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ffmpegviddec: Always keep a reference to the frame

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Ensures no data gets cleared before the decoders are really done
with it.
This commit is contained in:
Edward Hervey 2012-04-26 18:56:35 +02:00
parent 6d2b483e15
commit f0a411235a
1 changed files with 7 additions and 12 deletions
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19
ext/ffmpeg/gstffmpegviddec.c
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@ -624,8 +624,6 @@ gst_ffmpegviddec_get_buffer (AVCodecContext * context, AVFrame * picture)
* picture back from ffmpeg we can use this to correctly timestamp the output
* buffer */
picture->reordered_opaque = context->reordered_opaque;
/* make sure we don't free the buffer when it's not ours */
picture->opaque = NULL;
frame =
gst_video_decoder_get_frame (GST_VIDEO_DECODER (ffmpegdec),
@ -633,6 +631,8 @@ gst_ffmpegviddec_get_buffer (AVCodecContext * context, AVFrame * picture)
if (G_UNLIKELY (frame == NULL))
goto no_frame;
picture->opaque = frame;
if (!ffmpegdec->current_dr) {
GST_LOG_OBJECT (ffmpegdec, "direct rendering disabled, fallback alloc");
res = avcodec_default_get_buffer (context, picture);
@ -694,7 +694,6 @@ gst_ffmpegviddec_get_buffer (AVCodecContext * context, AVFrame * picture)
* the opaque data. */
picture->type = FF_BUFFER_TYPE_USER;
picture->age = 256 * 256 * 256 * 64;
picture->opaque = gst_video_codec_frame_ref (frame);
GST_LOG_OBJECT (ffmpegdec, "returned frame %p", frame->output_buffer);
@ -713,17 +712,16 @@ gst_ffmpegviddec_release_buffer (AVCodecContext * context, AVFrame * picture)
GstFFMpegVidDec *ffmpegdec;
ffmpegdec = (GstFFMpegVidDec *) context->opaque;
frame = (GstVideoCodecFrame *) picture->opaque;
GST_DEBUG_OBJECT (ffmpegdec, "release frame %d", frame->system_frame_number);
/* check if it was our buffer */
if (picture->opaque == NULL) {
if (picture->type != FF_BUFFER_TYPE_USER) {
GST_DEBUG_OBJECT (ffmpegdec, "default release buffer");
avcodec_default_release_buffer (context, picture);
return;
}
/* we remove the opaque data now */
frame = (GstVideoCodecFrame *) picture->opaque;
GST_DEBUG_OBJECT (ffmpegdec, "release frame %d", frame->system_frame_number);
picture->opaque = NULL;
gst_video_codec_frame_unref (frame);
@ -909,7 +907,6 @@ get_output_buffer (GstFFMpegVidDec * ffmpegdec, GstVideoCodecFrame * frame)
GstVideoInfo *info;
gint c;
GST_LOG_OBJECT (ffmpegdec, "get output buffer");
ret = alloc_output_buffer (ffmpegdec, frame);
@ -1055,9 +1052,7 @@ gst_ffmpegviddec_video_frame (GstFFMpegVidDec * ffmpegdec,
goto beach;
/* get the output picture timing info again */
out_frame =
gst_video_decoder_get_frame (GST_VIDEO_DECODER (ffmpegdec),
(int) ffmpegdec->picture->reordered_opaque);
out_frame = ffmpegdec->picture->opaque;
GST_DEBUG_OBJECT (ffmpegdec,
"pts %" G_GUINT64_FORMAT " duration %" G_GUINT64_FORMAT,
@ -1140,7 +1135,7 @@ gst_ffmpegviddec_video_frame (GstFFMpegVidDec * ffmpegdec,
/* mark as keyframe or delta unit */
if (ffmpegdec->picture->top_field_first)
GST_VIDEO_CODEC_FRAME_FLAG_SET (frame, GST_VIDEO_CODEC_FRAME_FLAG_TFF);
GST_VIDEO_CODEC_FRAME_FLAG_SET (out_frame, GST_VIDEO_CODEC_FRAME_FLAG_TFF);
*ret =