libavcodec/internal.h File Reference

common internal api header. More...

#include <stdint.h>
#include "avcodec.h"

Go to the source code of this file.

Functions

int ff_is_hwaccel_pix_fmt (enum PixelFormat pix_fmt)
 Determines whether pix_fmt is a hardware accelerated format.
AVHWAccelff_find_hwaccel (enum CodecID codec_id, enum PixelFormat pix_fmt)
 Returns the hardware accelerated codec for codec codec_id and pixel format pix_fmt.
int ff_match_2uint16 (const uint16_t(*tab)[2], int size, int a, int b)
 Return the index into tab at which {a,b} match elements {[0],[1]} of tab.


Detailed Description

common internal api header.

Definition in file internal.h.


Function Documentation

AVHWAccel* ff_find_hwaccel ( enum CodecID  codec_id,
enum PixelFormat  pix_fmt 
)

Returns the hardware accelerated codec for codec codec_id and pixel format pix_fmt.

Parameters:
codec_id the codec to match
pix_fmt the pixel format to match
Returns:
the hardware accelerated codec, or NULL if none was found.

Definition at line 1273 of file utils.c.

Referenced by decode_slice_header(), ff_h263_decode_init(), vc1_decode_init(), and vcr2_init_sequence().

int ff_is_hwaccel_pix_fmt ( enum PixelFormat  pix_fmt  ) 

Determines whether pix_fmt is a hardware accelerated format.

Definition at line 449 of file imgconvert.c.

Referenced by avcodec_default_get_format().

int ff_match_2uint16 ( const uint16_t(*)  tab[2],
int  size,
int  a,
int  b 
)

Return the index into tab at which {a,b} match elements {[0],[1]} of tab.

If there is no such matching pair then size is returned.

Definition at line 1230 of file utils.c.

Referenced by h263_encode_picture_header(), MPV_encode_init(), and svq1_write_header().


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