libavcodec/ac3enc_template.c File Reference

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

#include <stdint.h>

Go to the source code of this file.

Functions
static void	scale_coefficients (AC3EncodeContext *s)
static void	apply_window (DSPContext *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	deinterleave_input_samples (AC3EncodeContext *s, const 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.

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Function Documentation

int AC3_NAME() allocate_sample_buffers

(

AC3EncodeContext *

s

)

Definition at line 50 of file ac3enc_template.c.

static void apply_channel_coupling

(

AC3EncodeContext *

s

)

[static]

Definition at line 129 of file ac3enc_template.c.

static void apply_mdct

(

AC3EncodeContext *

s

)

[static]

Definition at line 104 of file ac3enc_template.c.

Referenced by encode_block(), and encode_frame().

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

static CoefType calc_cpl_coord	(	CoefSumType	energy_ch,
		CoefSumType	energy_cpl
	)			[static]

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

static void compute_rematrixing_strategy

(

AC3EncodeContext *

s

)

[static]

Definition at line 337 of file ac3enc_template.c.

Referenced by encode_frame().

static void deinterleave_input_samples	(	AC3EncodeContext *	s,
		const SampleType *	samples
	)			[static]

Definition at line 74 of file ac3enc_template.c.

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

Definition at line 389 of file ac3enc_template.c.

Referenced by encode_superframe(), flac_encode_frame(), MPA_encode_frame(), and qtrle_encode_frame().

static int normalize_samples

(

AC3EncodeContext *

s

)

[static]

static void scale_coefficients

(

AC3EncodeContext *

s

)

[static]

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