libavcodec/mace.c File Reference

MACE decoder. More...

#include "avcodec.h"

Go to the source code of this file.

Data Structures
struct	ChannelData
struct	MACEContext
Defines
#define	QT_8S_2_16S(x)   (((x) & 0xFF00) | (((x) >> 8) & 0xFF))
Typedefs
typedef struct ChannelData	ChannelData
typedef struct MACEContext	MACEContext
Functions
static int16_t	mace_broken_clip_int16 (int n)
	MACE version of av_clip_int16().
static int16_t	read_table (ChannelData *chd, uint8_t val, int tab_idx)
static void	chomp3 (ChannelData *chd, int16_t *output, uint8_t val, int tab_idx, uint32_t numChannels)
static void	chomp6 (ChannelData *chd, int16_t *output, uint8_t val, int tab_idx, uint32_t numChannels)
static av_cold int	mace_decode_init (AVCodecContext *avctx)
static int	mace_decode_frame (AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt)
Variables
static const int16_t	MACEtab1 [] = {-13, 8, 76, 222, 222, 76, 8, -13}
static const int16_t	MACEtab3 [] = {-18, 140, 140, -18}
static const int16_t	MACEtab2 [][4]
static const int16_t	MACEtab4 [][2]
struct {
const int16_t *   tab1
const int16_t *   tab2
int   stride
}	tabs []
AVCodec	ff_mace3_decoder
AVCodec	ff_mace6_decoder

---

Detailed Description

MACE decoder.

Definition in file mace.c.

---

Define Documentation

#define QT_8S_2_16S

(

x

)

(((x) & 0xFF00) | (((x) >> 8) & 0xFF))

Definition at line 149 of file mace.c.

Referenced by chomp3(), and chomp6().

---

Typedef Documentation

typedef struct ChannelData ChannelData

typedef struct MACEContext MACEContext

---

Function Documentation

static void chomp3	(	ChannelData *	chd,
		int16_t *	output,
		uint8_t	val,
		int	tab_idx,
		uint32_t	numChannels
	)			[static]

Definition at line 189 of file mace.c.

Referenced by mace_decode_frame().

static void chomp6	(	ChannelData *	chd,
		int16_t *	output,
		uint8_t	val,
		int	tab_idx,
		uint32_t	numChannels
	)			[static]

Definition at line 202 of file mace.c.

Referenced by mace_decode_frame().

static int16_t mace_broken_clip_int16

(

int

n

)

[inline, static]

MACE version of av_clip_int16().

We have to do this to keep binary identical output to the binary decoder.

Definition at line 164 of file mace.c.

Referenced by chomp3(), and chomp6().

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

Definition at line 244 of file mace.c.

static av_cold int mace_decode_init

(

AVCodecContext *

avctx

)

[static]

Definition at line 230 of file mace.c.

static int16_t read_table	(	ChannelData *	chd,
		uint8_t	val,
		int	tab_idx
	)			[static]

Definition at line 174 of file mace.c.

Referenced by chomp3(), and chomp6().

---

Variable Documentation

AVCodec ff_mace3_decoder

Initial value:

 {
    .name           = "mace3",
    .type           = AVMEDIA_TYPE_AUDIO,
    .id             = CODEC_ID_MACE3,
    .priv_data_size = sizeof(MACEContext),
    .init           = mace_decode_init,
    .decode         = mace_decode_frame,
    .capabilities   = CODEC_CAP_DR1,
    .long_name = NULL_IF_CONFIG_SMALL("MACE (Macintosh Audio Compression/Expansion) 3:1"),
}

Definition at line 292 of file mace.c.

AVCodec ff_mace6_decoder

Initial value:

 {
    .name           = "mace6",
    .type           = AVMEDIA_TYPE_AUDIO,
    .id             = CODEC_ID_MACE6,
    .priv_data_size = sizeof(MACEContext),
    .init           = mace_decode_init,
    .decode         = mace_decode_frame,
    .capabilities   = CODEC_CAP_DR1,
    .long_name = NULL_IF_CONFIG_SMALL("MACE (Macintosh Audio Compression/Expansion) 6:1"),
}

Definition at line 303 of file mace.c.

const int16_t MACEtab1[] = {-13, 8, 76, 222, 222, 76, 8, -13} [static]

Definition at line 35 of file mace.c.

const int16_t MACEtab2[][4] [static]

Definition at line 39 of file mace.c.

const int16_t MACEtab3[] = {-18, 140, 140, -18} [static]

Definition at line 37 of file mace.c.

const int16_t MACEtab4[][2] [static]

Definition at line 106 of file mace.c.

int stride

Definition at line 142 of file mace.c.

Referenced by aasc_decode_frame(), adpcm_compress_trellis(), apply_loop_filter(), avs_decode_frame(), bink_decode_plane(), binkb_decode_plane(), bitplane_decoding(), cdg_scroll(), cdg_tile_block(), check_bidir_mv(), cmp_direct_inline(), cmp_inline(), copy_picture_attributes(), decode(), decode_13(), decode_frame(), decode_i2_frame(), decode_init(), decode_p_frame(), DEF(), deInterlaceBlendLinear_3DNow(), deInterlaceFF_3DNow(), deInterlaceInterpolateCubic_3DNow(), deInterlaceInterpolateLinear_3DNow(), deInterlaceL5_3DNow(), deInterlaceMedian_3DNow(), dequant(), dering_3DNow(), doVertDefFilter_3DNow(), doVertLowPass_3DNow(), duplicate_3DNow(), encode_frame(), ff_apply_vector_2x2(), ff_apply_vector_4x4(), ff_h263_decode_mb(), ff_init_me(), ff_jpegls_decode_picture(), get_frame_mb(), h263_mv4_search(), hl_decode_mb_idct_luma(), hl_decode_mb_internal(), hl_decode_mb_predict_luma(), idct_put(), init_mv4_ref(), init_ref(), interlaced_search(), main(), mpeg4_decode_partition_a(), msvideo1_decode_16bit(), msvideo1_decode_8bit(), pcx_decode_frame(), postProcess_3DNow(), pp_get_context(), pred16x16_dc(), pred16x16_horizontal(), pred16x16_left_dc(), pred16x16_top_dc(), pred16x16_vertical(), pred4x4_127_dc(), pred4x4_128_dc(), pred4x4_129_dc(), pred4x4_dc(), pred4x4_down_left(), pred4x4_down_right(), pred4x4_horizontal(), pred4x4_horizontal_down(), pred4x4_horizontal_up(), pred4x4_left_dc(), pred4x4_top_dc(), pred4x4_vertical(), pred4x4_vertical_left(), pred4x4_vertical_right(), preview_obmc(), ptx_decode_frame(), read_table(), render_slice(), rpza_decode_stream(), sad_hpel_motion_search(), skip_check(), smc_decode_stream(), sunrast_decode_frame(), tempNoiseReducer_3DNow(), txd_decode_frame(), vble_restore_plane(), vertClassify_3DNow(), vertX1Filter_3DNow(), vp56_size_changed(), w_c(), xan_wc3_copy_pixel_run(), and xan_wc3_output_pixel_run().

const int16_t* tab1

Definition at line 142 of file mace.c.

Referenced by compute_stereo(), dequant(), and main().

const int16_t* tab2

Definition at line 142 of file mace.c.

Referenced by main().

struct { ... } tabs[] [static]

Referenced by read_table(), and very_broken_op().