how to identify planar audio

1 files changed, 8 insertions, 123 deletions

diff --git a/rotord/libavwrapper.cpp b/rotord/libavwrapper.cpp
index be61ae9..5e767e0 100755
--- a/rotord/libavwrapper.cpp
+++ b/rotord/libavwrapper.cpp
@@ -1,23 +1,14 @@
-#include "libavwrapper_guarded.h"
+#include "libavwrapper.h"
 
 extern Poco::Mutex mutex; //application wide mutex
 static Poco::Mutex mutex;
 
-///this seems to create a long pause and finally crash
 
 extern "C"
 {
 #include <libswscale/swscale.h>
 }
 
-/*
-#include <QNetworkReply>
-#include <QNetworkRequest>
-#include <QEventLoop>
-#include <QFileInfo>
-#include <QMutexLocker>
-#include <QDebug>
-*/
 
 #include <stdexcept>
 #include <iostream>
@@ -28,28 +19,13 @@ using namespace std;
 // Translated to C++ by Christopher Bruns May 2012
 // from ffmeg_adapt.c in whisk package by Nathan Clack, Mark Bolstadt, Michael Meeuwisse
 
-//QMutex decoder::mutex;
 
 // Avoid link error on some macs
 #ifdef __APPLE__
 extern "C" {
 #include <stdlib.h>
 #include <errno.h>
-// #include "compiler/compiler.h"
-
-/*
- * Darwin doesn't have posix_memalign(), provide a private
- * weak alternative
- */
-    /*
-int __weak posix_memalign(void **ptr, size_t align, size_t size)
-{
-       if (*ptr)
-               return 0;
 
-       return ENOMEM;
-}
-*/
 }
 #endif
 
@@ -148,19 +124,10 @@ libav::decoder::decoder(PixelFormat pixelFormat)
     mutex.unlock();
 }
 
-/*
-decoder::decoder(QUrl url, PixelFormat pixelFormat)
-    : isOpen(false)
-{
-    //QMutexLocker lock(&decoder::mutex);
-    initialize();
-    format = pixelFormat;
-    isOpen = open(url, pixelFormat);
-}
-*/
+
 
 void libav::decoder::cleanup(){
-    //QMutexLocker lock(&decoder::mutex);
+    
     mutex.lock();
     if (NULL != Sctx) {
         sws_freeContext(Sctx);
@@ -197,11 +164,6 @@ void libav::decoder::cleanup(){
         avioContext = NULL;
     }
     */
-    //QNetworkreply
-    //if (reply != NULL) {
-     //   reply->deleteLater();
-     //   reply = NULL;
-    //}
     // Don't need to free pCodec?
 
 }
@@ -211,80 +173,8 @@ libav::decoder::~decoder()
 {
     cleanup();
 }
-/*
-bool decoder::open(QUrl url, enum PixelFormat formatParam)
-{
-    if (url.isEmpty())
-        return false;
-
-    // Is the movie source a local file?
-    if (url.host() == "localhost")
-        url.setHost("");
-    QString fileName = url.toLocalFile();
-    if ( (! fileName.isEmpty())
-        && (QFileInfo(fileName).exists()) )
-    {
-        // return open(fileName, formatParam); // for testing only
-
-        // Yes, the source is a local file
-        fileStream.setFileName(fileName);
-        // qDebug() << fileName;
-        if (! fileStream.open(QIODevice::ReadOnly))
-            return false;
-        return open(fileStream, fileName, formatParam);
-    }
-
-    // ...No, the source is not a local file
-    if (url.host() == "")
-        url.setHost("localhost");
-    fileName = url.path();
-
-    // http://stackoverflow.com/questions/9604633/reading-a-file-located-in-memory-with-libavformat
-    // Load from URL
-    QEventLoop loop; // for synchronous url fetch http://stackoverflow.com/questions/5486090/qnetworkreply-wait-for-finished
-    QObject::connect(&networkManager, SIGNAL(finished(QNetworkReply*)),
-            &loop, SLOT(quit()));
-    QNetworkRequest request = QNetworkRequest(url);
-    // qDebug() << "networkManager" << __FILE__ << __LINE__;
-    reply = networkManager.get(request);
-    loop.exec();
-    if (reply->error() != QNetworkReply::NoError) {
-        // qDebug() << reply->error();
-        reply->deleteLater();
-        reply = NULL;
-        return false;
-    }
-    QIODevice * stream = reply;
-    // Mpeg needs seekable device, so create in-memory buffer if necessary
-    if (stream->isSequential()) {
-        byteArray = stream->readAll();
-        fileBuffer.setBuffer(&byteArray);
-        fileBuffer.open(QIODevice::ReadOnly);
-        if (! fileBuffer.seek(0))
-            return false;
-        stream = &fileBuffer;
-        assert(! stream->isSequential());
-    }
-    bool result = open(*stream, fileName, formatParam);
-    return result;
-}
 
