[FFmpeg-devel] [PATCH] HAM6/HAM8 support for IFF demuxer/decoder
Thu May 6 20:50:25 CEST 2010
Sebastian Vater wrote:
>>> Just a short question regarding this...is avcodec/decode_init called
>>> _before_ avformat/read_packet?
>> That question doesn't make sense. They are completely independent.
> Nope, because both call ff_cmap_read_palette, while ff_cmap_read_palette
> accesses avctx->priv_data, which contains the local structure for the
> transfered extradata.
> In case decode_init is run after read_packet this structure hasn't been
> initialized yet, since that's done in decode_init.
The FFmpeg demuxer might be used without the FFmpeg decoder, or the
FFmpeg decoder might be used without the FFmpeg demuxer. You don't want
to cause a segfault if a user chooses to use the libraries this way.
More information about the ffmpeg-devel