mvha.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "bytestream.h"
#include "get_bits.h"
#include "internal.h"
#include "lossless_videodsp.h"
#include <zlib.h>

Go to the source code of this file.

Data Structures
struct	MVHAContext
struct	Node

Macros
#define	CACHED_BITSTREAM_READER   !ARCH_X86_32

Functions
static void	get_tree_codes (uint32_t *bits, int16_t *lens, uint8_t *xlat, Node *nodes, int node, uint32_t pfx, int pl, int *pos)
static int	build_vlc (AVCodecContext *avctx, VLC *vlc)
static int	decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static av_cold int	decode_init (AVCodecContext *avctx)
static av_cold int	decode_close (AVCodecContext *avctx)

Variables
const AVCodec	ff_mvha_decoder

Macro Definition Documentation

CACHED_BITSTREAM_READER

#define CACHED_BITSTREAM_READER   !ARCH_X86_32

Definition at line 27 of file mvha.c.

Function Documentation

get_tree_codes()

static void get_tree_codes ( uint32_t *  bits, int16_t *  lens, uint8_t *  xlat, Node *  nodes, int  node, uint32_t  pfx, int  pl, int *  pos  )

static

Definition at line 57 of file mvha.c.

Referenced by build_vlc().

build_vlc()

static int build_vlc ( AVCodecContext *  avctx, VLC *  vlc  )

static

Definition at line 80 of file mvha.c.

Referenced by decode_frame().

decode_frame()

static int decode_frame ( AVCodecContext *  avctx, void *  data, int *  got_frame, AVPacket *  avpkt  )

static

Definition at line 149 of file mvha.c.

decode_init()

static av_cold int decode_init ( AVCodecContext *  avctx )

static

Definition at line 279 of file mvha.c.

decode_close()

static av_cold int decode_close ( AVCodecContext *  avctx )

static

Definition at line 300 of file mvha.c.

Variable Documentation

ff_mvha_decoder

const AVCodec ff_mvha_decoder

Initial value:

= {
    .name             = "mvha",
    .long_name        = NULL_IF_CONFIG_SMALL("MidiVid Archive Codec"),
    .type             = AVMEDIA_TYPE_VIDEO,
    .id               = AV_CODEC_ID_MVHA,
    .priv_data_size   = sizeof(MVHAContext),
    .init             = decode_init,
    .close            = decode_close,
    .decode           = decode_frame,
    .capabilities     = AV_CODEC_CAP_DR1,
    .caps_internal    = FF_CODEC_CAP_INIT_THREADSAFE |
                        FF_CODEC_CAP_INIT_CLEANUP,
}

Definition at line 310 of file mvha.c.