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Refactor to reuse seek code for resume by time

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It fixes Playback/Bookmarks Resume for long vbr mp3 files
It also fixes resume by time for asf files.

As a replacement for https://gerrit.rockbox.org/r/c/rockbox/+/4750

Change-Id: Iaa59b5862385f5fe91fdc2fb0b1fde8ce75c0b54
This commit is contained in:
roman.artiukhin 2022-10-30 08:11:25 +02:00 • committed by Aidan MacDonald
parent 5d7e15324b
commit 0d30356734
1 changed files with 37 additions and 36 deletions
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67
lib/rbcodec/codecs/mpa.c
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@ -408,6 +408,35 @@ enum codec_status codec_main(enum codec_entry_call_reason reason)
return CODEC_OK;
}
bool seek_by_time(int64_t* samplesdone, unsigned long current_frequency, unsigned long elapsed_ms)
{
if (ci->id3->is_asf_stream) {
asf_waveformatex_t *wfx = (asf_waveformatex_t *)(ci->id3->toc);
int elapsedtime = asf_seek(elapsed_ms, wfx);
*samplesdone = (elapsedtime > 0) ?
(((int64_t)elapsedtime)*current_frequency/1000) : 0;
if (elapsedtime < 1) {
ci->set_elapsed(0);
return false;
} else {
ci->set_elapsed(elapsedtime);
reset_stream_buffer();
}
} else {
int newpos = elapsed_ms ? get_file_pos(elapsed_ms) : (int)(ci->id3->first_frame_offset);
*samplesdone = ((int64_t)elapsed_ms) * current_frequency / 1000;
if (!ci->seek_buffer(newpos))
return false;
ci->set_elapsed((*samplesdone * 1000LL) / current_frequency);
}
return true;
}
/* this is called for each file to process */
enum codec_status codec_run(void)
{
@ -432,11 +461,6 @@ enum codec_status codec_run(void)
current_frequency = ci->id3->frequency;
codec_set_replaygain(ci->id3);
if (!ci->id3->is_asf_stream && !ci->id3->offset && ci->id3->elapsed) {
/* Have elapsed time but not offset */
ci->id3->offset = get_file_pos(ci->id3->elapsed);
}
if (ci->id3->offset) {
if (ci->id3->is_asf_stream) {
@ -453,6 +477,9 @@ enum codec_status codec_run(void)
set_elapsed(ci->id3);
}
}
else if (ci->id3->elapsed)
/* Have elapsed time but not offset */
seek_by_time(&samplesdone, current_frequency, ci->id3->elapsed);
else
ci->seek_buffer(ci->id3->first_frame_offset);
@ -508,36 +535,10 @@ enum codec_status codec_run(void)
samples_to_skip = 0;
}
if (ci->id3->is_asf_stream) {
asf_waveformatex_t *wfx = (asf_waveformatex_t *)(ci->id3->toc);
int elapsedtime = asf_seek(param, wfx);
samplesdone = (elapsedtime > 0) ?
(((int64_t)elapsedtime)*current_frequency/1000) : 0;
if (elapsedtime < 1) {
ci->set_elapsed(0);
bool success = seek_by_time(&samplesdone, current_frequency, param);
ci->seek_complete();
if (!success)
break;
} else {
ci->set_elapsed(elapsedtime);
ci->seek_complete();
reset_stream_buffer();
}
} else {
int newpos = param ? get_file_pos(param) : (int)(ci->id3->first_frame_offset);
samplesdone = ((int64_t)param)*current_frequency/1000;
if (!ci->seek_buffer(newpos))
{
ci->seek_complete();
break;
}
ci->set_elapsed((samplesdone * 1000LL) / current_frequency);
ci->seek_complete();
}
init_mad();
framelength = 0;