[FFmpeg-trac] #8769(avcodec:new): FFmpge crash when use VideoToolBox to encode frames
FFmpeg
trac at avcodec.org
Wed Jul 1 11:47:30 EEST 2020
#8769: FFmpge crash when use VideoToolBox to encode frames
---------------------------------+--------------------------------------
Reporter: yxibng | Type: defect
Status: new | Priority: critical
Component: avcodec | Version: git-master
Keywords: crash | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 1 |
---------------------------------+--------------------------------------
Summary of the bug:
How to reproduce:
{{{
static void vtenc_output_callback(
void *ctx,
void *sourceFrameCtx,
OSStatus status,
VTEncodeInfoFlags flags,
CMSampleBufferRef sample_buffer)
{
AVCodecContext *avctx = ctx;
VTEncContext *vtctx = avctx->priv_data;
ExtraSEI *sei = sourceFrameCtx;
if (vtctx->async_error) {
if(sample_buffer) CFRelease(sample_buffer); //This line cause
crash, should remove
return;
}
if (status) {
av_log(avctx, AV_LOG_ERROR, "Error encoding frame: %d\n",
(int)status);
set_async_error(vtctx, AVERROR_EXTERNAL);
return;
}
if (!sample_buffer) {
return;
}
if (!avctx->extradata && (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER))
{
int set_status = set_extradata(avctx, sample_buffer);
if (set_status) {
set_async_error(vtctx, set_status);
return;
}
}
vtenc_q_push(vtctx, sample_buffer, sei);
}
}}}
Patches should be submitted to the ffmpeg-devel mailing list and not this
bug tracker.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/8769>
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