hvirtual/quicktime/qtmp3.c File Reference

#include "funcprotos.h"
#include <lame/lame.h>
#include "mpeg3private.h"
#include "mpeg3protos.h"
#include "quicktime.h"
#include "qtmp3.h"
#include <string.h>

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Data Structures

struct quicktime_mp3_codec_t

Defines

#define CLAMP(x, y, z) ((x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x))))

#define OUTPUT_ALLOCATION 0x100000

Functions

static int delete_codec (quicktime_audio_map_t *atrack)

static int chunk_len (quicktime_t *file, quicktime_mp3_codec_t *codec, int64_t offset, int64_t next_chunk)

static int decode (quicktime_t *file, int16_t *output_i, float *output_f, long samples, int track, int channel)

static int allocate_output (quicktime_mp3_codec_t *codec, int samples)

static int write_frames (quicktime_t *file, quicktime_audio_map_t *track_map, quicktime_trak_t *trak, quicktime_mp3_codec_t *codec, int track)

static int encode (quicktime_t *file, int16_t **input_i, float **input_f, int track, long samples)

static int set_parameter (quicktime_t *file, int track, char *key, void *value)

static void flush (quicktime_t *file, int track)

void quicktime_init_codec_mp3 (quicktime_audio_map_t *atrack)

Define Documentation

#define CLAMP	(	x,
		y,
		z	)	((x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x))))

Definition at line 14 of file qtmp3.c.

#define OUTPUT_ALLOCATION 0x100000

Definition at line 16 of file qtmp3.c.

Function Documentation

static int allocate_output	(	quicktime_mp3_codec_t *	codec,
		int	samples
	)			`[static]`

Definition at line 339 of file qtmp3.c.

References quicktime_mp3_codec_t::encoder_output, quicktime_mp3_codec_t::encoder_output_allocated, quicktime_mp3_codec_t::encoder_output_size, and memcpy.

Referenced by encode().

static int chunk_len	(	quicktime_t *	file,
		quicktime_mp3_codec_t *	codec,
		int64_t	offset,
		int64_t	next_chunk
	)			`[static]`

Definition at line 101 of file qtmp3.c.

References header, quicktime_mp3_codec_t::mp3_header, mpeg3_layer_header(), quicktime_read_data(), and quicktime_set_position().

Referenced by decode().

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static int decode	(	quicktime_t *	file,
		int16_t *	output_i,
		float *	output_f,
		long	samples,
		int	track,
		int	channel
	)			`[static]`

Definition at line 147 of file qtmp3.c.

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static int delete_codec ( quicktime_audio_map_t * atrack ) [static]

Definition at line 61 of file qtmp3.c.

References quicktime_audio_map_t::channels, quicktime_audio_map_t::codec, quicktime_mp3_codec_t::encoded_header, quicktime_mp3_codec_t::encoder_output, quicktime_mp3_codec_t::input, quicktime_mp3_codec_t::lame_global, quicktime_mp3_codec_t::mp3, quicktime_mp3_codec_t::mp3_header, mpeg3_delete_layer(), quicktime_mp3_codec_t::output, and quicktime_mp3_codec_t::packet_buffer.

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static int encode	(	quicktime_t *	file,
		int16_t **	input_i,
		float **	input_f,
		int	track,
		long	samples
	)			`[static]`

Definition at line 448 of file qtmp3.c.

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static void flush	(	quicktime_t *	file,
		int	track
	)			`[static]`

Definition at line 558 of file qtmp3.c.

References quicktime_t::atracks, quicktime_audio_map_t::codec, quicktime_mp3_codec_t::encode_initialized, quicktime_mp3_codec_t::encoder_output, quicktime_mp3_codec_t::encoder_output_allocated, quicktime_mp3_codec_t::encoder_output_size, quicktime_mp3_codec_t::lame_global, offset, quicktime_position(), quicktime_audio_map_t::track, and write_frames().

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void quicktime_init_codec_mp3 ( quicktime_audio_map_t * atrack )

Definition at line 581 of file qtmp3.c.

References quicktime_audio_map_t::codec, quicktime_codec_t::decode_audio, quicktime_codec_t::delete_acodec, delete_codec(), quicktime_codec_t::desc, encode(), quicktime_codec_t::encode_audio, flush, quicktime_codec_t::flush, quicktime_codec_t::fourcc, quicktime_codec_t::priv, QUICKTIME_MP3, set_parameter(), quicktime_codec_t::set_parameter, quicktime_codec_t::title, and quicktime_codec_t::wav_id.

Referenced by register_acodecs().

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static int set_parameter	(	quicktime_t *	file,
		int	track,
		char *	key,
		void *	value
	)			`[static]`

Definition at line 542 of file qtmp3.c.

References quicktime_t::atracks, quicktime_mp3_codec_t::bitrate, and quicktime_audio_map_t::codec.

static int write_frames	(	quicktime_t *	file,
		quicktime_audio_map_t *	track_map,
		quicktime_trak_t *	trak,
		quicktime_mp3_codec_t *	codec,
		int	track
	)			`[static]`

Definition at line 363 of file qtmp3.c.

References quicktime_audio_map_t::current_chunk, quicktime_mp3_codec_t::encoded_header, quicktime_mp3_codec_t::encoder_output, quicktime_mp3_codec_t::encoder_output_size, header, mpeg3_layer_header(), mpeg3audio_dolayer3(), offset, and quicktime_write_vbr_frame().

Referenced by encode(), and flush().

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Data Structures
struct	quicktime_mp3_codec_t
Defines
#define	CLAMP(x, y, z) ((x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x))))
#define	OUTPUT_ALLOCATION 0x100000
Functions
static int	delete_codec (quicktime_audio_map_t *atrack)
static int	chunk_len (quicktime_t file, quicktime_mp3_codec_t codec, int64_t offset, int64_t next_chunk)
static int	decode (quicktime_t file, int16_t output_i, float *output_f, long samples, int track, int channel)
static int	allocate_output (quicktime_mp3_codec_t *codec, int samples)
static int	write_frames (quicktime_t file, quicktime_audio_map_t track_map, quicktime_trak_t trak, quicktime_mp3_codec_t codec, int track)
static int	encode (quicktime_t file, int16_t input_i, float *input_f, int track, long samples)
static int	set_parameter (quicktime_t file, int track, char key, void *value)
static void	flush (quicktime_t *file, int track)
void	quicktime_init_codec_mp3 (quicktime_audio_map_t *atrack)