[FFmpeg-devel] [PATCH 1/2] lavf/matroska: Add functions for WebM DASH Manifest

Vignesh Venkatasubramanian vigneshv at google.com
Mon Jul 7 20:53:40 CEST 2014


On Mon, Jul 7, 2014 at 11:32 AM, wm4 <nfxjfg at googlemail.com> wrote:
> On Mon, 7 Jul 2014 09:27:22 -0700
> Vignesh Venkatasubramanian <vigneshv at google.com> wrote:
>
>> >> +static int webm_dash_manifest_read_packet(AVFormatContext *s, AVPacket *pkt)
>> >> +{
>> >> +    return AVERROR_EOF;
>> >> +}
>> >
>> > Shouldn't this return packets? Maybe I'm misunderstanding the purpose
>> > of this code.
>> >
>>
>> the point of this demuxer is to read certain metadata and pass it
>> along to the muxer so that it can generate the manifest XML. for this
>> purpose, it does not have to read any packets from the file at all,
>> just the headers will do. so we don't return any packets.
>
> I see... well, I hope there will be a ffmpeg native demuxer for this
> too? Maybe it could be made a condition for merging the muxer.

i'm not sure what you mean by a ffmpeg native demuxer. can you please
elaborate a little more?

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-- 
Vignesh


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