32 #include "../../include/Qt/PlayerPrivate.h"
38 : renderer(rb), Thread(
"player"), video_position(1), audio_position(0)
39 , audioPlayback(new
openshot::AudioPlaybackThread())
40 , videoPlayback(new
openshot::VideoPlaybackThread(rb))
41 , videoCache(new
openshot::VideoCacheThread())
42 , speed(1), reader(NULL), last_video_position(1)
46 PlayerPrivate::~PlayerPrivate()
55 void PlayerPrivate::run()
62 if (reader->info.has_audio)
63 audioPlayback->startThread(8);
64 if (reader->info.has_video) {
65 videoCache->startThread(2);
66 videoPlayback->startThread(4);
69 while (!threadShouldExit()) {
72 double frame_time = (1000.0 / reader->info.fps.ToDouble());
75 const Time t1 = Time::getCurrentTime();
81 if ((speed == 0 && video_position == last_video_position) || (video_position > reader->info.video_length)) {
88 videoPlayback->frame = frame;
89 videoPlayback->render.signal();
92 last_video_position = video_position;
95 int64_t video_frame_diff = 0;
96 if (reader->info.has_audio && reader->info.has_video) {
99 audioPlayback->Seek(video_position);
102 audio_position = audioPlayback->getCurrentFramePosition();
103 video_frame_diff = video_position - audio_position;
107 const Time t2 = Time::getCurrentTime();
110 int64_t render_time = t2.toMilliseconds() - t1.toMilliseconds();
113 int sleep_time = int(frame_time - render_time);
116 ZmqLogger::Instance()->AppendDebugMethod(
"PlayerPrivate::run (determine sleep)",
"video_frame_diff", video_frame_diff,
"video_position", video_position,
"audio_position", audio_position,
"speed", speed,
"render_time", render_time,
"sleep_time", sleep_time);
119 if (video_frame_diff > 0 && reader->info.has_audio && reader->info.has_video)
125 sleep_time += (video_frame_diff * (1000.0 / reader->info.fps.ToDouble()));
128 else if (video_frame_diff < -10 && reader->info.has_audio && reader->info.has_video) {
130 video_position += abs(video_frame_diff) / 2;
135 if (sleep_time > 0) usleep(sleep_time * 1000);
141 std::shared_ptr<openshot::Frame> PlayerPrivate::getFrame()
145 if (video_position + speed >= 1 && video_position + speed <= reader->info.video_length)
146 video_position = video_position + speed;
148 if (frame && frame->number == video_position && video_position == last_video_position) {
155 videoCache->setCurrentFramePosition(video_position);
158 return reader->GetFrame(video_position);
161 }
catch (
const ReaderClosed & e) {
163 }
catch (
const TooManySeeks & e) {
165 }
catch (
const OutOfBoundsFrame & e) {
168 return std::shared_ptr<openshot::Frame>();
172 bool PlayerPrivate::startPlayback()
174 if (video_position < 0)
return false;
182 void PlayerPrivate::stopPlayback(
int timeOutMilliseconds)
184 if (isThreadRunning()) stopThread(timeOutMilliseconds);
185 if (audioPlayback->isThreadRunning() && reader->info.has_audio) audioPlayback->stopThread(timeOutMilliseconds);
186 if (videoCache->isThreadRunning() && reader->info.has_video) videoCache->stopThread(timeOutMilliseconds);
187 if (videoPlayback->isThreadRunning() && reader->info.has_video) videoPlayback->stopThread(timeOutMilliseconds);