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Code Issues Releases Wiki Activity

RAM cache separated from avisynth provider 

Originally committed to SVN as r172.
This commit is contained in:
Rodrigo Braz Monteiro 2006-02-25 08:26:29 +00:00
parent 18d948ef97
commit c8a7912319
9 changed files with 281 additions and 124 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
core/audio_player_portaudio.cpp
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@ -171,8 +171,9 @@ void PortAudioPlayer::Stop(bool timerToo) {
void PortAudioPlayer::OpenStream() {
// Open stream
PaError err = Pa_OpenDefaultStream(&stream,0,provider->GetChannels(),paInt16,provider->GetSampleRate(),256,16,paCallback,this);
if (err != paNoError)
if (err != paNoError) {
throw wxString(_T("Failed initializing PortAudio stream with error: ") + wxString(Pa_GetErrorText(err),wxConvLocal));
}
}

12
core/audio_provider.cpp
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@ -38,6 +38,8 @@
// Headers
#include <wx/wxprec.h>
#include "audio_provider_avs.h"
#include "audio_provider_ram.h"
#include "audio_provider_hd.h"
#include "options.h"
#include "audio_display.h"
@ -178,11 +180,15 @@ AudioProvider *AudioProvider::GetAudioProvider(wxString filename, AudioDisplay *
}
// Change provider to RAM/HD cache if needed
if (false) {
int cacheMode = Options.AsInt(_T("Audio Cache"));
if (cacheMode) {
AudioProvider *final = NULL;
//final = new RAMAudioProvider(provider);
//final = new HDAudioProvider(provider);
// Convert to RAM
if (cacheMode == 1) final = new RAMAudioProvider(provider);
// Convert to HD
//if (cacheMode == 2) final = new HDAudioProvider(provider);
// Reassign
if (final) {

4
core/audio_provider.h
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@ -40,10 +40,6 @@
///////////
// Headers
#include <wx/wxprec.h>
#include <fstream>
#include <time.h>
#include "avisynth_wrap.h"
#include "audio_player.h"
//////////////

