-rw-r--r-- | core/applets/vmemo/vmemo.cpp | 42 |
1 files changed, 24 insertions, 18 deletions
diff --git a/core/applets/vmemo/vmemo.cpp b/core/applets/vmemo/vmemo.cpp index 73bd996..83f19f5 100644 --- a/core/applets/vmemo/vmemo.cpp +++ b/core/applets/vmemo/vmemo.cpp @@ -21,35 +21,37 @@ #include <stdio.h> #include <sys/stat.h> #include <fcntl.h> #include <sys/ioctl.h> #include <linux/soundcard.h> #include <string.h> #include <stdlib.h> typedef struct _waveheader { u_long main_chunk; /* 'RIFF' */ u_long length; /* filelen */ u_long chunk_type; /* 'WAVE' */ - u_long sub_chunk; /* 'fmt ' */ - u_long sc_len; /* length of sub_chunk, =16 (chunckSize) */ + u_long sc_len; /* length of sub_chunk, =16 + (chunckSize) format len */ u_short format; /* should be 1 for PCM-code (formatTag) */ + u_short modus; /* 1 Mono, 2 Stereo (channels) */ u_long sample_fq; /* samples per second (samplesPerSecond) */ u_long byte_p_sec; /* avg bytes per second (avgBytePerSecond) */ u_short byte_p_spl; /* samplesize; 1 or 2 bytes (blockAlign) */ u_short bit_p_spl; /* 8, 12 or 16 bit (bitsPerSample) */ u_long data_chunk; /* 'data' */ + u_long data_length;/* samplecount */ } WaveHeader; #define RIFF 0x46464952 #define WAVE 0x45564157 #define FMT 0x20746D66 #define DATA 0x61746164 #define PCM_CODE 1 #define WAVE_MONO 1 #define WAVE_STEREO 2 #include "vmemo.h" @@ -233,37 +235,40 @@ void VMemo::mouseReleaseEvent( QMouseEvent * ) { qWarning("VMemo::mouseRelese() -> Done recording"); recording = FALSE; } int VMemo::openDSP() { Config cfg("Sound"); cfg.setGroup("Record"); speed = cfg.readNumEntry("SampleRate", 11025); channels = cfg.readNumEntry("Stereo", 1) ? 2 : 1; // 1 = stereo(2), 0 = mono(1) - if (cfg.readNumEntry("SixteenBit", 1)) + if (cfg.readNumEntry("SixteenBit", 1)==1) { format = AFMT_S16_LE; resolution = 16; } else { format = AFMT_U8; resolution = 8; } if(systemZaurus) + { dsp = open("/dev/dsp1", O_RDWR); //Zaurus needs /dev/dsp1 + channels=1; //zaurus has one input channel + } else dsp = open("/dev/dsp", O_RDWR); if(dsp == -1) { perror("open(\"/dev/dsp\")"); return -1; } if(ioctl(dsp, SNDCTL_DSP_SETFMT , &format)==-1) { perror("ioctl(\"SNDCTL_DSP_SETFMT\")"); @@ -292,69 +297,70 @@ int VMemo::openWAV(const char *filename) { qDebug("Creating %s ",filename); track.setName(filename); if(!track.open(IO_WriteOnly|IO_Truncate|IO_Raw)) { qDebug("Could not open file"); return -1; } wav=track.handle(); WaveHeader wh; - wh.main_chunk = RIFF; - wh.length = 0; - wh.chunk_type = WAVE; - - wh.sub_chunk = FMT; - wh.sc_len = 16; - wh.format = PCM_CODE; - wh.modus = channels; - wh.sample_fq = speed; - wh.bit_p_spl = resolution; - wh.byte_p_sec = wh.sample_fq * wh.bit_p_spl; - wh.byte_p_spl = channels * (wh.bit_p_spl % 8); - + wh.main_chunk = RIFF;// RIFF + wh.chunk_type = WAVE;//WAVE + wh.sub_chunk = FMT;// fmt + wh.sc_len = 16;// format length = 16 + wh.format = PCM_CODE;// PCM + wh.modus = channels;// channels + wh.sample_fq = speed;//samplerate + wh.byte_p_sec = speed * channels * resolution/8;// av bytes per second + wh.byte_p_spl = channels * (resolution / 8); //block align + wh.bit_p_spl = resolution;//bits per sample 8, or 16 wh.data_chunk = DATA; - wh.data_length= 0; - + wh.data_length= 0; // <--- +// qDebug("Write header channels %d, speed %d, b/s %d, blockalign %d, bitrate %d" +// , wh.modus, wh.sample_fq, wh.byte_p_sec, wh.byte_p_spl, wh.bit_p_spl ); write (wav, &wh, sizeof(WaveHeader)); return 1; } void VMemo::record(void) { int length=0, result, value; char sound[8192]; qWarning("VMemo::record()"); while(recording) { result = read(dsp, sound, 512); // 8192 qApp->processEvents(); write(wav, sound, result); qApp->processEvents(); length += result; qApp->processEvents(); +// printf("%d\r",length); +// fflush(stdout); } qWarning("VMemo::record() -> Done recording"); qWarning("VMemo::record() -> Closing dsp"); value = length+36; lseek(wav, 4, SEEK_SET); write(wav, &value, 4); lseek(wav, 40, SEEK_SET); write(wav, &length, 4); +// qDebug("File length %d, samplecount %d", value, length); track.close(); if( ioctl( dsp, SNDCTL_DSP_RESET,0) == -1)// ); //tell driver to stop for a while perror("ioctl(\"SNDCTL_DSP_RESET\")"); ::close(dsp); qWarning("VMemo::record() -> playing done recording sound"); QSound::play(Resource::findSound("vmemoe")); qWarning("VMemo::record() -> terminating"); QMessageBox::information(0, "VMemo", "Recording Done", 1); } |