- ctx->extra_data_size = len + 12;
- AV_WB32(ctx->extra_data, len);
- AV_WL32(ctx->extra_data+4, tag);
- AV_WB32(ctx->extra_data+8, st->codecpar->width);
- AV_WB32(ctx->extra_data+12, st->codecpar->height);
- if ((ret = avio_read(pb, ctx->extra_data+16, 9)) < 0)
+ st->codecpar->extradata_size = len + 12;
+ AV_WB32(st->codecpar->extradata, len);
+ AV_WL32(st->codecpar->extradata+4, tag);
+ AV_WB32(st->codecpar->extradata+8, st->codecpar->width);
+ AV_WB32(st->codecpar->extradata+12, st->codecpar->height);
+ if ((ret = avio_read(pb, st->codecpar->extradata+16, 9)) < 0)