case 1:
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gst_vp8_picture_replace (&self->golden_ref_picture, self->last_picture);
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break;
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case 2:
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gst_vp8_picture_replace (&self->golden_ref_picture,
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self->alt_ref_picture);
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break;
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default:
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GST_WARNING_OBJECT (self, "unrecognized copy_buffer_to_golden %d",
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frame_hdr->copy_buffer_to_alternate);
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break;
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}
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}
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if (frame_hdr->refresh_last)
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gst_vp8_picture_replace (&self->last_picture, picture);
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done:
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gst_vp8_picture_unref (picture);
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return TRUE;
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}
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static GstFlowReturn
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gst_vp8_decoder_finish (GstVideoDecoder * decoder)
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{
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GstVp8Decoder *self = GST_VP8_DECODER (decoder);
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GST_DEBUG_OBJECT (self, "finish");
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gst_vp8_decoder_reset (self);
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return GST_FLOW_OK;
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}
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static gboolean
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gst_vp8_decoder_flush (GstVideoDecoder * decoder)
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{
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GstVp8Decoder *self = GST_VP8_DECODER (decoder);
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GST_DEBUG_OBJECT (self, "flush");
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gst_vp8_decoder_reset (self);
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return TRUE;
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}
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static GstFlowReturn
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gst_vp8_decoder_drain (GstVideoDecoder * decoder)
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{
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GstVp8Decoder *self = GST_VP8_DECODER (decoder);
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GST_DEBUG_OBJECT (self, "drain");
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gst_vp8_decoder_reset (self);
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return GST_FLOW_OK;
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}
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static GstFlowReturn
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gst_vp8_decoder_handle_frame (GstVideoDecoder * decoder,
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GstVideoCodecFrame * frame)
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{
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GstVp8Decoder *self = GST_VP8_DECODER (decoder);
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GstVp8DecoderClass *klass = GST_VP8_DECODER_GET_CLASS (self);
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GstVp8DecoderPrivate *priv = self->priv;
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GstBuffer *in_buf = frame->input_buffer;
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GstMapInfo map;
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GstVp8FrameHdr frame_hdr;
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GstVp8ParserResult pres;
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GstVp8Picture *picture = NULL;
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GST_LOG_OBJECT (self,
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"handle frame, PTS: %" GST_TIME_FORMAT ", DTS: %"
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GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_PTS (in_buf)),
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GST_TIME_ARGS (GST_BUFFER_DTS (in_buf)));
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if (!gst_buffer_map (in_buf, &map, GST_MAP_READ)) {
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GST_ERROR_OBJECT (self, "Cannot map buffer");
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goto error;
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}
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pres = gst_vp8_parser_parse_frame_header (&priv->parser,
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&frame_hdr, map.data, map.size);
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if (pres != GST_VP8_PARSER_OK) {
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GST_ERROR_OBJECT (self, "Cannot parser frame header");
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goto unmap_and_error;
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}
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if (priv->wait_keyframe) {
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if (!frame_hdr.key_frame) {
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GST_DEBUG_OBJECT (self, "Waiting initial keyframe, drop buffer %"
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GST_PTR_FORMAT, in_buf);
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gst_buffer_unmap (in_buf, &map);
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gst_video_decoder_drop_frame (decoder, frame);
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return GST_FLOW_OK;
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}
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}
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priv->wait_keyframe = FALSE;
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if (frame_hdr.key_frame &&
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!gst_vp8_decoder_check_codec_change (self, &frame_hdr)) {
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GST_ERROR_OBJECT (self, "Subclass cannot handle codec change");
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goto unmap_and_error;
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}
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picture = gst_vp8_picture_new ();
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picture->frame_hdr = frame_hdr;
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picture->pts = GST_BUFFER_PTS (in_buf);
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picture->data = map.data;
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picture->size = map.size;
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picture->system_frame_number = frame->system_frame_number;
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if (klass->new_picture) {
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if (!klass->new_picture (self, picture)) {
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GST_ERROR_OBJECT (self, "subclass cannot handle new picture");
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goto unmap_and_error;
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}
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}
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if (klass->start_picture) {
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if (!klass->start_picture (self, picture)) {
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GST_ERROR_OBJECT (self, "subclass cannot handle start picture");
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goto unmap_and_error;
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}
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}
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if (klass->decode_picture) {
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if (!klass->decode_picture (self, picture, &priv->parser)) {
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GST_ERROR_OBJECT (self, "subclass cannot decode current picture");
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goto unmap_and_error;
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}
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}
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if (klass->end_picture) {
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if (!klass->end_picture (self, picture)) {
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GST_ERROR_OBJECT (self, "subclass cannot handle end picture");
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goto unmap_and_error;
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}
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}
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gst_buffer_unmap (in_buf, &map);
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gst_video_codec_frame_set_user_data (frame, gst_vp8_picture_ref (picture),
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(GDestroyNotify) gst_vp8_picture_unref);
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gst_video_codec_frame_unref (frame);
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/* transfer ownership of picture */
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gst_vp8_decoder_update_reference (self, picture);
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g_assert (klass->output_picture);
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return klass->output_picture (self, picture);
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unmap_and_error:
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{
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gst_buffer_unmap (in_buf, &map);
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goto error;
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}
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error:
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{
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GstFlowReturn ret;
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if (picture)
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gst_vp8_picture_unref (picture);
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gst_video_decoder_drop_frame (decoder, frame);
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GST_VIDEO_DECODER_ERROR (self, 1, STREAM, DECODE,
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("Failed to decode data"), (NULL), ret);
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return ret;
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}
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}
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121
gst-libs/gst/codecs/gstvp8decoder.h
Normal file
121
gst-libs/gst/codecs/gstvp8decoder.h
Normal file
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@ -0,0 +1,121 @@
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/* GStreamer
|
||||
* Copyright (C) 2020 Seungha Yang <seungha@centricular.com>
|
||||
*
|
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* 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.
