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ws-snd1.c File Reference

Westwood SNDx codecs. More...

#include <stdint.h>
#include "libavutil/channel_layout.h"
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "internal.h"

Go to the source code of this file.


static av_cold int ws_snd_decode_init (AVCodecContext *avctx)
static int ws_snd_decode_frame (AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt)


static const int8_t ws_adpcm_4bit []
AVCodec ff_ws_snd1_decoder

Detailed Description

Westwood SNDx codecs.

Reference documents about VQA format and its audio codecs can be found here: http://www.multimedia.cx

Definition in file ws-snd1.c.

Function Documentation

static av_cold int ws_snd_decode_init ( AVCodecContext avctx)

Definition at line 44 of file ws-snd1.c.

static int ws_snd_decode_frame ( AVCodecContext avctx,
void data,
int *  got_frame_ptr,
AVPacket avpkt 

Definition at line 53 of file ws-snd1.c.

Variable Documentation

const int8_t ws_adpcm_4bit[]
Initial value:
= {
-9, -8, -6, -5, -4, -3, -2, -1,
0, 1, 2, 3, 4, 5, 6, 8

Definition at line 39 of file ws-snd1.c.

Referenced by ws_snd_decode_frame().

AVCodec ff_ws_snd1_decoder
Initial value:
= {
.name = "ws_snd1",
.long_name = NULL_IF_CONFIG_SMALL("Westwood Audio (SND1)"),
.capabilities = AV_CODEC_CAP_DR1,
static av_cold int ws_snd_decode_init(AVCodecContext *avctx)
Definition: ws-snd1.c:44
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:176
static int ws_snd_decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt)
Definition: ws-snd1.c:53
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
Definition: avcodec.h:959

Definition at line 173 of file ws-snd1.c.