[FFmpeg-devel] [PATCH 1/4] avformat/mpegts: use named constants for stream_id types

Marton Balint cus at passwd.hu
Sat Oct 9 18:43:36 EEST 2021



On Wed, 22 Sep 2021, Marton Balint wrote:

> Signed-off-by: Marton Balint <cus at passwd.hu>
> ---
> libavformat/mpegts.c | 19 ++++++++++---------
> 1 file changed, 10 insertions(+), 9 deletions(-)

Will apply the series.

Regards,
Marton

>
> diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
> index da8eee2414..fcb32ecd28 100644
> --- a/libavformat/mpegts.c
> +++ b/libavformat/mpegts.c
> @@ -1126,7 +1126,7 @@ static int mpegts_push_data(MpegTSFilter *filter,
>     PESContext *pes   = filter->u.pes_filter.opaque;
>     MpegTSContext *ts = pes->ts;
>     const uint8_t *p;
> -    int ret, len, code;
> +    int ret, len;
>
>     if (!ts->pkt)
>         return 0;
> @@ -1160,15 +1160,13 @@ static int mpegts_push_data(MpegTSFilter *filter,
>                 if (pes->header[0] == 0x00 && pes->header[1] == 0x00 &&
>                     pes->header[2] == 0x01) {
>                     /* it must be an MPEG-2 PES stream */
> -                    code = pes->header[3] | 0x100;
> -                    av_log(pes->stream, AV_LOG_TRACE, "pid=%x pes_code=%#x\n", pes->pid,
> -                            code);
>                     pes->stream_id = pes->header[3];
> +                    av_log(pes->stream, AV_LOG_TRACE, "pid=%x stream_id=%#x\n", pes->pid, pes->stream_id);
>
>                     if ((pes->st && pes->st->discard == AVDISCARD_ALL &&
>                          (!pes->sub_st ||
>                           pes->sub_st->discard == AVDISCARD_ALL)) ||
> -                        code == 0x1be) /* padding_stream */
> +                        pes->stream_id == STREAM_ID_PADDING_STREAM)
>                         goto skip;
>
>                     /* stream not present in PMT */
> @@ -1196,10 +1194,13 @@ static int mpegts_push_data(MpegTSFilter *filter,
>                     if (!pes->buffer)
>                         return AVERROR(ENOMEM);
>
> -                    if (code != 0x1bc && code != 0x1bf && /* program_stream_map, private_stream_2 */
> -                        code != 0x1f0 && code != 0x1f1 && /* ECM, EMM */
> -                        code != 0x1ff && code != 0x1f2 && /* program_stream_directory, DSMCC_stream */
> -                        code != 0x1f8) {                  /* ITU-T Rec. H.222.1 type E stream */
> +                    if (pes->stream_id != STREAM_ID_PROGRAM_STREAM_MAP &&
> +                        pes->stream_id != STREAM_ID_PRIVATE_STREAM_2 &&
> +                        pes->stream_id != STREAM_ID_ECM_STREAM &&
> +                        pes->stream_id != STREAM_ID_EMM_STREAM &&
> +                        pes->stream_id != STREAM_ID_PROGRAM_STREAM_DIRECTORY &&
> +                        pes->stream_id != STREAM_ID_DSMCC_STREAM &&
> +                        pes->stream_id != STREAM_ID_TYPE_E_STREAM) {
>                         FFStream *const pes_sti = ffstream(pes->st);
>                         pes->state = MPEGTS_PESHEADER;
>                         if (pes->st->codecpar->codec_id == AV_CODEC_ID_NONE && !pes_sti->request_probe) {
> -- 
> 2.31.1
>
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