|
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*/
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#ifndef __GST_VP8_DECODER_H__
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#define __GST_VP8_DECODER_H__
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#include <gst/codecs/codecs-prelude.h>
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#include <gst/video/video.h>
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#include <gst/codecparsers/gstvp8parser.h>
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#include <gst/codecs/gstvp8picture.h>
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G_BEGIN_DECLS
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#define GST_TYPE_VP8_DECODER (gst_vp8_decoder_get_type())
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#define GST_VP8_DECODER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VP8_DECODER,GstVp8Decoder))
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#define GST_VP8_DECODER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VP8_DECODER,GstVp8DecoderClass))
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#define GST_VP8_DECODER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_VP8_DECODER,GstVp8DecoderClass))
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#define GST_IS_VP8_DECODER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VP8_DECODER))
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#define GST_IS_VP8_DECODER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VP8_DECODER))
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#define GST_VP8_DECODER_CAST(obj) ((GstVP8Decoder*)obj)
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typedef struct _GstVp8Decoder GstVp8Decoder;
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typedef struct _GstVp8DecoderClass GstVp8DecoderClass;
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typedef struct _GstVp8DecoderPrivate GstVp8DecoderPrivate;
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|
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/**
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* GstVp8Decoder:
|
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*
|
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* The opaque #GstVp8Decoder data structure.
|
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*/
|
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struct _GstVp8Decoder
|
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{
|
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/*< private >*/
|
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GstVideoDecoder parent;
|
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|
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/*< protected >*/
|
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GstVideoCodecState * input_state;
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|
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/* reference frames */
|
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GstVp8Picture *last_picture;
|
||||
GstVp8Picture *golden_ref_picture;
|
||||
GstVp8Picture *alt_ref_picture;
|
||||
|
||||
/*< private >*/
|
||||
GstVp8DecoderPrivate *priv;
|
||||
gpointer padding[GST_PADDING_LARGE];
|
||||
};
|
||||
|
||||
/**
|
||||
* GstVp8DecoderClass:
|
||||
* @new_sequence: Notifies subclass of SPS update
|
||||
* @new_picture: Optional.
|
||||
* Called whenever new #GstVp8Picture is created.
|
||||
* Subclass can set implementation specific user data
|
||||
* on the #GstVp8Picture via gst_vp8_picture_set_user_data()
|
||||
* @start_picture: Optional.
|
||||
* Called per one #GstVp8Picture to notify subclass to prepare
|
||||
* decoding process for the #GstVp8Picture
|
||||
* @decode_slice: Provides per slice data with parsed slice header and
|
||||
* required raw bitstream for subclass to decode it
|
||||
* @end_picture: Optional.
|
||||
* Called per one #GstVp8Picture to notify subclass to finish
|
||||
* decoding process for the #GstVp8Picture
|
||||
* @output_picture: Called with a #GstVp8Picture which is required to be outputted.
|
||||
* Subclass can retrieve parent #GstVideoCodecFrame by using
|
||||
* gst_video_decoder_get_frame() with system_frame_number
|
||||
* and the #GstVideoCodecFrame must be consumed by subclass via
|
||||
* gst_video_decoder_{finish,drop,release}_frame().
