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-rw-r--r--libavresample/audio_mix.h94
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diff --git a/libavresample/audio_mix.h b/libavresample/audio_mix.h
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-/*
- * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef AVRESAMPLE_AUDIO_MIX_H
-#define AVRESAMPLE_AUDIO_MIX_H
-
-#include <stdint.h>
-
-#include "libavutil/samplefmt.h"
-#include "avresample.h"
-#include "internal.h"
-#include "audio_data.h"
-
-typedef void (mix_func)(uint8_t **src, void **matrix, int len, int out_ch,
- int in_ch);
-
-/**
- * Set mixing function if the parameters match.
- *
- * This compares the parameters of the mixing function to the parameters in the
- * AudioMix context. If the parameters do not match, no changes are made to the
- * active functions. If the parameters do match and the alignment is not
- * constrained, the function is set as the generic mixing function. If the
- * parameters match and the alignment is constrained, the function is set as
- * the optimized mixing function.
- *
- * @param am AudioMix context
- * @param fmt input/output sample format
- * @param coeff_type mixing coefficient type
- * @param in_channels number of input channels, or 0 for any number of channels
- * @param out_channels number of output channels, or 0 for any number of channels
- * @param ptr_align buffer pointer alignment, in bytes
- * @param samples_align buffer size alignment, in samples
- * @param descr function type description (e.g. "C" or "SSE")
- * @param mix_func mixing function pointer
- */
-void ff_audio_mix_set_func(AudioMix *am, enum AVSampleFormat fmt,
- enum AVMixCoeffType coeff_type, int in_channels,
- int out_channels, int ptr_align, int samples_align,
- const char *descr, void *mix_func);
-
-/**
- * Allocate and initialize an AudioMix context.
- *
- * The parameters in the AVAudioResampleContext are used to initialize the
- * AudioMix context.
- *
- * @param avr AVAudioResampleContext
- * @return newly-allocated AudioMix context.
- */
-AudioMix *ff_audio_mix_alloc(AVAudioResampleContext *avr);
-
-/**
- * Free an AudioMix context.
- */
-void ff_audio_mix_free(AudioMix **am);
-
-/**
- * Apply channel mixing to audio data using the current mixing matrix.
- */
-int ff_audio_mix(AudioMix *am, AudioData *src);
-
-/**
- * Get the current mixing matrix.
- */
-int ff_audio_mix_get_matrix(AudioMix *am, double *matrix, int stride);
-
-/**
- * Set the current mixing matrix.
- */
-int ff_audio_mix_set_matrix(AudioMix *am, const double *matrix, int stride);
-
-/* arch-specific initialization functions */
-
-void ff_audio_mix_init_x86(AudioMix *am);
-
-#endif /* AVRESAMPLE_AUDIO_MIX_H */