[FFmpeg-devel] [PATCH 09/12] lavf/mxfenc: support creating s436m data tracks

[Baptiste Coudurier]

Hi Marton,

On Wed, Jul 4, 2018 at 1:38 PM, Marton Balint <cus at passwd.hu> wrote:

>
>
> On Wed, 4 Jul 2018, Baptiste Coudurier wrote:
>
> ---
>> libavformat/mxf.c    |  1 +
>> libavformat/mxfdec.c |  3 +++
>> libavformat/mxfenc.c | 41 +++++++++++++++++++++++++++++++++++++----
>> libavformat/utils.c  |  6 +++++-
>> 4 files changed, 46 insertions(+), 5 deletions(-)
>>
>> diff --git a/libavformat/mxf.c b/libavformat/mxf.c
>> index 8376a2b9bf..451cbcfb2c 100644
>> --- a/libavformat/mxf.c
>> +++ b/libavformat/mxf.c
>> @@ -28,6 +28,7 @@
>> const MXFCodecUL ff_mxf_data_definition_uls[] = {
>>     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x02,0x01,0x00,0x00,0x00
>> }, 13, AVMEDIA_TYPE_VIDEO },
>>     { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x02,0x02,0x00,0x00,0x00
>> }, 13, AVMEDIA_TYPE_AUDIO },
>> +    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x02,0x03,0x00,0x00,0x00
>> }, 13, AVMEDIA_TYPE_DATA },
>>     { { 0x80,0x7D,0x00,0x60,0x08,0x14,0x3E,0x6F,0x6F,0x3C,0x8C,0xE1,0x6C,0xEF,0x11,0xD2
>> }, 16, AVMEDIA_TYPE_VIDEO }, /* LegacyPicture Avid Media Composer MXF */
>>     { { 0x80,0x7D,0x00,0x60,0x08,0x14,0x3E,0x6F,0x78,0xE1,0xEB,0xE1,0x6C,0xEF,0x11,0xD2
>> }, 16, AVMEDIA_TYPE_AUDIO }, /* LegacySound Avid Media Composer MXF */
>>     { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
>> },  0,  AVMEDIA_TYPE_DATA },
>> diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
>> index 8c417aea26..3f443bbbc9 100644
>> --- a/libavformat/mxfdec.c
>> +++ b/libavformat/mxfdec.c
>> @@ -3291,6 +3291,9 @@ static int mxf_set_pts(MXFContext *mxf, AVStream
>> *st, AVPacket *pkt, int64_t nex
>>         int ret = mxf_set_audio_pts(mxf, par, pkt);
>>         if (ret < 0)
>>             return ret;
>> +    } else {
>> +        pkt->dts = pkt->pts = mxf->current_edit_unit;
>> +        pkt->duration = 1;
>>     }
>>     return 0;
>> }
>>
>
> Sorry, my clip wrapping patches I just committed conflicted with your work
> here, you should use something like this for this hunk:
>
> --- a/libavformat/mxfdec.c
> +++ b/libavformat/mxfdec.c
> @@ -3298,6 +3298,8 @@ static int mxf_set_pts(MXFContext *mxf, AVStream
> *st, AVPacket *pkt)
>          if (ret < 0)
>              return ret;
>      } else if (track) {
> +        pkt->dts = pkt->pts = track->sample_count;
> +        pkt->duration = 1;
>          track->sample_count++;
>      }
>      return 0;
>
> Thanks,
> Marton
>

No worries, I'll just rebase.

-- 
Baptiste Coudurier