Diffstat (limited to 'core/multimedia/opieplayer/wavplugin') (more/less context) (show whitespace changes)
5 files changed, 188 insertions, 43 deletions
diff --git a/core/multimedia/opieplayer/wavplugin/Makefile.in b/core/multimedia/opieplayer/wavplugin/Makefile.in index a46b925..bcbe7f2 100644 --- a/core/multimedia/opieplayer/wavplugin/Makefile.in +++ b/core/multimedia/opieplayer/wavplugin/Makefile.in @@ -97,15 +97,13 @@ REQUIRES= ####### Compile wavplugin.o: wavplugin.cpp \ - wavplugin.h \ - ../mediaplayerplugininterface.h + wavplugin.h wavpluginimpl.o: wavpluginimpl.cpp \ wavplugin.h \ - ../mediaplayerplugininterface.h \ wavpluginimpl.h diff --git a/core/multimedia/opieplayer/wavplugin/wavplugin.cpp b/core/multimedia/opieplayer/wavplugin/wavplugin.cpp index 7f63b3b..0be667f 100644 --- a/core/multimedia/opieplayer/wavplugin/wavplugin.cpp +++ b/core/multimedia/opieplayer/wavplugin/wavplugin.cpp @@ -14,23 +14,20 @@ ** See http://www.trolltech.com/gpl/ for GPL licensing information. ** ** Contact info@trolltech.com if any conditions of this licensing are ** not clear to you. ** **********************************************************************/ -// L.J.Potter added changes Fri 02-15-2002 - #include <stdio.h> #include <stdarg.h> #include <stdlib.h> #include <errno.h> #include <unistd.h> #include <qfile.h> #include "wavplugin.h" - //#define debugMsg(a) qDebug(a) #define debugMsg(a) struct RiffChunk { char id[4]; @@ -46,13 +43,13 @@ struct ChunkData { Q_INT32 avgBytesPerSec; Q_INT16 blockAlign; Q_INT16 wBitsPerSample; }; -const int sound_buffer_size = 512; // 4096; // you got to be kidding right? +const int sound_buffer_size = 4096; class WavPluginData { public: QFile *input; @@ -60,51 +57,57 @@ public: ChunkData chunkdata; RiffChunk chunk; uchar data[sound_buffer_size+32]; // +32 to handle badly aligned input data int out,max; int samples_due; int samples; + int freq; + int chan; + int sampleRate; + int resolution; WavPluginData() { max = out = sound_buffer_size; wavedata_remaining = 0; samples_due = 0; samples = -1; } // expands out samples to the frequency of 44kHz bool add( short *output, long count, long& done, bool stereo ) { + qDebug("add"); done = 0; - qApp->processEvents(); if ( input == 0 ) { qDebug("no input"); return FALSE; } while ( count ) { int l,r; if ( getSample(l, r) == FALSE ) { qDebug("didn't get sample"); return FALSE; } - samples_due += chunkdata.samplesPerSec; + samples_due += 44100; while ( count && (samples_due > chunkdata.samplesPerSec) ) { *output++ = l; if ( stereo ) *output++ = r; samples_due -= chunkdata.samplesPerSec; count--; done++; } } + return TRUE; } bool initialise() { + qDebug("initialize"); if ( input == 0 ) return FALSE; wavedata_remaining = -1; while ( wavedata_remaining == -1 ) { @@ -135,20 +138,25 @@ public: } #define WAVE_FORMAT_PCM 1 if ( chunkdata.formatTag != WAVE_FORMAT_PCM ) { qDebug("WAV file: UNSUPPORTED FORMAT %d",chunkdata.formatTag); return FALSE; } - } else { + } + + + + + else { // ignored chunk if ( chunk.size > 1000000000 || !input->at(input->at()+chunk.size) ) { return FALSE; } } } // while - qDebug("bits %d", chunkdata.wBitsPerSample); + return TRUE; } // gets a sample from the file bool getSample(int& l, int& r) @@ -169,31 +177,179 @@ public: out = 0; if ( max <= 0 ) { max = 0; return TRUE; } } - if ( chunkdata.wBitsPerSample == 8 ) { + if ( resolution == 8 ) { l = (data[out++] - 128) * 128; } else { l = ((short*)data)[out/2]; out += 2; } - if ( chunkdata.channels == 1 ) { + if ( chan == 1 ) { r = l; } else { - if ( chunkdata.wBitsPerSample == 8 ) { + if ( resolution == 8 ) { r = (data[out++] - 128) * 128; } else { r = ((short*)data)[out/2]; out += 2; } } return TRUE; } // getSample +////////////////////////////////////////////////////// +int getWavSettings(int fd) +{ //this came from wmrecord + + char t1[4]; + unsigned long l1; + int found; + short fmt; + unsigned short ch, brate; + unsigned long srate; + + + /* First read in the RIFF identifier. If this is missing then the + * file is not a valid WAVE file. + */ + if (read(fd, t1, 4)<4) { + qDebug(" Could not read from sound file.\n"); + return -1; + } + if (strncmp(t1, "RIFF", 4)) { + qDebug(" not a valid WAV file.\n"); + return -1; + } + /* Advance the file pointer to the next relevant field. */ + lseek(fd, 4, SEEK_CUR); + /* Read in the WAVE identifier. */ + if (read(fd, t1, 4)<4) { + qDebug("Could not read from sound file.\n"); + return -1; + } + if (strncmp(t1, "WAVE", 4)) { + qDebug("not a valid WAV file.\n"); + return -1; + } + + /* Search through the file for the format chunk. If the end of the + * file is reached without finding the chunk, then the file is not a + * valid WAVE file. + */ + found = 0; + while (!found) { + if (read(fd, t1, 4)<4) { + qDebug("Could not read from sound file.\n"); + return -1; + } + if (strncmp(t1, "fmt ", 4)) { + /* Determine the length of the chunk found and skip to the next + * chunk. The chunk length is always stored in the four bytes + * following the chunk id. + */ + if (read(fd, &l1, 4)<4) { + qDebug("Could not read from sound file.\n"); + return -1; + } + lseek(fd, l1, SEEK_CUR); + } + else { + /* This is the format chunk, which stores the playback settings + * for the recording. + */ + /* Skip the length field, since we don't really need it. */ + lseek(fd, 4, SEEK_CUR); + /* Read in the format tag. If it has a value of 1, then there is + * no compression and we can attempt to play the file + * back. Otherwise, return. + */ + if (read(fd, &fmt, 2)<2) { + qDebug("Could not read from format chunk.\n"); + return -1; + } + if (fmt != 1) { + qDebug("Wave file contains compressed data." + " Unable to continue.\n"); + return -1; + } + /* Get the stereo mode. */ + if (read(fd, &ch, 2)<2) { + qDebug("Could not read from format chunk.\n"); + return -1; + } + else { + chan = ch; + qDebug("File has %d channels", chan); + } + /* Get the sample rate. */ + if (read(fd, &srate, 4)<4) { + qDebug("Could not read from format chunk.\n"); + return -1; + } + else { + sampleRate = srate; + qDebug("File has samplerate of %d", sampleRate); + } + /* Get the bit rate. This is at the end of the format chunk. */ + lseek(fd, 6, SEEK_CUR); + if (read(fd, &brate, 2)<2) { + qDebug("Could not read from format chunk.\n"); + return -1; + } + else { + resolution = brate; + qDebug("File has bitrate of %d", resolution); + } + + found++; + } + } + + /* Search through the file for the data chunk. If the end of the + * file is reached without finding the chunk, then the file is not a + * valid WAVE file. + */ + found = 0; + while (!found) { + if (read(fd, t1, 4)<4) { + qDebug("Could not read from sound file.