AudioMixer.h revision 17a736c3e1d062d7fc916329eb32aef8935614af
199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten/* 265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Copyright 2007, The Android Open Source Project 465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Licensed under the Apache License, Version 2.0 (the "License"); 665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** you may not use this file except in compliance with the License. 765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** You may obtain a copy of the License at 865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** http://www.apache.org/licenses/LICENSE-2.0 1065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** 1165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** Unless required by applicable law or agreed to in writing, software 1265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** distributed under the License is distributed on an "AS IS" BASIS, 1365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** See the License for the specific language governing permissions and 1565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian** limitations under the License. 1665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian*/ 1765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#ifndef ANDROID_AUDIO_MIXER_H 1965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#define ANDROID_AUDIO_MIXER_H 2065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <stdint.h> 2265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include <sys/types.h> 2365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include "AudioBufferProvider.h" 2565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#include "AudioResampler.h" 2665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopiannamespace android { 2865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 3065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianclass AudioMixer 3265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian{ 3365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianpublic: 3465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioMixer(size_t frameCount, uint32_t sampleRate); 3565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 36c19e22450e6e3d07594c935c7a9522e85e909e82Glenn Kasten /*virtual*/ ~AudioMixer(); // non-virtual saves a v-table, restore if sub-classed 3765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 3865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian static const uint32_t MAX_NUM_TRACKS = 32; 3965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian static const uint32_t MAX_NUM_CHANNELS = 2; 4065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian static const uint16_t UNITY_GAIN = 0x1000; 4265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 4365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enum { // names 4465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 459c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten // track names (MAX_NUM_TRACKS units) 4665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian TRACK0 = 0x1000, 4765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 481c48c3c61970527b97892ab6a2daae8eaac26964Glenn Kasten // 0x2000 is unused 4965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // setParameter targets 5165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian TRACK = 0x3000, 5265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian RESAMPLE = 0x3001, 5365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian RAMP_VOLUME = 0x3002, // ramp to new volume 5465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian VOLUME = 0x3003, // don't ramp 5565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 5665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // set Parameter names 5765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // for target TRACK 580d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi CHANNEL_MASK = 0x4000, 5965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian FORMAT = 0x4001, 6065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian MAIN_BUFFER = 0x4002, 6165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AUX_BUFFER = 0x4003, 62362c4e697d8e9c034e964ac7b40227e054491547Glenn Kasten // for target RESAMPLE 6365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian SAMPLE_RATE = 0x4100, 64243f5f91755c01614a8cafe90b0806396e22d553Eric Laurent RESET = 0x4101, 65362c4e697d8e9c034e964ac7b40227e054491547Glenn Kasten // for target RAMP_VOLUME and VOLUME (8 channels max) 6665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian VOLUME0 = 0x4200, 6765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian VOLUME1 = 0x4201, 6865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AUXLEVEL = 0x4210, 6965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian }; 7065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 7165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 729c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten // For all APIs with "name": TRACK0 <= name < TRACK0 + MAX_NUM_TRACKS 7317a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 7417a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten // Allocate a track name. Returns new track name if successful, -1 on failure. 