hvirtual/quicktime/vbraudio.c File Reference

#include "funcprotos.h"
#include "quicktime.h"

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Defines
#define	MAX_VBR_BUFFER   0x200000
Functions
void	quicktime_init_vbr (quicktime_vbr_t *ptr, int channels)
void	quicktime_clear_vbr (quicktime_vbr_t *ptr)
void	quicktime_vbr_set_channels (quicktime_vbr_t *ptr, int channels)
int64_t	quicktime_vbr_end (quicktime_vbr_t *ptr)
unsigned char *	quicktime_vbr_input (quicktime_vbr_t *ptr)
int	quicktime_vbr_input_size (quicktime_vbr_t *ptr)
static int	limit_samples (int samples)
int	quicktime_align_vbr (quicktime_audio_map_t *atrack, int samples)
int	quicktime_read_vbr (quicktime_t *file, quicktime_audio_map_t *atrack)
void	quicktime_shift_vbr (quicktime_audio_map_t *atrack, int bytes)
void	quicktime_store_vbr_float (quicktime_audio_map_t *atrack, float *samples, int sample_count)
void	quicktime_copy_vbr_float (quicktime_vbr_t *vbr, int64_t start_position, int samples, float *output, int channel)
void	quicktime_copy_vbr_int16 (quicktime_vbr_t *vbr, int64_t start_position, int samples, int16_t *output, int channel)

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Define Documentation

#define MAX_VBR_BUFFER   0x200000

Definition at line 9 of file vbraudio.c.

Referenced by limit_samples(), quicktime_copy_vbr_float(), quicktime_copy_vbr_int16(), quicktime_init_vbr(), and quicktime_store_vbr_float().

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Function Documentation

static int limit_samples

(

int

samples

)

[static]

Definition at line 62 of file vbraudio.c.

References fprintf, and MAX_VBR_BUFFER.

Referenced by quicktime_align_vbr().

int quicktime_align_vbr	(	quicktime_audio_map_t *	atrack,
		int	samples
	)

Definition at line 74 of file vbraudio.c.

References quicktime_vbr_t::buffer_end, quicktime_vbr_t::buffer_size, quicktime_audio_map_t::current_position, limit_samples(), quicktime_trak_t::mdia, quicktime_mdia_t::minf, quicktime_time_to_sample(), quicktime_vbr_t::sample, start_time, quicktime_minf_t::stbl, quicktime_stbl_t::stts, quicktime_audio_map_t::track, and quicktime_audio_map_t::vbr.

Referenced by decode().

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void quicktime_clear_vbr

(

quicktime_vbr_t *

ptr

)

Definition at line 25 of file vbraudio.c.

References quicktime_vbr_t::channels, quicktime_vbr_t::input_buffer, and quicktime_vbr_t::output_buffer.

Referenced by quicktime_delete_audio_map().

void quicktime_copy_vbr_float	(	quicktime_vbr_t *	vbr,
		int64_t	start_position,
		int	samples,
		float *	output,
		int	channel
	)

Definition at line 161 of file vbraudio.c.

References quicktime_vbr_t::buffer_end, quicktime_vbr_t::buffer_ptr, MAX_VBR_BUFFER, and quicktime_vbr_t::output_buffer.

Referenced by decode().

void quicktime_copy_vbr_int16	(	quicktime_vbr_t *	vbr,
		int64_t	start_position,
		int	samples,
		int16_t *	output,
		int	channel
	)

Definition at line 181 of file vbraudio.c.

References quicktime_vbr_t::buffer_end, quicktime_vbr_t::buffer_ptr, MAX_VBR_BUFFER, and quicktime_vbr_t::output_buffer.

Referenced by decode().

void quicktime_init_vbr	(	quicktime_vbr_t *	ptr,
		int	channels
	)

Definition at line 13 of file vbraudio.c.

References quicktime_vbr_t::channels, MAX_VBR_BUFFER, and quicktime_vbr_t::output_buffer.

Referenced by decode().

int quicktime_read_vbr	(	quicktime_t *	file,
		quicktime_audio_map_t *	atrack
	)

Definition at line 97 of file vbraudio.c.

References quicktime_vbr_t::input_allocation, quicktime_vbr_t::input_buffer, quicktime_vbr_t::input_size, offset, quicktime_read_data(), quicktime_sample_size(), quicktime_sample_to_offset(), quicktime_set_position(), quicktime_vbr_t::sample, quicktime_audio_map_t::track, and quicktime_audio_map_t::vbr.

Referenced by decode().

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void quicktime_shift_vbr	(	quicktime_audio_map_t *	atrack,
		int	bytes
	)

Definition at line 123 of file vbraudio.c.

References quicktime_vbr_t::input_buffer, quicktime_vbr_t::input_size, and quicktime_audio_map_t::vbr.

Referenced by decode().

void quicktime_store_vbr_float	(	quicktime_audio_map_t *	atrack,
		float *	samples,
		int	sample_count
	)

Definition at line 139 of file vbraudio.c.

References quicktime_vbr_t::buffer_end, quicktime_vbr_t::buffer_ptr, quicktime_vbr_t::buffer_size, quicktime_vbr_t::channels, MAX_VBR_BUFFER, quicktime_vbr_t::output_buffer, and quicktime_audio_map_t::vbr.

Referenced by decode().

int64_t quicktime_vbr_end

(

quicktime_vbr_t *

ptr

)

Definition at line 47 of file vbraudio.c.

References quicktime_vbr_t::buffer_end.

Referenced by decode().

unsigned char* quicktime_vbr_input

(

quicktime_vbr_t *

ptr

)

Definition at line 52 of file vbraudio.c.

References quicktime_vbr_t::input_buffer.

Referenced by decode().

int quicktime_vbr_input_size

(

quicktime_vbr_t *

ptr

)

Definition at line 57 of file vbraudio.c.

References quicktime_vbr_t::input_size.

Referenced by decode().

void quicktime_vbr_set_channels	(	quicktime_vbr_t *	ptr,
		int	channels
	)

Definition at line 42 of file vbraudio.c.

References quicktime_vbr_t::channels.