[FFmpeg-devel] [PATCH 3/3] lavf/cavsvideodec: Add GuangDian profile support

[mypopy at gmail.com]

On Mon, May 2, 2022 at 1:15 PM "zhilizhao(赵志立)" <quinkblack at foxmail.com> wrote:
>
>
>
> > On May 2, 2022, at 11:36 AM, Jun Zhao <mypopydev at gmail.com> wrote:
> >
> > From: Jun Zhao <barryjzhao at tencent.com>
> >
> > Enable the Guangdian profile support
> >
> > Signed-off-by: Jun Zhao <barryjzhao at tencent.com>
> > ---
> > libavformat/cavsvideodec.c | 5 +++--
> > 1 file changed, 3 insertions(+), 2 deletions(-)
> >
> > diff --git a/libavformat/cavsvideodec.c b/libavformat/cavsvideodec.c
> > index 1fa3aa5e92..437ad544d3 100644
> > --- a/libavformat/cavsvideodec.c
> > +++ b/libavformat/cavsvideodec.c
> > @@ -29,6 +29,7 @@
> > #define CAVS_PIC_PB_START_CODE    0x000001b6
> > #define CAVS_VIDEO_EDIT_CODE      0x000001b7
> > #define CAVS_PROFILE_JIZHUN       0x20
> > +#define CAVS_PROFILE_GUANGDIAN    0x48
>
> Maybe add a comment here that ‘GUANGDIAN' is broadcasting profile.
>
Applied the patchset and add the comment, thx
> >
> > static int cavsvideo_probe(const AVProbeData *p)
> > {
> > @@ -50,7 +51,7 @@ static int cavsvideo_probe(const AVProbeData *p)
> >             if (code == CAVS_SEQ_START_CODE) {
> >                 seq++;
> >                 /* check for the only currently supported profile */
> > -                if (*ptr != CAVS_PROFILE_JIZHUN)
> > +                if (*ptr != CAVS_PROFILE_JIZHUN && *ptr != CAVS_PROFILE_GUANGDIAN)
> >                     return 0;
> >             } else if ((code == CAVS_PIC_I_START_CODE) ||
> >                        (code == CAVS_PIC_PB_START_CODE)) {
> > @@ -66,4 +67,4 @@ static int cavsvideo_probe(const AVProbeData *p)
> >     return 0;
> > }
> >
> > -FF_DEF_RAWVIDEO_DEMUXER(cavsvideo, "raw Chinese AVS (Audio Video Standard)", cavsvideo_probe, NULL, AV_CODEC_ID_CAVS)
> > +FF_DEF_RAWVIDEO_DEMUXER(cavsvideo, "raw Chinese AVS (Audio Video Standard)", cavsvideo_probe, "avs", AV_CODEC_ID_CAVS)
> > --
> > 2.25.1