static void resample_process_ms2(MSFilter *obj) {
ResampleData *dt=(ResampleData*)obj->data;
mblk_t *m;
if (dt->output_rate==dt->input_rate) {
while((m=ms_queue_get(obj->inputs[0]))!=NULL) {
ms_queue_put(obj->outputs[0],m);
}
return;
}
ms_filter_lock(obj);
if (dt->handle!=NULL) {
unsigned int inrate=0, outrate=0;
speex_resampler_get_rate(dt->handle,&inrate,&outrate);
if (inrate!=dt->input_rate || outrate!=dt->output_rate) {
speex_resampler_destroy(dt->handle);
dt->handle=0;
}
}
if (dt->handle==NULL) {
int err=0;
dt->handle=speex_resampler_init(dt->nchannels, dt->input_rate, dt->output_rate, SPEEX_RESAMPLER_QUALITY_VOIP, &err);
}
while((m=ms_queue_get(obj->inputs[0]))!=NULL) {
unsigned int inlen=(m->b_wptr-m->b_rptr)/(2*dt->nchannels);
unsigned int outlen=((inlen*dt->output_rate)/dt->input_rate)+1;
unsigned int inlen_orig=inlen;
mblk_t *om=allocb(outlen*2*dt->nchannels,0);
if (dt->nchannels==1) {
speex_resampler_process_int(dt->handle,
0,
(int16_t*)m->b_rptr,
&inlen,
(int16_t*)om->b_wptr,
&outlen);
} else {
speex_resampler_process_interleaved_int(dt->handle,
(int16_t*)m->b_rptr,
&inlen,
(int16_t*)om->b_wptr,
&outlen);
}
if (inlen_orig!=inlen) {
ms_error("Bug in resampler ! only %u samples consumed instead of %u, out=%u",
inlen,inlen_orig,outlen);
}
om->b_wptr+=outlen*2*dt->nchannels;
mblk_set_timestamp_info(om,dt->ts);
dt->ts+=outlen;
ms_queue_put(obj->outputs[0],om);
freemsg(m);
}
ms_filter_unlock(obj);
}
static void downsample_audio(Filter_Audio *f_a, int16_t *out_l, int16_t *out_h, const int16_t *in, uint32_t in_length)
{
int16_t temp[320];
uint32_t out_len = 320;
if (f_a->fs != 32000) {
speex_resampler_process_int(f_a->downsampler, 0, in, &in_length, temp, &out_len);
WebRtcSpl_AnalysisQMF(temp, out_len, out_l, out_h,
f_a->split_filter_state_1, f_a->split_filter_state_2);
} else {
WebRtcSpl_AnalysisQMF(in, out_len, out_l, out_h,
f_a->split_filter_state_1, f_a->split_filter_state_2);
}
}
static void upsample_audio(Filter_Audio *f_a, int16_t *out, uint32_t out_len, const int16_t *in_l, const int16_t *in_h, uint32_t in_length)
{
int16_t temp[320];
if (f_a->fs != 32000) {
WebRtcSpl_SynthesisQMF(in_l, in_h, in_length, temp,
f_a->split_filter_state_3, f_a->split_filter_state_4);
in_length *= 2;
speex_resampler_process_int(f_a->upsampler, 0, temp, &in_length, out, &out_len);
} else {
WebRtcSpl_SynthesisQMF(in_l, in_h, in_length, out,
f_a->split_filter_state_3, f_a->split_filter_state_4);
}
}
template <> int
SpeexResamplerProcess<int16_t>(SpeexResamplerState* aResampler,
uint32_t aChannel,
const int16_t* aInput, uint32_t* aIn,
float* aOutput, uint32_t* aOut)
{
NS_ASSERTION(*aOut <= SPEEX_RESAMPLER_PROCESS_MAX_OUTPUT, "Bad aOut");
int16_t tmp[SPEEX_RESAMPLER_PROCESS_MAX_OUTPUT];
int result = speex_resampler_process_int(aResampler, aChannel, aInput, aIn, tmp, aOut);
if (result == RESAMPLER_ERR_SUCCESS) {
for (uint32_t i = 0; i < *aOut; ++i) {
aOutput[i] = AudioSampleToFloat(tmp[i]);
}
}
return result;
}
void resample(SpeexResamplerState * resampler, int16_t * buffer, size_t & filled, std::vector<int16_t> & out)
{
uint32_t inputRate, outputRate;
speex_resampler_get_rate(resampler, &inputRate, &outputRate);
uint32_t inlen = filled;
size_t oldSize = out.size();
out.resize(oldSize + (static_cast<int64_t>(inlen) * outputRate / inputRate) + 1);
out.resize(out.capacity());
uint32_t outlen = out.size() - oldSize;
speex_resampler_process_int(resampler, 0, buffer, &inlen, &out[oldSize], &outlen);
out.resize(oldSize + outlen);
// out.insert(out.end(), buffer, buffer + inlen);
memmove(buffer, buffer + inlen, (filled - inlen) * 2);
filled -= inlen;
}
bool ResamplePCM(uint32 NumChannels, const TArray<uint8>& InBuffer, uint32 InSampleRate, TArray<uint8>& OutBuffer, uint32 OutSampleRate) const
{
// Initialize resampler to convert to desired rate for Opus
int32 err = 0;
SpeexResamplerState* resampler = speex_resampler_init(NumChannels, InSampleRate, OutSampleRate, SPEEX_RESAMPLER_QUALITY_DESKTOP, &err);
if (err != RESAMPLER_ERR_SUCCESS)
{
speex_resampler_destroy(resampler);
return false;
}
// Calculate extra space required for sample rate
const uint32 SampleStride = SAMPLE_SIZE * NumChannels;
const float Duration = (float)InBuffer.Num() / (InSampleRate * SampleStride);
const int32 SafeCopySize = (Duration + 1) * OutSampleRate * SampleStride;
OutBuffer.Empty(SafeCopySize);
OutBuffer.AddUninitialized(SafeCopySize);
uint32 InSamples = InBuffer.Num() / SampleStride;
uint32 OutSamples = OutBuffer.Num() / SampleStride;
// Do resampling and check results
if (NumChannels == 1)
{
err = speex_resampler_process_int(resampler, 0, (const short*)(InBuffer.GetData()), &InSamples, (short*)(OutBuffer.GetData()), &OutSamples);
}
else
{
err = speex_resampler_process_interleaved_int(resampler, (const short*)(InBuffer.GetData()), &InSamples, (short*)(OutBuffer.GetData()), &OutSamples);
}
speex_resampler_destroy(resampler);
if (err != RESAMPLER_ERR_SUCCESS)
{
return false;
}
// reduce the size of Out Buffer if more space than necessary was allocated
const int32 WrittenBytes = (int32)(OutSamples * SampleStride);
if (WrittenBytes < OutBuffer.Num())
{
OutBuffer.SetNum(WrittenBytes, true);
}
return true;
}
int
WebAudioUtils::SpeexResamplerProcess(SpeexResamplerState* aResampler,
uint32_t aChannel,
const int16_t* aIn, uint32_t* aInLen,
float* aOut, uint32_t* aOutLen)
{
nsAutoTArray<AudioDataValue, WEBAUDIO_BLOCK_SIZE*4> tmp;
#ifdef MOZ_SAMPLE_TYPE_S16
tmp.SetLength(*aOutLen);
int result = speex_resampler_process_int(aResampler, aChannel, aIn, aInLen, tmp.Elements(), aOutLen);
ConvertAudioSamples(tmp.Elements(), aOut, *aOutLen);
return result;
#else
tmp.SetLength(*aInLen);
ConvertAudioSamples(aIn, tmp.Elements(), *aInLen);
