libavcodec/bmv.c File Reference

#include "avcodec.h"
#include "bytestream.h"
#include "libavutil/avassert.h"

Go to the source code of this file.

Data Structures
struct	BMVDecContext
struct	BMVAudioDecContext
Defines
#define	SCREEN_WIDE   640
#define	SCREEN_HIGH   429
#define	NEXT_BYTE(v)   v = forward ? v + 1 : v - 1;
Enumerations
enum	BMVFlags {   BMV_NOP = 0, BMV_END, BMV_DELTA, BMV_INTRA,   BMV_SCROLL = 0x04, BMV_PALETTE = 0x08, BMV_COMMAND = 0x10, BMV_AUDIO = 0x20,   BMV_EXT = 0x40, BMV_PRINT = 0x80, BMV_NOP = 0, BMV_END,   BMV_DELTA, BMV_INTRA, BMV_AUDIO = 0x20 }
Functions
static int	decode_bmv_frame (const uint8_t *source, int src_len, uint8_t *frame, int frame_off)
static int	decode_frame (AVCodecContext *avctx, void *data, int *data_size, AVPacket *pkt)
static av_cold int	decode_init (AVCodecContext *avctx)
static av_cold int	decode_end (AVCodecContext *avctx)
static av_cold int	bmv_aud_decode_init (AVCodecContext *avctx)
static int	bmv_aud_decode_frame (AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt)
Variables
static const int	bmv_aud_mults [16]
AVCodec	ff_bmv_video_decoder
AVCodec	ff_bmv_audio_decoder

---

Define Documentation

#define NEXT_BYTE

(

v

)

v = forward ? v + 1 : v - 1;

Definition at line 52 of file bmv.c.

Referenced by decode_bmv_frame().

#define SCREEN_HIGH   429

Definition at line 41 of file bmv.c.

Referenced by decode_bmv_frame(), and decode_init().

#define SCREEN_WIDE   640

Definition at line 40 of file bmv.c.

Referenced by decode_bmv_frame(), and decode_init().

---

Enumeration Type Documentation

enum BMVFlags

Enumerator:

BMV_NOP
BMV_END
BMV_DELTA
BMV_INTRA
BMV_SCROLL
BMV_PALETTE
BMV_COMMAND
BMV_AUDIO
BMV_EXT
BMV_PRINT
BMV_NOP
BMV_END
BMV_DELTA
BMV_INTRA
BMV_AUDIO

Definition at line 26 of file bmv.c.

---

Function Documentation

static int bmv_aud_decode_frame	(	AVCodecContext *	avctx,
		void *	data,
		int *	got_frame_ptr,
		AVPacket *	avpkt
	)			[static]

Definition at line 326 of file bmv.c.

static av_cold int bmv_aud_decode_init

(

AVCodecContext *

avctx

)

[static]

Definition at line 309 of file bmv.c.

static int decode_bmv_frame	(	const uint8_t *	source,
		int	src_len,
		uint8_t *	frame,
		int	frame_off
	)			[static]

Definition at line 54 of file bmv.c.

Referenced by decode_frame().

static av_cold int decode_end

(

AVCodecContext *

avctx

)

[static]

Definition at line 291 of file bmv.c.

static int decode_frame	(	AVCodecContext *	avctx,
		void *	data,
		int *	data_size,
		AVPacket *	pkt
	)			[static]

Definition at line 199 of file bmv.c.

static av_cold int decode_init

(

AVCodecContext *

avctx

)

[static]

Definition at line 268 of file bmv.c.

---

Variable Documentation

const int bmv_aud_mults[16] [static]

Initial value:

 {
    16512, 8256, 4128, 2064, 1032, 516, 258, 192, 129, 88, 64, 56, 48, 40, 36, 32
}

Definition at line 305 of file bmv.c.

Referenced by bmv_aud_decode_frame().

AVCodec ff_bmv_audio_decoder

Initial value:

 {
    .name           = "bmv_audio",
    .type           = AVMEDIA_TYPE_AUDIO,
    .id             = AV_CODEC_ID_BMV_AUDIO,
    .priv_data_size = sizeof(BMVAudioDecContext),
    .init           = bmv_aud_decode_init,
    .decode         = bmv_aud_decode_frame,
    .capabilities   = CODEC_CAP_DR1,
    .long_name      = NULL_IF_CONFIG_SMALL("Discworld II BMV audio"),
}

Definition at line 381 of file bmv.c.

AVCodec ff_bmv_video_decoder

Initial value:

 {
    .name           = "bmv_video",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_BMV_VIDEO,
    .priv_data_size = sizeof(BMVDecContext),
    .init           = decode_init,
    .close          = decode_end,
    .decode         = decode_frame,
    .capabilities   = CODEC_CAP_DR1,
    .long_name      = NULL_IF_CONFIG_SMALL("Discworld II BMV video"),
}

Definition at line 369 of file bmv.c.