7565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int getTrackName(); 7617a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 7717a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten // Free an allocated track by name 7865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian void deleteTrackName(int name); 7965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 8017a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten // Enable or disable an allocated track by name 819c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten void enable(int name); 829c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten void disable(int name); 8365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 849c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten void setParameter(int name, int target, int param, void *value); 8565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 869c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten void setBufferProvider(int name, AudioBufferProvider* bufferProvider); 874ff14bae91075eb274eb1c2975982358946e7e63John Grossman void process(int64_t pts); 8865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 8965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t trackNames() const { return mTrackNames; } 9065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 91c59c004a3a6042c0990d71179f88eee2ce781e3cGlenn Kasten size_t getUnreleasedFrames(int name) const; 92071ccd5a9702500f3f7d62ef881300914926184dEric Laurent 9365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopianprivate: 9465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 9565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enum { 9665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian NEEDS_CHANNEL_COUNT__MASK = 0x00000003, 9765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian NEEDS_FORMAT__MASK = 0x000000F0, 9865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian NEEDS_MUTE__MASK = 0x00000100, 9965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian NEEDS_RESAMPLE__MASK = 0x00001000, 10065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian NEEDS_AUX__MASK = 0x00010000, 10165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian }; 10265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 10365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian enum { 10465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian NEEDS_CHANNEL_1 = 0x00000000, 10565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian NEEDS_CHANNEL_2 = 0x00000001, 10665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 10765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian NEEDS_FORMAT_16 = 0x00000010, 10865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 10965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian NEEDS_MUTE_DISABLED = 0x00000000, 11065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian NEEDS_MUTE_ENABLED = 0x00000100, 11165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 11265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian NEEDS_RESAMPLE_DISABLED = 0x00000000, 11365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian NEEDS_RESAMPLE_ENABLED = 0x00001000, 11465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 11565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian NEEDS_AUX_DISABLED = 0x00000000, 11665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian NEEDS_AUX_ENABLED = 0x00010000, 11765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian }; 11865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 11965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian struct state_t; 12065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian struct track_t; 12165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 12265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian typedef void (*hook_t)(track_t* t, int32_t* output, size_t numOutFrames, int32_t* temp, int32_t* aux); 12365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian static const int BLOCKSIZE = 16; // 4 cache lines 12465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 12565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian struct track_t { 12665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t needs; 12765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 12865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian union { 129bf71f1e7948406492376c6cbd5e6a30c8cb670e4Glenn Kasten int16_t volume[MAX_NUM_CHANNELS]; // [0]3.12 fixed point 13065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t volumeRL; 13165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian }; 13265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 133bf71f1e7948406492376c6cbd5e6a30c8cb670e4Glenn Kasten int32_t prevVolume[MAX_NUM_CHANNELS]; 13465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1353b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten // 16-byte boundary 1363b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten 137bf71f1e7948406492376c6cbd5e6a30c8cb670e4Glenn Kasten int32_t volumeInc[MAX_NUM_CHANNELS]; 13865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t auxInc; 13965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t prevAuxLevel; 14065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1413b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten // 16-byte boundary 1423b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten 1433b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten int16_t auxLevel; // 0 <= auxLevel <= MAX_GAIN_INT, but signed for mul performance 14465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint16_t frameCount; 14565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1463b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten uint8_t channelCount; // 1 or 2, redundant with (needs & NEEDS_CHANNEL_COUNT__MASK) 1473b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten uint8_t format; // always 16 1483b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten uint16_t enabled; // actually bool 1493b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten uint32_t channelMask; // currently under-used 15065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 15165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioBufferProvider* bufferProvider; 1523b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten 1533b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten // 16-byte boundary 1543b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten 1553b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten mutable AudioBufferProvider::Buffer buffer; // 8 bytes 15665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 15765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian hook_t hook; 15854c3b66444ebfb9f2265ee70ac3b76ccefa0506aGlenn Kasten const void* in; // current location in buffer 15965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1603b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten // 16-byte boundary 1613b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten 16265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian AudioResampler* resampler; 16365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t sampleRate; 16465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t* mainBuffer; 16565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t* auxBuffer; 16665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1673b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten // 16-byte boundary 1683b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten 1694ff14bae91075eb274eb1c2975982358946e7e63John Grossman uint64_t localTimeFreq; 1704ff14bae91075eb274eb1c2975982358946e7e63John Grossman 1713b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten int64_t padding; 1723b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten 1733b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten // 16-byte boundary 1743b81acab52b7140c1b8b20be2d67be3e221637e7Glenn Kasten 17565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian bool setResampler(uint32_t sampleRate, uint32_t devSampleRate); 176c59c004a3a6042c0990d71179f88eee2ce781e3cGlenn Kasten bool doesResample() const { return resampler != NULL; } 177c59c004a3a6042c0990d71179f88eee2ce781e3cGlenn Kasten void resetResampler() { if (resampler != NULL) resampler->reset(); } 17865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian void adjustVolumeRamp(bool aux); 179c59c004a3a6042c0990d71179f88eee2ce781e3cGlenn Kasten size_t getUnreleasedFrames() const { return resampler != NULL ? 180c59c004a3a6042c0990d71179f88eee2ce781e3cGlenn Kasten resampler->getUnreleasedFrames() : 0; }; 18165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian }; 18265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 18365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian // pad to 32-bytes to fill cache line 18465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian struct state_t { 18565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t enabledTracks; 18665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t needsChanged; 18765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian size_t frameCount; 188a111792f1314479c649d1d44c30c2caf70c00c2aGlenn Kasten void (*hook)(state_t* state, int64_t pts); // one of process__*, never NULL 18965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *outputTemp; 19065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t *resampleTemp; 19165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian int32_t reserved[2]; 192bf71f1e7948406492376c6cbd5e6a30c8cb670e4Glenn Kasten track_t tracks[MAX_NUM_TRACKS]; __attribute__((aligned(32))); 19365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian }; 19465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 1959c56d4ae6212c21ce5fd71ed534eb195983a07c1Glenn Kasten // bitmask of allocated track names, where bit 0 corresponds to TRACK0 etc. 19665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian uint32_t mTrackNames; 19765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian const uint32_t mSampleRate; 19865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 19965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian state_t mState __attribute__((aligned(32))); 20065ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 20165ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian void invalidateState(uint32_t mask); 20265ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 20365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian static void track__genericResample(track_t* t, int32_t* out, size_t numFrames, int32_t* temp, int32_t* aux); 20465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian static void track__nop(track_t* t, int32_t* out, size_t numFrames, int32_t* temp, int32_t* aux); 20565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian static void track__16BitsStereo(track_t* t, int32_t* out, size_t numFrames, int32_t* temp, int32_t* aux); 20665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian static void track__16BitsMono(track_t* t, int32_t* out, size_t numFrames, int32_t* temp, int32_t* aux); 20765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian static void volumeRampStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux); 20865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian static void volumeStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux); 20965ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 2104ff14bae91075eb274eb1c2975982358946e7e63John Grossman static void process__validate(state_t* state, int64_t pts); 2114ff14bae91075eb274eb1c2975982358946e7e63John Grossman static void process__nop(state_t* state, int64_t pts); 2124ff14bae91075eb274eb1c2975982358946e7e63John Grossman static void process__genericNoResampling(state_t* state, int64_t pts); 2134ff14bae91075eb274eb1c2975982358946e7e63John Grossman static void process__genericResampling(state_t* state, int64_t pts); 2144ff14bae91075eb274eb1c2975982358946e7e63John Grossman static void process__OneTrack16BitsStereoNoResampling(state_t* state, 2154ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts); 21681a028fef62bcadf13fc8550067a3d29c918b3caGlenn Kasten#if 0 2174ff14bae91075eb274eb1c2975982358946e7e63John Grossman static void process__TwoTracks16BitsStereoNoResampling(state_t* state, 2184ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts); 21981a028fef62bcadf13fc8550067a3d29c918b3caGlenn Kasten#endif 2204ff14bae91075eb274eb1c2975982358946e7e63John Grossman 2214ff14bae91075eb274eb1c2975982358946e7e63John Grossman static int64_t calculateOutputPTS(const track_t& t, int64_t basePTS, 2224ff14bae91075eb274eb1c2975982358946e7e63John Grossman int outputFrameIndex); 22365ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian}; 22465ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 22565ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian// ---------------------------------------------------------------------------- 22665ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian}; // namespace android 22765ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian 22865ab47156e1c7dfcd8cc4266253a5ff30219e7f0Mathias Agopian#endif // ANDROID_AUDIO_MIXER_H 229