108
core/audio_provider_avs.cpp
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@ -48,16 +48,11 @@
#include "main.h"
#include "dialog_progress.h"
#define CacheBits ((22))
#define CacheBlockSize ((1 << CacheBits))
//////////////
// Constructor
AvisynthAudioProvider::AvisynthAudioProvider(wxString _filename) {
type = AUDIO_PROVIDER_NONE;
blockcache = NULL;
blockcount = 0;
blockcount = 0;
filename = _filename;
@ -89,14 +84,6 @@ void AvisynthAudioProvider::Unload() {
file_cache.close();
wxRemoveFile(DiskCacheName());
}
// Free ram cache
if (blockcache) {
for (int i = 0; i < blockcount; i++)
if (blockcache[i])
delete blockcache[i];
delete blockcache;
}
}
@ -158,76 +145,8 @@ void AvisynthAudioProvider::LoadFromClip(AVSValue _clip) {
sample_rate = vi.SamplesPerSecond();
bytes_per_sample = vi.BytesPerAudioSample();
// Read whole thing into ram cache
if (Options.AsInt(_T("Audio Cache")) == 1) {
ConvertToRAMCache(tempclip);
clip = NULL;
}
// Disk cache
else if (Options.AsInt(_T("Audio Cache")) == 2) {
ConvertToDiskCache(tempclip);
clip = NULL;
}
// Assign to avisynth
else {
// Set
clip = tempclip;
}
}
/////////////
// RAM Cache
void AvisynthAudioProvider::ConvertToRAMCache(PClip &tempclip) {
// Allocate cache
__int64 ssize = num_samples * bytes_per_sample;
blockcount = (ssize + CacheBlockSize - 1) >> CacheBits;
blockcache = new char*[blockcount];
for (int i = 0; i < blockcount; i++)
blockcache[i] = NULL;
try {
for (int i = 0; i < blockcount; i++)
blockcache[i] = new char[MIN(CacheBlockSize,ssize-i*CacheBlockSize)];
} catch (...) {
for (int i = 0; i < blockcount; i++)
delete blockcache[i];
delete blockcache;
blockcache = NULL;
blockcount = 0;
if (wxMessageBox(_("Not enough ram available. Use disk cache instead?"),_("Audio Information"),wxICON_INFORMATION | wxYES_NO) == wxYES) {
ConvertToDiskCache(tempclip);
return;
} else
throw wxString(_T("Couldn't open audio, not enough ram available."));
}
// Start progress
volatile bool canceled = false;
DialogProgress *progress = new DialogProgress(NULL,_("Load audio"),&canceled,_("Reading into RAM"),0,num_samples);
progress->Show();
progress->SetProgress(0,1);
// Read cache
int readsize = CacheBlockSize / bytes_per_sample;
for (int i=0;i<blockcount && !canceled; i++) {
tempclip->GetAudio((char*)blockcache[i],i*readsize, i == blockcount-1 ? (num_samples - i*readsize) : readsize,env);
progress->SetProgress(i,blockcount-1);
}
type = AUDIO_PROVIDER_CACHE;
// Clean up progress
if (!canceled)
progress->Destroy();
else
throw wxString(_T("Audio loading cancelled by user"));
}
@ -283,7 +202,6 @@ int aaa = 0;
/////////////
// Get audio
void AvisynthAudioProvider::GetAudio(void *buf, __int64 start, __int64 count) {
// Requested beyond the length of audio
if (start+count > num_samples) {
__int64 oldcount = count;
@ -306,30 +224,8 @@ void AvisynthAudioProvider::GetAudio(void *buf, __int64 start, __int64 count) {
}
if (count) {
char *charbuf = (char *)buf;
// RAM Cache
if (type == AUDIO_PROVIDER_CACHE) {
int i = (start*bytes_per_sample) >> CacheBits;
int start_offset = (start*bytes_per_sample) & (CacheBlockSize-1);
__int64 bytesremaining = count*bytes_per_sample;
while (bytesremaining) {
int readsize=MIN(bytesremaining,CacheBlockSize);
readsize = MIN(readsize,CacheBlockSize - start_offset);
memcpy(charbuf,(char *)(blockcache[i++]+start_offset),readsize);
charbuf+=readsize;
start_offset=0;
bytesremaining-=readsize;
}
}
// Disk cache
else if (type == AUDIO_PROVIDER_DISK_CACHE) {
if (type == AUDIO_PROVIDER_DISK_CACHE) {
wxMutexLocker disklock(diskmutex);
file_cache.seekg(start*bytes_per_sample);
file_cache.read((char*)buf,count*bytes_per_sample*channels);

10
core/audio_provider_avs.h
View File

@ -53,7 +53,6 @@
enum AudioProviderType {
AUDIO_PROVIDER_NONE,
AUDIO_PROVIDER_AVS,
AUDIO_PROVIDER_CACHE,
AUDIO_PROVIDER_DISK_CACHE
};
@ -64,19 +63,12 @@ class AvisynthAudioProvider : public AudioProvider, public AviSynthWrapper {
private:
wxMutex diskmutex;
AudioProviderType type;
char** blockcache;
int blockcount;
AudioDisplay *display;
std::ifstream file_cache;
AudioProviderType type;
wxString filename;
PClip clip;
void ConvertToRAMCache(PClip &tempclip);
void ConvertToDiskCache(PClip &tempclip);
void LoadFromClip(AVSValue clip);
void OpenAVSAudio();

38
core/audio_provider_hd.cpp Normal file
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@ -0,0 +1,38 @@
// Copyright (c) 2005-2006, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// -----------------------------------------------------------------------------
//
// AEGISUB
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:zeratul@cellosoft.com
//
///////////
// Headers

