// Initialization and runtime control
static int control(struct af_instance* af, int cmd, void* arg)
{
af_drc_t* s = (af_drc_t*)af->setup;
switch(cmd){
case AF_CONTROL_REINIT:
// Sanity check
if(!arg) return AF_ERROR;
mp_audio_copy_config(af->data, (struct mp_audio*)arg);
if(((struct mp_audio*)arg)->format != (AF_FORMAT_S16_NE)){
mp_audio_set_format(af->data, AF_FORMAT_FLOAT_NE);
}
return af_test_output(af,(struct mp_audio*)arg);
case AF_CONTROL_COMMAND_LINE:{
int i = 0;
float target = DEFAULT_TARGET;
sscanf((char*)arg,"%d:%f", &i, &target);
if (i != 1 && i != 2)
return AF_ERROR;
s->method = i-1;
s->mid_s16 = ((float)SHRT_MAX) * target;
s->mid_float = target;
return AF_OK;
}
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance* af, int cmd, void* arg)
{
af_extrastereo_t* s = (af_extrastereo_t*)af->setup;
switch(cmd){
case AF_CONTROL_REINIT:{
// Sanity check
if(!arg) return AF_ERROR;
mp_audio_copy_config(af->data, (struct mp_audio*)arg);
mp_audio_set_num_channels(af->data, 2);
if (af->data->format == AF_FORMAT_FLOAT_NE)
{
af->play = play_float;
}// else
{
mp_audio_set_format(af->data, AF_FORMAT_S16_NE);
af->play = play_s16;
}
return af_test_output(af,(struct mp_audio*)arg);
}
case AF_CONTROL_COMMAND_LINE:{
float f;
sscanf((char*)arg,"%f", &f);
s->mul = f;
return AF_OK;
}
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance* af, int cmd, void* arg)
{
switch(cmd){
case AF_CONTROL_REINIT:{
// Sanity check
if(!arg) return AF_ERROR;
mp_audio_copy_config(af->data, (struct mp_audio*)arg);
mp_audio_set_num_channels(af->data, 1);
#if 0
if (((struct mp_audio*)arg)->format == AF_FORMAT_FLOAT)
{
af->data->format = AF_FORMAT_FLOAT;
af->data->bps = 4;
af->play = play_float;
}// else
#endif
{
mp_audio_set_format(af->data, AF_FORMAT_S16);
af->filter = play_s16;
}
return af_test_output(af,(struct mp_audio*)arg);
}
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance_s* af, int cmd, void* arg)
{
af_volnorm_t* s = (af_volnorm_t*)af->setup;
switch(cmd){
case AF_CONTROL_REINIT:
// Sanity check
if(!arg) return AF_ERROR;
af->data->rate = ((af_data_t*)arg)->rate;
af->data->nch = ((af_data_t*)arg)->nch;
if(((af_data_t*)arg)->format == (AF_FORMAT_S16_NE)){
af->data->format = AF_FORMAT_S16_NE;
af->data->bps = 2;
}else{
af->data->format = AF_FORMAT_FLOAT_NE;
af->data->bps = 4;
}
return af_test_output(af,(af_data_t*)arg);
case AF_CONTROL_COMMAND_LINE:{
int i = 0;
float target = DEFAULT_TARGET;
sscanf((char*)arg,"%d:%f", &i, &target);
if (i != 1 && i != 2)
return AF_ERROR;
s->method = i-1;
s->mid_s16 = ((float)SHRT_MAX) * target;
s->mid_float = ((float)INT_MAX) * target;
return AF_OK;
}
}
return AF_UNKNOWN;
}
static int control(struct af_instance *af, int cmd, void *arg)
{
struct priv *s = af->priv;
switch (cmd) {
case AF_CONTROL_REINIT: {
struct mp_audio *in = arg;
mp_audio_copy_config(af->data, in);
mp_audio_force_interleaved_format(af->data);
if (s->fast && af_fmt_from_planar(in->format) != AF_FORMAT_FLOAT) {
mp_audio_set_format(af->data, AF_FORMAT_S16);
} else {
mp_audio_set_format(af->data, AF_FORMAT_FLOAT);
}
if (af_fmt_is_planar(in->format))