int result = speex_resampler_process_float(aResampler, aChannel, tmp.Elements(), aInLen, aOut, aOutLen);
return result;
#endif
}
size_t rl_resampler_resample( rl_resampler_t* resampler, const int16_t* in_buffer, size_t in_samples, int16_t* out_buffer, size_t out_samples )
{
if ( resampler != (rl_resampler_t*)&passthrough )
{
spx_uint32_t in_len = in_samples;
spx_uint32_t out_len = out_samples;
int error = speex_resampler_process_int( (SpeexResamplerState*)resampler, 0, in_buffer, &in_len, out_buffer, &out_len );
return error == RESAMPLER_ERR_SUCCESS ? out_len : 0;
}
else
{
if ( in_samples > out_samples )
{
in_samples = out_samples;
}
memcpy( out_buffer, in_buffer, in_samples * sizeof( int16_t ) );
return in_samples;
}
}
JNIEXPORT jint JNICALL Native_NATIVE(speex_1resampler_1process_1int)
(JNIEnv *env, jclass that, jlong arg0, jint arg1, jshortArray arg2, jintArray arg3, jshortArray arg4, jintArray arg5)
{
jshort *lparg2=NULL;
jint *lparg3=NULL;
jshort *lparg4=NULL;
jint *lparg5=NULL;
jint rc = 0;
Native_NATIVE_ENTER(env, that, Native_speex_1resampler_1process_1int_FUNC);
if (arg2) if ((lparg2 = (*env)->GetShortArrayElements(env, arg2, NULL)) == NULL) goto fail;
if (arg3) if ((lparg3 = (*env)->GetIntArrayElements(env, arg3, NULL)) == NULL) goto fail;
if (arg4) if ((lparg4 = (*env)->GetShortArrayElements(env, arg4, NULL)) == NULL) goto fail;
if (arg5) if ((lparg5 = (*env)->GetIntArrayElements(env, arg5, NULL)) == NULL) goto fail;
rc = speex_resampler_process_int((SpeexResamplerState *)(intptr_t)arg0, arg1, lparg2, lparg3, lparg4, lparg5);
fail:
if (arg5 && lparg5) (*env)->ReleaseIntArrayElements(env, arg5, lparg5, 0);
if (arg4 && lparg4) (*env)->ReleaseShortArrayElements(env, arg4, lparg4, 0);
if (arg3 && lparg3) (*env)->ReleaseIntArrayElements(env, arg3, lparg3, 0);
if (arg2 && lparg2) (*env)->ReleaseShortArrayElements(env, arg2, lparg2, JNI_ABORT);
Native_NATIVE_EXIT(env, that, Native_speex_1resampler_1process_1int_FUNC);
return rc;
}
static int resamp_framein(struct ast_trans_pvt *pvt, struct ast_frame *f)
{
SpeexResamplerState *resamp_pvt = pvt->pvt;
unsigned int out_samples = OUTBUF_SAMPLES - pvt->samples;
unsigned int in_samples;
if (!f->datalen) {
return -1;
}
in_samples = f->datalen / 2;
speex_resampler_process_int(resamp_pvt,
0,
f->data.ptr,
&in_samples,
pvt->outbuf.i16 + pvt->samples,
&out_samples);
pvt->samples += out_samples;
pvt->datalen += out_samples * 2;
return 0;
}
int resampler_resample_from_input(struct resampler_itfe *resampler,
int16_t *in,
size_t *inFrameCount,
int16_t *out,
size_t *outFrameCount)
{
struct resampler *rsmp = (struct resampler *)resampler;
if (rsmp == NULL || in == NULL || inFrameCount == NULL ||
out == NULL || outFrameCount == NULL) {
return -EINVAL;
}
if (rsmp->provider != NULL) {
*outFrameCount = 0;
return -ENOSYS;
}
if (rsmp->channel_count == 1) {
speex_resampler_process_int(rsmp->speex_resampler,
0,
in,
(spx_uint32_t *)inFrameCount,
out,
(spx_uint32_t *)outFrameCount);
} else {
speex_resampler_process_interleaved_int(rsmp->speex_resampler,
in,
(spx_uint32_t *)inFrameCount,
out,
(spx_uint32_t *)outFrameCount);
}
ALOGV("resampler_resample_from_input() DONE in %zu out %zu", *inFrameCount, *outFrameCount);
return 0;
}
static void downsample_audio_echo_in(Filter_Audio *f_a, int16_t *out, const int16_t *in)
{
uint32_t inlen = f_a->fs / 100;
uint32_t outlen = inlen;
speex_resampler_process_int(f_a->downsampler_echo, 0, in, &inlen, out, &outlen);
}
JNIEXPORT jint JNICALL Java_com_zebra_emc_voip_audiotest_Speex_resample
(JNIEnv * env, jclass obj, jstring path_in, jstring path_out, jint channels, jint sample_rate_in, jint sample_rate_out, jint quality) {
// size in samples
uint32_t in_size_in_sample;
// size in samples
uint32_t out_size_in_sample;
// size in bytes (assumption: 2bytes/sample)
uint32_t in_size;
// size in bytes (assumption: 2bytes/sample)
uint32_t out_size;
short *in = NULL;
short *out = NULL;
FILE *fin = NULL;
FILE *fout = NULL;
SpeexResamplerState *st = NULL;
if((channels != 1) && (channels !=2))
return SPEEX_ERROR;
const char *native_path = (*env)->GetStringUTFChars(env, path_in, 0);
fin = fopen(native_path, "rb");
(*env)->ReleaseStringUTFChars(env, path_in, native_path);
if(NULL == fin)
return SPEEX_ERROR;
native_path = (*env)->GetStringUTFChars(env, path_out, 0);
fout = fopen(native_path, "w+b");
(*env)->ReleaseStringUTFChars(env, path_out, native_path);
if(NULL == fout) {
fclose(fin);
return SPEEX_ERROR;
}
if(NULL == (st = speex_resampler_init(channels, sample_rate_in, sample_rate_out, SPEEX_RESAMPLER_QUALITY_DEFAULT, NULL)))
return SPEEX_ERROR;
in_size_in_sample = ((sample_rate_in * TIMEDURATION) / 1000) << (channels == 2 ? 1 : 0);
in_size = in_size_in_sample * sizeof(short);
out_size_in_sample = ((sample_rate_out * TIMEDURATION) / 1000) << (channels == 2 ? 1 : 0);
out_size = out_size_in_sample * sizeof(short);
in = malloc(in_size * sizeof(short));
out = malloc(out_size * sizeof(short));
uint32_t rd_len;
int end_of_file = 0;
int ret = SPEEX_SUCCESS;
while (!end_of_file)
{
rd_len = fread(in, sizeof(short), in_size_in_sample, fin);
if (rd_len < in_size_in_sample)
{
if(!feof(fin)) {
ret = SPEEX_ERROR;
break;
}
// the end of the file is reached
else
end_of_file = 1;
}
if(RESAMPLER_ERR_SUCCESS != speex_resampler_process_int(st, 0, in, &in_size_in_sample, out, &out_size_in_sample)) {
ret = SPEEX_ERROR;
break;
}
fwrite(out, sizeof(short), out_size_in_sample, fout);
}
speex_resampler_destroy(st);
free(in);
free(out);
fclose(fin);
fclose(fout);
return ret;
}
// outputs a number of frames less or equal to *outFrameCount and updates *outFrameCount
// with the actual number of frames produced.
