ac3enc_template.c File Reference

AC-3 encoder float/fixed template. More...

#include <stdint.h>
#include "libavutil/internal.h"

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Functions
static void	scale_coefficients (AC3EncodeContext *s)
static void	apply_window (void *dsp, SampleType *output, const SampleType *input, const SampleType *window, unsigned int len)
static int	normalize_samples (AC3EncodeContext *s)
static void	clip_coefficients (DSPContext *dsp, CoefType *coef, unsigned int len)
static CoefType	calc_cpl_coord (CoefSumType energy_ch, CoefSumType energy_cpl)
static void	sum_square_butterfly (AC3EncodeContext *s, CoefSumType sum[4], const CoefType *coef0, const CoefType *coef1, int len)
int AC3_NAME()	allocate_sample_buffers (AC3EncodeContext *s)
static void	copy_input_samples (AC3EncodeContext *s, SampleType **samples)
static void	apply_mdct (AC3EncodeContext *s)
static void	apply_channel_coupling (AC3EncodeContext *s)
static void	compute_rematrixing_strategy (AC3EncodeContext *s)
int AC3_NAME()	encode_frame (AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr)

Detailed Description

AC-3 encoder float/fixed template.

Definition in file ac3enc_template.c.

Function Documentation

int AC3_NAME() allocate_sample_buffers

(

AC3EncodeContext *

s

)

Definition at line 51 of file ac3enc_template.c.

static void apply_channel_coupling ( AC3EncodeContext *  s )

static

Definition at line 128 of file ac3enc_template.c.

Referenced by encode_frame().

static void apply_mdct ( AC3EncodeContext *  s )

static

Definition at line 98 of file ac3enc_template.c.

Referenced by encode_frame().

static void apply_window ( void *  dsp, SampleType *  output, const SampleType *  input, const SampleType *  window, unsigned int  len  )

static

Referenced by apply_mdct().

static CoefType calc_cpl_coord ( CoefSumType  energy_ch, CoefSumType  energy_cpl  )

static

Referenced by apply_channel_coupling().

static void clip_coefficients ( DSPContext *  dsp, CoefType *  coef, unsigned int  len  )

static

Referenced by apply_channel_coupling(), and encode_frame().

static void compute_rematrixing_strategy ( AC3EncodeContext *  s )

static

Definition at line 336 of file ac3enc_template.c.

Referenced by encode_frame().

static void copy_input_samples ( AC3EncodeContext *  s, SampleType **  samples  )

static

Definition at line 75 of file ac3enc_template.c.

Referenced by encode_frame().

int AC3_NAME() encode_frame	(	AVCodecContext *	avctx,
		AVPacket *	avpkt,
		const AVFrame *	frame,
		int *	got_packet_ptr
	)

Definition at line 388 of file ac3enc_template.c.

static int normalize_samples ( AC3EncodeContext *  s )

static

Referenced by apply_mdct().

static void scale_coefficients ( AC3EncodeContext *  s )

static

Referenced by encode_frame().

static void sum_square_butterfly ( AC3EncodeContext *  s, CoefSumType  sum[4], const CoefType *  coef0, const CoefType *  coef1, int  len  )

static

Referenced by compute_rematrixing_strategy().