mp_audio_set_format(af->data, af_fmt_to_planar(af->data->format));
return af_test_output(af, in);
}
case AF_CONTROL_SET_VOLUME:
s->level = *(float *)arg;
return AF_OK;
case AF_CONTROL_GET_VOLUME:
*(float *)arg = s->level;
return AF_OK;
}
return AF_UNKNOWN;
}
/* Initialization and runtime control */
static int control(struct af_instance *af, int cmd, void* arg)
{
af_hrtf_t *s = af->priv;
int test_output_res;
switch(cmd) {
case AF_CONTROL_REINIT:
reset(s);
af->data->rate = 48000;
mp_audio_set_channels_old(af->data, ((struct mp_audio*)arg)->nch);
if(af->data->nch == 2) {
/* 2 channel input */
if(s->decode_mode != HRTF_MIX_MATRIX2CH) {
/* Default behavior is stereo mixing. */
s->decode_mode = HRTF_MIX_STEREO;
}
} else if (af->data->nch < 5) {
mp_audio_set_channels_old(af->data, 5);
}
mp_audio_set_format(af->data, AF_FORMAT_S16);
test_output_res = af_test_output(af, (struct mp_audio*)arg);
// after testing input set the real output format
mp_audio_set_num_channels(af->data, 2);
s->print_flag = 1;
return test_output_res;
case AF_CONTROL_RESET:
reset(s);
return AF_OK;
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance_s* af, int cmd, void* arg)
{
af_sub_t* s = af->setup;
switch(cmd){
case AF_CONTROL_REINIT:{
// Sanity check
if(!arg) return AF_ERROR;
af->data->rate = ((af_data_t*)arg)->rate;
af->data->nch = max(s->ch+1,((af_data_t*)arg)->nch);
af->data->format = AF_FORMAT_FLOAT_NE;
af->data->bps = 4;
// Design low-pass filter
s->k = 1.0;
if((-1 == af_filter_szxform(sp[0].a, sp[0].b, Q, s->fc,
(float)af->data->rate, &s->k, s->w[0])) ||
(-1 == af_filter_szxform(sp[1].a, sp[1].b, Q, s->fc,
(float)af->data->rate, &s->k, s->w[1])))
return AF_ERROR;
return af_test_output(af,(af_data_t*)arg);
}
case AF_CONTROL_COMMAND_LINE:{
int ch=5;
float fc=60.0;
sscanf(arg,"%f:%i", &fc , &ch);
if(AF_OK != control(af,AF_CONTROL_SUB_CH | AF_CONTROL_SET, &ch))
return AF_ERROR;
return control(af,AF_CONTROL_SUB_FC | AF_CONTROL_SET, &fc);
}
case AF_CONTROL_SUB_CH | AF_CONTROL_SET: // Requires reinit
// Sanity check
if((*(int*)arg >= AF_NCH) || (*(int*)arg < 0)){
af_msg(AF_MSG_ERROR,"[sub] Subwoofer channel number must be between "
" 0 and %i current value is %i\n", AF_NCH-1, *(int*)arg);
return AF_ERROR;
}
s->ch = *(int*)arg;
return AF_OK;
case AF_CONTROL_SUB_CH | AF_CONTROL_GET:
*(int*)arg = s->ch;
return AF_OK;
case AF_CONTROL_SUB_FC | AF_CONTROL_SET: // Requires reinit
// Sanity check
if((*(float*)arg > 300) || (*(float*)arg < 20)){
af_msg(AF_MSG_ERROR,"[sub] Cutoff frequency must be between 20Hz and"
" 300Hz current value is %0.2f",*(float*)arg);
return AF_ERROR;
}
// Set cutoff frequency
s->fc = *(float*)arg;
return AF_OK;
case AF_CONTROL_SUB_FC | AF_CONTROL_GET:
*(float*)arg = s->fc;
return AF_OK;
}
return AF_UNKNOWN;
}
/* Initialization and runtime control */
static int control(struct af_instance *af, int cmd, void* arg)
{
af_hrtf_t *s = af->setup;
int test_output_res;
char mode;
switch(cmd) {
case AF_CONTROL_REINIT:
af->data->rate = ((struct mp_audio*)arg)->rate;
if(af->data->rate != 48000) {
// automatic samplerate adjustment in the filter chain
// is not yet supported.