int resampler_resample_from_provider(struct resampler_itfe *resampler,
int16_t *out,
size_t *outFrameCount)
{
struct resampler *rsmp = (struct resampler *)resampler;
if (rsmp == NULL || out == NULL || outFrameCount == NULL) {
return -EINVAL;
}
if (rsmp->provider == NULL) {
*outFrameCount = 0;
return -ENOSYS;
}
size_t framesRq = *outFrameCount;
// update and cache the number of frames needed at the input sampling rate to produce
// the number of frames requested at the output sampling rate
if (framesRq != rsmp->frames_rq) {
rsmp->frames_needed = (framesRq * rsmp->in_sample_rate) / rsmp->out_sample_rate + 1;
rsmp->frames_rq = framesRq;
}
size_t framesWr = 0;
spx_uint32_t inFrames = 0;
while (framesWr < framesRq) {
if (rsmp->frames_in < rsmp->frames_needed) {
// make sure that the number of frames present in rsmp->in_buf (rsmp->frames_in) is at
// least the number of frames needed to produce the number of frames requested at
// the output sampling rate
if (rsmp->in_buf_size < rsmp->frames_needed) {
rsmp->in_buf_size = rsmp->frames_needed;
rsmp->in_buf = (int16_t *)realloc(rsmp->in_buf,
rsmp->in_buf_size * rsmp->channel_count * sizeof(int16_t));
}
struct resampler_buffer buf;
buf.frame_count = rsmp->frames_needed - rsmp->frames_in;
rsmp->provider->get_next_buffer(rsmp->provider, &buf);
if (buf.raw == NULL) {
break;
}
memcpy(rsmp->in_buf + rsmp->frames_in * rsmp->channel_count,
buf.raw,
buf.frame_count * rsmp->channel_count * sizeof(int16_t));
rsmp->frames_in += buf.frame_count;
rsmp->provider->release_buffer(rsmp->provider, &buf);
}
spx_uint32_t outFrames = framesRq - framesWr;
inFrames = rsmp->frames_in;
if (rsmp->channel_count == 1) {
speex_resampler_process_int(rsmp->speex_resampler,
0,
rsmp->in_buf,
&inFrames,
out + framesWr,
&outFrames);
} else {
speex_resampler_process_interleaved_int(rsmp->speex_resampler,
rsmp->in_buf,
&inFrames,
out + framesWr * rsmp->channel_count,
&outFrames);
}
framesWr += outFrames;
rsmp->frames_in -= inFrames;
ALOGW_IF((framesWr != framesRq) && (rsmp->frames_in != 0),
"ReSampler::resample() remaining %zu frames in and %zu frames out",
rsmp->frames_in, (framesRq - framesWr));
}
if (rsmp->frames_in) {
memmove(rsmp->in_buf,
rsmp->in_buf + inFrames * rsmp->channel_count,
rsmp->frames_in * rsmp->channel_count * sizeof(int16_t));
}
*outFrameCount = framesWr;
return 0;
}
void RtpAudioStream::decode()
{
if (rtp_packets_.size() < 1) return;
// gtk/rtp_player.c:decode_rtp_stream
// XXX This is more messy than it should be.
gsize resample_buff_len = 0x1000;
SAMPLE *resample_buff = (SAMPLE *) g_malloc(resample_buff_len);
spx_uint32_t cur_in_rate = 0, visual_out_rate = 0;
char *write_buff = NULL;
qint64 write_bytes = 0;
unsigned channels = 0;
unsigned sample_rate = 0;
int last_sequence = 0;
double rtp_time_prev = 0.0;
double arrive_time_prev = 0.0;
double pack_period = 0.0;
double start_time = 0.0;
double start_rtp_time = 0.0;
guint32 start_timestamp = 0;
size_t decoded_bytes_prev = 0;
for (int cur_packet = 0; cur_packet < rtp_packets_.size(); cur_packet++) {
SAMPLE *decode_buff = NULL;
// XXX The GTK+ UI updates a progress bar here.
rtp_packet_t *rtp_packet = rtp_packets_[cur_packet];
stop_rel_time_ = start_rel_time_ + rtp_packet->arrive_offset;
speex_resampler_get_rate(visual_resampler_, &cur_in_rate, &visual_out_rate);
QString payload_name;
if (rtp_packet->info->info_payload_type_str) {
payload_name = rtp_packet->info->info_payload_type_str;
} else {
payload_name = try_val_to_str_ext(rtp_packet->info->info_payload_type, &rtp_payload_type_short_vals_ext);
}
if (!payload_name.isEmpty()) {
payload_names_ << payload_name;
}
if (cur_packet < 1) { // First packet
start_timestamp = rtp_packet->info->info_timestamp;
start_rtp_time = 0;
rtp_time_prev = 0;
last_sequence = rtp_packet->info->info_seq_num - 1;
}
size_t decoded_bytes = decode_rtp_packet(rtp_packet, &decode_buff, decoders_hash_, &channels, &sample_rate);
if (decoded_bytes == 0 || sample_rate == 0) {
// We didn't decode anything. Clean up and prep for the next packet.
last_sequence = rtp_packet->info->info_seq_num;
g_free(decode_buff);
continue;
}
if (audio_out_rate_ == 0) { // First non-zero wins
audio_out_rate_ = sample_rate;
RTP_STREAM_DEBUG("Audio sample rate is %u", audio_out_rate_);
// Prepend silence to match our sibling streams.
tempfile_->seek(0);
int prepend_samples = (start_rel_time_ - global_start_rel_time_) * audio_out_rate_;
if (prepend_samples > 0) {
writeSilence(prepend_samples);
}
}
if (rtp_packet->info->info_seq_num != last_sequence+1) {
out_of_seq_timestamps_.append(stop_rel_time_);
}
last_sequence = rtp_packet->info->info_seq_num;
double rtp_time = (double)(rtp_packet->info->info_timestamp-start_timestamp)/sample_rate - start_rtp_time;
double arrive_time;
if (timing_mode_ == RtpTimestamp) {
arrive_time = rtp_time;
} else {
arrive_time = rtp_packet->arrive_offset - start_time;
}
double diff = qAbs(arrive_time - rtp_time);
if (diff*1000 > jitter_buffer_size_ && timing_mode_ != Uninterrupted) {
// rtp_player.c:628
jitter_drop_timestamps_.append(stop_rel_time_);
RTP_STREAM_DEBUG("Packet drop by jitter buffer exceeded %f > %d", diff*1000, jitter_buffer_size_);
/* if there was a silence period (more than two packetization period) resync the source */
if ((rtp_time - rtp_time_prev) > pack_period*2) {
int silence_samples;
RTP_STREAM_DEBUG("Resync...");
silence_samples = (int)((arrive_time - arrive_time_prev)*sample_rate - decoded_bytes_prev / sample_bytes_);
/* Fix for bug 4119/5902: don't insert too many silence frames.
* XXX - is there a better thing to do here?
*/
silence_samples = qMin(silence_samples, max_silence_samples_);
writeSilence(silence_samples);
silence_timestamps_.append(stop_rel_time_);
decoded_bytes_prev = 0;
/* defined start_timestmp to avoid overflow in timestamp. TODO: handle the timestamp correctly */
/* XXX: if timestamps (RTP) are missing/ignored try use packet arrive time only (see also "rtp_time") */
start_timestamp = rtp_packet->info->info_timestamp;
start_rtp_time = 0;
start_time = rtp_packet->arrive_offset;
rtp_time_prev = 0;
}
} else {
// rtp_player.c:664
/* Add silence if it is necessary */
int silence_samples;
if (timing_mode_ == Uninterrupted) {
silence_samples = 0;
} else {
silence_samples = (int)((rtp_time - rtp_time_prev)*sample_rate - decoded_bytes_prev / sample_bytes_);
}
if (silence_samples != 0) {
wrong_timestamp_timestamps_.append(stop_rel_time_);
}
if (silence_samples > 0) {
/* Fix for bug 4119/5902: don't insert too many silence frames.
