generic-library/ffmpeg
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Adopt a hierarchical name scheme for the imgutils.h API. Simplify

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grepping and somewhat more consistent with the scheme adopted by other
FFmpeg modules API.

Originally committed as revision 25057 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2010-09-07 19:15:17 +00:00
parent 4906e7b507
commit 9b7269e379
3 changed files with 68 additions and 12 deletions
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10
libavcore/avcore.h
View File

@ -27,7 +27,7 @@
#include "libavutil/avutil.h"
#define LIBAVCORE_VERSION_MAJOR 0
#define LIBAVCORE_VERSION_MINOR 6
#define LIBAVCORE_VERSION_MINOR 7
#define LIBAVCORE_VERSION_MICRO 0
#define LIBAVCORE_VERSION_INT AV_VERSION_INT(LIBAVCORE_VERSION_MAJOR, \
@ -55,4 +55,12 @@ const char *avcore_configuration(void);
*/
const char *avcore_license(void);
/**
* Those FF_API_* defines are not part of public API.
* They may change, break or disappear at any time.
*/
#ifndef FF_API_OLD_IMAGE_NAMES
#define FF_API_OLD_IMAGE_NAMES (LIBAVCORE_VERSION_MAJOR < 1)
#endif
#endif /* AVCORE_AVCORE_H */

43
libavcore/imgutils.c
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@ -24,7 +24,7 @@
#include "imgutils.h"
#include "libavutil/pixdesc.h"
void av_fill_image_max_pixsteps(int max_pixsteps[4], int max_pixstep_comps[4],
void av_image_fill_max_pixsteps(int max_pixsteps[4], int max_pixstep_comps[4],
const AVPixFmtDescriptor *pixdesc)
{
int i;
@ -42,7 +42,7 @@ void av_fill_image_max_pixsteps(int max_pixsteps[4], int max_pixstep_comps[4],
}
}
int av_get_image_linesize(enum PixelFormat pix_fmt, int width, int plane)
int av_image_get_linesize(enum PixelFormat pix_fmt, int width, int plane)
{
const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
int max_step [4]; /* max pixel step for each plane */
@ -52,12 +52,12 @@ int av_get_image_linesize(enum PixelFormat pix_fmt, int width, int plane)
if (desc->flags & PIX_FMT_BITSTREAM)
return (width * (desc->comp[0].step_minus1+1) + 7) >> 3;
av_fill_image_max_pixsteps(max_step, max_step_comp, desc);
av_image_fill_max_pixsteps(max_step, max_step_comp, desc);
s = (max_step_comp[plane] == 1 || max_step_comp[plane] == 2) ? desc->log2_chroma_w : 0;
return max_step[plane] * (((width + (1 << s) - 1)) >> s);
}
int av_fill_image_linesizes(int linesizes[4], enum PixelFormat pix_fmt, int width)
int av_image_fill_linesizes(int linesizes[4], enum PixelFormat pix_fmt, int width)
{
int i;
const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
@ -74,7 +74,7 @@ int av_fill_image_linesizes(int linesizes[4], enum PixelFormat pix_fmt, int widt
return 0;
}
av_fill_image_max_pixsteps(max_step, max_step_comp, desc);
av_image_fill_max_pixsteps(max_step, max_step_comp, desc);
for (i = 0; i < 4; i++) {
int s = (max_step_comp[i] == 1 || max_step_comp[i] == 2) ? desc->log2_chroma_w : 0;
linesizes[i] = max_step[i] * (((width + (1 << s) - 1)) >> s);
@ -83,7 +83,7 @@ int av_fill_image_linesizes(int linesizes[4], enum PixelFormat pix_fmt, int widt
return 0;
}
int av_fill_image_pointers(uint8_t *data[4], enum PixelFormat pix_fmt, int height,
int av_image_fill_pointers(uint8_t *data[4], enum PixelFormat pix_fmt, int height,
uint8_t *ptr, const int linesizes[4])
{
int i, total_size, size[4], has_plane[4];
@ -128,7 +128,7 @@ typedef struct ImgUtils {
static const AVClass imgutils_class = { "IMGUTILS", av_default_item_name, NULL, LIBAVUTIL_VERSION_INT, offsetof(ImgUtils, log_offset), offsetof(ImgUtils, log_ctx) };
int av_check_image_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx)
int av_image_check_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx)
{
ImgUtils imgutils = { &imgutils_class, log_offset, log_ctx };
@ -138,3 +138,32 @@ int av_check_image_size(unsigned int w, unsigned int h, int log_offset, void *lo
av_log(&imgutils, AV_LOG_ERROR, "Picture size %ux%u is invalid\n", w, h);
return AVERROR(EINVAL);
}
#if FF_API_OLD_IMAGE_NAMES
void av_fill_image_max_pixsteps(int max_pixsteps[4], int max_pixstep_comps[4],
const AVPixFmtDescriptor *pixdesc)
{
av_image_fill_max_pixsteps(max_pixsteps, max_pixstep_comps, pixdesc);
}
int av_get_image_linesize(enum PixelFormat pix_fmt, int width, int plane)
{
return av_image_get_linesize(pix_fmt, width, plane);
}
int av_fill_image_linesizes(int linesizes[4], enum PixelFormat pix_fmt, int width)
{
return av_image_fill_linesizes(linesizes, pix_fmt, width);
}
int av_fill_image_pointers(uint8_t *data[4], enum PixelFormat pix_fmt, int height,
uint8_t *ptr, const int linesizes[4])
{
return av_image_fill_pointers(data, pix_fmt, height, ptr, linesizes);
}
int av_check_image_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx)
{
return av_image_check_size(w, h, log_offset, log_ctx);
}
#endif

