[FFmpeg-devel] [PATCH] Resize AVFilterBuffer data pointers, linesizes. Adjust pic refs to use only four.
Michael Niedermayer
michaelni
Thu Jul 22 13:41:56 CEST 2010
On Thu, Jul 22, 2010 at 01:15:23AM -0700, S.N. Hemanth Meenakshisundaram wrote:
> Splitting out the AVFilterBuffer data[4] -> data[8], linesize[4] ->
> linsesize[8] patch separately as requested. Patch also has the fix to
> avfilter_get_video_buffer that is required to adjust for this. Patch now
> works with make lavfitest and make test when applied on top of latest
> svn revision (r24294).
>
> ---
> libavfilter/avfilter.h | 4 ++--
> libavfilter/defaults.c | 16 +++++++++++-----
> 2 files changed, 13 insertions(+), 7 deletions(-)
>
>
>
> avfilter.h | 4 ++--
> defaults.c | 16 +++++++++++-----
> 2 files changed, 13 insertions(+), 7 deletions(-)
> ea6500130cae103756bee2d2ddd8e23fc879fa3b 0001-Resize-AVFilterBuffer-data-pointers-linesizes.-Adjus.patch
> diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
> index 066bdc3..a9bec02 100644
> --- a/libavfilter/avfilter.h
> +++ b/libavfilter/avfilter.h
> @@ -66,8 +66,8 @@ typedef struct AVFilterPad AVFilterPad;
> */
> typedef struct AVFilterBuffer
> {
> - uint8_t *data[4]; ///< buffer data for each plane
> - int linesize[4]; ///< number of bytes per line
> + uint8_t *data[8]; ///< buffer data for each plane
> + int linesize[8]; ///< number of bytes per line
> int format; ///< media format
>
> unsigned refcount; ///< number of references to this buffer
> diff --git a/libavfilter/defaults.c b/libavfilter/defaults.c
> index 27c8a3b..4253bb3 100644
> --- a/libavfilter/defaults.c
> +++ b/libavfilter/defaults.c
> @@ -38,6 +38,8 @@ AVFilterPicRef *avfilter_default_get_video_buffer(AVFilterLink *link, int perms,
> AVFilterPicRef *ref = av_mallocz(sizeof(AVFilterPicRef));
> int i, tempsize;
> char *buf;
> + /* first four plane pointers and last four linesizes are unused for video */
> + uint8_t *newpic = (uint8_t *)pic + 4*sizeof(uint8_t *);
this is a ugly hack, the first 4 plane pointers should be used for video
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
When you are offended at any man's fault, turn to yourself and study your
own failings. Then you will forget your anger. -- Epictetus
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