* XXX - is there a better thing to do here?
*/
silence_samples = qMin(silence_samples, max_silence_samples_);
writeSilence(silence_samples);
silence_timestamps_.append(stop_rel_time_);
}
// XXX rtp_player.c:696 adds audio here.
rtp_time_prev = rtp_time;
pack_period = (double) decoded_bytes / sample_bytes_ / sample_rate;
decoded_bytes_prev = decoded_bytes;
arrive_time_prev = arrive_time;
}
// Write samples to our file.
write_buff = (char *) decode_buff;
write_bytes = decoded_bytes;
if (audio_out_rate_ != sample_rate) {
// Resample the audio to match our previous output rate.
if (!audio_resampler_) {
audio_resampler_ = speex_resampler_init(1, sample_rate, audio_out_rate_, 10, NULL);
speex_resampler_skip_zeros(audio_resampler_);
RTP_STREAM_DEBUG("Started resampling from %u to (out) %u Hz.", sample_rate, audio_out_rate_);
} else {
spx_uint32_t audio_out_rate;
speex_resampler_get_rate(audio_resampler_, &cur_in_rate, &audio_out_rate);
// Adjust rates if needed.
if (sample_rate != cur_in_rate) {
speex_resampler_set_rate(audio_resampler_, sample_rate, audio_out_rate);
speex_resampler_set_rate(visual_resampler_, sample_rate, visual_out_rate);
RTP_STREAM_DEBUG("Changed input rate from %u to %u Hz. Out is %u.", cur_in_rate, sample_rate, audio_out_rate_);
}
}
spx_uint32_t in_len = (spx_uint32_t)rtp_packet->info->info_payload_len;
spx_uint32_t out_len = (audio_out_rate_ * (spx_uint32_t)rtp_packet->info->info_payload_len / sample_rate) + (audio_out_rate_ % sample_rate != 0);
if (out_len * sample_bytes_ > resample_buff_len) {
while ((out_len * sample_bytes_ > resample_buff_len))
resample_buff_len *= 2;
resample_buff = (SAMPLE *) g_realloc(resample_buff, resample_buff_len);
}
speex_resampler_process_int(audio_resampler_, 0, decode_buff, &in_len, resample_buff, &out_len);
write_buff = (char *) decode_buff;
write_bytes = out_len * sample_bytes_;
}
// Write the decoded, possibly-resampled audio to our temp file.
tempfile_->write(write_buff, write_bytes);
// Collect our visual samples.
spx_uint32_t in_len = (spx_uint32_t)rtp_packet->info->info_payload_len;
spx_uint32_t out_len = (visual_out_rate * in_len / sample_rate) + (visual_out_rate % sample_rate != 0);
if (out_len * sample_bytes_ > resample_buff_len) {
while ((out_len * sample_bytes_ > resample_buff_len))
resample_buff_len *= 2;
resample_buff = (SAMPLE *) g_realloc(resample_buff, resample_buff_len);
}
speex_resampler_process_int(visual_resampler_, 0, decode_buff, &in_len, resample_buff, &out_len);
for (unsigned i = 0; i < out_len; i++) {
packet_timestamps_[stop_rel_time_ + (double) i / visual_out_rate] = rtp_packet->frame_num;
if (qAbs(resample_buff[i]) > max_sample_val_) max_sample_val_ = qAbs(resample_buff[i]);
visual_samples_.append(resample_buff[i]);
}
// Finally, write the resampled audio to our temp file and clean up.
g_free(decode_buff);
}
g_free(resample_buff);
}
boost::uint8_t*
AudioDecoderSpeex::decode(const EncodedAudioFrame& input,
boost::uint32_t& outputSize)
{
speex_bits_read_from(&_speex_bits, reinterpret_cast<char*>(input.data.get()),
input.dataSize);
std::vector<DecodedFrame*> decoded_frames;
boost::uint32_t total_size = 0;
while (speex_bits_remaining(&_speex_bits)) {
boost::scoped_array<short> output( new short[_speex_framesize] );
int rv = speex_decode_int(_speex_dec_state, &_speex_bits, output.get());
if (rv != 0) {
if (rv != -1) {
log_error(_("Corrupt Speex stream!"));
}
break;
}
boost::int16_t* conv_data = 0;
#ifdef RESAMPLING_SPEEX
spx_uint32_t conv_size = 0;
conv_data = new boost::int16_t[_target_frame_size];
memset(conv_data, 0, _target_frame_size * 2);
spx_uint32_t in_size = _speex_framesize;
// Our input format is mono and we want to expand to stereo. Speex
// won't do this for us, but we can ask it to skip a sample after
// writing one, so all we have to do is duplicate the samples.
speex_resampler_set_output_stride(_resampler, 2);
conv_size = _target_frame_size; // Assuming this hould be samples.
int err = speex_resampler_process_int(_resampler, 0 /* mono */, output.get(), &in_size, conv_data, &conv_size);
if (err != RESAMPLER_ERR_SUCCESS) {
log_error(_("Failed to resample Speex frame."));
delete [] conv_data;
continue;
}
// The returned size is the number of *mono* samples returned.
conv_size *= 2;
// Now, duplicate all the samples so we get a stereo sound.
for (boost::uint32_t i = 0; i < conv_size; i += 2) {
conv_data[i+1] = conv_data[i];
}
// Our interface requires returning the audio size in bytes.
conv_size *= sizeof(boost::int16_t);
#else
int outsize = 0;
AudioResampler::convert_raw_data(&conv_data, &outsize, output.get(),
_speex_framesize /* sample count*/, 2 /* sample size */,
16000, false /* stereo */, 44100 /* new rate */,
true /* convert to stereo */);
boost::uint32_t conv_size = outsize;
#endif
total_size += conv_size;
decoded_frames.push_back(new DecodedFrame(conv_data, conv_size));
}
outputSize = total_size;
// We have to jump through hoops because decode() requires as much
// data to be returned as possible.