27
libavcore/imgutils.h
View File

@ -43,7 +43,7 @@
* @param max_pixstep_comps an array which is filled with the component
* for each plane which has the max pixel step. May be NULL.
*/
void av_fill_image_max_pixsteps(int max_pixsteps[4], int max_pixstep_comps[4],
void av_image_fill_max_pixsteps(int max_pixsteps[4], int max_pixstep_comps[4],
const AVPixFmtDescriptor *pixdesc);
/**
@ -52,7 +52,7 @@ void av_fill_image_max_pixsteps(int max_pixsteps[4], int max_pixstep_comps[4],
*
* @return the computed size in bytes
*/
int av_get_image_linesize(enum PixelFormat pix_fmt, int width, int plane);
int av_image_get_linesize(enum PixelFormat pix_fmt, int width, int plane);
/**
* Fill plane linesizes for an image with pixel format pix_fmt and
@ -61,7 +61,7 @@ int av_get_image_linesize(enum PixelFormat pix_fmt, int width, int plane);
* @param linesizes array to be filled with the linesize for each plane
* @return >= 0 in case of success, a negative error code otherwise
*/
int av_fill_image_linesizes(int linesizes[4], enum PixelFormat pix_fmt, int width);
int av_image_fill_linesizes(int linesizes[4], enum PixelFormat pix_fmt, int width);
/**
* Fill plane data pointers for an image with pixel format pix_fmt and
@ -74,7 +74,7 @@ int av_fill_image_linesizes(int linesizes[4], enum PixelFormat pix_fmt, int widt
* @return the size in bytes required for the image buffer, a negative
* error code in case of failure
*/
int av_fill_image_pointers(uint8_t *data[4], enum PixelFormat pix_fmt, int height,
int av_image_fill_pointers(uint8_t *data[4], enum PixelFormat pix_fmt, int height,
uint8_t *ptr, const int linesizes[4]);
/**
@ -87,6 +87,25 @@ int av_fill_image_pointers(uint8_t *data[4], enum PixelFormat pix_fmt, int heigh
* @param log_ctx the parent logging context, it may be NULL
* @return >= 0 if valid, a negative error code otherwise
*/
int av_image_check_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx);
#if FF_API_OLD_IMAGE_NAMES
attribute_deprecated
void av_fill_image_max_pixsteps(int max_pixsteps[4], int max_pixstep_comps[4],
const AVPixFmtDescriptor *pixdesc);
attribute_deprecated
int av_get_image_linesize(enum PixelFormat pix_fmt, int width, int plane);
attribute_deprecated
int av_fill_image_linesizes(int linesizes[4], enum PixelFormat pix_fmt, int width);
attribute_deprecated
int av_fill_image_pointers(uint8_t *data[4], enum PixelFormat pix_fmt, int height,
uint8_t *ptr, const int linesizes[4]);
attribute_deprecated
int av_check_image_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx);
#endif
#endif /* AVCORE_IMGUTILS_H */