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git-svn-id: svn://elaine/murooma/trunk@321 d8a302eb-03bc-478d-80e4-98257eca68ef
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1 changed files with 56 additions and 66 deletions
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@ -6,51 +6,54 @@
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using namespace std;
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Player::Player(const PcmDevice& pcmDevice, Stream* stream) : active_(false), stream_(stream), pcmDevice_(pcmDevice)
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{
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Player::Player(const PcmDevice& pcmDevice, Stream* stream) :
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active_(false), stream_(stream), pcmDevice_(pcmDevice) {
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}
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void Player::start()
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{
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void Player::start() {
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unsigned int pcm, tmp, rate;
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int channels;
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snd_pcm_hw_params_t *params;
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int buff_size;
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rate = stream_->format.rate;
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rate = stream_->format.rate;
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channels = stream_->format.channels;
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/* Open the PCM device in playback mode */
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if ((pcm = snd_pcm_open(&pcm_handle, pcmDevice_.name.c_str(), SND_PCM_STREAM_PLAYBACK, 0)) < 0)
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cout << "ERROR: Can't open " << pcmDevice_.name << " PCM device. " << snd_strerror(pcm) << "\n";
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if ((pcm = snd_pcm_open(&pcm_handle, pcmDevice_.name.c_str(),
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SND_PCM_STREAM_PLAYBACK, 0)) < 0)
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cout << "ERROR: Can't open " << pcmDevice_.name << " PCM device. "
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<< snd_strerror(pcm) << "\n";
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/* struct snd_pcm_playback_info_t pinfo;
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if ( (pcm = snd_pcm_playback_info( pcm_handle, &pinfo )) < 0 )
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fprintf( stderr, "Error: playback info error: %s\n", snd_strerror( err ) );
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printf("buffer: '%d'\n", pinfo.buffer_size);
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*/
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if ( (pcm = snd_pcm_playback_info( pcm_handle, &pinfo )) < 0 )
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fprintf( stderr, "Error: playback info error: %s\n", snd_strerror( err ) );
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printf("buffer: '%d'\n", pinfo.buffer_size);
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*/
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/* Allocate parameters object and fill it with default values*/
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snd_pcm_hw_params_alloca(¶ms);
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snd_pcm_hw_params_any(pcm_handle, params);
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/* Set parameters */
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if ((pcm = snd_pcm_hw_params_set_access(pcm_handle, params, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0)
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cout << "ERROR: Can't set interleaved mode. " << snd_strerror(pcm) << "\n";
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if ((pcm = snd_pcm_hw_params_set_access(pcm_handle, params,
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SND_PCM_ACCESS_RW_INTERLEAVED)) < 0)
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cout << "ERROR: Can't set interleaved mode. " << snd_strerror(pcm)
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<< "\n";
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if ((pcm = snd_pcm_hw_params_set_format(pcm_handle, params, SND_PCM_FORMAT_S16_LE)) < 0)
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if ((pcm = snd_pcm_hw_params_set_format(pcm_handle, params,
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SND_PCM_FORMAT_S16_LE)) < 0)
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cout << "ERROR: Can't set format. " << snd_strerror(pcm) << "\n";
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if ((pcm = snd_pcm_hw_params_set_channels(pcm_handle, params, channels)) < 0)
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cout << "ERROR: Can't set channels number. " << snd_strerror(pcm) << "\n";
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if ((pcm = snd_pcm_hw_params_set_channels(pcm_handle, params, channels))
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< 0)
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cout << "ERROR: Can't set channels number. " << snd_strerror(pcm)
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<< "\n";
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if ((pcm = snd_pcm_hw_params_set_rate_near(pcm_handle, params, &rate, 0)) < 0)
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if ((pcm = snd_pcm_hw_params_set_rate_near(pcm_handle, params, &rate, 0))
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< 0)
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cout << "ERROR: Can't set rate. " << snd_strerror(pcm) << "\n";
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unsigned int buffer_time;
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snd_pcm_hw_params_get_buffer_time_max(params, &buffer_time, 0);
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if (buffer_time > BUFFER_TIME)
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@ -67,12 +70,13 @@ void Player::start()
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/* Write parameters */
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if ((pcm = snd_pcm_hw_params(pcm_handle, params)) < 0)
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cout << "ERROR: Can't set harware parameters. " << snd_strerror(pcm) << "\n";
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cout << "ERROR: Can't set harware parameters. " << snd_strerror(pcm)
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<< "\n";
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/* Resume information */
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cout << "PCM name: " << snd_pcm_name(pcm_handle) << "\n";
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cout << "PCM state: " << snd_pcm_state_name(snd_pcm_state(pcm_handle)) << "\n";
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cout << "PCM state: " << snd_pcm_state_name(snd_pcm_state(pcm_handle))
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<< "\n";
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snd_pcm_hw_params_get_channels(params, &tmp);
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cout << "channels: " << tmp << "\n";
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@ -94,8 +98,6 @@ void Player::start()
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snd_pcm_hw_params_get_period_time(params, &tmp, NULL);
