int ReadMedia::decodeAudio( gavl_audio_frame_t * af ) {
lockState();
if (m_state != STATE_READY || m_audio_stream_count < 1 || m_fifoaudio == NULL ) {
unlockState();
return -1;
}
if ( !m_fifoaudio->Get( af ) ) {
if ( m_aeof ) {
m_pcm_seek = SEEK_NOTHING;
unlockState();
signalA();
return 0;
} else {
printf("Couldn't get an audio frame, audiofifo is %f full.\n", m_fifoaudio->getSizePercentage()); // this can only happen if the fifo is empty
unlockState();
signalA();
return -1;
}
}
//m_atime = af->timestamp / (double)m_audio_format.samplerate;
unlockState();
signalA();
return 1 ;
}
bool ReadMedia::rewind() {
// NOTE!! Always check for stream count before setting aeof or veof
lockState();
if ( m_state == STATE_READY && m_file != NULL) {
//printf("ReadMedia::rewind(), valid_samples=%d\n", m_audio_frame->valid_samples);
m_pcm_seek = SEEK_REWIND;
if(m_audio_stream_count) m_aeof = false;
//m_atime = 0;
m_frame_seek=SEEK_REWIND;
if (m_video_stream_count) m_veof = false;
//m_vtime=0;
unlockState();
if (m_audio_stream_count) {
signalA(); // only signal one or the other here
//printf("ReadMedia::rewind(), signaled audio\n");
// we are gong to flush here even though it is flushed
// during the audio or video thread. This will ensure our fifo
// is clean and empty. Otherwise, the audio thread may be waiting
// at the bottom of its loop and not make it to the flush part even
// though we signalled it.
if (m_fifoaudio)
m_fifoaudio->Flush();
}
else if (m_video_stream_count) {
signalV();
if (m_fifovideo)
m_fifovideo->Flush();
}
return true;
}
unlockState();
return false;
}
int main()
{
// probamos una conexión de signal con otro signal (2009-06-09) con parámetros
{
mtk::Signal<> signalA;
mtk::Signal<> signalB;
PrReceptor pr;
signalB.connect(&pr, &PrReceptor::OnNoParam);
signalB();
// aunque la conexión se puede hacer así...
signalA.connect(&signalB, &mtk::Signal<>::operator());
// parece más cómodo de esta otra forma
signalA.connect(&signalB);
// emitimos señal
signalA();
}
// probamos una conexión de signal con otro signal (2009-06-09) con parámetros
{
mtk::Signal<int> signalA;
mtk::Signal<int> signalB;
PrReceptor pr;
signalB.connect(&pr, &PrReceptor::OnIntParam);
signalB(5);
signalA.connect(&signalB);
signalA.emit(3);
}
std::cout << std::endl;
#include "support/release_on_exit.hpp"
return 0;
}
void ReadMedia::signalAV() { signalA(); signalV(); }