\n"); + return -1; + } + if (strncmp(t1, "data", 4)) { + /* Determine the length of the chunk found and skip to the next + * chunk. The chunk length is always stored in the four bytes + * following the chunk id. + */ + if (read(fd, &l1, 4)<4) { + qDebug("Could not read from sound file.\n"); + return -1; + } + lseek(fd, l1, SEEK_CUR); + } + else { + /* This is the data chunk, which stores the recording. */ + /* Get the length field. */ + if (read(fd, &l1, 4)<4) { + qDebug("Could not read from sound file.\n"); + return -1; + } + else { + samples =l1; + qDebug("file has length of %d\nlasting %d seconds",l1, (( l1 / sampleRate) / chan) / 2 ); // ???? + return l1; + } + } + } + + return 0; +} + +////////////////////////////////////////////////// }; WavPlugin::WavPlugin() { d = new WavPluginData; d->input = 0; @@ -204,13 +360,13 @@ WavPlugin::~WavPlugin() { close(); delete d; } bool WavPlugin::isFileSupported( const QString& path ) { -// qDebug( "WavPlugin::isFileSupported" ); + debugMsg( "WavPlugin::isFileSupported" ); char *ext = strrchr( path.latin1(), '.' ); // Test file extension if ( ext ) { if ( strncasecmp(ext, ".raw", 4) == 0 ) @@ -223,13 +379,13 @@ bool WavPlugin::isFileSupported( const QString& path ) { return FALSE; } bool WavPlugin::open( const QString& path ) { -// qDebug( "WavPlugin::open" ); + qDebug( "WavPlugin::open" ); d->max = d->out = sound_buffer_size; d->wavedata_remaining = 0; d->samples_due = 0; d->input = new QFile( path ); @@ -237,67 +393,69 @@ bool WavPlugin::open( const QString& path ) { qDebug("couldn't open file"); delete d->input; d->input = 0; return FALSE; } +// d->getWavSettings( d->input.handle()); d->initialise(); return TRUE; } bool WavPlugin::close() { -// qDebug( "WavPlugin::close" ); + qDebug( "WavPlugin::close" ); d->input->close(); delete d->input; d->input = 0; return TRUE; } bool WavPlugin::isOpen() { -// qDebug( "WavPlugin::isOpen" ); + qDebug( "WavPlugin::isOpen" ); return ( d->input != 0 ); } int WavPlugin::audioStreams() { -// qDebug( "WavPlugin::audioStreams" ); + qDebug( "WavPlugin::audioStreams" ); return 1; } int WavPlugin::audioChannels( int ) { -// qDebug( "WavPlugin::audioChannels" ); - return d->chunkdata.channels;// 2; // ### Always scale audio to stereo samples + debugMsg( "WavPlugin::audioChannels" ); + return d->chan; } int WavPlugin::audioFrequency( int ) { -// qDebug( "WavPlugin::audioFrequency %d", d->chunkdata.samplesPerSec ); - return d->chunkdata.samplesPerSec; //44100; // ### Always scale to frequency of 44100 + qDebug( "WavPlugin::audioFrequency" ); + return d->freq; } int WavPlugin::audioSamples( int ) { -// qDebug( "WavPlugin::audioSamples" ); - return d->samples / d->chunkdata.channels/2; // ### Scaled samples will be made stereo, - // Therefore if source is mono we will double the number of samples + qDebug( "WavPlugin::audioSamples" ); + return d->samples; +// return d->samples * 2 / d->chunkdata.channels; // ### Scaled samples will be made stereo, +// // Therefore if source is mono we will double the number of samples } bool WavPlugin::audioSetSample( long, int ) { -// qDebug( "WavPlugin::audioSetSample" ); + qDebug( "WavPlugin::audioSetSample" ); return FALSE; } long WavPlugin::audioGetSample( int ) { -// qDebug( "WavPlugin::audioGetSample" ); + qDebug( "WavPlugin::audioGetSample" ); return 0; } /* bool