unplug AMZ's lavc audio
Originally committed to SVN as r324.
This commit is contained in:
David Lamparter
parent
18b92130b8
commit
33ff5515e5
2 changed files with 0 additions and 247 deletions
|
|
@ -1,162 +0,0 @@
|
|||
// 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 <wx/wxprec.h>
|
||||
#include <wx/filename.h>
|
||||
#include "audio_provider_lavc.h"
|
||||
#include "options.h"
|
||||
|
||||
|
||||
//////////////
|
||||
// Constructor
|
||||
LAVCAudioProvider::LAVCAudioProvider(wxString _filename) {
|
||||
// Set filename
|
||||
filename = _filename;
|
||||
|
||||
// Init lavc variables
|
||||
codecContext = NULL;
|
||||
formatContext = NULL;
|
||||
codec = NULL;
|
||||
stream = NULL;
|
||||
frame = NULL;
|
||||
|
||||
// Register types
|
||||
static bool avRegistered = false;
|
||||
if (!avRegistered) {
|
||||
av_register_all();
|
||||
avRegistered = true;
|
||||
}
|
||||
|
||||
// Load audio
|
||||
LoadAudio(filename);
|
||||
}
|
||||
|
||||
|
||||
//////////////
|
||||
// Destructor
|
||||
LAVCAudioProvider::~LAVCAudioProvider() {
|
||||
Close();
|
||||
}
|
||||
|
||||
|
||||
////////////////
|
||||
// Get filename
|
||||
wxString LAVCAudioProvider::GetFilename() {
|
||||
return filename;
|
||||
}
|
||||
|
||||
|
||||
//////////////
|
||||
// Load audio
|
||||
void LAVCAudioProvider::LoadAudio(wxString file) {
|
||||
// Close first
|
||||
Close();
|
||||
|
||||
try {
|
||||
// Open file
|
||||
int result = 0;
|
||||
result = av_open_input_file(&formatContext,filename.mb_str(wxConvLocal),NULL,0,NULL);
|
||||
if (result != 0) throw _T("Failed opening file.");
|
||||
|
||||
// Get stream info
|
||||
result = av_find_stream_info(formatContext);
|
||||
if (result < 0) throw _T("Unable to read stream info");
|
||||
|
||||
// Find audio stream
|
||||
audStream = -1;
|
||||
codecContext = NULL;
|
||||
for (int i=0;i<formatContext->nb_streams;i++) {
|
||||
codecContext = formatContext->streams[i]->codec;
|
||||
if (codecContext->codec_type == CODEC_TYPE_AUDIO) {
|
||||
stream = formatContext->streams[i];
|
||||
audStream = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (audStream == -1) throw _T("Could not find an audio stream");
|
||||
|
||||
// Find codec
|
||||
codec = avcodec_find_decoder(codecContext->codec_id);
|
||||
if (!codec) throw _T("Could not find suitable audio decoder");
|
||||
|
||||
// Enable truncation
|
||||
//if (codec->capabilities & CODEC_CAP_TRUNCATED) codecContext->flags |= CODEC_FLAG_TRUNCATED;
|
||||
|
||||
// Open codec
|
||||
result = avcodec_open(codecContext,codec);
|
||||
if (result < 0) throw _T("Failed to open audio decoder");
|
||||
|
||||
// Set variables
|
||||
sample_rate = codecContext->sample_rate;
|
||||
channels = codecContext->channels;
|
||||
bytes_per_sample = 2; //codecContext->sample_fmt;
|
||||
num_samples = stream->duration / bytes_per_sample;
|
||||
}
|
||||
|
||||
// Catch errors
|
||||
catch (...) {
|
||||
Close();
|
||||
throw;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//////////
|
||||
// Unload
|
||||
void LAVCAudioProvider::Close() {
|
||||
// Clean frame
|
||||
if (frame) av_free(frame);
|
||||
frame = NULL;
|
||||
|
||||
// Close codec context
|
||||
if (codec && codecContext) avcodec_close(codecContext);
|
||||
codecContext = NULL;
|
||||
codec = NULL;
|
||||
|
||||
// Close format context
|
||||
if (formatContext) av_close_input_file(formatContext);
|
||||
formatContext = NULL;
|
||||
}
|
||||
|
||||
|
||||
/////////////
|
||||
// Get audio
|
||||
void LAVCAudioProvider::GetAudio(void *buf, __int64 start, __int64 count) {
|
||||
// TODO
|
||||
for (__int64 i=0;i<count;i++) ((short*)buf)[i] = 0;
|
||||
}
|
||||
|
|
@ -1,85 +0,0 @@
|
|||
// 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
|
||||
|
||||
|
||||
///////////////////////////////////
|
||||
// Auto-enable LAVC on non-windows
|
||||
#ifndef __WINDOWS__
|
||||
#ifndef USE_LAVC
|
||||
#define USE_LAVC
|
||||
#endif
|
||||
#endif
|
||||
|
||||
|
||||
///////////
|
||||
// Headers
|
||||
#ifdef USE_LAVC
|
||||
#define EMULATE_INTTYPES
|
||||
#include <ffmpeg/avcodec.h>
|
||||
#include <ffmpeg/avformat.h>
|
||||
#include <wx/wxprec.h>
|
||||
#include "audio_provider.h"
|
||||
|
||||
|
||||
////////////////////////
|
||||
// Audio provider class
|
||||
class LAVCAudioProvider : public AudioProvider {
|
||||
private:
|
||||
wxString filename;
|
||||
|
||||
AVFormatContext *formatContext;
|
||||
AVCodecContext *codecContext;
|
||||
AVStream *stream;
|
||||
AVCodec *codec;
|
||||
AVFrame *frame;
|
||||
int audStream;
|
||||
|
||||
void LoadAudio(wxString file);
|
||||
void Close();
|
||||
|
||||
public:
|
||||
LAVCAudioProvider(wxString _filename);
|
||||
~LAVCAudioProvider();
|
||||
|
||||
wxString GetFilename();
|
||||
|
||||
void GetAudio(void *buf, __int64 start, __int64 count);
|
||||
void GetWaveForm(int *min,int *peak,__int64 start,int w,int h,int samples,float scale);
|
||||
};
|
||||
|
||||
#endif
|
||||
Loading…
Reference in a new issue