FFmpeg: libavcodec/opus/enc_psy.c File Reference

FFmpeg

#include <float.h>
#include "libavutil/mem.h"
#include "enc_psy.h"
#include "celt.h"
#include "pvq.h"
#include "tab.h"
#include "libavfilter/window_func.h"

Go to the source code of this file.

Functions
static float	pvq_band_cost (CeltPVQ pvq, CeltFrame f, OpusRangeCoder rc, int band, float bits, float lambda)

static void	step_collect_psy_metrics (OpusPsyContext *s, int index)

static void	search_for_change_points (OpusPsyContext *s, float tgt_change, int offset_s, int offset_e, int resolution, int level)

static int	flush_silent_frames (OpusPsyContext *s)

static void	psy_output_groups (OpusPsyContext *s)

int	ff_opus_psy_process (OpusPsyContext s, OpusPacketInfo p)

void	ff_opus_psy_celt_frame_init (OpusPsyContext s, CeltFrame f, int index)

static void	celt_gauge_psy_weight (OpusPsyContext s, OpusPsyStep start, CeltFrame f_out)

static int	bands_dist (OpusPsyContext s, CeltFrame f, float *total_dist)

static void	celt_search_for_dual_stereo (OpusPsyContext s, CeltFrame f)

static void	celt_search_for_intensity (OpusPsyContext s, CeltFrame f)

static int	celt_search_for_tf (OpusPsyContext s, OpusPsyStep start, CeltFrame f)

int	ff_opus_psy_celt_frame_process (OpusPsyContext s, CeltFrame f, int index)

void	ff_opus_psy_postencode_update (OpusPsyContext s, CeltFrame f)

av_cold int	ff_opus_psy_init (OpusPsyContext s, AVCodecContext avctx, struct FFBufQueue bufqueue, OpusEncOptions options)

void	ff_opus_psy_signal_eof (OpusPsyContext *s)

av_cold int	ff_opus_psy_end (OpusPsyContext *s)

Function Documentation

◆ pvq_band_cost()

static float pvq_band_cost	(	CeltPVQ *	pvq,
		CeltFrame *	f,
		OpusRangeCoder *	rc,
		int	band,
		float *	bits,
		float	lambda
	)

static

Definition at line 31 of file enc_psy.c.

Referenced by bands_dist().

◆ step_collect_psy_metrics()

static void step_collect_psy_metrics	(	OpusPsyContext *	s,
		int	index
	)

static

Definition at line 82 of file enc_psy.c.

Referenced by ff_opus_psy_process().

◆ search_for_change_points()

static void search_for_change_points	(	OpusPsyContext *	s,
		float	tgt_change,
		int	offset_s,
		int	offset_e,
		int	resolution,
		int	level
	)

static

Definition at line 168 of file enc_psy.c.

Referenced by ff_opus_psy_process().

◆ flush_silent_frames()

static int flush_silent_frames ( OpusPsyContext * s )

static

Definition at line 188 of file enc_psy.c.

Referenced by psy_output_groups().

◆ psy_output_groups()

static void psy_output_groups ( OpusPsyContext * s )

static

Definition at line 210 of file enc_psy.c.

Referenced by ff_opus_psy_process().

◆ ff_opus_psy_process()

int ff_opus_psy_process	(	OpusPsyContext *	s,
		OpusPacketInfo *	p
	)

Definition at line 227 of file enc_psy.c.

Referenced by opus_encode_frame().

◆ ff_opus_psy_celt_frame_init()

void ff_opus_psy_celt_frame_init	(	OpusPsyContext *	s,
		CeltFrame *	f,
		int	index
	)

Definition at line 258 of file enc_psy.c.

Referenced by celt_encode_frame().

◆ celt_gauge_psy_weight()

static void celt_gauge_psy_weight	(	OpusPsyContext *	s,
		OpusPsyStep **	start,
		CeltFrame *	f_out
	)

static

Definition at line 314 of file enc_psy.c.

Referenced by ff_opus_psy_celt_frame_process().

◆ bands_dist()

static int bands_dist	(	OpusPsyContext *	s,
		CeltFrame *	f,
		float *	total_dist
	)

static

Definition at line 367 of file enc_psy.c.

Referenced by celt_search_for_dual_stereo(), and celt_search_for_intensity().

◆ celt_search_for_dual_stereo()

static void celt_search_for_dual_stereo	(	OpusPsyContext *	s,
		CeltFrame *	f
	)

static

Definition at line 386 of file enc_psy.c.

Referenced by ff_opus_psy_celt_frame_process().

◆ celt_search_for_intensity()

static void celt_search_for_intensity	(	OpusPsyContext *	s,
		CeltFrame *	f
	)

static

Definition at line 402 of file enc_psy.c.

Referenced by ff_opus_psy_celt_frame_process().

◆ celt_search_for_tf()

static int celt_search_for_tf	(	OpusPsyContext *	s,
		OpusPsyStep **	start,
		CeltFrame *	f
	)

static

Definition at line 425 of file enc_psy.c.

Referenced by ff_opus_psy_celt_frame_process().

◆ ff_opus_psy_celt_frame_process()

int ff_opus_psy_celt_frame_process	(	OpusPsyContext *	s,
		CeltFrame *	f,
		int	index
	)

Definition at line 459 of file enc_psy.c.

Referenced by celt_encode_frame().

◆ ff_opus_psy_postencode_update()

void ff_opus_psy_postencode_update	(	OpusPsyContext *	s,
		CeltFrame *	f
	)

Definition at line 480 of file enc_psy.c.

Referenced by opus_encode_frame().

◆ ff_opus_psy_init()

av_cold int ff_opus_psy_init	(	OpusPsyContext *	s,
		AVCodecContext *	avctx,
		struct FFBufQueue *	bufqueue,
		OpusEncOptions *	options
	)

Definition at line 516 of file enc_psy.c.

Referenced by opus_encode_init().

◆ ff_opus_psy_signal_eof()

void ff_opus_psy_signal_eof ( OpusPsyContext * s )

Definition at line 590 of file enc_psy.c.

Referenced by opus_encode_frame().

◆ ff_opus_psy_end()

av_cold int ff_opus_psy_end ( OpusPsyContext * s )

Definition at line 595 of file enc_psy.c.

Referenced by opus_encode_end().