WavPlugin::audioReadSamples( short *, int, long, int ) { debugMsg( "WavPlugin::audioReadSamples" ); @@ -321,21 +479,16 @@ bool WavPlugin::audioReadStereoSamples( short *output, long samples, long& sampl debugMsg( "WavPlugin::audioReadStereoSamples" ); return !d->add( output, samples, samplesMade, TRUE ); } */ bool WavPlugin::audioReadSamples( short *output, int channels, long samples, long& samplesMade, int ) { -// qDebug( "WavPlugin::audioReadSamples" ); + qDebug( "WavPlugin::audioReadSamples" ); return d->add( output, samples, samplesMade, channels != 1 ); } double WavPlugin::getTime() { -// qDebug( "WavPlugin::getTime" ); + qDebug( "WavPlugin::getTime" ); return 0.0; } -int WavPlugin::audioBitsPerSample( int ) { -// qDebug( "WavPlugin::audioFormat %d", d->chunkdata.wBitsPerSample ); - return d->chunkdata.wBitsPerSample; // -} - diff --git a/core/multimedia/opieplayer/wavplugin/wavplugin.h b/core/multimedia/opieplayer/wavplugin/wavplugin.h index 6afd67e..19d1a8e 100644 --- a/core/multimedia/opieplayer/wavplugin/wavplugin.h +++ b/core/multimedia/opieplayer/wavplugin/wavplugin.h @@ -14,21 +14,18 @@ ** See http://www.trolltech.com/gpl/ for GPL licensing information. ** ** Contact info@trolltech.com if any conditions of this licensing are ** not clear to you. ** **********************************************************************/ -// L.J.Potter added changes Fri 02-15-2002 - #ifndef WAV_PLUGIN_H #define WAV_PLUGIN_H - #include <qstring.h> #include <qapplication.h> -#include "../mediaplayerplugininterface.h" +#include <qpe/mediaplayerplugininterface.h> // #define OLD_MEDIAPLAYER_API class WavPluginData; @@ -51,13 +48,12 @@ public: const QString &fileInfo() { return strInfo = ""; } // If decoder doesn't support audio then return 0 here int audioStreams(); int audioChannels( int stream ); int audioFrequency( int stream ); - int audioBitsPerSample( int stream ); int audioSamples( int stream ); bool audioSetSample( long sample, int stream ); long audioGetSample( int stream ); #ifdef OLD_MEDIAPLAYER_API bool audioReadMonoSamples( short *output, long samples, long& samplesRead, int stream ); bool audioReadStereoSamples( short *output, long samples, long& samplesRead, int stream ); diff --git a/core/multimedia/opieplayer/wavplugin/wavpluginimpl.cpp b/core/multimedia/opieplayer/wavplugin/wavpluginimpl.cpp index 1f7b85b..2923180 100644 --- a/core/multimedia/opieplayer/wavplugin/wavpluginimpl.cpp +++ b/core/multimedia/opieplayer/wavplugin/wavpluginimpl.cpp @@ -17,13 +17,12 @@ ** not clear to you. ** **********************************************************************/ #include "wavplugin.h" #include "wavpluginimpl.h" - WavPluginImpl::WavPluginImpl() : libmadplugin(0), ref(0) { } diff --git a/core/multimedia/opieplayer/wavplugin/wavpluginimpl.h b/core/multimedia/opieplayer/wavplugin/wavpluginimpl.h index ee32f54..71f5f20 100644 --- a/core/multimedia/opieplayer/wavplugin/wavpluginimpl.h +++ b/core/multimedia/opieplayer/wavplugin/wavpluginimpl.h @@ -17,14 +17,13 @@ ** not clear to you. ** **********************************************************************/ #ifndef WAV_PLUGIN_IMPL_H #define WAV_PLUGIN_IMPL_H - -#include "../mediaplayerplugininterface.h" +#include <qpe/mediaplayerplugininterface.h> class WavPlugin; class WavPluginImpl : public MediaPlayerPluginInterface |