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Separate video specific BufferRef properties into VideoProps.

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Define a new struct AVFilterBufferRefVideoProps and add a type field
to AVFilterBufferRef.

Video specific properties in AVFilterBufferRefVideoProps are now
referred to by *video pointer in AVFilterBufferRef.

Patch by S.N. Hemanth Meenakshisundaram smeenaks->ucsd.edu.

Originally committed as revision 24763 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
S.N. Hemanth Meenakshisundaram
2010-08-11 11:06:04 +00:00
committed by Stefano Sabatini
parent fd7b11d027
commit cc80caff52
10 changed files with 59 additions and 42 deletions
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34
libavfilter/avfilter.h
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@@ -25,7 +25,7 @@
#include "libavutil/avutil.h"
#define LIBAVFILTER_VERSION_MAJOR 1
#define LIBAVFILTER_VERSION_MINOR 31
#define LIBAVFILTER_VERSION_MINOR 32
#define LIBAVFILTER_VERSION_MICRO 0
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
@@ -88,6 +88,20 @@ typedef struct AVFilterBuffer
#define AV_PERM_REUSE 0x08 ///< can output the buffer multiple times, with the same contents each time
#define AV_PERM_REUSE2 0x10 ///< can output the buffer multiple times, modified each time
/**
* Video specific properties in a reference to an AVFilterBuffer. Since
* AVFilterBufferRef is common to different media formats, video specific
* per reference properties must be separated out.
*/
typedef struct AVFilterBufferRefVideoProps
{
int w; ///< image width
int h; ///< image height
AVRational pixel_aspect; ///< pixel aspect ratio
int interlaced; ///< is frame interlaced
int top_field_first; ///< field order
} AVFilterBufferRefVideoProps;
/**
* A reference to an AVFilterBuffer. Since filters can manipulate the origin of
* a buffer to, for example, crop image without any memcpy, the buffer origin
@@ -101,19 +115,15 @@ typedef struct AVFilterBufferRef
AVFilterBuffer *buf; ///< the buffer that this is a reference to
uint8_t *data[4]; ///< picture data for each plane
int linesize[4]; ///< number of bytes per line
int w; ///< image width
int h; ///< image height
int format; ///< media format
int64_t pts; ///< presentation timestamp in units of 1/AV_TIME_BASE
int64_t pos; ///< byte position in stream, -1 if unknown
AVRational pixel_aspect; ///< pixel aspect ratio
int perms; ///< permissions, see the AV_PERM_* flags
int interlaced; ///< is frame interlaced
int top_field_first;
enum AVMediaType type; ///< media type of buffer data
AVFilterBufferRefVideoProps *video; ///< video buffer specific properties
} AVFilterBufferRef;
/**
@@ -122,13 +132,13 @@ typedef struct AVFilterBufferRef
*/
static inline void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, AVFilterBufferRef *src)
{
// copy common properties
dst->pts = src->pts;
dst->pos = src->pos;
dst->pixel_aspect = src->pixel_aspect;
dst->interlaced = src->interlaced;
dst->top_field_first = src->top_field_first;
dst->w = src->w;
dst->h = src->h;
switch (src->type) {
case AVMEDIA_TYPE_VIDEO: *dst->video = *src->video; break;
}
}
/**