|
||||
*/
|
||||
struct _GstVp8DecoderClass
|
||||
{
|
||||
GstVideoDecoderClass parent_class;
|
||||
|
||||
gboolean (*new_sequence) (GstVp8Decoder * decoder,
|
||||
const GstVp8FrameHdr * frame_hdr);
|
||||
|
||||
gboolean (*new_picture) (GstVp8Decoder * decoder,
|
||||
GstVp8Picture * picture);
|
||||
|
||||
gboolean (*start_picture) (GstVp8Decoder * decoder,
|
||||
GstVp8Picture * picture);
|
||||
|
||||
gboolean (*decode_picture) (GstVp8Decoder * decoder,
|
||||
GstVp8Picture * picture,
|
||||
GstVp8Parser * parser);
|
||||
|
||||
gboolean (*end_picture) (GstVp8Decoder * decoder,
|
||||
GstVp8Picture * picture);
|
||||
|
||||
GstFlowReturn (*output_picture) (GstVp8Decoder * decoder,
|
||||
GstVp8Picture * picture);
|
||||
|
||||
/*< private >*/
|
||||
gpointer padding[GST_PADDING_LARGE];
|
||||
};
|
||||
|
||||
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstVp8Decoder, gst_object_unref)
|
||||
|
||||
GST_CODECS_API
|
||||
GType gst_vp8_decoder_get_type (void);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GST_VP8_DECODER_H__ */
|
||||
104
gst-libs/gst/codecs/gstvp8picture.c
Normal file
104
gst-libs/gst/codecs/gstvp8picture.c
Normal file
|
|
@ -0,0 +1,104 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) 2020 Seungha Yang <seungha@centricular.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.
|
||||
*/
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include <config.h>
|
||||
#endif
|
||||
|
||||
#include "gstvp8picture.h"
|
||||
|
||||
GST_DEBUG_CATEGORY_EXTERN (gst_vp8_decoder_debug);
|
||||
#define GST_CAT_DEFAULT gst_vp8_decoder_debug
|
||||
|
||||
GST_DEFINE_MINI_OBJECT_TYPE (GstVp8Picture, gst_vp8_picture);
|
||||
|
||||
static void
|
||||
_gst_vp8_picture_free (GstVp8Picture * picture)
|
||||
{
|
||||
GST_TRACE ("Free picture %p", picture);
|
||||
|
||||
if (picture->notify)
|
||||
picture->notify (picture->user_data);
|
||||
|
||||
g_free (picture);
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_vp8_picture_new:
|
||||
*
|
||||
* Create new #GstVp8Picture
|
||||
*
|
||||
* Returns: a new #GstVp8Picture
|
||||
*/
|
||||
GstVp8Picture *
|
||||
gst_vp8_picture_new (void)
|
||||
{
|
||||
GstVp8Picture *pic;
|
||||
|
||||
pic = g_new0 (GstVp8Picture, 1);
|
||||
pic->pts = GST_CLOCK_TIME_NONE;
|
||||
|
||||
gst_mini_object_init (GST_MINI_OBJECT_CAST (pic), 0,
|
||||
GST_TYPE_VP8_PICTURE, NULL, NULL,
|
||||
(GstMiniObjectFreeFunction) _gst_vp8_picture_free);
|
||||
|
||||
GST_TRACE ("New picture %p", pic);
|
||||
|
||||
return pic;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_vp8_picture_set_user_data:
|
||||
* @picture: a #GstVp8Picture
|
||||
* @user_data: private data
|
||||
* @notify: (closure user_data): a #GDestroyNotify
|
||||
*
|
||||
* Sets @user_data on the picture and the #GDestroyNotify that will be called when
|
||||
* the picture is freed.
|
||||
*
|
||||
* If a @user_data was previously set, then the previous set @notify will be called
|
||||
* before the @user_data is replaced.
|
||||
*/
|
||||
void
|
||||
gst_vp8_picture_set_user_data (GstVp8Picture * picture, gpointer user_data,
|
||||
GDestroyNotify notify)
|
||||
{
|
||||
g_return_if_fail (GST_IS_VP8_PICTURE (picture));
|
||||
|
||||
if (picture->notify)
|
||||
picture->notify (picture->user_data);
|
||||
|
||||
picture->user_data = user_data;
|
||||
picture->notify = notify;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_vp8_picture_get_user_data:
|
||||
* @picture: a #GstVp8Picture
|
||||
*
|
||||
* Gets private data set on the picture via
|
||||
* gst_vp8_picture_set_user_data() previously.
|
||||
*
|
||||
* Returns: (transfer none): The previously set user_data
|
||||
*/
|
||||
gpointer
|
||||
gst_vp8_picture_get_user_data (GstVp8Picture * picture)
|
||||
{
|
||||
return picture->user_data;
|
||||
}
|
||||
98
gst-libs/gst/codecs/gstvp8picture.h
Normal file
98
gst-libs/gst/codecs/gstvp8picture.h
Normal file
|
|
@ -0,0 +1,98 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) 2020 Seungha Yang <seungha@centricular.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.
