[FFmpeg-devel] [RFC] libavfilter audio framework - split patches

Stefano Sabatini stefano.sabatini-lala
Sun Jul 18 02:01:53 CEST 2010


On date Saturday 2010-07-17 16:41:36 -0700, S.N. Hemanth Meenakshisundaram encoded:
> On 07/17/2010 12:28 PM, Michael Niedermayer wrote:
> > On Sat, Jul 17, 2010 at 09:22:55PM +0200, Stefano Sabatini wrote:
> >   
> >> On date Friday 2010-07-16 01:01:39 -0700, S.N. Hemanth Meenakshisundaram encoded:
> >>     
> >>> On 07/16/2010 01:00 AM, S.N. Hemanth Meenakshisundaram wrote:
> >>>       
> >>>
> >>> diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
> >>> index c8db36f..50b558e 100644
> >>> --- a/libavfilter/avfilter.h
> >>> +++ b/libavfilter/avfilter.h
> >>> @@ -71,7 +71,7 @@ typedef struct AVFilterBuffer
> >>>  {
> >>>      uint8_t *data[4];           ///< picture data for each plane
> >>>      int linesize[4];            ///< number of bytes per line
> >>> -    enum PixelFormat format;    ///< colorspace
> >>> +    int format;                 ///< colorspace
> >>>       
> >> Update docs, that may say: colorspace or sample format
> >>
> >> Also I'm not very happy about the use of an int. What about something
> >> like this:
> >>
> >> struct AVFilterBuffer
> >> {
> >>    enum AVMediaType type;
> >>    ...
> >>
> >>    union {
> >>        enum PixelFormat  video_format;
> >>        enum SampleFormat audio_format;
> >>     
> >                                 ^^^^^^^
> > unneeded?
> >   
> 
> format is indeed unneeded in the AVFilterBuffer struct.
> AVFilterSamplesref already has a sample_fmt field that is used in the
> filters. However, AVFilterPicRef currently has no pix_fmt field. Also
> vsrc_buffer and vf_overlay currently use this field in AVFilterBuffer.

If this is really unneeded then removing format from AVFilterBuffer
may be a good idea, but wait to hear from Michael what he suggests.

> These need to be patched before I can remove the format field in
> AVFilterBuffer and add a pix_fmt to AVFilterPicRef struct.
> 
> Can I patch those filters?

Regards.



More information about the ffmpeg-devel mailing list