[FFmpeg-devel] [PATCH 3/3] avformat/mpegts: include stream types for mpeg2 and aac

[Hendrik Leppkes]

On Tue, Jun 14, 2016 at 8:08 PM, Aman Gupta <ffmpeg at tmm1.net> wrote:
> From: Aman Gupta <aman at tmm1.net>
>
> this removes the need to probe to discover mpeg2 and aac streams
> inside mpegts containers, thus speeding up initial playback.
> ---
>  libavformat/mpegts.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
> index 6acb797..f46984d 100644
> --- a/libavformat/mpegts.c
> +++ b/libavformat/mpegts.c
> @@ -700,6 +700,7 @@ static const StreamType ISO_types[] = {
>      { 0x11, AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_AAC_LATM   }, /* LATM syntax */
>  #endif
>      { 0x1b, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_H264       },
> +    { 0x1c, AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_AAC        },
>      { 0x20, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_H264       },
>      { 0x21, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_JPEG2000   },
>      { 0x24, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_HEVC       },

I can see 1c in the latest spec for AAC audio, so thats probably fine.

> @@ -726,6 +727,7 @@ static const StreamType HDMV_types[] = {
>
>  /* ATSC ? */
>  static const StreamType MISC_types[] = {
> +    { 0x80, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_MPEG2VIDEO },
>      { 0x81, AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_AC3 },
>      { 0x8a, AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_DTS },
>      { 0 },

However, are there any specs that outline this value?

> --
> 2.8.1
>
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