boost::uint8_t* rv = new boost::uint8_t[total_size];
boost::uint8_t* ptr = rv;
for (std::vector<DecodedFrame*>::iterator it = decoded_frames.begin(),
end = decoded_frames.end(); it != end; ++it) {
DecodedFrame* frame = *it;
memcpy(ptr, frame->data.get(), frame->size);
ptr += frame->size;
delete frame;
}
outputSize = total_size;
return rv;
}
int main(int argc, char **argv) {
CALLGRIND_STOP_INSTRUMENTATION;
CALLGRIND_ZERO_STATS;
QCoreApplication a(argc, argv);
QFile f((argc >= 2) ? argv[1] : "wb_male.wav");
if (! f.open(QIODevice::ReadOnly)) {
qFatal("Failed to open file!");
}
f.seek(36 + 8);
QFile o("output.raw");
if (!(RUNNING_ON_VALGRIND))
if (! o.open(QIODevice::WriteOnly))
qFatal("Failed to open output!");
QFile vf((argc >= 3) ? argv[2] : "verify.raw");
if (! vf.open(QIODevice::ReadOnly)) {
qWarning("Failed to open validate file!");
}
QDataStream out(&o);
QDataStream verify(&vf);
const int iFrameSize = 320;
QVector<QByteArray> v;
while (1) {
QByteArray qba = f.read(iFrameSize * 2);
if (qba.size() != iFrameSize * 2)
break;
v.append(qba);
}
int nframes = v.size();
qWarning("Ready to process %d frames of %d samples", nframes, iFrameSize);
QVector<short *> qvInShort;
QVector<float *> qvIn;
QVector<float *> qvDirect;
QVector<float *> qvInterpolate;
QVector<float *> qvInterpolateMC;
QVector<short *> qvInterpolateShort;
QVector<float *> qv8;
QVector<float *> qv96;
const float sfraq1 = tfreq1 / 16000.0f;
float fOutSize1 = iFrameSize * sfraq1;
int iOutSize1 = lroundf(fOutSize1);
const float sfraq2 = tfreq2 / 16000.0f;
float fOutSize2 = iFrameSize * sfraq2;
int iOutSize2 = lroundf(fOutSize2);
int iOutSize8 = iFrameSize / 2;
int iOutSize96 = iFrameSize * 6;
if (RUNNING_ON_VALGRIND)
nframes = qMin(nframes, 10);
QVector<float> fInput(nframes * iFrameSize);
QVector<float> fDirect(nframes * iOutSize1);
QVector<float> fInterpolate(nframes * iOutSize2);
QVector<float> fInterpolateMC(nframes * iOutSize2);
QVector<short> sInterpolate(nframes * iOutSize2);
QVector<float> f96(nframes * iOutSize96);
QVector<float> f8(nframes *iOutSize8);
for (int i=0;i<nframes;i++) {
short *s = reinterpret_cast<short *>(v[i].data());
float *f = fInput.data() + i * iFrameSize;
for (int j=0;j<iFrameSize;j++)
f[j]=s[j]+20;
qvInShort.append(s);
qvIn.append(f);
qvDirect.append(fDirect.data() + i * iOutSize1);
qvInterpolate.append(fInterpolate.data() + i * iOutSize2);
qvInterpolateMC.append(fInterpolateMC.data() + i * iOutSize2);
qvInterpolateShort.append(sInterpolate.data() + i * iOutSize2);
qv8.append(f8.data() + i * iOutSize8);
qv96.append(f96.data() + i * iOutSize96);
}
int err;
SpeexResamplerState *srs1 = speex_resampler_init(1, 16000, lroundf(tfreq1), qual, &err);
SpeexResamplerState *srs2 = speex_resampler_init(1, 16000, lroundf(tfreq2), qual, &err);
SpeexResamplerState *srs2i = speex_resampler_init(1, 16000, lroundf(tfreq2), qual, &err);
SpeexResamplerState *srss = speex_resampler_init(3, 16000, lroundf(tfreq2), qual, &err);
SpeexResamplerState *srsto96 = speex_resampler_init(1, 16000, 96000, 5, &err);
SpeexResamplerState *srs8to96 = speex_resampler_init(1, 8000, 96000, qual, &err);
SpeexResamplerState *srs96to8 = speex_resampler_init(1, 96000, 8000, qual, &err);
#ifdef Q_OS_WIN
if (!SetPriorityClass(GetCurrentProcess(),REALTIME_PRIORITY_CLASS))
qWarning("Application: Failed to set priority!");
#endif
int len;
spx_uint32_t inlen;
spx_uint32_t outlen;
Timer t;
quint64 e;
if (! RUNNING_ON_VALGRIND) {
#ifndef Q_OS_WIN
struct sched_param sp;
sp.sched_priority = sched_get_priority_max(SCHED_FIFO);
cpu_set_t cpuset;
CPU_ZERO(&cpuset);
CPU_SET(1, &cpuset);
if (sched_setscheduler(getpid(), SCHED_FIFO, &sp) != 0)
qWarning("No realtime.");
if (mlockall(MCL_CURRENT | MCL_FUTURE) != 0)
qWarning("No mlock.");
if (sched_setaffinity(0, sizeof(cpuset), &cpuset) != 0)
qWarning("No affinity");
sched_yield();
#endif
for (int i=0;i<nframes;++i) {
inlen = iFrameSize;
outlen = iOutSize96;
speex_resampler_process_float(srsto96, 0, qvIn[i], &inlen, qv96[i], &outlen);
}
QVector<unsigned long long> qvTimes;
QPair<unsigned long long, unsigned long long> ci;
for (int j=0;j<loops;j++) {
t.restart();
for (int i=0;i<nframes;i++) {
inlen = iFrameSize;
outlen = iOutSize1;
speex_resampler_process_float(srs1, 0, qvIn[i], &inlen, qvDirect[i], &outlen);
}
e = t.elapsed();
qvTimes.append(e);
}
ci = confint(qvTimes);
qWarning("Direct: %8llu +/- %3llu usec (%d)", ci.first, ci.second, qvTimes.count(), qvTimes.count());
qvTimes.clear();
for (int j=0;j<loops;j++) {
t.restart();
for (int i=0;i<nframes;i++) {
inlen = iFrameSize;
outlen = iOutSize2;
speex_resampler_process_float(srs2, 0, qvIn[i], &inlen, qvInterpolate[i], &outlen);
}
e = t.elapsed();
qvTimes.append(e);
}
ci = confint(qvTimes);
qWarning("Interpolate: %8llu +/- %3llu usec (%d)", ci.first, ci.second, qvTimes.count());
qvTimes.clear();
for (int j=0;j<loops;j++) {
t.restart();
for (int i=0;i<nframes;i++) {
inlen = iOutSize96;
outlen = iOutSize8;
speex_resampler_process_float(srs96to8, 0, qv96[i], &inlen, qv8[i], &outlen);
}
e = t.elapsed();
qvTimes.append(e);
}
ci = confint(qvTimes);
qWarning("96 => 8: %8llu +/- %3llu usec (%d)", ci.first, ci.second, qvTimes.count());
qvTimes.clear();
t.restart();
for (int j=0;j<loops;j++) {
t.restart();
for (int i=0;i<nframes;i++) {
inlen = iOutSize8;
outlen = iOutSize96;
speex_resampler_process_float(srs8to96, 0, qv8[i], &inlen, qv96[i], &outlen);
}
e = t.elapsed();
qvTimes.append(e);
}
ci = confint(qvTimes);
qWarning("8 => 96: %8llu +/- %3llu usec (%d)", ci.first, ci.second, qvTimes.count());
speex_resampler_reset_mem(srs1);
speex_resampler_reset_mem(srs2);
}
t.restart();
CALLGRIND_START_INSTRUMENTATION;
for (int i=0;i<nframes;i++) {
inlen = iFrameSize;
outlen = iOutSize1;
speex_resampler_process_float(srs1, 0, qvIn[i], &inlen, qvDirect[i], &outlen);
inlen = iFrameSize;
outlen = iOutSize2;
speex_resampler_process_float(srs2, 0, qvIn[i], &inlen, qvInterpolate[i], &outlen);
inlen = iFrameSize;
outlen = iOutSize2;
speex_resampler_process_int(srs2i, 0, qvInShort[i], &inlen, qvInterpolateShort[i], &outlen);
inlen = iFrameSize / 4;
outlen = iOutSize2 / 4;
speex_resampler_process_interleaved_float(srss, qvIn[i], &inlen, qvInterpolateMC[i], &outlen);
}
e = t.elapsed();
#ifdef Q_OS_WIN
if (!SetPriorityClass(GetCurrentProcess(),NORMAL_PRIORITY_CLASS))
qWarning("Application: Failed to reset priority!");
#endif
const int freq[10] = { 22050, 32000, 11025, 16000, 48000, 41000, 8000, 96000, 11025, 1600 };
