dvenc.c File Reference

#include <time.h>
#include "libavutil/time_internal.h"
#include "avformat.h"
#include "libavcodec/dv_profile.h"
#include "libavcodec/dv.h"
#include "dv.h"
#include "mux.h"
#include "libavutil/avassert.h"
#include "libavutil/fifo.h"
#include "libavutil/mathematics.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/timecode.h"

Go to the source code of this file.

Data Structures
struct	DVMuxContext

Macros
#define	MAX_AUDIO_FRAME_SIZE   192000

Functions
static void	brktimegm (time_t secs, struct tm *tm)
static int	dv_audio_frame_size (const AVDVProfile *sys, int frame, int sample_rate)
static int	dv_write_pack (enum dv_pack_type pack_id, DVMuxContext *c, uint8_t *buf, int channel, int seq)
static void	dv_inject_audio (DVMuxContext *c, int channel, uint8_t *frame_ptr)
static void	dv_inject_metadata (DVMuxContext *c, uint8_t *frame)
static int	dv_assemble_frame (AVFormatContext *s, DVMuxContext *c, AVStream *st, const uint8_t *data, int data_size, uint8_t **frame)
static DVMuxContext *	dv_init_mux (AVFormatContext *s)
static int	dv_write_header (AVFormatContext *s)
static int	dv_write_packet (struct AVFormatContext *s, AVPacket *pkt)
static void	dv_deinit (AVFormatContext *s)

Variables
static const int	dv_aaux_packs_dist [12][9]
const AVOutputFormat	ff_dv_muxer

Macro Definition Documentation

MAX_AUDIO_FRAME_SIZE

#define MAX_AUDIO_FRAME_SIZE   192000

Definition at line 44 of file dvenc.c.

Function Documentation

brktimegm()

static void brktimegm ( time_t  secs, struct tm *  tm  )

static

Definition at line 75 of file dvenc.c.

Referenced by dv_write_pack().

dv_audio_frame_size()

static int dv_audio_frame_size ( const AVDVProfile *  sys, int  frame, int  sample_rate  )

static

Definition at line 83 of file dvenc.c.

Referenced by dv_assemble_frame(), dv_inject_audio(), and dv_write_pack().

dv_write_pack()

static int dv_write_pack ( enum dv_pack_type  pack_id, DVMuxContext *  c, uint8_t *  buf, int  channel, int  seq  )

static

Definition at line 97 of file dvenc.c.

Referenced by dv_inject_audio(), and dv_inject_metadata().

dv_inject_audio()

static void dv_inject_audio ( DVMuxContext *  c, int  channel, uint8_t *  frame_ptr  )

static

Definition at line 189 of file dvenc.c.

Referenced by dv_assemble_frame().

dv_inject_metadata()

static void dv_inject_metadata ( DVMuxContext *  c, uint8_t *  frame  )

static

Definition at line 212 of file dvenc.c.

Referenced by dv_assemble_frame().

dv_assemble_frame()

static int dv_assemble_frame ( AVFormatContext *  s, DVMuxContext *  c, AVStream *  st, const uint8_t *  data, int  data_size, uint8_t **  frame  )

static

Definition at line 246 of file dvenc.c.

Referenced by dv_write_packet().

dv_init_mux()

static DVMuxContext* dv_init_mux ( AVFormatContext *  s )

static

Definition at line 311 of file dvenc.c.

Referenced by dv_write_header().

dv_write_header()

static int dv_write_header ( AVFormatContext *  s )

static

Definition at line 389 of file dvenc.c.

dv_write_packet()

static int dv_write_packet ( struct AVFormatContext *  s, AVPacket *  pkt  )

static

Definition at line 417 of file dvenc.c.

dv_deinit()

static void dv_deinit ( AVFormatContext *  s )

static

Definition at line 437 of file dvenc.c.

Variable Documentation

dv_aaux_packs_dist

const int dv_aaux_packs_dist[12][9]

static

Initial value:

= {
    { 0xff, 0xff, 0xff, 0x50, 0x51, 0x52, 0x53, 0xff, 0xff },
    { 0x50, 0x51, 0x52, 0x53, 0xff, 0xff, 0xff, 0xff, 0xff },
    { 0xff, 0xff, 0xff, 0x50, 0x51, 0x52, 0x53, 0xff, 0xff },
    { 0x50, 0x51, 0x52, 0x53, 0xff, 0xff, 0xff, 0xff, 0xff },
    { 0xff, 0xff, 0xff, 0x50, 0x51, 0x52, 0x53, 0xff, 0xff },
    { 0x50, 0x51, 0x52, 0x53, 0xff, 0xff, 0xff, 0xff, 0xff },
    { 0xff, 0xff, 0xff, 0x50, 0x51, 0x52, 0x53, 0xff, 0xff },
    { 0x50, 0x51, 0x52, 0x53, 0xff, 0xff, 0xff, 0xff, 0xff },
    { 0xff, 0xff, 0xff, 0x50, 0x51, 0x52, 0x53, 0xff, 0xff },
    { 0x50, 0x51, 0x52, 0x53, 0xff, 0xff, 0xff, 0xff, 0xff },
    { 0xff, 0xff, 0xff, 0x50, 0x51, 0x52, 0x53, 0xff, 0xff },
    { 0x50, 0x51, 0x52, 0x53, 0xff, 0xff, 0xff, 0xff, 0xff },
}

Definition at line 60 of file dvenc.c.

Referenced by dv_inject_audio().

ff_dv_muxer

const AVOutputFormat ff_dv_muxer

Initial value:

= {
    .name              = "dv",
    .long_name         = NULL_IF_CONFIG_SMALL("DV (Digital Video)"),
    .extensions        = "dv",
    .priv_data_size    = sizeof(DVMuxContext),
    .audio_codec       = AV_CODEC_ID_PCM_S16LE,
    .video_codec       = AV_CODEC_ID_DVVIDEO,
    .write_header      = dv_write_header,
    .write_packet      = dv_write_packet,
    .deinit            = dv_deinit,
}

Definition at line 445 of file dvenc.c.