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sim_offload: add MONO channel encode method and set samplerate before encode.

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According to different pcm data format, set real sample rate and encode separately.

Signed-off-by: wurui3 <wurui3@xiaomi.com>
This commit is contained in:
wurui3 2023-11-23 11:28:36 +08:00 • committed by Xiang Xiao
parent 42e416d054
commit de2920605d
1 changed files with 12 additions and 2 deletions
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14
arch/sim/src/sim/sim_offload.c
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@ -457,6 +457,7 @@ void *sim_audio_lame_init(struct audio_info_s *info)
{
lame_set_num_channels(codec->gfp, info->channels);
lame_set_mode(codec->gfp, info->channels > 1 ? STEREO : MONO);
lame_set_in_samplerate(codec->gfp, (int)info->samplerate);
}
ret = lame_init_params(codec->gfp);
@ -510,8 +511,17 @@ static int sim_audio_lame_encode(void *handle,
chs = lame_get_num_channels(codec->gfp);
samples = insize / (sizeof(short int) * chs);
ret = lame_encode_buffer_interleaved(codec->gfp, (short int *)in, samples,
codec->out, codec->max);
if (chs > 1)
{
ret = lame_encode_buffer_interleaved(codec->gfp, (short int *)in,
samples, codec->out, codec->max);
}
else
{
ret = lame_encode_buffer(codec->gfp, (short int *)in, NULL, samples,
codec->out, codec->max);
}
if (ret < 0)
{
return ret;