amvenc.c File Reference

#include "avformat.h"
#include "mux.h"
#include "riff.h"
#include "internal.h"
#include "avio_internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/avassert.h"

Go to the source code of this file.

Data Structures
struct	AMVContext

Macros
#define	AMV_STREAM_COUNT   2
#define	AMV_STREAM_VIDEO   0
#define	AMV_STREAM_AUDIO   1
#define	AMV_VIDEO_STRH_SIZE   56
#define	AMV_VIDEO_STRF_SIZE   36
#define	AMV_AUDIO_STRH_SIZE   48
#define	AMV_AUDIO_STRF_SIZE   20 /* sizeof(WAVEFORMATEX) + 2 */

Functions
static int64_t	amv_start_tag (AVIOContext *pb, const char *tag)
static void	amv_end_tag (AVIOContext *pb, int64_t start)
static av_cold int	amv_init (AVFormatContext *s)
static void	amv_deinit (AVFormatContext *s)
static void	amv_write_vlist (AVFormatContext *s, AVCodecParameters *par)
static void	amv_write_alist (AVFormatContext *s, AVCodecParameters *par)
static int	amv_write_header (AVFormatContext *s)
static int	amv_write_packet_internal (AVFormatContext *s, AVPacket *pkt)
static int	amv_pad (AVFormatContext *s, AVPacket *pkt)
static int	amv_write_packet (AVFormatContext *s, AVPacket *pkt)
static int	amv_write_trailer (AVFormatContext *s)

Variables
const FFOutputFormat	ff_amv_muxer

Macro Definition Documentation

AMV_STREAM_COUNT

#define AMV_STREAM_COUNT   2

Definition at line 47 of file amvenc.c.

AMV_STREAM_VIDEO

#define AMV_STREAM_VIDEO   0

Definition at line 48 of file amvenc.c.

AMV_STREAM_AUDIO

#define AMV_STREAM_AUDIO   1

Definition at line 49 of file amvenc.c.

AMV_VIDEO_STRH_SIZE

#define AMV_VIDEO_STRH_SIZE   56

Definition at line 50 of file amvenc.c.

AMV_VIDEO_STRF_SIZE

#define AMV_VIDEO_STRF_SIZE   36

Definition at line 51 of file amvenc.c.

AMV_AUDIO_STRH_SIZE

#define AMV_AUDIO_STRH_SIZE   48

Definition at line 52 of file amvenc.c.

AMV_AUDIO_STRF_SIZE

#define AMV_AUDIO_STRF_SIZE   20 /* sizeof(WAVEFORMATEX) + 2 */

Definition at line 53 of file amvenc.c.

Function Documentation

amv_start_tag()

static int64_t amv_start_tag ( AVIOContext *  pb, const char *  tag  )

static

Definition at line 77 of file amvenc.c.

Referenced by amv_write_alist(), amv_write_header(), and amv_write_vlist().

amv_end_tag()

static void amv_end_tag ( AVIOContext *  pb, int64_t  start  )

static

Definition at line 84 of file amvenc.c.

Referenced by amv_write_alist(), amv_write_header(), amv_write_trailer(), and amv_write_vlist().

amv_init()

static av_cold int amv_init ( AVFormatContext *  s )

static

Definition at line 94 of file amvenc.c.

amv_deinit()

static void amv_deinit ( AVFormatContext *  s )

static

Definition at line 201 of file amvenc.c.

amv_write_vlist()

static void amv_write_vlist ( AVFormatContext *  s, AVCodecParameters *  par  )

static

Definition at line 208 of file amvenc.c.

Referenced by amv_write_header().

amv_write_alist()

static void amv_write_alist ( AVFormatContext *  s, AVCodecParameters *  par  )

static

Definition at line 227 of file amvenc.c.

Referenced by amv_write_header().

amv_write_header()

static int amv_write_header ( AVFormatContext *  s )

static

Definition at line 257 of file amvenc.c.

amv_write_packet_internal()

static int amv_write_packet_internal ( AVFormatContext *  s, AVPacket *  pkt  )

static

Definition at line 294 of file amvenc.c.

Referenced by amv_pad(), amv_write_packet(), and amv_write_trailer().

amv_pad()

static int amv_pad ( AVFormatContext *  s, AVPacket *  pkt  )

static

Definition at line 319 of file amvenc.c.

Referenced by amv_write_packet().

amv_write_packet()

static int amv_write_packet ( AVFormatContext *  s, AVPacket *  pkt  )

static

Definition at line 338 of file amvenc.c.

amv_write_trailer()

static int amv_write_trailer ( AVFormatContext *  s )

static

Definition at line 360 of file amvenc.c.

Variable Documentation

ff_amv_muxer

const FFOutputFormat ff_amv_muxer

Initial value:

= {
    .p.name         = "amv",
    .p.long_name    = NULL_IF_CONFIG_SMALL("AMV"),
    .p.mime_type    = "video/amv",
    .p.extensions   = "amv",
    .priv_data_size = sizeof(AMVContext),
    .p.audio_codec  = AV_CODEC_ID_ADPCM_IMA_AMV,
    .p.video_codec  = AV_CODEC_ID_AMV,
    .p.subtitle_codec = AV_CODEC_ID_NONE,
    .flags_internal   = FF_OFMT_FLAG_MAX_ONE_OF_EACH |
                        FF_OFMT_FLAG_ONLY_DEFAULT_CODECS,
    .init           = amv_init,
    .deinit         = amv_deinit,
    .write_header   = amv_write_header,
    .write_packet   = amv_write_packet,
    .write_trailer  = amv_write_trailer,
}

Definition at line 401 of file amvenc.c.