|
||||
*/
|
||||
|
||||
#ifndef __GST_VP8_PICTURE_H__
|
||||
#define __GST_VP8_PICTURE_H__
|
||||
|
||||
#include <gst/codecs/codecs-prelude.h>
|
||||
#include <gst/codecparsers/gstvp8parser.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
#define GST_TYPE_VP8_PICTURE (gst_vp8_picture_get_type())
|
||||
#define GST_IS_VP8_PICTURE(obj) (GST_IS_MINI_OBJECT_TYPE(obj, GST_TYPE_VP8_PICTURE))
|
||||
#define GST_VP8_PICTURE(obj) ((GstVp8Picture *)obj)
|
||||
#define GST_VP8_PICTURE_CAST(obj) (GST_VP8_PICTURE(obj))
|
||||
|
||||
typedef struct _GstVp8Picture GstVp8Picture;
|
||||
|
||||
struct _GstVp8Picture
|
||||
{
|
||||
GstMiniObject parent;
|
||||
|
||||
GstClockTime pts;
|
||||
/* From GstVideoCodecFrame */
|
||||
guint32 system_frame_number;
|
||||
|
||||
GstVp8FrameHdr frame_hdr;
|
||||
|
||||
/* raw data and size (does not have ownership) */
|
||||
const guint8 * data;
|
||||
gsize size;
|
||||
|
||||
gpointer user_data;
|
||||
GDestroyNotify notify;
|
||||
};
|
||||
|
||||
GST_CODECS_API
|
||||
GType gst_vp8_picture_get_type (void);
|
||||
|
||||
GST_CODECS_API
|
||||
GstVp8Picture * gst_vp8_picture_new (void);
|
||||
|
||||
static inline GstVp8Picture *
|
||||
gst_vp8_picture_ref (GstVp8Picture * picture)
|
||||
{
|
||||
return (GstVp8Picture *) gst_mini_object_ref (GST_MINI_OBJECT_CAST (picture));
|
||||
}
|
||||
|
||||
static inline void
|
||||
gst_vp8_picture_unref (GstVp8Picture * picture)
|
||||
{
|
||||
gst_mini_object_unref (GST_MINI_OBJECT_CAST (picture));
|
||||
}
|
||||
|
||||
static inline gboolean
|
||||
gst_vp8_picture_replace (GstVp8Picture ** old_picture,
|
||||
GstVp8Picture * new_picture)
|
||||
{
|
||||
return gst_mini_object_replace ((GstMiniObject **) old_picture,
|
||||
(GstMiniObject *) new_picture);
|
||||
}
|
||||
|
||||
static inline void
|
||||
gst_vp8_picture_clear (GstVp8Picture ** picture)
|
||||
{
|
||||
if (picture && *picture) {
|
||||
gst_vp8_picture_unref (*picture);
|
||||
*picture = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
GST_CODECS_API
|
||||
void gst_vp8_picture_set_user_data (GstVp8Picture * picture,
|
||||
gpointer user_data,
|
||||
GDestroyNotify notify);
|
||||
|
||||
GST_CODECS_API
|
||||
gpointer gst_vp8_picture_get_user_data (GstVp8Picture * picture);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GST_VP8_PICTURE_H__ */
|
||||
|
|
@ -5,6 +5,8 @@ codecs_sources = files([
|
|||
'gsth265picture.c',
|
||||
'gstvp9decoder.c',
|
||||
'gstvp9picture.c',
|
||||
'gstvp8decoder.c',
|
||||
'gstvp8picture.c',
|
||||
])
|
||||
|
||||
codecs_headers = [
|
||||
|
|
@ -14,6 +16,8 @@ codecs_headers = [
|
|||
'gsth265picture.h',
|
||||
'gstvp9decoder.h',
|
||||
'gstvp9picture.h',
|
||||
'gstvp8decoder.h',
|
||||
'gstvp8picture.h',
|
||||
]
|
||||
|
||||
cp_args = [
|
||||
|
|
@ -46,7 +50,9 @@ if build_gir
|
|||
extra_args : gir_init_section + ['-DGST_USE_UNSTABLE_API'] +
|
||||
['--c-include=gst/codecs/gsth264decoder.h',
|
||||
'--c-include=gst/codecs/gsth265decoder.h',
|
||||
'--c-include=gst/codecs/gstvp9decoder.h', ],
|
||||
'--c-include=gst/codecs/gstvp9decoder.h',
|
||||
'--c-include=gst/codecs/gstvp8decoder.h',
|
||||
],
|
||||
dependencies : [gstvideo_dep, gstcodecparsers_dep]
|
||||
)
|
||||
endif
|
||||
|
|
|
|||
Loading…
Reference in a new issue