#if 0
// These properties are required to make QT recognize the chapter track
uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
- track->enc->extradata = av_malloc(sizeof(chapter_properties));
- if (track->enc->extradata == NULL)
+ if (ff_alloc_extradata(track->enc, sizeof(chapter_properties)))
return AVERROR(ENOMEM);
- track->enc->extradata_size = sizeof(chapter_properties);
memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
#else
if (avio_open_dyn_buf(&pb) >= 0) {