summaryrefslogtreecommitdiff
path: root/thirdparty/opus/opus_decoder.c
diff options
context:
space:
mode:
Diffstat (limited to 'thirdparty/opus/opus_decoder.c')
-rw-r--r--thirdparty/opus/opus_decoder.c117
1 files changed, 84 insertions, 33 deletions
diff --git a/thirdparty/opus/opus_decoder.c b/thirdparty/opus/opus_decoder.c
index 080bec5072..9113638a00 100644
--- a/thirdparty/opus/opus_decoder.c
+++ b/thirdparty/opus/opus_decoder.c
@@ -78,6 +78,26 @@ struct OpusDecoder {
opus_uint32 rangeFinal;
};
+#if defined(ENABLE_HARDENING) || defined(ENABLE_ASSERTIONS)
+static void validate_opus_decoder(OpusDecoder *st)
+{
+ celt_assert(st->channels == 1 || st->channels == 2);
+ celt_assert(st->Fs == 48000 || st->Fs == 24000 || st->Fs == 16000 || st->Fs == 12000 || st->Fs == 8000);
+ celt_assert(st->DecControl.API_sampleRate == st->Fs);
+ celt_assert(st->DecControl.internalSampleRate == 0 || st->DecControl.internalSampleRate == 16000 || st->DecControl.internalSampleRate == 12000 || st->DecControl.internalSampleRate == 8000);
+ celt_assert(st->DecControl.nChannelsAPI == st->channels);
+ celt_assert(st->DecControl.nChannelsInternal == 0 || st->DecControl.nChannelsInternal == 1 || st->DecControl.nChannelsInternal == 2);
+ celt_assert(st->DecControl.payloadSize_ms == 0 || st->DecControl.payloadSize_ms == 10 || st->DecControl.payloadSize_ms == 20 || st->DecControl.payloadSize_ms == 40 || st->DecControl.payloadSize_ms == 60);
+#ifdef OPUS_ARCHMASK
+ celt_assert(st->arch >= 0);
+ celt_assert(st->arch <= OPUS_ARCHMASK);
+#endif
+ celt_assert(st->stream_channels == 1 || st->stream_channels == 2);
+}
+#define VALIDATE_OPUS_DECODER(st) validate_opus_decoder(st)
+#else
+#define VALIDATE_OPUS_DECODER(st)
+#endif
int opus_decoder_get_size(int channels)
{
@@ -104,7 +124,7 @@ int opus_decoder_init(OpusDecoder *st, opus_int32 Fs, int channels)
return OPUS_BAD_ARG;
OPUS_CLEAR((char*)st, opus_decoder_get_size(channels));
- /* Initialize SILK encoder */
+ /* Initialize SILK decoder */
ret = silk_Get_Decoder_Size(&silkDecSizeBytes);
if (ret)
return OPUS_INTERNAL_ERROR;
@@ -217,6 +237,7 @@ static int opus_decode_frame(OpusDecoder *st, const unsigned char *data,
int audiosize;
int mode;
+ int bandwidth;
int transition=0;
int start_band;
int redundancy=0;
@@ -253,10 +274,12 @@ static int opus_decode_frame(OpusDecoder *st, const unsigned char *data,
{
audiosize = st->frame_size;
mode = st->mode;
+ bandwidth = st->bandwidth;
ec_dec_init(&dec,(unsigned char*)data,len);
} else {
audiosize = frame_size;
mode = st->prev_mode;
+ bandwidth = 0;
if (mode == 0)
{
@@ -355,15 +378,15 @@ static int opus_decode_frame(OpusDecoder *st, const unsigned char *data,
{
st->DecControl.nChannelsInternal = st->stream_channels;
if( mode == MODE_SILK_ONLY ) {
- if( st->bandwidth == OPUS_BANDWIDTH_NARROWBAND ) {
+ if( bandwidth == OPUS_BANDWIDTH_NARROWBAND ) {
st->DecControl.internalSampleRate = 8000;
- } else if( st->bandwidth == OPUS_BANDWIDTH_MEDIUMBAND ) {
+ } else if( bandwidth == OPUS_BANDWIDTH_MEDIUMBAND ) {
st->DecControl.internalSampleRate = 12000;
- } else if( st->bandwidth == OPUS_BANDWIDTH_WIDEBAND ) {
+ } else if( bandwidth == OPUS_BANDWIDTH_WIDEBAND ) {
st->DecControl.internalSampleRate = 16000;
} else {
