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More stable playback with reduced stuttering when skipping tracks.

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Removed CODEC_SET_FILEBUF_LIMIT setting; now playback.c determines how
to buffer the files.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7970 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Miika Pekkarinen 2005-11-18 20:21:13 +00:00
parent 88a2a8a53a
commit 9c0f1a9e39
12 changed files with 22 additions and 26 deletions
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37
apps/playback.c
View file

@ -81,6 +81,7 @@ static volatile bool paused;
#define CODEC_AAC "/.rockbox/codecs/aac.codec"
#define CODEC_SHN "/.rockbox/codecs/shorten.codec"
#define AUDIO_DEFAULT_FIRST_LIMIT (1024*1024*10)
#define AUDIO_FILL_CYCLE (1024*256)
#define AUDIO_DEFAULT_WATERMARK (1024*512)
#define AUDIO_DEFAULT_FILECHUNK (1024*32)
@ -717,10 +718,6 @@ void codec_configure_callback(int setting, void *value)
conf_filechunk = (unsigned int)value;
break;
case CODEC_SET_FILEBUF_LIMIT:
conf_bufferlimit = (unsigned int)value;
break;
case CODEC_DSP_ENABLE:
if ((bool)value)
ci.pcmbuf_insert = codec_pcmbuf_insert_callback;
@ -1009,9 +1006,11 @@ bool read_next_metadata(void)
fd = open(trackname, O_RDONLY);
if (fd < 0)
return false;
/* Start buffer refilling also because we need to spin-up the disk. */
filling = true;
/** Start buffer refilling also because we need to spin-up the disk.
* In fact, it might be better not to start filling here, because if user
* is manipulating the playlist a lot, we will just lose battery. */
// filling = true;
tracks[next_track].id3.codectype = probe_file_format(trackname);
status = get_metadata(&tracks[next_track],fd,trackname,v1first);
tracks[next_track].id3.codectype = 0;
@ -1081,7 +1080,7 @@ bool audio_load_track(int offset, bool start_play, int peek_offset)
if (start_play) {
int last_codec = current_codec;
current_codec = CODEC_IDX_AUDIO;
conf_bufferlimit = 0;
conf_bufferlimit = AUDIO_DEFAULT_FIRST_LIMIT;
conf_watermark = AUDIO_DEFAULT_WATERMARK;
conf_filechunk = AUDIO_DEFAULT_FILECHUNK;
dsp_configure(DSP_RESET, 0);
@ -1329,13 +1328,13 @@ void initialize_buffer_fill(void)
{
int cur_idx, i;
fill_bytesleft = filebuflen - filebufused;
cur_ti->start_pos = ci.curpos;
/* Initialize only once; do not truncate the tracks. */
if (filling)
return ;
fill_bytesleft = filebuflen - filebufused;
cur_ti->start_pos = ci.curpos;
pcmbuf_set_boost_mode(true);
filling = true;
@ -1392,8 +1391,14 @@ void audio_check_buffer(void)
/* Load new files to fill the entire buffer. */
if (audio_load_track(0, false, last_peek_offset + 1)) {
} else if (tracks[track_widx].filerem == 0 || fill_bytesleft == 0) {
if (conf_bufferlimit)
fill_bytesleft = 0;
}
else if (tracks[track_widx].filerem == 0)
fill_bytesleft = 0;
if (fill_bytesleft <= 0)
{
/* Read next unbuffered track's metadata as necessary. */
read_next_metadata();
@ -1659,7 +1664,7 @@ void audio_thread(void)
bool play_pending = false;
while (1) {
if (!play_pending)
if (!play_pending && queue_empty(&audio_queue))
{
yield_codecs();
audio_check_buffer();
@ -1683,12 +1688,14 @@ void audio_thread(void)
* fast to prevent UI lag. */
track_count = 0;
last_peek_offset = 0;
track_changed = true;
if (current_tick - last_tick < HZ/2)
{
play_pending = true;
break ;
}
play_pending = false;
last_tick = current_tick;
/* Do not start crossfading if audio is paused. */
if (paused)