QVector<float> fMagic;
for (int f=0;f<10;f++) {
float fbuff[32767];
speex_resampler_set_rate(srs1, 16000, freq[f]);
for (int q = 0;q < 10;q++) {
speex_resampler_set_quality(srs1, (3*q) % 7);
inlen = iFrameSize;
outlen = 32767;
speex_resampler_process_float(srs1, 0, qvIn[(f*10+q) % nframes], &inlen, fbuff, &outlen);
for (int j=0;j<outlen;j++)
fMagic.append(fbuff[j]);
}
inlen = iFrameSize;
outlen = 32767;
speex_resampler_process_float(srs1, 0, NULL, &inlen, fbuff, &outlen);
for (int j=0;j<outlen;j++)
fMagic.append(fbuff[j]);
}
// Cropped magic test
for (int f=0;f<10;f++) {
float fbuff[32767];
speex_resampler_set_rate(srs1, 16000, freq[f]);
for (int q = 0;q < 10;q++) {
speex_resampler_set_quality(srs1, (3*q) % 7);
inlen = iFrameSize;
outlen = 16;
speex_resampler_process_float(srs1, 0, qvIn[(f*10+q) % nframes], &inlen, fbuff, &outlen);
for (int j=0;j<outlen;j++)
fMagic.append(fbuff[j]);
}
inlen = iFrameSize;
outlen = 32767;
speex_resampler_process_float(srs1, 0, NULL, &inlen, fbuff, &outlen);
for (int j=0;j<outlen;j++)
fMagic.append(fbuff[j]);
}
CALLGRIND_STOP_INSTRUMENTATION;
qWarning("Used %llu usec", e);
qWarning("%.2f times realtime", (20000ULL * nframes) / (e * 1.0));
if (! RUNNING_ON_VALGRIND) {
QVector<float> vDirect;
QVector<float> vInterpolate;
QVector<short> vsInterpolate;
QVector<float> vMagic;
QVector<float> vInterpolateMC;
out << fDirect << fInterpolate << sInterpolate << fMagic << fInterpolateMC;
if (vf.isOpen()) {
verify >> vDirect >> vInterpolate >> vsInterpolate >> vMagic >> vInterpolateMC;
double rmsd = veccomp(vDirect, fDirect, "SRS1");
double rmsi = veccomp(vInterpolate, fInterpolate, "SRS2");
veccomp(vsInterpolate, sInterpolate, "SRS2i");
veccomp(vMagic, fMagic, "Magic");
veccomp(vInterpolateMC, fInterpolateMC, "MC");
qWarning("Direct: %g", rmsd);
qWarning("Interp: %g", rmsi);
} else {
void
MediaDecodeTask::Decode()
{
MOZ_ASSERT(!mThreadPool == NS_IsMainThread(),
"We should be on the main thread only if we don't have a thread pool");
mBufferDecoder->BeginDecoding(NS_GetCurrentThread());
// Tell the decoder reader that we are not going to play the data directly,
// and that we should not reject files with more channels than the audio
// bakend support.
mDecoderReader->SetIgnoreAudioOutputFormat();
mDecoderReader->OnDecodeThreadStart();
VideoInfo videoInfo;
nsAutoPtr<MetadataTags> tags;
nsresult rv = mDecoderReader->ReadMetadata(&videoInfo, getter_Transfers(tags));
if (NS_FAILED(rv)) {
ReportFailureOnMainThread(WebAudioDecodeJob::InvalidContent);
return;
}
if (!mDecoderReader->HasAudio()) {
ReportFailureOnMainThread(WebAudioDecodeJob::NoAudio);
return;
}
while (mDecoderReader->DecodeAudioData()) {
// consume all of the buffer
continue;
}
mDecoderReader->OnDecodeThreadFinish();
MediaQueue<AudioData>& audioQueue = mDecoderReader->AudioQueue();
uint32_t frameCount = audioQueue.FrameCount();
uint32_t channelCount = videoInfo.mAudioChannels;
uint32_t sampleRate = videoInfo.mAudioRate;
if (!frameCount || !channelCount || !sampleRate) {
ReportFailureOnMainThread(WebAudioDecodeJob::InvalidContent);
return;
}
const uint32_t destSampleRate = mDecodeJob.mContext->SampleRate();
AutoResampler resampler;
uint32_t resampledFrames = frameCount;
if (sampleRate != destSampleRate) {
resampledFrames = static_cast<uint32_t>(
static_cast<uint64_t>(destSampleRate) *
static_cast<uint64_t>(frameCount) /
static_cast<uint64_t>(sampleRate)
);
resampler = speex_resampler_init(channelCount,
sampleRate,
destSampleRate,
SPEEX_RESAMPLER_QUALITY_DEFAULT, nullptr);
speex_resampler_skip_zeros(resampler);
resampledFrames += speex_resampler_get_output_latency(resampler);
}
// Allocate the channel buffers. Note that if we end up resampling, we may
// write fewer bytes than mResampledFrames to the output buffer, in which
// case mWriteIndex will tell us how many valid samples we have.
static const fallible_t fallible = fallible_t();
bool memoryAllocationSuccess = true;
if (!mDecodeJob.mChannelBuffers.SetLength(channelCount)) {
memoryAllocationSuccess = false;
} else {
for (uint32_t i = 0; i < channelCount; ++i) {
mDecodeJob.mChannelBuffers[i] = new(fallible) float[resampledFrames];
if (!mDecodeJob.mChannelBuffers[i]) {
memoryAllocationSuccess = false;
break;
}
}
}
if (!memoryAllocationSuccess) {
ReportFailureOnMainThread(WebAudioDecodeJob::UnknownError);
return;
}
nsAutoPtr<AudioData> audioData;
while ((audioData = audioQueue.PopFront())) {
audioData->EnsureAudioBuffer(); // could lead to a copy :(
AudioDataValue* bufferData = static_cast<AudioDataValue*>
(audioData->mAudioBuffer->Data());
if (sampleRate != destSampleRate) {
const uint32_t expectedOutSamples = static_cast<uint32_t>(
static_cast<uint64_t>(destSampleRate) *
static_cast<uint64_t>(audioData->mFrames) /
static_cast<uint64_t>(sampleRate)
);
#ifdef MOZ_SAMPLE_TYPE_S16
AudioDataValue* resampledBuffer = new(fallible) AudioDataValue[channelCount * expectedOutSamples];
#endif
for (uint32_t i = 0; i < audioData->mChannels; ++i) {
uint32_t inSamples = audioData->mFrames;
uint32_t outSamples = expectedOutSamples;
#ifdef MOZ_SAMPLE_TYPE_S16
speex_resampler_process_int(resampler, i, &bufferData[i * audioData->mFrames], &inSamples,
&resampledBuffer[i * expectedOutSamples],
&outSamples);
ConvertAudioSamples(&resampledBuffer[i * expectedOutSamples],
mDecodeJob.mChannelBuffers[i] + mDecodeJob.mWriteIndex,
outSamples);
#else
speex_resampler_process_float(resampler, i, &bufferData[i * audioData->mFrames], &inSamples,
mDecodeJob.mChannelBuffers[i] + mDecodeJob.mWriteIndex,
&outSamples);
#endif
if (i == audioData->mChannels - 1) {
mDecodeJob.mWriteIndex += outSamples;
MOZ_ASSERT(mDecodeJob.mWriteIndex <= resampledFrames);
}
}
#ifdef MOZ_SAMPLE_TYPE_S16
delete[] resampledBuffer;
#endif
} else {
for (uint32_t i = 0; i < audioData->mChannels; ++i) {
ConvertAudioSamples(&bufferData[i * audioData->mFrames],
mDecodeJob.mChannelBuffers[i] + mDecodeJob.mWriteIndex,
audioData->mFrames);
if (i == audioData->mChannels - 1) {
mDecodeJob.mWriteIndex += audioData->mFrames;
}
}
}
}
if (sampleRate != destSampleRate) {
int inputLatency = speex_resampler_get_input_latency(resampler);
int outputLatency = speex_resampler_get_output_latency(resampler);
AudioDataValue* zero = (AudioDataValue*)calloc(inputLatency, sizeof(AudioDataValue));
#ifdef MOZ_SAMPLE_TYPE_S16
AudioDataValue* resampledBuffer = new(fallible) AudioDataValue[channelCount * outputLatency];
if (!resampledBuffer || !zero) {
#else
if (!zero) {
#endif
// Out of memory!