st->DecControl.internalSampleRate = 16000;
- silk_assert( 0 );
+ celt_assert( 0 );
}
} else {
/* Hybrid mode */
@@ -427,10 +450,26 @@ static int opus_decode_frame(OpusDecoder *st, const unsigned char *data,
if (mode != MODE_CELT_ONLY)
start_band = 17;
+ if (redundancy)
+ {
+ transition = 0;
+ pcm_transition_silk_size=ALLOC_NONE;
+ }
+
+ ALLOC(pcm_transition_silk, pcm_transition_silk_size, opus_val16);
+
+ if (transition && mode != MODE_CELT_ONLY)
+ {
+ pcm_transition = pcm_transition_silk;
+ opus_decode_frame(st, NULL, 0, pcm_transition, IMIN(F5, audiosize), 0);
+ }
+
+
+ if (bandwidth)
{
int endband=21;
- switch(st->bandwidth)
+ switch(bandwidth)
{
case OPUS_BANDWIDTH_NARROWBAND:
endband = 13;
@@ -445,24 +484,13 @@ static int opus_decode_frame(OpusDecoder *st, const unsigned char *data,
case OPUS_BANDWIDTH_FULLBAND:
endband = 21;
break;
+ default:
+ celt_assert(0);
+ break;
}
- celt_decoder_ctl(celt_dec, CELT_SET_END_BAND(endband));
- celt_decoder_ctl(celt_dec, CELT_SET_CHANNELS(st->stream_channels));
- }
-
- if (redundancy)
- {
- transition = 0;
- pcm_transition_silk_size=ALLOC_NONE;
- }
-
- ALLOC(pcm_transition_silk, pcm_transition_silk_size, opus_val16);
-
- if (transition && mode != MODE_CELT_ONLY)
- {
- pcm_transition = pcm_transition_silk;
- opus_decode_frame(st, NULL, 0, pcm_transition, IMIN(F5, audiosize), 0);
+ MUST_SUCCEED(celt_decoder_ctl(celt_dec, CELT_SET_END_BAND(endband)));
}
+ MUST_SUCCEED(celt_decoder_ctl(celt_dec, CELT_SET_CHANNELS(st->stream_channels)));
/* Only allocation memory for redundancy if/when needed */
redundant_audio_size = redundancy ? F5*st->channels : ALLOC_NONE;
@@ -471,21 +499,21 @@ static int opus_decode_frame(OpusDecoder *st, const unsigned char *data,
/* 5 ms redundant frame for CELT->SILK*/
if (redundancy && celt_to_silk)
{
- celt_decoder_ctl(celt_dec, CELT_SET_START_BAND(0));
+ MUST_SUCCEED(celt_decoder_ctl(celt_dec, CELT_SET_START_BAND(0)));
celt_decode_with_ec(celt_dec, data+len, redundancy_bytes,
redundant_audio, F5, NULL, 0);
- celt_decoder_ctl(celt_dec, OPUS_GET_FINAL_RANGE(&redundant_rng));
+ MUST_SUCCEED(celt_decoder_ctl(celt_dec, OPUS_GET_FINAL_RANGE(&redundant_rng)));
}
/* MUST be after PLC */
- celt_decoder_ctl(celt_dec, CELT_SET_START_BAND(start_band));
+ MUST_SUCCEED(celt_decoder_ctl(celt_dec, CELT_SET_START_BAND(start_band)));
if (mode != MODE_SILK_ONLY)
{
int celt_frame_size = IMIN(F20, frame_size);
/* Make sure to discard any previous CELT state */
if (mode != st->prev_mode && st->prev_mode > 0 && !st->prev_redundancy)
- celt_decoder_ctl(celt_dec, OPUS_RESET_STATE);
+ MUST_SUCCEED(celt_decoder_ctl(celt_dec, OPUS_RESET_STATE));
/* Decode CELT */
celt_ret = celt_decode_with_ec(celt_dec, decode_fec ? NULL : data,
len, pcm, celt_frame_size, &dec, celt_accum);
@@ -500,7 +528,7 @@ static int opus_decode_frame(OpusDecoder *st, const unsigned char *data,
do a fade-out by decoding a silence frame */
if (st->prev_mode == MODE_HYBRID && !(redundancy && celt_to_silk && st->prev_redundancy) )
{
- celt_decoder_ctl(celt_dec, CELT_SET_START_BAND(0));
+ MUST_SUCCEED(celt_decoder_ctl(celt_dec, CELT_SET_START_BAND(0)));
celt_decode_with_ec(celt_dec, silence, 2, pcm, F2_5, NULL, celt_accum);
}
}
