RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-12-25 08:42:39 +00:00
Code Issues Projects Releases Wiki Activity

Rework link property configuration system.

Browse Source 
This can now handle filters which are added to graphs out of order,
including auto-inserted scale filters.  As an added bonus, it can
now detect circular filter chains which wouldn't work anyway.

Commited in SoC by Bobby Bingham on 2007-12-24 03:22:10

Originally committed as revision 12107 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak 2008-02-15 22:14:25 +00:00
parent 3afcca9dfd
commit 24c4eff657
1 changed files with 10 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
libavfilter/avfilter.h
View File

@ -381,6 +381,13 @@ struct AVFilterLink
AVFilterContext *dst; ///< dest filter
unsigned int dstpad; ///< index of the input pad on the dest filter
/** stage of the initialization of the link properties (dimensions, etc) */
enum {
AVLINK_UNINIT = 0, ///< not started
AVLINK_STARTINIT, ///< started, but incomplete
AVLINK_INIT ///< complete
} init_state;
int w; ///< agreed upon image width
int h; ///< agreed upon image height
enum PixelFormat format; ///< agreed upon image colorspace
@ -418,11 +425,11 @@ int avfilter_link(AVFilterContext *src, unsigned srcpad,
AVFilterContext *dst, unsigned dstpad);
/**
* Negotiate the colorspace, dimensions, etc of a link
* @param link The link to negotiate the properties of
* Negotiate the colorspace, dimensions, etc of all inputs to a filter.
* @param filter The filter to negotiate the properties for its inputs
* @return Zero on successful negotiation
*/
int avfilter_config_link(AVFilterLink *link);
int avfilter_config_links(AVFilterContext *filter);
/**
* Request a picture buffer with a specific set of permissions