RESULT eServiceMP3::trickSeek(gdouble ratio)
{
m_currentTrickRatio = ratio;
if (!m_gst_playbin)
return -1;
if (ratio > -0.01 && ratio < 0.01)
{
gst_element_set_state(m_gst_playbin, GST_STATE_PAUSED);
return 0;
}
gint64 pos;
pts_t pts;
getPlayPosition(pts);
pos = pts * 11111LL;
gst_element_set_state(m_gst_playbin, GST_STATE_PLAYING);
if (ratio >= 0.0)
{
gst_element_seek(m_gst_playbin, ratio, GST_FORMAT_TIME, (GstSeekFlags)(GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_SKIP), GST_SEEK_TYPE_SET, pos, GST_SEEK_TYPE_SET, -1);
}
else
{
/* note that most elements will not support negative speed */
gst_element_seek(m_gst_playbin, ratio, GST_FORMAT_TIME, (GstSeekFlags)(GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_SKIP), GST_SEEK_TYPE_SET, 0, GST_SEEK_TYPE_SET, pos);
}
m_subtitle_pages.clear();
m_prev_decoder_time = -1;
m_decoder_time_valid_state = 0;
return 0;
}
//--------------------------------------------------------------
void GrainPlayer::drawWaveform(){
ofSetColor(255);
ofFill();
const float waveformWidth = ofGetWidth() - 40;
const float waveformHeight = 220;
float top = ofGetHeight() - waveformHeight - 20;
float left = 20;
// draw the audio waveform
for(int i= 0; i < LENGTH; i+=bufferSize){
curXpos = ofMap(i,0,LENGTH,left,waveformWidth);
curYpos = ofMap(samp.temp[i],-32768,32768,top,waveformHeight+top);
ofEllipse(curXpos, curYpos, 2, 2);
ofLine(curXpos, curYpos, prevXpos, prevYpos);
if(i < LENGTH-bufferSize){
prevXpos = curXpos;
prevYpos = curYpos;
} else {
prevXpos = left;
prevYpos = waveformHeight+top;
}
}
// draw a playhead over the waveform
ofSetColor(ofColor::white);
ofLine(left + getPlayPosition() * waveformWidth, top, left + getPlayPosition() * waveformWidth, top + waveformHeight);
ofDrawBitmapString("PlayHead", left + getPlayPosition() * waveformWidth-69, top+30);
// Draw Current Recording Position
ofSetColor(ofColor::red);
ofLine(left + getRecordPostion() * waveformWidth, top, left + getRecordPostion() * waveformWidth, top + waveformHeight);
ofDrawBitmapString("RecPos", left + getRecordPostion() * waveformWidth-52, top+15);
// draw a frame around the whole thing
ofSetColor(ofColor::white);
ofNoFill();
ofRect(left, top, waveformWidth, waveformHeight);
ofFill(); // For some reason I need to call ofFill() again to remove the memeory glitch? wtf
}
void eServiceMP3::pushSubtitles()
{
while ( !m_subtitle_pages.empty() )
{
SubtitlePage &frontpage = m_subtitle_pages.front();
pts_t running_pts;
gint64 diff_ms = 0;
gint64 show_pts = 0;
getPlayPosition(running_pts);
if (m_decoder_time_valid_state < 4) {
++m_decoder_time_valid_state;
if (m_prev_decoder_time == running_pts)
m_decoder_time_valid_state = 0;
if (m_decoder_time_valid_state < 4) {
m_subtitle_sync_timer->start(50, true);
m_prev_decoder_time = running_pts;
break;
}
}
if (frontpage.type == SubtitlePage::Pango)
show_pts = frontpage.pango_page.m_show_pts;
diff_ms = ( show_pts - running_pts ) / 90;
eDebug("check subtitle: decoder: %lld, show_pts: %lld, diff: %lld ms", running_pts/90, show_pts/90, diff_ms);
if ( diff_ms < -100 )
{
eDebug("subtitle too late... drop");
m_subtitle_pages.pop_front();
}
else if ( diff_ms > 20 )
{
eDebug("start timer, %lldms", diff_ms);
m_subtitle_sync_timer->start(diff_ms, true);
break;
}
else // immediate show
{
if ( m_subtitle_widget )
{
eDebug("show!\n");
if ( frontpage.type == SubtitlePage::Pango)
m_subtitle_widget->setPage(frontpage.pango_page);
m_subtitle_widget->show();
}
m_subtitle_pages.pop_front();
}
}
}
RESULT eServiceMP3::seekRelative(int direction, pts_t to)
{
if (!m_gst_playbin)
return -1;
pts_t ppos;
getPlayPosition(ppos);
ppos += to * direction;
if (ppos < 0)
ppos = 0;
seekTo(ppos);
return 0;
}
RESULT eServiceMP3::selectTrack(unsigned int i)
{
pts_t ppos;
getPlayPosition(ppos);
ppos -= 90000;
if (ppos < 0)
ppos = 0;
int ret = selectAudioStream(i);
if (!ret) {
/* flush */
//seekTo(ppos);
}
return ret;
}