ReportFailureOnMainThread(WebAudioDecodeJob::UnknownError);
return;
}
for (uint32_t i = 0; i < channelCount; ++i) {
uint32_t inSamples = inputLatency;
uint32_t outSamples = outputLatency;
#ifdef MOZ_SAMPLE_TYPE_S16
speex_resampler_process_int(resampler, i, zero, &inSamples,
&resampledBuffer[i * outputLatency],
&outSamples);
ConvertAudioSamples(&resampledBuffer[i * outputLatency],
mDecodeJob.mChannelBuffers[i] + mDecodeJob.mWriteIndex,
outSamples);
#else
speex_resampler_process_float(resampler, i, zero, &inSamples,
mDecodeJob.mChannelBuffers[i] + mDecodeJob.mWriteIndex,
&outSamples);
#endif
if (i == channelCount - 1) {
mDecodeJob.mWriteIndex += outSamples;
MOZ_ASSERT(mDecodeJob.mWriteIndex <= resampledFrames);
}
}
free(zero);
#ifdef MOZ_SAMPLE_TYPE_S16
delete[] resampledBuffer;
#endif
}
mPhase = PhaseEnum::AllocateBuffer;
RunNextPhase();
}
void
MediaDecodeTask::AllocateBuffer()
{
MOZ_ASSERT(NS_IsMainThread());
if (!mDecodeJob.AllocateBuffer()) {
ReportFailureOnMainThread(WebAudioDecodeJob::UnknownError);
return;
}
mPhase = PhaseEnum::Done;
CallbackTheResult();
}
/*
* sample_rate resample.
* @param resampler resampler object.
* @param prev_frame reuse frame.
* @param src_pcms16 source pcms16 data.
* @return resampled pcms16 data.
*/
ttLibC_PcmS16 *ttLibC_SpeexdspResampler_resample(ttLibC_SpeexdspResampler *resampler, ttLibC_PcmS16 *prev_frame, ttLibC_PcmS16 *src_pcms16) {
ttLibC_SpeexdspResampler_ *resampler_ = (ttLibC_SpeexdspResampler_ *)resampler;
if(resampler_ == NULL) {
return NULL;
}
if(src_pcms16 == NULL) {
return NULL;
}
switch(src_pcms16->type) {
case PcmS16Type_bigEndian:
case PcmS16Type_bigEndian_planar:
resampler_->inherit_super.error = ttLibC_updateError(Target_On_Resampler, Error_InvalidOperation);
return NULL;
default:
return NULL;
case PcmS16Type_littleEndian:
case PcmS16Type_littleEndian_planar:
break;
}
ttLibC_PcmS16 *pcms16 = prev_frame;
uint32_t out_sample_num = (src_pcms16->inherit_super.sample_num
* resampler_->inherit_super.output_sample_rate
/ resampler_->inherit_super.input_sample_rate + 1);
uint32_t in_sample_num = src_pcms16->inherit_super.sample_num;
// estimate result data size.
size_t data_size = out_sample_num * sizeof(int16_t) * resampler_->inherit_super.channel_num;
uint8_t *data = NULL;
bool alloc_flag = false;
if(pcms16 != NULL) {
if(!pcms16->inherit_super.inherit_super.is_non_copy) {
if(pcms16->inherit_super.inherit_super.data_size >= data_size) {
// reuse frame have enough buffer.
data = pcms16->inherit_super.inherit_super.data;
data_size = pcms16->inherit_super.inherit_super.data_size;
}
else {
ttLibC_free(pcms16->inherit_super.inherit_super.data);
}
}
pcms16->inherit_super.inherit_super.is_non_copy = true;
}
if(data == NULL) {
data = ttLibC_malloc(data_size);
if(data == NULL) {
resampler_->inherit_super.error = ttLibC_updateError(Target_On_Resampler, Error_MemoryAllocate);
return NULL;
}
alloc_flag = true;
}
int res;
switch(src_pcms16->type) {
default:
ERR_PRINT("no way to be here..");
if(alloc_flag) {
ttLibC_free(data);
}
return NULL;
case PcmS16Type_littleEndian:
res = speex_resampler_process_interleaved_int(resampler_->resampler, (const int16_t *)src_pcms16->l_data, &in_sample_num, (int16_t *)data, &out_sample_num);
break;
case PcmS16Type_littleEndian_planar:
res = speex_resampler_process_int(resampler_->resampler, resampler_->inherit_super.channel_num, (const int16_t *)src_pcms16->l_data, &in_sample_num, (int16_t *)data, &out_sample_num);
break;
}
if(res != 0) {
ERR_PRINT("failed to resampler: %s", speex_resampler_strerror(res));
if(alloc_flag) {
ttLibC_free(data);
}
resampler_->inherit_super.error = ttLibC_updateError(Target_On_Resampler, Error_LibraryError);
return NULL;
}
uint64_t pts = src_pcms16->inherit_super.inherit_super.pts * resampler_->inherit_super.output_sample_rate / resampler_->inherit_super.input_sample_rate;
uint8_t *l_data = NULL;
uint32_t l_stride = 0;
uint8_t *r_data = NULL;
uint32_t r_stride = 0;
switch(src_pcms16->type) {
case PcmS16Type_bigEndian:
case PcmS16Type_littleEndian:
l_data = data;
l_stride = out_sample_num * 2 * resampler_->inherit_super.channel_num;
break;
case PcmS16Type_bigEndian_planar:
case PcmS16Type_littleEndian_planar:
l_data = data;
l_stride = out_sample_num * 2;
if(resampler_->inherit_super.channel_num == 2) {
r_data = data + l_stride;
r_stride = l_stride;
}
break;
}
pcms16 = ttLibC_PcmS16_make(
pcms16,
src_pcms16->type,
resampler_->inherit_super.output_sample_rate,
out_sample_num,
resampler_->inherit_super.channel_num,
data,
data_size,
l_data,
l_stride,
r_data,
r_stride,
true,
pts,
resampler_->inherit_super.output_sample_rate);
if(pcms16 == NULL) {
if(alloc_flag) {
ttLibC_free(data);
}
resampler_->inherit_super.error = ttLibC_updateError(Target_On_Resampler, Error_MemoryAllocate);
return NULL;
}
pcms16->inherit_super.inherit_super.is_non_copy = false;
pcms16->inherit_super.inherit_super.buffer_size = pcms16->inherit_super.sample_num * pcms16->inherit_super.channel_num * sizeof(int16_t);
return pcms16;
}
int COggVorbisFileHelper::decode()
{
#if defined(HAVE_PTHREAD)
pthread_mutex_lock(&mutex1);
#endif
int cb_len = sizeof(convbuffer) -rcb_len-16;
