diff options
Diffstat (limited to 'src/gui/embedded')
| -rw-r--r-- | src/gui/embedded/qscreen_qws.cpp | 2 | ||||
| -rw-r--r-- | src/gui/embedded/qsoundqss_qws.cpp | 40 |
2 files changed, 34 insertions, 8 deletions
diff --git a/src/gui/embedded/qscreen_qws.cpp b/src/gui/embedded/qscreen_qws.cpp index a82edbb..91121e7 100644 --- a/src/gui/embedded/qscreen_qws.cpp +++ b/src/gui/embedded/qscreen_qws.cpp @@ -1397,7 +1397,7 @@ QImage::Format QScreenPrivate::preferredImageFormat() const altered. Note that the default implementations of these functions do nothing. - Reimplement the the mapFromDevice() and mapToDevice() functions to + Reimplement the mapFromDevice() and mapToDevice() functions to map objects from the framebuffer coordinate system to the coordinate space used by the application, and vice versa. Be aware that the default implementations simply return the given objects diff --git a/src/gui/embedded/qsoundqss_qws.cpp b/src/gui/embedded/qsoundqss_qws.cpp index c72ea91..283bbd3 100644 --- a/src/gui/embedded/qsoundqss_qws.cpp +++ b/src/gui/embedded/qsoundqss_qws.cpp @@ -52,6 +52,7 @@ #include <qalgorithms.h> #include <qtimer.h> #include <qpointer.h> +#include <qendian.h> #include <unistd.h> #include <stdlib.h> @@ -335,7 +336,13 @@ public: virtual int readySamples(int) = 0; int getSample(int off, int bps) { - return (bps == 1) ? (data[out+off] - 128) * 128 : ((short*)data)[(out/2)+off]; + + // + // 16-bit audio data is converted to native endian so that it can be scaled + // Yes, this is ugly on a BigEndian machine + // Perhaps it shouldn't be scaled at all + // + return (bps == 1) ? (data[out+off] - 128) * 128 : qToLittleEndian(((short*)data)[(out/2)+off]); } int add(int* mixl, int* mixr, int count) @@ -547,7 +554,7 @@ public: wavedata_remaining = 0; mFinishedRead = true; } else if ( qstrncmp(chunk.id,"data",4) == 0 ) { - wavedata_remaining = chunk.size; + wavedata_remaining = qToLittleEndian( chunk.size ); //out = max = sound_buffer_size; @@ -572,10 +579,23 @@ public: //qDebug("couldn't ready chunkdata"); mFinishedRead = true; } + #define WAVE_FORMAT_PCM 1 - else if ( chunkdata.formatTag != WAVE_FORMAT_PCM ) { - //qDebug("WAV file: UNSUPPORTED FORMAT %d",chunkdata.formatTag); - mFinishedRead = true; + else + { + /* + ** Endian Fix the chuck data + */ + chunkdata.formatTag = qToLittleEndian( chunkdata.formatTag ); + chunkdata.channels = qToLittleEndian( chunkdata.channels ); + chunkdata.samplesPerSec = qToLittleEndian( chunkdata.samplesPerSec ); + chunkdata.avgBytesPerSec = qToLittleEndian( chunkdata.avgBytesPerSec ); + chunkdata.blockAlign = qToLittleEndian( chunkdata.blockAlign ); + chunkdata.wBitsPerSample = qToLittleEndian( chunkdata.wBitsPerSample ); + if ( chunkdata.formatTag != WAVE_FORMAT_PCM ) { + qWarning("WAV file: UNSUPPORTED FORMAT %d",chunkdata.formatTag); + mFinishedRead = true; + } } } else { // ignored chunk @@ -1166,9 +1186,15 @@ bool QWSSoundServerPrivate::openDevice() if (ioctl(fd, SNDCTL_DSP_SETFRAGMENT, &v)) qWarning("Could not set fragments to %08x",v); #ifdef QT_QWS_SOUND_16BIT - v=AFMT_S16_LE; if (ioctl(fd, SNDCTL_DSP_SETFMT, &v)) + // + // Use native endian + // Since we have manipulated the data volume the data + // is now in native format, even though its stored + // as little endian in the WAV file + // + v=AFMT_S16_NE; if (ioctl(fd, SNDCTL_DSP_SETFMT, &v)) qWarning("Could not set format %d",v); - if (AFMT_S16_LE != v) + if (AFMT_S16_NE != v) qDebug("Want format %d got %d", AFMT_S16_LE, v); #else v=AFMT_U8; if (ioctl(fd, SNDCTL_DSP_SETFMT, &v)) |