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codecs: aac: Prefer to resume by time instead of offset

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m4a_seek_raw() is relatively inaccurate, so time-based resume
should be preferred.

Change-Id: I959ef165f9a99d12deb804c13d20413c1cecf867
This commit is contained in:
Aidan MacDonald 2022-11-14 19:43:17 +00:00
parent 5fdd491ceb
commit ea61347a0b
1 changed files with 5 additions and 5 deletions
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10
lib/rbcodec/codecs/aac.c
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@ -130,9 +130,12 @@ enum codec_status codec_run(void)
i = 0; i = 0;
if (file_offset > 0) { if (param) {
elapsed_time = param;
action = CODEC_ACTION_SEEK_TIME;
} else if (file_offset > 0) {
/* Resume the desired (byte) position. Important: When resuming SBR /* Resume the desired (byte) position. Important: When resuming SBR
* upsampling files the resulting sound_samples_done must be expanded * upsampling files the resulting sound_samples_done must be expanded
* by a factor of 2. This is done via using sbr_fac. */ * by a factor of 2. This is done via using sbr_fac. */
if (m4a_seek_raw(&demux_res, &input_stream, file_offset, if (m4a_seek_raw(&demux_res, &input_stream, file_offset,
&sound_samples_done, (int*) &i)) { &sound_samples_done, (int*) &i)) {
@ -142,9 +145,6 @@ enum codec_status codec_run(void)
} }
NeAACDecPostSeekReset(decoder, i); NeAACDecPostSeekReset(decoder, i);
elapsed_time = sound_samples_done * 1000LL / ci->id3->frequency; elapsed_time = sound_samples_done * 1000LL / ci->id3->frequency;
} else if (param) {
elapsed_time = param;
action = CODEC_ACTION_SEEK_TIME;
} else { } else {
elapsed_time = 0; elapsed_time = 0;
sound_samples_done = 0; sound_samples_done = 0;