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Code Issues Releases Wiki Activity

Rewrite audio EOF handling logic fixing some problems that could cause

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truncation of output, set flag AOPLAY_FINAL_CHUNK in play call to tell
ao there will be no more data beyond what's in current buffer.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@18738 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
uau 2006-06-16 21:52:25 +00:00
parent 19a3207d8d
commit bd4a9d25bf
2 changed files with 24 additions and 9 deletions
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2
libao2/audio_out.h
View File

@ -65,6 +65,8 @@ extern ao_functions_t* audio_out_drivers[];
#define AOCONTROL_SET_PLUGIN_DRIVER 6
#define AOCONTROL_SET_PLUGIN_LIST 7
#define AOPLAY_FINAL_CHUNK 1
typedef struct ao_control_vol_s {
float left;
float right;

31
mplayer.c
View File

@ -3657,6 +3657,8 @@ while(sh_audio){
unsigned int t;
double tt;
int playsize;
int playflags=0;
int audio_eof=0;
current_module="play_audio";
@ -3675,31 +3677,44 @@ while(sh_audio){
// Fill buffer if needed:
current_module="decode_audio"; // Enter AUDIO decoder module
t=GetTimer();
while(sh_audio->a_out_buffer_len<playsize &&
(!d_audio->eof || sh_audio->a_in_buffer_len > 0 || sh_audio->a_buffer_len > 0)){
while (sh_audio->a_out_buffer_len < playsize) {
int ret=decode_audio(sh_audio,&sh_audio->a_out_buffer[sh_audio->a_out_buffer_len],
playsize-sh_audio->a_out_buffer_len,sh_audio->a_out_buffer_size-sh_audio->a_out_buffer_len);
if(ret<=0) { // EOF?
if (d_audio->eof)
sh_audio->a_in_buffer_len = 0; // make sure we don't hang if something's broken
if (d_audio->eof) {
audio_eof = 1;
if (!sh_video && sh_audio->a_out_buffer_len == 0)
eof = PT_NEXT_ENTRY;
}
break;
}
sh_audio->a_out_buffer_len+=ret;
}
t=GetTimer()-t;
tt = t*0.000001f; audio_time_usage+=tt;
if(playsize>sh_audio->a_out_buffer_len) playsize=sh_audio->a_out_buffer_len;
if (playsize > sh_audio->a_out_buffer_len) {
playsize = sh_audio->a_out_buffer_len;
if (audio_eof)
playflags |= AOPLAY_FINAL_CHUNK;
}
if (!playsize)
break;
// play audio:
current_module="play_audio";
playsize=audio_out->play(sh_audio->a_out_buffer,playsize,0);
playsize = audio_out->play(sh_audio->a_out_buffer, playsize, playflags);
if(playsize>0){
sh_audio->a_out_buffer_len-=playsize;
memmove(sh_audio->a_out_buffer,&sh_audio->a_out_buffer[playsize],sh_audio->a_out_buffer_len);
sh_audio->delay+=playback_speed*playsize/(double)ao_data.bps;
}
else if (audio_eof && audio_out->get_delay() < .04) {
// Sanity check to avoid hanging in case current ao doesn't output
// partial chunks and doesn't check for AOPLAY_FINAL_CHUNK
mp_msg(MSGT_CPLAYER, MSGL_WARN, "Audio output truncated at end.\n");
sh_audio->a_out_buffer_len = 0;
}
break;
} // while(sh_audio)
@ -3709,8 +3724,6 @@ if(!sh_video) {
double a_pos = playing_audio_pts(sh_audio, d_audio, audio_out);
print_status(a_pos, 0, 0);
}
if(d_audio->eof && sh_audio->a_in_buffer_len <= 0 && sh_audio->a_buffer_len <= 0) eof = PT_NEXT_ENTRY;
} else {
/*========================== PLAY VIDEO ============================*/