On Mon, Mar 06, 2017 at 10:23:14AM -0800, Aman Gupta wrote:
> From: Aman Gupta <a...@tmm1.net>
>
> ---
> libavcodec/mpeg12dec.c | 38 ++++++++++++++++++++++++++++++++++++++
> 1 file changed, 38 insertions(+)
>
> diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c
> index 27db14c..8cafdb0 100644
> --- a/libavcodec/mpeg12dec.c
> +++ b/libavcodec/mpeg12dec.c
> @@ -2260,6 +2260,44 @@ static int mpeg_decode_a53_cc(AVCodecContext *avctx,
> avctx->properties |= FF_CODEC_PROPERTY_CLOSED_CAPTIONS;
> }
> return 1;
> + } else if (buf_size >= 2 &&
> + p[0] == 0x03 && (p[1]&0x7f) == 0x01) {
> + /* extract SCTE-20 CC data */
> + GetBitContext gb;
> + int cc_count = 0;
> + int i;
> +
> + init_get_bits(&gb, p + 2, buf_size - 2);
> + cc_count = get_bits(&gb, 5);
> + if (cc_count > 0) {
> + av_freep(&s1->a53_caption);
> + s1->a53_caption_size = cc_count * 3;
> + s1->a53_caption = av_malloc(s1->a53_caption_size);
> + if (s1->a53_caption) {a53_caption_size should be reset to 0 if allocation fails to keep the fields consistent [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB In fact, the RIAA has been known to suggest that students drop out of college or go to community college in order to be able to afford settlements. -- The RIAA
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