mss4.c File Reference

Microsoft Screen 4 (aka Microsoft Titanium Screen 2, aka Microsoft Expression Encoder Screen) decoder. More...

#include "avcodec.h"
#include "bytestream.h"
#include "get_bits.h"
#include "internal.h"
#include "mss34dsp.h"
#include "unary.h"

Classes
struct	MSS4Context

Macros
#define	HEADER_SIZE   8
#define	MAX_ENTRIES   162
#define	MKVAL(vals)   ((vals)[0] | ((vals)[1] << 3) | ((vals)[2] << 6))

Typedefs
typedef struct MSS4Context	MSS4Context

Enumerations
enum	FrameType {   ACTIVE_FRAME, SID_FRAME, UNTRANSMITTED_FRAME, INTRA_FRAME = 0,   INTER_FRAME, SKIP_FRAME, FIRST_FRAME, INNER_FRAME,   FINAL_FRAME, LINEAR_MODE, FRAME_NB }
enum	BlockType {   FILL_BLOCK = 0, IMAGE_BLOCK, DCT_BLOCK, HAAR_BLOCK,   SKIP_BLOCK, SKIP_BLOCK = 0, DCT_BLOCK, IMAGE_BLOCK }
enum	CachePos { LEFT = 0, TOP_LEFT, TOP }

Variables
AVCodec	ff_mts2_decoder

Detailed Description

Microsoft Screen 4 (aka Microsoft Titanium Screen 2, aka Microsoft Expression Encoder Screen) decoder.

Enumeration Type Documentation

FrameType

enum FrameType

Enumerator
ACTIVE_FRAME	Active speech.
SID_FRAME	Silence Insertion Descriptor frame.

Variable Documentation

ff_mts2_decoder

AVCodec ff_mts2_decoder

Initial value:

= {
    .name           = "mts2",
    .long_name      = NULL_IF_CONFIG_SMALL("MS Expression Encoder Screen"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_MTS2,
    .priv_data_size = sizeof(MSS4Context),
    .init           = mss4_decode_init,
    .close          = mss4_decode_end,
    .decode         = mss4_decode_frame,
    .capabilities   = AV_CODEC_CAP_DR1,
}