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lavc/videotoolboxenc: skip SEI allocation when side data is not present 

Signed-off-by: Rick Kern <kernrj@gmail.com>
This commit is contained in:
Aman Gupta 2016-10-18 16:44:33 -07:00 committed by Rick Kern
parent 47ee6f1a59
commit f45d5e07dd
1 changed files with 3 additions and 1 deletions
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4
libavcodec/videotoolboxenc.c
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@ -2019,6 +2019,7 @@ static int vtenc_send_frame(AVCodecContext *avctx,
CMTime time;
CFDictionaryRef frame_dict;
CVPixelBufferRef cv_img = NULL;
AVFrameSideData *side_data = NULL;
ExtraSEI *sei = NULL;
int status = create_cv_pixel_buffer(avctx, frame, &cv_img);
@ -2030,7 +2031,8 @@ static int vtenc_send_frame(AVCodecContext *avctx,
return status;
}
if (vtctx->a53_cc) {
side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_A53_CC);
if (vtctx->a53_cc && side_data && side_data->size) {
sei = av_mallocz(sizeof(*sei));
if (!sei) {
av_log(avctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");