devs/foxbox
1
0
Fork 0
forked from len0rd/rockbox
Code Pull requests Activity

Clean up comments.

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27078 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Andree Buschmann 2010-06-23 06:25:18 +00:00
parent f101c8ad62
commit fc1fab4776
1 changed files with 16 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

32
apps/codecs/mpc.c
View file

@ -35,9 +35,7 @@ static mpc_int32_t read_impl(mpc_reader *reader, void *ptr, mpc_int32_t size)
}
static mpc_bool_t seek_impl(mpc_reader *reader, mpc_int32_t offset)
{
/* WARNING: assumes we don't need to skip too far into the past,
this might not be supported by the buffering layer yet */
{
(void)reader;
return ci->seek_buffer(offset);
}
@ -54,7 +52,7 @@ static mpc_int32_t get_size_impl(mpc_reader *reader)
return ci->filesize;
}
/* this is the codec entry point */
/* This is the codec entry point. */
enum codec_status codec_main(void)
{
mpc_int64_t samplesdone;
@ -90,14 +88,14 @@ next_track:
while (!*ci->taginfo_ready && !ci->stop_codec)
ci->sleep(1);
/* initialize demux/decoder */
/* Initialize demux/decoder. */
demux = mpc_demux_init(&reader);
if (NULL == demux)
{
retval = CODEC_ERROR;
goto done;
}
/* read file's streaminfo data */
/* Read file's streaminfo data. */
mpc_demux_get_info(demux, &info);
byterate = (mpc_uint32_t)(info.average_bitrate) / 8;
@ -110,7 +108,7 @@ next_track:
* there is no loss of information except rounding. */
samplesdone = 100 * ((mpc_uint64_t)(ci->id3->offset * frequency) / byterate);
/* set playback engine up for correct number of channels */
/* Set up digital signal processing for correct number of channels */
/* NOTE: current musepack format only allows for stereo files
but code is here to handle other configurations anyway */
if (info.channels == 2)
@ -126,8 +124,8 @@ next_track:
codec_set_replaygain(ci->id3);
/* Resume to saved sample offset. */
if (samplesdone > 0) {
/* hack to improve seek time if filebuf goes empty */
if (samplesdone > 0)
{
if (mpc_demux_seek_sample(demux, samplesdone) == MPC_STATUS_OK)
{
elapsed_time = (samplesdone*10)/frequency;
@ -137,15 +135,14 @@ next_track:
{
samplesdone = 0;
}
/* reset chunksize */
}
/* This is the decoding loop. */
do {
/* Complete seek handler. */
do
{
/* Complete seek handler. */
if (ci->seek_time)
{
/* hack to improve seek time if filebuf goes empty */
mpc_int64_t new_offset = ((ci->seek_time - 1)/10)*frequency;
if (mpc_demux_seek_sample(demux, new_offset) == MPC_STATUS_OK)
{
@ -153,20 +150,24 @@ next_track:
ci->set_elapsed(ci->seek_time);
}
ci->seek_complete();
/* reset chunksize */
}
/* Stop or skip occured, exit decoding loop. */
if (ci->stop_codec || ci->new_track)
break;
/* Decode one frame. */
status = mpc_demux_decode(demux, &frame);
ci->yield();
if (frame.bits == -1) /* decoding stopped */
if (frame.bits == -1)
{
/* Decoding error, exit decoding loop. */
retval = (status == MPC_STATUS_OK) ? CODEC_OK : CODEC_ERROR;
goto done;
}
else
{
/* Decoding passed, insert samples to PCM buffer. */
ci->pcmbuf_insert(frame.buffer,
frame.buffer + MPC_FRAME_LENGTH,
frame.samples);
@ -186,4 +187,3 @@ done:
exit:
return retval;
}