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recommit of 

promote avpicture_alloc to public interface patch by (Drew Hess <dhess at ilm dot com>)

Originally committed as revision 2351 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Drew Hess 2003-10-11 08:18:05 +00:00 committed by Michael Niedermayer
parent 86a7e11502
commit 75917b887b
2 changed files with 16 additions and 2 deletions
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14
libavcodec/avcodec.h
View File

@ -1524,6 +1524,20 @@ void img_resample(ImgReSampleContext *s,
void img_resample_close(ImgReSampleContext *s); void img_resample_close(ImgReSampleContext *s);
/**
* Allocate memory for a picture. Call avpicture_free to free it.
*
* @param picture the picture to be filled in.
* @param pix_fmt the format of the picture.
* @param width the width of the picture.
* @param height the height of the picture.
* @return 0 if successful, -1 if not.
*/
int avpicture_alloc(AVPicture *picture, int pix_fmt, int width, int height);
/* Free a picture previously allocated by avpicture_alloc. */
void avpicture_free(AVPicture *picture);
int avpicture_fill(AVPicture *picture, uint8_t *ptr, int avpicture_fill(AVPicture *picture, uint8_t *ptr,
int pix_fmt, int width, int height); int pix_fmt, int width, int height);
int avpicture_layout(const AVPicture* src, int pix_fmt, int width, int height, int avpicture_layout(const AVPicture* src, int pix_fmt, int width, int height,

4
libavcodec/imgconvert.c
View File

@ -1613,7 +1613,7 @@ static ConvertEntry convert_table[PIX_FMT_NB][PIX_FMT_NB] = {
}, },
}; };
static int avpicture_alloc(AVPicture *picture, int avpicture_alloc(AVPicture *picture,
int pix_fmt, int width, int height) int pix_fmt, int width, int height)
{ {
unsigned int size; unsigned int size;
@ -1630,7 +1630,7 @@ static int avpicture_alloc(AVPicture *picture,
return -1; return -1;
} }
static void avpicture_free(AVPicture *picture) void avpicture_free(AVPicture *picture)
{ {
av_free(picture->data[0]); av_free(picture->data[0]);
} }