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Code Issues Releases Wiki Activity

Move some fields to the class they're used in

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This commit is contained in:
Chris Robinson 2012-12-16 11:49:46 -08:00
parent 9c805483b0
commit 06fd66e99d
1 changed files with 23 additions and 24 deletions
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47
apps/openmw/mwrender/videoplayer.cpp
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@ -61,8 +61,7 @@ struct VideoState {
VideoState() VideoState()
: format_ctx(NULL), av_sync_type(AV_SYNC_DEFAULT) : format_ctx(NULL), av_sync_type(AV_SYNC_DEFAULT)
, external_clock_base(0.0) , external_clock_base(0.0)
, audio_st(NULL), audio_diff_cum(0.0), audio_diff_avg_coef(0.0), , audio_st(NULL)
audio_diff_threshold(0.0), audio_diff_avg_count(0)
, video_st(NULL), frame_last_pts(0.0), frame_last_delay(0.0), , video_st(NULL), frame_last_pts(0.0), frame_last_delay(0.0),
video_clock(0.0), sws_context(NULL), rgbaFrame(NULL), pictq_size(0), video_clock(0.0), sws_context(NULL), rgbaFrame(NULL), pictq_size(0),
pictq_rindex(0), pictq_windex(0) pictq_rindex(0), pictq_windex(0)
@ -121,10 +120,6 @@ struct VideoState {
AVStream** audio_st; AVStream** audio_st;
PacketQueue audioq; PacketQueue audioq;
double audio_diff_cum; /* used for AV difference average computation */
double audio_diff_avg_coef;
double audio_diff_threshold;
int audio_diff_avg_count;
MWBase::SoundPtr AudioTrack; MWBase::SoundPtr AudioTrack;
AVStream** video_st; AVStream** video_st;
@ -261,7 +256,13 @@ class MovieAudioDecoder : public MWSound::Sound_Decoder
ssize_t mFramePos; ssize_t mFramePos;
ssize_t mFrameSize; ssize_t mFrameSize;
double audio_clock; double mAudioClock;
/* averaging filter for audio sync */
double mAudioDiffAccum;
double mAudioDiffAvgCoef;
double mAudioDiffThreshold;
int mAudioDiffAvgCount;
/* Add or subtract samples to get a better sync, return number of bytes to /* Add or subtract samples to get a better sync, return number of bytes to
* skip (negative means to duplicate). */ * skip (negative means to duplicate). */
@ -274,14 +275,13 @@ class MovieAudioDecoder : public MWSound::Sound_Decoder
// accumulate the clock difference // accumulate the clock difference
double diff = is->get_master_clock() - is->get_audio_clock(); double diff = is->get_master_clock() - is->get_audio_clock();
is->audio_diff_cum = diff + is->audio_diff_avg_coef * mAudioDiffAccum = diff + mAudioDiffAvgCoef * mAudioDiffAccum;
is->audio_diff_cum; if(mAudioDiffAvgCount < AUDIO_DIFF_AVG_NB)
if(is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) mAudioDiffAvgCount++;
is->audio_diff_avg_count++;
else else
{ {
double avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef); double avg_diff = mAudioDiffAccum * (1.0 - mAudioDiffAvgCoef);
if(fabs(avg_diff) >= is->audio_diff_threshold) if(fabs(avg_diff) >= mAudioDiffThreshold)
{ {
int n = av_get_bytes_per_sample((*is->audio_st)->codec->sample_fmt) * int n = av_get_bytes_per_sample((*is->audio_st)->codec->sample_fmt) *
(*is->audio_st)->codec->channels; (*is->audio_st)->codec->channels;
@ -317,8 +317,8 @@ class MovieAudioDecoder : public MWSound::Sound_Decoder
if(!got_frame || frame->nb_samples <= 0) if(!got_frame || frame->nb_samples <= 0)
continue; continue;
this->audio_clock += (double)frame->nb_samples / mAudioClock += (double)frame->nb_samples /
(double)(*is->audio_st)->codec->sample_rate; (double)(*is->audio_st)->codec->sample_rate;
/* We have data, return it and come back for more later */ /* We have data, return it and come back for more later */
return frame->nb_samples * av_get_bytes_per_sample((*is->audio_st)->codec->sample_fmt) * return frame->nb_samples * av_get_bytes_per_sample((*is->audio_st)->codec->sample_fmt) *
@ -332,7 +332,7 @@ class MovieAudioDecoder : public MWSound::Sound_Decoder
/* if update, update the audio clock w/pts */ /* if update, update the audio clock w/pts */
if((uint64_t)pkt->pts != AV_NOPTS_VALUE) if((uint64_t)pkt->pts != AV_NOPTS_VALUE)
this->audio_clock = av_q2d((*is->audio_st)->time_base)*pkt->pts; mAudioClock = av_q2d((*is->audio_st)->time_base)*pkt->pts;
} }
} }
@ -352,7 +352,12 @@ public:
, mFrame(avcodec_alloc_frame()) , mFrame(avcodec_alloc_frame())
, mFramePos(0) , mFramePos(0)
, mFrameSize(0) , mFrameSize(0)
, audio_clock(0.0) , mAudioClock(0.0)
, mAudioDiffAccum(0.0)
, mAudioDiffAvgCoef(exp(log(0.01 / AUDIO_DIFF_AVG_NB)))
/* Correct audio only if larger error than this */
, mAudioDiffThreshold(2.0 * 0.050/* 50 ms */)
, mAudioDiffAvgCount(0)
{ } { }
virtual ~MovieAudioDecoder() virtual ~MovieAudioDecoder()
{ {
@ -479,7 +484,7 @@ public:
{ {
ssize_t clock_delay = (mFrameSize-mFramePos) / (*is->audio_st)->codec->channels / ssize_t clock_delay = (mFrameSize-mFramePos) / (*is->audio_st)->codec->channels /
av_get_bytes_per_sample((*is->audio_st)->codec->sample_fmt); av_get_bytes_per_sample((*is->audio_st)->codec->sample_fmt);
return (size_t)(this->audio_clock*(*is->audio_st)->codec->sample_rate) - clock_delay; return (size_t)(mAudioClock*(*is->audio_st)->codec->sample_rate) - clock_delay;
} }
}; };
@ -809,12 +814,6 @@ int VideoState::stream_open(int stream_index, AVFormatContext *pFormatCtx)
case AVMEDIA_TYPE_AUDIO: case AVMEDIA_TYPE_AUDIO:
this->audio_st = pFormatCtx->streams + stream_index; this->audio_st = pFormatCtx->streams + stream_index;
/* averaging filter for audio sync */
this->audio_diff_avg_coef = exp(log(0.01 / AUDIO_DIFF_AVG_NB));
this->audio_diff_avg_count = 0;
/* Correct audio only if larger error than this */
this->audio_diff_threshold = 2.0 * 0.050/* 50 ms */;
decoder.reset(new MovieAudioDecoder(this)); decoder.reset(new MovieAudioDecoder(this));
this->AudioTrack = MWBase::Environment::get().getSoundManager()->playTrack(decoder); this->AudioTrack = MWBase::Environment::get().getSoundManager()->playTrack(decoder);
if(!this->AudioTrack) if(!this->AudioTrack)