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Implements OPUS_RESET_STATE for the encoder (untested as well)

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This commit is contained in:
Jean-Marc Valin 2011-08-30 20:09:22 -04:00
parent 0446563010
commit 927488b292
1 changed files with 36 additions and 16 deletions
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52
src/opus_encoder.c
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@ -53,26 +53,27 @@ struct OpusEncoder {
int celt_enc_offset;
int silk_enc_offset;
silk_EncControlStruct silk_mode;
int hybrid_stereo_width_Q14;
int channels;
int stream_channels;
int force_mono;
int mode;
int application;
int prev_mode;
int channels;
int delay_compensation;
int force_mono;
int signal_type;
int bandwidth;
int user_bandwidth;
int voice_ratio;
/* Sampling rate (at the API level) */
int Fs;
int use_vbr;
int vbr_constraint;
int bitrate_bps;
int user_bitrate_bps;
int encoder_buffer;
int delay_compensation;
#define OPUS_ENCODER_RESET_START stream_channels
int stream_channels;
int hybrid_stereo_width_Q14;
int mode;
int prev_mode;
int bandwidth;
/* Sampling rate (at the API level) */
int first;
opus_val16 delay_buffer[MAX_ENCODER_BUFFER*2];
@ -157,8 +158,6 @@ int opus_encoder_init(OpusEncoder* st, int Fs, int channels, int application)
st->silk_mode.useCBR = 0;
st->silk_mode.HP_cutoff_Hz = 0;
st->hybrid_stereo_width_Q14 = 1 << 14;
/* Create CELT encoder */
/* Initialize CELT encoder */
celt_encoder_init(celt_enc, Fs, channels, &err);
@ -166,8 +165,6 @@ int opus_encoder_init(OpusEncoder* st, int Fs, int channels, int application)
goto failure;
celt_encoder_ctl(celt_enc, CELT_SET_SIGNALLING(0));
st->mode = MODE_HYBRID;
st->bandwidth = OPUS_BANDWIDTH_FULLBAND;
st->use_vbr = 0;
st->user_bitrate_bps = OPUS_BITRATE_AUTO;
st->bitrate_bps = 3000+Fs*channels;
@ -175,9 +172,8 @@ int opus_encoder_init(OpusEncoder* st, int Fs, int channels, int application)
st->signal_type = OPUS_SIGNAL_AUTO;
st->user_bandwidth = OPUS_BANDWIDTH_AUTO;
st->voice_ratio = 90;
st->first = 1;
st->encoder_buffer = st->Fs/100;
st->delay_compensation = st->Fs/400;
/* This part is meant to compensate for the resampler delay as a function
of the API sampling rate */
@ -188,6 +184,11 @@ int opus_encoder_init(OpusEncoder* st, int Fs, int channels, int application)
else
st->delay_compensation += 2;
st->hybrid_stereo_width_Q14 = 1 << 14;
st->first = 1;
st->mode = MODE_HYBRID;
st->bandwidth = OPUS_BANDWIDTH_FULLBAND;
return OPUS_OK;
failure:
@ -998,6 +999,25 @@ int opus_encoder_ctl(OpusEncoder *st, int request, ...)
*value = st->rangeFinal;
}
break;
case OPUS_RESET_STATE:
{
void *silk_enc;
silk_EncControlStruct dummy;
silk_enc = (char*)st+st->silk_enc_offset;
OPUS_CLEAR((char*)&st->OPUS_ENCODER_RESET_START,
opus_encoder_get_size(st->channels)-
((char*)&st->OPUS_ENCODER_RESET_START - (char*)st));
celt_encoder_ctl(celt_enc, CELT_RESET_STATE);
silk_InitEncoder( silk_enc, &dummy );
st->stream_channels = st->channels;
st->hybrid_stereo_width_Q14 = 1 << 14;
st->first = 1;
st->mode = MODE_HYBRID;
st->bandwidth = OPUS_BANDWIDTH_FULLBAND;
}
break;
default:
/* fprintf(stderr, "unknown opus_encoder_ctl() request: %d", request);*/
ret = OPUS_BAD_ARG;