-bool decoder::open(QIODevice& fileStream, QString& fileName, enum PixelFormat formatParam)
-{
-    // http://stackoverflow.com/questions/9604633/reading-a-file-located-in-memory-with-libavformat
-    // I think AVIOContext is the trick used to redivert the input stream
-    ioBuffer = (unsigned char *)av_malloc(ioBufferSize + FF_INPUT_BUFFER_PADDING_SIZE); // can get av_free()ed by libav
-    avioContext = avio_alloc_context(ioBuffer, ioBufferSize, 0, (void*)(&fileStream), &readFunction, NULL, &seekFunction);
-    container = avformat_alloc_context();
-    container->pb = avioContext;
 
-    // Open file, check usability
-    std::string fileNameStd = fileName.toStdString();
-    if (!avtry( avformat_open_input(&container, fileNameStd.c_str(), NULL, NULL), fileNameStd ))
-        return false;
-    return openUsingInitializedContainer(formatParam);
-}
-*/
 // file name based method for historical continuity
 bool libav::decoder::open(char* fileName, enum PixelFormat formatParam){
 
@@ -730,17 +620,8 @@ libav::encoder::encoder(const char * file_name, int width, int height, float _fr
     if (aCtx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)
             audio_input_frame_size = 10000;
     else
-        audio_input_frame_size = aCtx->frame_size; //is coming out at 0?
-
-    cerr<<"audio codec frame size is "<<audio_input_frame_size<<endl;
-
-    //if (audio_input_frame_size ==0) { can't do this
-    //    audio_input_frame_size =10000;
-    //}
+        audio_input_frame_size = aCtx->frame_size; 
 
-    // [mpeg4 @ 0x7f02f00200e0] nb_samples (10000) != frame_size (0) (avcodec_encode_audio2) - quits thread
-    // why is frame size 0?
-    // should there be a seperate pCtx for audio?
 
     if (container->oformat->flags & AVFMT_GLOBALHEADER)
             aCtx->flags |= CODEC_FLAG_GLOBAL_HEADER;
@@ -1502,6 +1383,8 @@ bool libav::audioloader::setup(const std::string &filename){
             return false;
         }
 
+        //use the first audio stream found
+
         audioStream = NULL;
         for (unsigned int i = 0; i < formatContext->nb_streams; ++i)
         {
@@ -1551,6 +1434,8 @@ bool libav::audioloader::setup(const std::string &filename){
         std::cout << "This stream has " << codecContext->channels << " channels, a sample rate of " << codecContext->sample_rate << "Hz and "<<samples <<" samples" << std::endl;
         std::cout << "The data is in format " <<codecContext->sample_fmt<< " (aka "<< av_get_sample_fmt_name(codecContext->sample_fmt) << ") "<<std::endl;
 
+        if(av_sample_fmt_is_planar(codecContext->sample_fmt)) cerr<<"found planar audio"<<endl;
+
         av_init_packet(&packet);
         //sample_processed=0;
         ready=true;