msvideo1enc.c File Reference

Microsoft Video-1 encoder. More...

#include "avcodec.h"
#include "codec_internal.h"
#include "encode.h"
#include "bytestream.h"
#include "libavutil/lfg.h"
#include "libavutil/mem.h"
#include "elbg.h"
#include "libavutil/imgutils.h"

Go to the source code of this file.

Data Structures
struct	Msvideo1EncContext
	Encoder context. More...

Macros
#define	SKIP_PREFIX   0x8400
#define	SKIPS_MAX   0x03FF
#define	MKRGB555(in, off)

Enumerations
enum	MSV1Mode { MODE_SKIP = 0 , MODE_FILL , MODE_2COL , MODE_8COL }

Functions
static int	encode_frame (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pict, int *got_packet)
static av_cold int	encode_init (AVCodecContext *avctx)
	init encoder
static av_cold int	encode_end (AVCodecContext *avctx)
	Uninit encoder.

Variables
static const int	remap [16] = { 0, 1, 4, 5, 2, 3, 6, 7, 8, 9, 12, 13, 10, 11, 14, 15 }
const FFCodec	ff_msvideo1_encoder

Detailed Description

Microsoft Video-1 encoder.

Definition in file msvideo1enc.c.

Macro Definition Documentation

SKIP_PREFIX

#define SKIP_PREFIX   0x8400

Definition at line 62 of file msvideo1enc.c.

Referenced by encode_frame().

SKIPS_MAX

#define SKIPS_MAX   0x03FF

Definition at line 63 of file msvideo1enc.c.

Referenced by encode_frame().

MKRGB555

#define MKRGB555	(		in,
			off )

Value:

(((in)[off] << 10) | ((in)[(off) + 1] << 5) | ((in)[(off) + 2]))

Definition at line 64 of file msvideo1enc.c.

Referenced by encode_frame().

Enumeration Type Documentation

MSV1Mode

enum MSV1Mode

Enumerator
MODE_SKIP
MODE_FILL
MODE_2COL
MODE_8COL

Definition at line 55 of file msvideo1enc.c.

Function Documentation

encode_frame()

static int encode_frame ( AVCodecContext * avctx, AVPacket * pkt, const AVFrame * pict, int * got_packet )

static

Definition at line 68 of file msvideo1enc.c.

encode_init()

static av_cold int encode_init ( AVCodecContext * avctx )

static

init encoder

Definition at line 272 of file msvideo1enc.c.

encode_end()

static av_cold int encode_end ( AVCodecContext * avctx )

static

Uninit encoder.

Definition at line 298 of file msvideo1enc.c.

Variable Documentation

remap

const int remap[16] = { 0, 1, 4, 5, 2, 3, 6, 7, 8, 9, 12, 13, 10, 11, 14, 15 }

static

Definition at line 66 of file msvideo1enc.c.

Referenced by AVFILTER_DEFINE_CLASS(), dv_calc_mb_coordinates(), encode_frame(), and remap_interp().

ff_msvideo1_encoder

const FFCodec ff_msvideo1_encoder

Initial value:

= {
    .p.name         = "msvideo1",
    CODEC_LONG_NAME("Microsoft Video-1"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_MSVIDEO1,
    .p.capabilities = AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
    .priv_data_size = sizeof(Msvideo1EncContext),
    .init           = encode_init,
    FF_CODEC_ENCODE_CB(encode_frame),
    .close          = encode_end,
    CODEC_PIXFMTS(AV_PIX_FMT_RGB555),
}

Definition at line 308 of file msvideo1enc.c.