[Ffmpeg-devel] [PATCH] C93 demuxer and decoder (GSoC qualification task)
Thu Apr 5 18:19:19 CEST 2007
Anssi Hannula wrote:
> As my Google Summer of Code qualification task, attached is a patch
> which adds C93  demuxer and video decoder to FFmpeg. The samples from
> samples.mplayerhq.hu can be properly played out with it.
> I'm not too familiar with FFmpeg codebase yet, though, so there could be
> some silly mistakes in the code ;). Please review it.
>  http://wiki.multimedia.cx/index.php?title=C93
I had some time today, so I implemented the suggestions... Attached is a
new version of the patch.
In addition to the suggested ones, I also made these changes:
- moved addition of audio streams to c93_read_packet() as some .c93
files do not have audio
- set time_base of AVStream instead of AVCodecContext's, and set
duration and start_time in AVStream, so that correct file duration is
- always allocate the AVPacket with space for palette to avoid seeking
- fix palette endianness
- some cleaning of the non-predictive modes
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