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avviddec: Don't fallback on allocation failure

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Allocation should keep working, falling back causes the stride to
change which is not supported in direct rendering.

https://bugzilla.gnome.org/show_bug.cgi?id=756028
This commit is contained in:
Nicolas Dufresne 2015-11-07 12:11:57 -05:00
parent 2d94a1cbcc
commit 2a7aaeb3da
1 changed files with 30 additions and 22 deletions
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52
ext/libav/gstavviddec.c
View file

@ -815,7 +815,7 @@ gst_ffmpegviddec_get_buffer2 (AVCodecContext * context, AVFrame * picture,
/* Fill avpicture */
if (!gst_video_frame_map (&dframe->vframe, &ffmpegdec->pool_info,
dframe->buffer, GST_MAP_READWRITE))
goto invalid_frame;
goto map_failed;
dframe->mapped = TRUE;
for (c = 0; c < AV_NUM_DATA_POINTERS; c++) {
@ -850,30 +850,13 @@ gst_ffmpegviddec_get_buffer2 (AVCodecContext * context, AVFrame * picture,
return 0;
/* fallbacks */
no_dr:
{
GST_LOG_OBJECT (ffmpegdec, "direct rendering disabled, fallback alloc");
goto fallback;
}
alloc_failed:
{
/* alloc default buffer when we can't get one from downstream */
GST_LOG_OBJECT (ffmpegdec, "alloc failed, fallback alloc");
goto fallback;
}
invalid_frame:
{
/* alloc default buffer when we can't get one from downstream */
GST_LOG_OBJECT (ffmpegdec, "failed to map frame, fallback alloc");
gst_buffer_replace (&dframe->buffer, NULL);
goto fallback;
}
fallback:
{
int c;
int ret = avcodec_default_get_buffer2 (context, picture, flags);
GST_LOG_OBJECT (ffmpegdec, "direct rendering disabled, fallback alloc");
for (c = 0; c < AV_NUM_DATA_POINTERS; c++) {
ffmpegdec->stride[c] = picture->linesize[c];
}
@ -893,6 +876,21 @@ fallback:
return ret;
}
alloc_failed:
{
GST_ELEMENT_ERROR (ffmpegdec, RESOURCE, FAILED,
("Unable to allocate memory"),
("The downstream pool failed to allocated buffer."));
return -1;
}
map_failed:
{
GST_ELEMENT_ERROR (ffmpegdec, RESOURCE, OPEN_READ_WRITE,
("Cannot access memory for read and write operation."),
("The video memory allocated from downstream pool could not mapped for"
"read and write."));
return -1;
}
duplicate_frame:
{
GST_WARNING_OBJECT (ffmpegdec, "already alloc'ed output buffer for frame");
@ -1227,7 +1225,7 @@ get_output_buffer (GstFFMpegVidDec * ffmpegdec, GstVideoCodecFrame * frame)
info = &ffmpegdec->output_state->info;
if (!gst_video_frame_map (&vframe, info, frame->output_buffer,
GST_MAP_READ | GST_MAP_WRITE))
goto alloc_failed;
goto map_failed;
for (c = 0; c < AV_NUM_DATA_POINTERS; c++) {
if (c < GST_VIDEO_INFO_N_PLANES (info)) {
@ -1255,7 +1253,17 @@ get_output_buffer (GstFFMpegVidDec * ffmpegdec, GstVideoCodecFrame * frame)
/* special cases */
alloc_failed:
{
GST_DEBUG_OBJECT (ffmpegdec, "allocation failed");
GST_ELEMENT_ERROR (ffmpegdec, RESOURCE, FAILED,
("Unable to allocate memory"),
("The downstream pool failed to allocated buffer."));
return ret;
}
map_failed:
{
GST_ELEMENT_ERROR (ffmpegdec, RESOURCE, OPEN_READ_WRITE,
("Cannot access memory for read and write operation."),
("The video memory allocated from downstream pool could not mapped for"
"read and write."));
return ret;
}
not_negotiated: