mirror of https://github.com/mpv-player/mpv
cosmetics: Move all functions before main().
This will help avoid some forward declarations. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@30908 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
diego
parent
b864ff1b8d
commit
2c099abea9
310
mencoder.c
310
mencoder.c
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@ -406,6 +406,167 @@ void add_subtitles(char *filename, float fps, int silent)
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subdata = subd;
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}
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static float stop_time(demuxer_t* demuxer, muxer_stream_t* mux_v)
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{
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float timeleft = -1;
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if (play_n_frames >= 0) timeleft = mux_v->timer + play_n_frames * (double)(mux_v->h.dwScale) / mux_v->h.dwRate;
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if (end_at.type == END_AT_TIME && (timeleft > end_at.pos || timeleft == -1)) timeleft = end_at.pos;
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if (next_edl_record && demuxer && demuxer->video) { // everything is OK to be checked
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float tmp = mux_v->timer + next_edl_record->start_sec - demuxer->video->pts;
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if (timeleft == -1 || timeleft > tmp) {
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// There's less time in EDL than what we already know
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if (next_edl_record->action == EDL_SKIP && edl_seeking) {
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timeleft = tmp;
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} else if (next_edl_record->action == EDL_MUTE) {
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//timeleft = next_edl_record->start_sec - demuxer->video->pts;
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// For the moment (and probably forever) EDL mute doesn't work in MEncoder
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}
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}
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}
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return timeleft;
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}
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static float calc_a_pts(demux_stream_t *d_audio)
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{
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sh_audio_t * sh_audio = d_audio ? d_audio->sh : NULL;
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float a_pts = 0.;
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if (sh_audio)
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a_pts = d_audio->pts + (ds_tell_pts(d_audio) - sh_audio->a_in_buffer_len)/(float)sh_audio->i_bps;
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return a_pts;
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}
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static float forward_audio(float pts, demux_stream_t *d_audio, muxer_stream_t* mux_a)
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{
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sh_audio_t * sh_audio = d_audio ? d_audio->sh : NULL;
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int samplesize, avg;
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float a_pts = calc_a_pts(d_audio);
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if (!sh_audio) return a_pts;
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if (sh_audio->audio.dwScale) samplesize = sh_audio->audio.dwSampleSize;
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else samplesize = (sh_audio->wf ? sh_audio->wf->nBlockAlign : 1);
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avg = (sh_audio->wf ? sh_audio->wf->nAvgBytesPerSec : sh_audio->i_bps);
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// after a demux_seek, a_pts will be zero until you read some audio.
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// carefully checking if a_pts is truely correct by reading tiniest amount of data possible.
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if (pts > a_pts && a_pts == 0.0 && samplesize) {
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if (demux_read_data(sh_audio->ds,mux_a->buffer,samplesize) <= 0) return a_pts; // EOF
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a_pts = calc_a_pts(d_audio);
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}
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while (pts > a_pts) {
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int len;
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if (samplesize) {
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len = avg * (pts - a_pts > 0.5 ? 0.5 : pts - a_pts);
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len/= samplesize; if(len<1) len=1;
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len*= samplesize;
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len = demux_read_data(sh_audio->ds,mux_a->buffer,len);
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} else {
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unsigned char * crap;
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len = ds_get_packet(sh_audio->ds, &crap);
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}
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if (len <= 0) break; // EOF of audio.
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a_pts = calc_a_pts(d_audio);
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}
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return a_pts;
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}
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static int slowseek(float end_pts, demux_stream_t *d_video,
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demux_stream_t *d_audio, muxer_stream_t *mux_a,
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s_frame_data *frame_data, int framecopy, int print_info)
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{
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sh_video_t * sh_video = d_video->sh;
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vf_instance_t * vfilter = sh_video ? sh_video->vfilter : NULL;
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int done = 0;
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while (!interrupted) {
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float a_pts = 0.;
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if (!frame_data->already_read) { // when called after fixdelay, a frame is already read
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frame_data->in_size = video_read_frame(sh_video, &frame_data->frame_time, &frame_data->start, force_fps);
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if(frame_data->in_size<0) return 2;
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sh_video->timer += frame_data->frame_time;
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}
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frame_data->already_read = 0;
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a_pts = forward_audio(sh_video->pts - frame_data->frame_time + audio_delay, d_audio, mux_a);
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if (done) {
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// wait for keyframe in case of -ovc copy
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if (!framecopy || (sh_video->ds->flags & 1)) {
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frame_data->already_read = 1;
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return 1;
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}
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}
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if (sh_video->pts >= end_pts) done = 1;
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if (vfilter) {
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int softskip = (vfilter->control(vfilter, VFCTRL_SKIP_NEXT_FRAME, 0) == CONTROL_TRUE);
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void *decoded_frame = decode_video(sh_video, frame_data->start, frame_data->in_size, !softskip, MP_NOPTS_VALUE);
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if (decoded_frame)
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filter_video(sh_video, decoded_frame, MP_NOPTS_VALUE);
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}
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if (print_info) mp_msg(MSGT_MENCODER, MSGL_STATUS,
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MSGTR_EdlSkipStartEndCurrent,
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next_edl_record->start_sec, next_edl_record->stop_sec,
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sh_video->pts, a_pts);
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}
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if (interrupted) return 2;
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return 1;
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}
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static void fixdelay(demux_stream_t *d_video, demux_stream_t *d_audio,
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muxer_stream_t *mux_a, s_frame_data *frame_data,
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int framecopy)
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{
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// TODO: Find a way to encode silence instead of deleting video
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sh_video_t * sh_video = d_video->sh;
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float a_pts;
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// demux_seek has a weirdness that sh_video->pts is meaningless,
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// until a single frame is read... Same for audio actually too.
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// Reading one frame, and keeping it.
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frame_data->in_size = video_read_frame(sh_video, &frame_data->frame_time, &frame_data->start, force_fps);
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if(frame_data->in_size<0) return;
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sh_video->timer += frame_data->frame_time;
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frame_data->already_read = 1;
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a_pts = forward_audio(sh_video->pts - frame_data->frame_time + audio_delay, d_audio, mux_a);
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if (audio_delay > 0) return;
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else if (sh_video->pts - frame_data->frame_time + audio_delay >= a_pts) return;
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slowseek(a_pts - audio_delay, d_video, d_audio, mux_a, frame_data, framecopy, 0);
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}
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static int edl_seek(edl_record_ptr next_edl_record, demuxer_t *demuxer,
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demux_stream_t *d_audio, muxer_stream_t *mux_a,
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s_frame_data *frame_data, int framecopy)
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{
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sh_video_t * sh_video = demuxer->video ? demuxer->video->sh : NULL;
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if (!sh_video) return 0;
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if (sh_video->pts >= next_edl_record->stop_sec) return 1; // nothing to do...
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if (!edl_seek_type) {
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if(demux_seek(demuxer, next_edl_record->stop_sec - sh_video->pts, audio_delay, 0)){
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sh_video->pts = demuxer->video->pts;
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//if (vo_vobsub) vobsub_seek(vo_vobsub,sh_video->pts);
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//if(vo_spudec) spudec_reset(vo_spudec);
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if (audio_delay != 0.0) fixdelay(demuxer->video, d_audio, mux_a, frame_data, framecopy);
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return 1;
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}
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// non-seekable stream.
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return 0;
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}
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// slow seek, read every frame.
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return slowseek(next_edl_record->stop_sec, demuxer->video, d_audio, mux_a, frame_data, framecopy, 1);
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}
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int main(int argc,char* argv[]){
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stream_t* stream=NULL;
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@ -1657,152 +1818,3 @@ if(stream) free_stream(stream); // kill cache thread
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return interrupted;
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}
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static float stop_time(demuxer_t* demuxer, muxer_stream_t* mux_v) {
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float timeleft = -1;
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if (play_n_frames >= 0) timeleft = mux_v->timer + play_n_frames * (double)(mux_v->h.dwScale) / mux_v->h.dwRate;
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if (end_at.type == END_AT_TIME && (timeleft > end_at.pos || timeleft == -1)) timeleft = end_at.pos;
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if (next_edl_record && demuxer && demuxer->video) { // everything is OK to be checked
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float tmp = mux_v->timer + next_edl_record->start_sec - demuxer->video->pts;
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if (timeleft == -1 || timeleft > tmp) {
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// There's less time in EDL than what we already know
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if (next_edl_record->action == EDL_SKIP && edl_seeking) {
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timeleft = tmp;
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} else if (next_edl_record->action == EDL_MUTE) {
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//timeleft = next_edl_record->start_sec - demuxer->video->pts;
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// For the moment (and probably forever) EDL mute doesn't work in MEncoder
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}
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}
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}
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return timeleft;
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}
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static float calc_a_pts(demux_stream_t *d_audio) {
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sh_audio_t * sh_audio = d_audio ? d_audio->sh : NULL;
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float a_pts = 0.;
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if (sh_audio)
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a_pts = d_audio->pts + (ds_tell_pts(d_audio) - sh_audio->a_in_buffer_len)/(float)sh_audio->i_bps;
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return a_pts;
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}
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static float forward_audio(float pts, demux_stream_t *d_audio, muxer_stream_t* mux_a) {
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sh_audio_t * sh_audio = d_audio ? d_audio->sh : NULL;
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int samplesize, avg;
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float a_pts = calc_a_pts(d_audio);
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if (!sh_audio) return a_pts;
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if (sh_audio->audio.dwScale) samplesize = sh_audio->audio.dwSampleSize;
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else samplesize = (sh_audio->wf ? sh_audio->wf->nBlockAlign : 1);
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avg = (sh_audio->wf ? sh_audio->wf->nAvgBytesPerSec : sh_audio->i_bps);
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// after a demux_seek, a_pts will be zero until you read some audio.
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// carefully checking if a_pts is truely correct by reading tiniest amount of data possible.
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if (pts > a_pts && a_pts == 0.0 && samplesize) {
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if (demux_read_data(sh_audio->ds,mux_a->buffer,samplesize) <= 0) return a_pts; // EOF
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a_pts = calc_a_pts(d_audio);
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}
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while (pts > a_pts) {
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int len;
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if (samplesize) {
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len = avg * (pts - a_pts > 0.5 ? 0.5 : pts - a_pts);
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len/= samplesize; if(len<1) len=1;
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len*= samplesize;
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len = demux_read_data(sh_audio->ds,mux_a->buffer,len);
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} else {
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unsigned char * crap;
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len = ds_get_packet(sh_audio->ds, &crap);
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}
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if (len <= 0) break; // EOF of audio.
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a_pts = calc_a_pts(d_audio);
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}
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return a_pts;
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}
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static int slowseek(float end_pts, demux_stream_t *d_video, demux_stream_t *d_audio, muxer_stream_t* mux_a, s_frame_data * frame_data, int framecopy, int print_info) {
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sh_video_t * sh_video = d_video->sh;
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vf_instance_t * vfilter = sh_video ? sh_video->vfilter : NULL;
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int done = 0;
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while (!interrupted) {
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float a_pts = 0.;
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if (!frame_data->already_read) { // when called after fixdelay, a frame is already read
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frame_data->in_size = video_read_frame(sh_video, &frame_data->frame_time, &frame_data->start, force_fps);
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if(frame_data->in_size<0) return 2;
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sh_video->timer += frame_data->frame_time;
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}
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frame_data->already_read = 0;
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a_pts = forward_audio(sh_video->pts - frame_data->frame_time + audio_delay, d_audio, mux_a);
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if (done) {
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// wait for keyframe in case of -ovc copy
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if (!framecopy || (sh_video->ds->flags & 1)) {
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frame_data->already_read = 1;
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return 1;
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}
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}
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if (sh_video->pts >= end_pts) done = 1;
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if (vfilter) {
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int softskip = (vfilter->control(vfilter, VFCTRL_SKIP_NEXT_FRAME, 0) == CONTROL_TRUE);
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void *decoded_frame = decode_video(sh_video, frame_data->start, frame_data->in_size, !softskip, MP_NOPTS_VALUE);
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if (decoded_frame)
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filter_video(sh_video, decoded_frame, MP_NOPTS_VALUE);
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}
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if (print_info) mp_msg(MSGT_MENCODER, MSGL_STATUS,
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MSGTR_EdlSkipStartEndCurrent,
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next_edl_record->start_sec, next_edl_record->stop_sec,
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sh_video->pts, a_pts);
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}
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if (interrupted) return 2;
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return 1;
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}
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static void fixdelay(demux_stream_t *d_video, demux_stream_t *d_audio, muxer_stream_t* mux_a, s_frame_data * frame_data, int framecopy) {
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// TODO: Find a way to encode silence instead of deleting video
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sh_video_t * sh_video = d_video->sh;
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float a_pts;
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// demux_seek has a weirdness that sh_video->pts is meaningless,
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// until a single frame is read... Same for audio actually too.
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// Reading one frame, and keeping it.
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frame_data->in_size = video_read_frame(sh_video, &frame_data->frame_time, &frame_data->start, force_fps);
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if(frame_data->in_size<0) return;
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sh_video->timer += frame_data->frame_time;
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frame_data->already_read = 1;
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a_pts = forward_audio(sh_video->pts - frame_data->frame_time + audio_delay, d_audio, mux_a);
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if (audio_delay > 0) return;
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else if (sh_video->pts - frame_data->frame_time + audio_delay >= a_pts) return;
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slowseek(a_pts - audio_delay, d_video, d_audio, mux_a, frame_data, framecopy, 0);
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}
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static int edl_seek(edl_record_ptr next_edl_record, demuxer_t* demuxer, demux_stream_t *d_audio, muxer_stream_t* mux_a, s_frame_data * frame_data, int framecopy) {
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sh_video_t * sh_video = demuxer->video ? demuxer->video->sh : NULL;
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if (!sh_video) return 0;
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if (sh_video->pts >= next_edl_record->stop_sec) return 1; // nothing to do...
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if (!edl_seek_type) {
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if(demux_seek(demuxer, next_edl_record->stop_sec - sh_video->pts, audio_delay, 0)){
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sh_video->pts = demuxer->video->pts;
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//if (vo_vobsub) vobsub_seek(vo_vobsub,sh_video->pts);
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//if(vo_spudec) spudec_reset(vo_spudec);
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if (audio_delay != 0.0) fixdelay(demuxer->video, d_audio, mux_a, frame_data, framecopy);
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return 1;
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}
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// non-seekable stream.
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return 0;
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}
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// slow seek, read every frame.
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return slowseek(next_edl_record->stop_sec, demuxer->video, d_audio, mux_a, frame_data, framecopy, 1);
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}
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