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cout << "period time: " << tmp << "\n";
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snd_pcm_sw_params_t *swparams;
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snd_pcm_sw_params_alloca(&swparams);
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snd_pcm_sw_params_current(pcm_handle, swparams);
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@ -105,40 +107,33 @@ void Player::start()
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// snd_pcm_sw_params_set_stop_threshold(pcm_handle, swparams, frames);
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snd_pcm_sw_params(pcm_handle, swparams);
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playerThread = new thread(&Player::worker, this);
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}
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void Player::stop()
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{
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void Player::stop() {
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active_ = false;
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playerThread->join();
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delete playerThread;
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}
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void Player::worker()
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{
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void Player::worker() {
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unsigned int pcm;
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snd_pcm_sframes_t framesAvail;
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snd_pcm_sframes_t framesDelay;
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active_ = true;
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while (active_)
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{
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while (active_) {
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snd_pcm_avail_delay(pcm_handle, &framesAvail, &framesDelay);
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chronos::usec delay((chronos::usec::rep)(1000 * (double)framesDelay / stream_->format.msRate()));
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if (stream_->getPlayerChunk(buff, delay, frames))
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{
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if ((pcm = snd_pcm_writei(pcm_handle, buff, frames)) == -EPIPE)
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{
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chronos::usec delay(
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(chronos::usec::rep) (1000 * (double) framesDelay
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/ stream_->format.msRate()));
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if (stream_->getPlayerChunk(buff, delay, frames)) {
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if ((pcm = snd_pcm_writei(pcm_handle, buff, frames)) == -EPIPE) {
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printf("XRUN.\n");
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snd_pcm_prepare(pcm_handle);
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}
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else if (pcm < 0)
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{
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printf("ERROR. Can't write to PCM device. %s\n", snd_strerror(pcm));
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} else if (pcm < 0) {
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printf("ERROR. Can't write to PCM device. %s\n",
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snd_strerror(pcm));
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}
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}
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}
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@ -148,10 +143,7 @@ void Player::worker()
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free(buff);
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}
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vector<PcmDevice> Player::pcm_list(void)
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{
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vector<PcmDevice> Player::pcm_list(void) {
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void **hints, **n;
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char *name, *descr, *io;
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vector<PcmDevice> result;
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@ -174,22 +166,21 @@ vector<PcmDevice> Player::pcm_list(void)
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// printf("%s\n", name);
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//cout << "Name: " << name << "\n";
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//cout << "Desc: " << descr << "\n";
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/*
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if ((descr1 = descr) != NULL) {
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printf(" ");
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while (*descr1) {
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if (*descr1 == '\n')
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printf("\n ");
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else
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putchar(*descr1);
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descr1++;
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}
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putchar('\n');
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}
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*/
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__end:
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if (name != NULL)
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free(name);
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/*
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if ((descr1 = descr) != NULL) {
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printf(" ");
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while (*descr1) {
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if (*descr1 == '\n')
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printf("\n ");
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else
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putchar(*descr1);
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descr1++;
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}
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putchar('\n');
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}
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*/
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__end: if (name != NULL)
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free(name);
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if (descr != NULL)
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free(descr);
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if (io != NULL)
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@ -200,4 +191,3 @@ vector<PcmDevice> Player::pcm_list(void)
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return result;
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}
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