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 AVDVProfile *	av_dv_frame_profile (const AVDVProfile *sys, const uint8_t *frame, unsigned buf_size)
	Get a DV profile for the provided compressed frame. More...
const AVDVProfile *	av_dv_codec_profile (int width, int height, enum AVPixelFormat pix_fmt)
	Get a DV profile for the provided stream parameters. More...
const AVDVProfile *	av_dv_codec_profile2 (int width, int height, enum AVPixelFormat pix_fmt, AVRational frame_rate)
	Get a DV profile for the provided stream parameters. More...

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_produce_packet(), dv_read_header(), and ff_dv_frame_profile().

Function Documentation

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

sys	the profile used for the previous frame, may be NULL
frame	the compressed data buffer
buf_size	size of the buffer in bytes

Returns

the DV profile for the supplied data or NULL on failure

Definition at line 300 of file dv_profile.c.

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

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 306 of file dv_profile.c.

const AVDVProfile* av_dv_codec_profile2	(	int	width,
		int	height,
		enum AVPixelFormat	pix_fmt,
		AVRational	frame_rate
	)

Get a DV profile for the provided stream parameters.

The frame rate is used as a best-effort parameter.

Definition at line 316 of file dv_profile.c.

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