FFmpeg
Data Structures | Macros | Functions | Variables
hnm.c File Reference
#include <inttypes.h>
#include "libavutil/intreadwrite.h"
#include "avformat.h"
#include "internal.h"

Go to the source code of this file.

Data Structures

struct  Hnm4DemuxContext
 

Macros

#define HNM4_TAG   MKTAG('H', 'N', 'M', '4')
 
#define HNM4_SAMPLE_RATE   22050
 
#define HNM4_FRAME_FPS   24
 
#define HNM4_CHUNK_ID_PL   19536
 
#define HNM4_CHUNK_ID_IZ   23113
 
#define HNM4_CHUNK_ID_IU   21833
 
#define HNM4_CHUNK_ID_SD   17491
 

Functions

static int hnm_probe (const AVProbeData *p)
 
static int hnm_read_header (AVFormatContext *s)
 
static int hnm_read_packet (AVFormatContext *s, AVPacket *pkt)
 
static int hnm_read_close (AVFormatContext *s)
 

Variables

AVInputFormat ff_hnm_demuxer
 

Macro Definition Documentation

#define HNM4_TAG   MKTAG('H', 'N', 'M', '4')

Definition at line 29 of file hnm.c.

Referenced by hnm_probe().

#define HNM4_SAMPLE_RATE   22050

Definition at line 31 of file hnm.c.

#define HNM4_FRAME_FPS   24

Definition at line 32 of file hnm.c.

Referenced by hnm_read_header().

#define HNM4_CHUNK_ID_PL   19536

Definition at line 34 of file hnm.c.

Referenced by hnm_read_packet().

#define HNM4_CHUNK_ID_IZ   23113

Definition at line 35 of file hnm.c.

Referenced by hnm_read_packet().

#define HNM4_CHUNK_ID_IU   21833

Definition at line 36 of file hnm.c.

Referenced by hnm_read_packet().

#define HNM4_CHUNK_ID_SD   17491

Definition at line 37 of file hnm.c.

Referenced by hnm_read_packet().

Function Documentation

static int hnm_probe ( const AVProbeData p)
static

Definition at line 55 of file hnm.c.

static int hnm_read_header ( AVFormatContext s)
static

Definition at line 68 of file hnm.c.

static int hnm_read_packet ( AVFormatContext s,
AVPacket pkt 
)
static

Definition at line 128 of file hnm.c.

static int hnm_read_close ( AVFormatContext s)
static

Definition at line 188 of file hnm.c.

Variable Documentation

AVInputFormat ff_hnm_demuxer
Initial value:
= {
.name = "hnm",
.long_name = NULL_IF_CONFIG_SMALL("Cryo HNM v4"),
.priv_data_size = sizeof(Hnm4DemuxContext),
}
#define AVFMT_NOBINSEARCH
Format does not allow to fall back on binary search via read_timestamp.
Definition: avformat.h:473
static int hnm_probe(const AVProbeData *p)
Definition: hnm.c:55
static int hnm_read_packet(AVFormatContext *s, AVPacket *pkt)
Definition: hnm.c:128
static av_cold int read_close(AVFormatContext *ctx)
Definition: libcdio.c:145
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
static int hnm_read_header(AVFormatContext *s)
Definition: hnm.c:68
static int read_header(FFV1Context *f)
Definition: ffv1dec.c:530
static int read_packet(void *opaque, uint8_t *buf, int buf_size)
Definition: avio_reading.c:42
static int hnm_read_close(AVFormatContext *s)
Definition: hnm.c:188
#define AVFMT_NOGENSEARCH
Format does not allow to fall back on generic search.
Definition: avformat.h:474
#define flags(name, subs,...)
Definition: cbs_av1.c:561
static int read_probe(const AVProbeData *pd)
Definition: jvdec.c:55
#define AVFMT_NO_BYTE_SEEK
Format does not allow seeking by bytes.
Definition: avformat.h:475

Definition at line 198 of file hnm.c.