@@ -518,18 +546,18 @@ static int opus_decode_frame(OpusDecoder *st, const unsigned char *data,
{
const CELTMode *celt_mode;
- celt_decoder_ctl(celt_dec, CELT_GET_MODE(&celt_mode));
+ MUST_SUCCEED(celt_decoder_ctl(celt_dec, CELT_GET_MODE(&celt_mode)));
window = celt_mode->window;
}
/* 5 ms redundant frame for SILK->CELT */
if (redundancy && !celt_to_silk)
{
- celt_decoder_ctl(celt_dec, OPUS_RESET_STATE);
- celt_decoder_ctl(celt_dec, CELT_SET_START_BAND(0));
+ MUST_SUCCEED(celt_decoder_ctl(celt_dec, OPUS_RESET_STATE));
+ MUST_SUCCEED(celt_decoder_ctl(celt_dec, CELT_SET_START_BAND(0)));
celt_decode_with_ec(celt_dec, data+len, redundancy_bytes, redundant_audio, F5, NULL, 0);
- celt_decoder_ctl(celt_dec, OPUS_GET_FINAL_RANGE(&redundant_rng));
+ MUST_SUCCEED(celt_decoder_ctl(celt_dec, OPUS_GET_FINAL_RANGE(&redundant_rng)));
smooth_fade(pcm+st->channels*(frame_size-F2_5), redundant_audio+st->channels*F2_5,
pcm+st->channels*(frame_size-F2_5), F2_5, st->channels, window, st->Fs);
}
@@ -605,6 +633,7 @@ int opus_decode_native(OpusDecoder *st, const unsigned char *data,
int packet_frame_size, packet_bandwidth, packet_mode, packet_stream_channels;
/* 48 x 2.5 ms = 120 ms */
opus_int16 size[48];
+ VALIDATE_OPUS_DECODER(st);
if (decode_fec<0 || decode_fec>1)
return OPUS_BAD_ARG;
/* For FEC/PLC, frame_size has to be to have a multiple of 2.5 ms */
@@ -740,6 +769,7 @@ int opus_decode_float(OpusDecoder *st, const unsigned char *data,
else
return OPUS_INVALID_PACKET;
}
+ celt_assert(st->channels == 1 || st->channels == 2);
ALLOC(out, frame_size*st->channels, opus_int16);
ret = opus_decode_native(st, data, len, out, frame_size, decode_fec, 0, NULL, 0);
@@ -777,6 +807,7 @@ int opus_decode(OpusDecoder *st, const unsigned char *data,
else
return OPUS_INVALID_PACKET;
}
+ celt_assert(st->channels == 1 || st->channels == 2);
ALLOC(out, frame_size*st->channels, float);
ret = opus_decode_native(st, data, len, out, frame_size, decode_fec, 0, NULL, 1);
@@ -864,7 +895,7 @@ int opus_decoder_ctl(OpusDecoder *st, int request, ...)
goto bad_arg;
}
if (st->prev_mode == MODE_CELT_ONLY)
- celt_decoder_ctl(celt_dec, OPUS_GET_PITCH(value));
+ ret = celt_decoder_ctl(celt_dec, OPUS_GET_PITCH(value));
else
*value = st->DecControl.prevPitchLag;
}
@@ -891,7 +922,7 @@ int opus_decoder_ctl(OpusDecoder *st, int request, ...)
break;
case OPUS_GET_LAST_PACKET_DURATION_REQUEST:
{
- opus_uint32 *value = va_arg(ap, opus_uint32*);
+ opus_int32 *value = va_arg(ap, opus_int32*);
if (!value)
{
goto bad_arg;
@@ -899,6 +930,26 @@ int opus_decoder_ctl(OpusDecoder *st, int request, ...)
*value = st->last_packet_duration;
}
break;
+ case OPUS_SET_PHASE_INVERSION_DISABLED_REQUEST:
+ {
+ opus_int32 value = va_arg(ap, opus_int32);
+ if(value<0 || value>1)
+ {
+ goto bad_arg;
+ }
+ ret = celt_decoder_ctl(celt_dec, OPUS_SET_PHASE_INVERSION_DISABLED(value));
+ }
+ break;
+ case OPUS_GET_PHASE_INVERSION_DISABLED_REQUEST:
+ {
+ opus_int32 *value = va_arg(ap, opus_int32*);
+ if (!value)
+ {
+ goto bad_arg;
+ }
+ ret = celt_decoder_ctl(celt_dec, OPUS_GET_PHASE_INVERSION_DISABLED(value));
+ }
+ break;
default:
/*fprintf(stderr, "unknown opus_decoder_ctl() request: %d", request);*/
ret = OPUS_UNIMPLEMENTED;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 11:33:55 +0000