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codecs: Fix elapsed time calculation for large files

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In particular, this solves seeking glitches seen in ~6 hr mp3 files.

(Patch taken from Igor Poretsky's tree)

Change-Id: Id65b6726146b6d2d1a223e90b88e401d1b2d597a
This commit is contained in:
Solomon Peachy 2018-10-15 17:59:13 -04:00
parent 0120ecd651
commit 20b91a83d3
7 changed files with 15 additions and 17 deletions
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5
lib/rbcodec/codecs/aac.c
View file

@ -141,8 +141,7 @@ enum codec_status codec_run(void)
sound_samples_done = 0;
}
NeAACDecPostSeekReset(decoder, i);
elapsed_time = (sound_samples_done * 10) /
(ci->id3->frequency / 100);
elapsed_time = sound_samples_done * 1000LL / ci->id3->frequency;
} else if (param) {
elapsed_time = param;
action = CODEC_ACTION_SEEK_TIME;
@ -176,7 +175,7 @@ enum codec_status codec_run(void)
(param/10/sbr_fac)*(ci->id3->frequency/100),
&sound_samples_done, (int*) &i)) {
sound_samples_done *= sbr_fac;
elapsed_time = (sound_samples_done * 10) / (ci->id3->frequency / 100);
elapsed_time = sound_samples_done * 1000LL / ci->id3->frequency;
ci->set_elapsed(elapsed_time);
seek_idx = 0;

6
lib/rbcodec/codecs/alac.c
View file

@ -104,7 +104,7 @@ enum codec_status codec_run(void)
}
}
elapsedtime = (samplesdone*10)/(ci->id3->frequency/100);
elapsedtime = samplesdone * 1000LL / ci->id3->frequency;
ci->set_elapsed(elapsedtime);
/* The main decoding loop */
@ -119,7 +119,7 @@ enum codec_status codec_run(void)
if (m4a_seek(&demux_res, &input_stream,
(param/10) * (ci->id3->frequency/100),
&samplesdone, (int *)&i)) {
elapsedtime=(samplesdone*10)/(ci->id3->frequency/100);
elapsedtime=samplesdone*1000LL/ci->id3->frequency;
}
ci->set_elapsed(elapsedtime);
ci->seek_complete();
@ -140,7 +140,7 @@ enum codec_status codec_run(void)
/* Update the elapsed-time indicator */
samplesdone+=samplesdecoded;
elapsedtime=(samplesdone*10)/(ci->id3->frequency/100);
elapsedtime=samplesdone*1000LL/ci->id3->frequency;
ci->set_elapsed(elapsedtime);
i++;

7
lib/rbcodec/codecs/ape.c
View file

@ -218,7 +218,7 @@ enum codec_status codec_run(void)
ape_resume(&ape_ctx, resume_offset,
&currentframe, &samplesdone, &samplestoskip, &firstbyte);
elapsedtime = (samplesdone*10)/(ape_ctx.samplerate/100);
elapsedtime = samplesdone*1000LL/ape_ctx.samplerate;
}
else {
currentframe = 0;
@ -285,8 +285,7 @@ frame_start:
inbuffer = ci->request_buffer(&bytesleft,
INPUT_CHUNKSIZE);
elapsedtime = (samplesdone*10)/
(ape_ctx.samplerate/100);
elapsedtime = samplesdone*1000LL/ape_ctx.samplerate;
ci->set_elapsed(elapsedtime);
ci->seek_complete();
action = CODEC_ACTION_NULL;
@ -330,7 +329,7 @@ frame_start:
if (!samplestoskip) {
/* Update the elapsed-time indicator */
elapsedtime = (samplesdone*10)/(ape_ctx.samplerate/100);
elapsedtime = samplesdone*1000LL/ape_ctx.samplerate;
ci->set_elapsed(elapsedtime);
}

4
lib/rbcodec/codecs/mpa.c
View file

@ -420,7 +420,7 @@ enum codec_status codec_run(void)
break;
}
ci->set_elapsed((samplesdone * 1000) / current_frequency);
ci->set_elapsed((samplesdone * 1000LL) / current_frequency);
ci->seek_complete();
init_mad();
framelength = 0;
@ -508,7 +508,7 @@ enum codec_status codec_run(void)
}
samplesdone += framelength;
ci->set_elapsed((samplesdone * 1000) / current_frequency);
ci->set_elapsed((samplesdone * 1000LL) / current_frequency);
}
/* wait for synth idle - MT only*/

6
lib/rbcodec/codecs/mpc.c
View file

@ -140,7 +140,7 @@ enum codec_status codec_run(void)
samplesdone = 0;
}
elapsed_time = (samplesdone*10)/frequency;
elapsed_time = (samplesdone*10LL)/frequency;
}
ci->set_elapsed(elapsed_time);
@ -162,7 +162,7 @@ enum codec_status codec_run(void)
samplesdone = new_offset;
}
elapsed_time = (samplesdone*10)/frequency;
elapsed_time = (samplesdone*10LL)/frequency;
ci->set_elapsed(elapsed_time);
ci->seek_complete();
}
@ -182,7 +182,7 @@ enum codec_status codec_run(void)
frame.buffer + MPC_FRAME_LENGTH,
frame.samples);
samplesdone += frame.samples;
elapsed_time = (samplesdone*10)/frequency;
elapsed_time = (samplesdone*10LL)/frequency;
ci->set_elapsed(elapsed_time);
/* Remark: rockbox offset is the file offset in bytes. So estimate
* this offset from the samples, sampling frequency and bitrate */

2
lib/rbcodec/codecs/shorten.c
View file

@ -145,7 +145,7 @@ seek_start:
/* Update the elapsed-time indicator */
samplesdone += nsamples;
elapsedtime = (samplesdone*10) / (sc.sample_rate/100);
elapsedtime = samplesdone*1000LL/sc.sample_rate;
ci->set_elapsed(elapsedtime);
}

2
lib/rbcodec/codecs/speex.c
View file

@ -570,7 +570,7 @@ next_page:
ci->set_offset((long) ci->curpos);
ci->set_elapsed((samplerate == 0) ? 0 :
cur_granule * 1000 / samplerate);
cur_granule * 1000LL / samplerate);
}
}
}