char* p = convbuffer + 16; //pre buffer
memcpy(p,remaing_convbuffer,rcb_len);
p = p+rcb_len;
long ret=ov_read_func(&vf,p,cb_len,0,2,1,¤t_section);
#if defined(HAVE_PTHREAD)
pthread_mutex_unlock(&mutex1);
#endif
if (ret == 0)
{
/* EOF */
return EOF;
}
else if (ret < 0)
{
if(ret==OV_EBADLINK)
{
m_strLastError = "Corrupt bitstream section! Exiting.";
s3eDebugTracePrintf("%s\n",m_strLastError.c_str());
return ERR;
}
}
else
{
if(bStopDecoding) return EOS;
int nr_samples = (ret + rcb_len)/sizeof(ogg_int16_t);
if(!bEnableResampling) //store samples in the circular buffer
{
for(int k=0;k<nr_samples;k++)
{
//ogg_int16_t val = *(ogg_int16_t*)(convbuffer+k*sizeof(ogg_int16_t));
if(bStopDecoding) return EOS;
if(nStatus == OH_BUFFERING)
{
if(mDecBuffer->GetBusy() >= mDecBuffer->GetCapacity() * m_dBufferingMaxCapacity || k == nr_samples - 1)
{
s3eDebugTracePrintf("buffering complete. Playing now..\n");
nStatus = OH_PLAYING;
Wait_counter(0);
}
}
while(!mDecBuffer->Enqueue(*(ogg_int16_t*)(convbuffer+k*sizeof(ogg_int16_t))))
{
s3eDeviceYieldUntilEvent(10);
if(bStopDecoding) return EOS;/*fprintf(stderr,"Buffer full\n")*/;
if(nStatus == OH_BUFFERING)
{
s3eDebugTracePrintf("buffering complete. Playing now..\n");
nStatus = OH_PLAYING;
Wait_counter(0);
}
return BFF;
}
}
return EOK;
}
if (get_nChannels() == 2) nr_samples /= 2;
for(int k=0;k<nr_samples;k++)
{
if (get_nChannels() == 2)
{
m_tmpbufL[k] = *(ogg_int16_t*)(convbuffer+k*2*sizeof(ogg_int16_t));
m_tmpbufR[k] = *(ogg_int16_t*)(convbuffer+(k*2+1)*sizeof(ogg_int16_t));
}
else
{
m_tmpbufL[k] = *(ogg_int16_t*)(convbuffer+k*sizeof(ogg_int16_t));
}
}
unsigned int inlengthL = nr_samples;
unsigned int inlengthR = nr_samples;
unsigned int inused = 0; // output
unsigned int outputL,outputR;
outputL= m_outbufsizeL;
outputR= m_outbufsizeR;
if (get_nChannels() == 2) // stereo input
{
speex_resampler_process_int(res_contL,0,m_tmpbufL,&inlengthL,m_outL,&outputL);
speex_resampler_process_int(res_contR,0,m_tmpbufR,&inlengthR,m_outR,&outputR);
if(outputL != outputR)
{
s3eDebugTracePrintf("Left and Right channels out of sync\n");
}
if(inlengthL != inlengthR)
{
s3eDebugTracePrintf("Left and Right channels out of sync\n");
}
inused = inlengthL*2;
}
else
{
speex_resampler_process_interleaved_int(res_contL,m_tmpbufL,&inlengthL,m_outL,&outputL);
inused = inlengthL;
}
p = convbuffer + inused * sizeof(ogg_int16_t);
rcb_len = ret- inused*sizeof(ogg_int16_t);
memcpy(remaing_convbuffer,p,rcb_len);
for(unsigned int k = 0;k< outputL;k++)
{
if(bStopDecoding) return EOS;
if(k%50 == 0) s3eDeviceYield(1);
if(nStatus == OH_BUFFERING)
{
if(mDecBuffer->GetBusy() >= mDecBuffer->GetCapacity() * m_dBufferingMaxCapacity || k == nr_samples - 1)
{
s3eDebugTracePrintf("buffering complete. Playing now..\n");
nStatus = OH_PLAYING;
Wait_counter(0);
}
}
while(!mDecBuffer->Enqueue((ogg_int16_t)m_outL[k]))
{
s3eDeviceYieldUntilEvent(10);
if(bStopDecoding) return EOS;/*fprintf(stderr,"Buffer full\n")*/;
if(nStatus == OH_BUFFERING)
{
s3eDebugTracePrintf("buffering complete. Playing now..\n");
nStatus = OH_PLAYING;
Wait_counter(0);
}
return BFF;
}
if(get_nChannels() == 2)
{
while(!mDecBuffer->Enqueue((ogg_int16_t)m_outR[k]))
{
s3eDeviceYieldUntilEvent(10);
if(bStopDecoding) return EOS;/*fprintf(stderr,"Buffer full\n")*/;
if(nStatus == OH_BUFFERING)
{
s3eDebugTracePrintf("buffering complete. Playing now..\n");
nStatus = OH_PLAYING;
Wait_counter(0);
}
return BFF;
}
}
}
}
return EOK;
}
static void resample_process_ms2(MSFilter *obj){
ResampleData *dt=(ResampleData*)obj->data;
mblk_t *im, *om = NULL, *om_chan = NULL;
if (dt->output_rate==dt->input_rate){
while((im=ms_queue_get(obj->inputs[0]))!=NULL){
if (resample_channel_adapt(dt->in_nchannels, dt->out_nchannels, im, &om) == 0) {
ms_queue_put(obj->outputs[0], im);
} else {
ms_queue_put(obj->outputs[0], om);
freemsg(im);
}
}
return;
}
ms_filter_lock(obj);
if (dt->handle!=NULL){
unsigned int inrate=0, outrate=0;
speex_resampler_get_rate(dt->handle,&inrate,&outrate);
if (inrate!=dt->input_rate || outrate!=dt->output_rate){
speex_resampler_destroy(dt->handle);
dt->handle=0;
}
}
if (dt->handle==NULL){
resample_init_speex(dt);
}
while((im=ms_queue_get(obj->inputs[0]))!=NULL){
unsigned int inlen=(im->b_wptr-im->b_rptr)/(2*dt->in_nchannels);
unsigned int outlen=((inlen*dt->output_rate)/dt->input_rate)+1;
unsigned int inlen_orig=inlen;
om=allocb(outlen*2*dt->in_nchannels,0);
mblk_meta_copy(im, om);
if (dt->in_nchannels==1){
speex_resampler_process_int(dt->handle,
0,
(int16_t*)im->b_rptr,
&inlen,
(int16_t*)om->b_wptr,
&outlen);
}else{
speex_resampler_process_interleaved_int(dt->handle,
(int16_t*)im->b_rptr,
&inlen,
(int16_t*)om->b_wptr,
&outlen);
}
if (inlen_orig!=inlen){
ms_error("Bug in resampler ! only %u samples consumed instead of %u, out=%u",
inlen,inlen_orig,outlen);
}
om->b_wptr+=outlen*2*dt->in_nchannels;
mblk_set_timestamp_info(om,dt->ts);
dt->ts+=outlen;
if (resample_channel_adapt(dt->in_nchannels, dt->out_nchannels, om, &om_chan) == 0) {
ms_queue_put(obj->outputs[0], om);
} else {
ms_queue_put(obj->outputs[0], om_chan);
freemsg(om);
}
freemsg(im);
}
ms_filter_unlock(obj);
}