0
core/audio_provider_hd.h Normal file
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169
core/audio_provider_ram.cpp Normal file
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@ -0,0 +1,169 @@
// Copyright (c) 2005-2006, Rodrigo Braz Monteiro, Fredrik Mellbin
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// -----------------------------------------------------------------------------
//
// AEGISUB
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:zeratul@cellosoft.com
//
///////////
// Headers
#include "dialog_progress.h"
#include "audio_provider_ram.h"
#include "utils.h"
///////////
// Defines
#define CacheBits ((22))
#define CacheBlockSize ((1 << CacheBits))
///////////////
// Constructor
RAMAudioProvider::RAMAudioProvider(AudioProvider *source) {
// Init
blockcache = NULL;
blockcount = 0;
// Allocate cache
__int64 ssize = source->GetNumSamples() * source->GetBytesPerSample();
blockcount = (ssize + CacheBlockSize - 1) >> CacheBits;
blockcache = new char*[blockcount];
for (int i = 0; i < blockcount; i++) {
blockcache[i] = NULL;
}
// Allocate cache blocks
try {
for (int i = 0; i < blockcount; i++) {
blockcache[i] = new char[MIN(CacheBlockSize,ssize-i*CacheBlockSize)];
}
}
catch (...) {
Clear();
throw wxString(_T("Couldn't open audio, not enough ram available."));
}
// Copy data
bytes_per_sample = source->GetBytesPerSample();
num_samples = source->GetNumSamples();
channels = source->GetChannels();
sample_rate = source->GetSampleRate();
filename = source->GetFilename();
// Start progress
volatile bool canceled = false;
DialogProgress *progress = new DialogProgress(NULL,_("Load audio"),&canceled,_("Reading into RAM"),0,source->GetNumSamples());
progress->Show();
progress->SetProgress(0,1);
// Read cache
int readsize = CacheBlockSize / source->GetBytesPerSample();
for (int i=0;i<blockcount && !canceled; i++) {
//tempclip->GetAudio((char*)blockcache[i],i*readsize, i == blockcount-1 ? (num_samples - i*readsize) : readsize,env);
source->GetAudio((char*)blockcache[i],i*readsize, i == blockcount-1 ? (source->GetNumSamples() - i*readsize) : readsize);
progress->SetProgress(i,blockcount-1);
}
// Clean up progress
if (!canceled) progress->Destroy();
else throw wxString(_T("Audio loading cancelled by user"));
}
//////////////
// Destructor
RAMAudioProvider::~RAMAudioProvider() {
Clear();
}
/////////
// Clear
void RAMAudioProvider::Clear() {
// Free ram cache
if (blockcache) {
for (int i = 0; i < blockcount; i++) {
delete [] blockcache[i];
}
delete [] blockcache;
}
blockcache = NULL;
blockcount = 0;
}
/////////////
// Get audio
void RAMAudioProvider::GetAudio(void *buf, __int64 start, __int64 count) {
// Requested beyond the length of audio
if (start+count > num_samples) {
__int64 oldcount = count;
count = num_samples-start;
if (count < 0) count = 0;
// Fill beyond with zero
if (bytes_per_sample == 1) {
char *temp = (char *) buf;
for (int i=count;i<oldcount;i++) {
temp[i] = 0;
}
}
if (bytes_per_sample == 2) {
short *temp = (short *) buf;
for (int i=count;i<oldcount;i++) {
temp[i] = 0;
}
}
}
if (count) {
// Prepare copy
char *charbuf = (char *)buf;
int i = (start*bytes_per_sample) >> CacheBits;
int start_offset = (start*bytes_per_sample) & (CacheBlockSize-1);
__int64 bytesremaining = count*bytes_per_sample;
// Copy
while (bytesremaining) {
int readsize=MIN(bytesremaining,CacheBlockSize);
readsize = MIN(readsize,CacheBlockSize - start_offset);
memcpy(charbuf,(char *)(blockcache[i++]+start_offset),readsize);
charbuf+=readsize;
start_offset=0;
bytesremaining-=readsize;
}
}
}

59
core/audio_provider_ram.h Normal file
View File

@ -0,0 +1,59 @@
// Copyright (c) 2006, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// -----------------------------------------------------------------------------
//
// AEGISUB
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:zeratul@cellosoft.com
//
#pragma once
///////////
// Headers
#include "audio_provider.h"
////////////////////////
// Audio provider class
class RAMAudioProvider : public AudioProvider {
private:
char** blockcache;
int blockcount;
void Clear();
public:
RAMAudioProvider(AudioProvider *source);
~RAMAudioProvider();
void GetAudio(void *buf, __int64 start, __int64 count);
};