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Data Structures | Macros | Functions
dv_profile.h File Reference
#include <stdint.h>
#include "libavutil/pixfmt.h"
#include "libavutil/rational.h"
#include "avcodec.h"

Go to the source code of this file.

Data Structures

struct  AVDVProfile
 

Macros

#define DV_PROFILE_BYTES   (6*80) /* 6 DIF blocks */
 

Functions

const AVDVProfileavpriv_dv_frame_profile2 (AVCodecContext *codec, const AVDVProfile *sys, const uint8_t *frame, unsigned buf_size)
 
const AVDVProfileav_dv_frame_profile (const AVDVProfile *sys, const uint8_t *frame, unsigned buf_size)
 Get a DV profile for the provided compressed frame.
 
const AVDVProfileav_dv_codec_profile (int width, int height, enum AVPixelFormat pix_fmt)
 Get a DV profile for the provided stream parameters.
 

Macro Definition Documentation

#define DV_PROFILE_BYTES   (6*80) /* 6 DIF blocks */

Definition at line 30 of file dv_profile.h.

Referenced by avpriv_dv_frame_profile2(), avpriv_dv_produce_packet(), and dv_read_header().

Function Documentation

const AVDVProfile* avpriv_dv_frame_profile2 ( AVCodecContext codec,
const AVDVProfile sys,
const uint8_t frame,
unsigned  buf_size 
)

Definition at line 268 of file dv_profile.c.

Referenced by av_dv_frame_profile(), and dvvideo_decode_frame().

const AVDVProfile* av_dv_frame_profile ( const AVDVProfile sys,
const uint8_t frame,
unsigned  buf_size 
)

Get a DV profile for the provided compressed frame.

Parameters
systhe profile used for the previous frame, may be NULL
framethe compressed data buffer
buf_sizesize of the buffer in bytes
Returns
the DV profile for the supplied data or NULL on failure

Definition at line 309 of file dv_profile.c.

Referenced by avpriv_dv_produce_packet(), and dv_read_header().

const AVDVProfile* av_dv_codec_profile ( int  width,
int  height,
enum AVPixelFormat  pix_fmt 
)

Get a DV profile for the provided stream parameters.

Definition at line 315 of file dv_profile.c.

Referenced by dv_frame_offset(), dv_init_mux(), and dvvideo_encode_init().