mp_msg(MSGT_AFILTER, MSGL_ERR,
"[hrtf] ERROR: Sampling rate is not 48000 Hz (%d)!\n",
af->data->rate);
return AF_ERROR;
}
mp_audio_set_channels_old(af->data, ((struct mp_audio*)arg)->nch);
if(af->data->nch == 2) {
/* 2 channel input */
if(s->decode_mode != HRTF_MIX_MATRIX2CH) {
/* Default behavior is stereo mixing. */
s->decode_mode = HRTF_MIX_STEREO;
}
}
else if (af->data->nch < 5)
mp_audio_set_channels_old(af->data, 5);
mp_audio_set_format(af->data, AF_FORMAT_S16);
test_output_res = af_test_output(af, (struct mp_audio*)arg);
// after testing input set the real output format
mp_audio_set_num_channels(af->data, 2);
s->print_flag = 1;
return test_output_res;
case AF_CONTROL_COMMAND_LINE:
sscanf((char*)arg, "%c", &mode);
switch(mode) {
case 'm':
/* Use matrix rear decoding. */
s->matrix_mode = 1;
break;
case 's':
/* Input needs matrix decoding. */
s->decode_mode = HRTF_MIX_MATRIX2CH;
break;
case '0':
s->matrix_mode = 0;
break;
default:
mp_msg(MSGT_AFILTER, MSGL_ERR,
"[hrtf] Mode is neither 'm', 's', nor '0' (%c).\n",
mode);
return AF_ERROR;
}
s->print_flag = 1;
return AF_OK;
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance_s* af, int cmd, void* arg)
{
af_resample_t* s = (af_resample_t*)af->setup;
af_data_t *data= (af_data_t*)arg;
int out_rate, test_output_res; // helpers for checking input format
switch(cmd){
case AF_CONTROL_REINIT:
if((af->data->rate == data->rate) || (af->data->rate == 0))
return AF_DETACH;
af->data->nch = data->nch;
if (af->data->nch > AF_NCH) af->data->nch = AF_NCH;
af->data->format = AF_FORMAT_S16_NE;
af->data->bps = 2;
af->mul = (double)af->data->rate / data->rate;
af->delay = af->data->nch * s->filter_length / FFMIN(af->mul, 1); // *bps*.5
if (s->ctx_out_rate != af->data->rate || s->ctx_in_rate != data->rate || s->ctx_filter_size != s->filter_length ||
s->ctx_phase_shift != s->phase_shift || s->ctx_linear != s->linear || s->ctx_cutoff != s->cutoff) {
swr_free(&s->swrctx);
if((s->swrctx=swr_alloc()) == NULL) return AF_ERROR;
av_opt_set_int(s->swrctx, "out_sample_rate", af->data->rate, 0);
av_opt_set_int(s->swrctx, "in_sample_rate", data->rate, 0);
av_opt_set_int(s->swrctx, "filter_size", s->filter_length, 0);
av_opt_set_int(s->swrctx, "phase_shift", s->phase_shift, 0);
av_opt_set_int(s->swrctx, "linear_interp", s->linear, 0);
av_opt_set_double(s->swrctx, "cutoff", s->cutoff, 0);
av_opt_set_sample_fmt(s->swrctx, "in_sample_fmt", AV_SAMPLE_FMT_S16, 0);
av_opt_set_sample_fmt(s->swrctx, "out_sample_fmt", AV_SAMPLE_FMT_S16, 0);
av_opt_set_int(s->swrctx, "in_channel_count", af->data->nch, 0);
av_opt_set_int(s->swrctx, "out_channel_count", af->data->nch, 0);
if(swr_init(s->swrctx) < 0) return AF_ERROR;
s->ctx_out_rate = af->data->rate;
s->ctx_in_rate = data->rate;
s->ctx_filter_size = s->filter_length;
s->ctx_phase_shift = s->phase_shift;
s->ctx_linear = s->linear;
s->ctx_cutoff = s->cutoff;
}
// hack to make af_test_output ignore the samplerate change
out_rate = af->data->rate;
af->data->rate = data->rate;
test_output_res = af_test_output(af, (af_data_t*)arg);
af->data->rate = out_rate;
return test_output_res;
case AF_CONTROL_COMMAND_LINE:{
s->cutoff= 0.0;
sscanf((char*)arg,"%d:%d:%d:%d:%lf", &af->data->rate, &s->filter_length, &s->linear, &s->phase_shift, &s->cutoff);
if(s->cutoff <= 0.0) s->cutoff= FFMAX(1.0 - 6.5/(s->filter_length+8), 0.80);
return AF_OK;
}
case AF_CONTROL_RESAMPLE_RATE | AF_CONTROL_SET:
af->data->rate = *(int*)arg;
return AF_OK;
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance_s* af, int cmd, void* arg)
{
af_gate_t* s = (af_gate_t*)af->setup;
switch(cmd){
case AF_CONTROL_REINIT:
// Sanity check
if(!arg) return AF_ERROR;
af->data->rate = ((af_data_t*)arg)->rate;
af->data->nch = ((af_data_t*)arg)->nch;
af->data->format = AF_FORMAT_FLOAT_NE;
af->data->bps = 4;
// Time constant set to 0.1s
// s->alpha = (1.0/0.2)/(2.0*M_PI*(float)((af_data_t*)arg)->rate);
return af_test_output(af,(af_data_t*)arg);
case AF_CONTROL_COMMAND_LINE:{
/* float v=-10.0; */
/* float vol[AF_NCH]; */
/* float s=0.0; */
/* float clipp[AF_NCH]; */
/* int i; */
/* sscanf((char*)arg,"%f:%f", &v, &s); */
/* for(i=0;i<AF_NCH;i++){ */
/* vol[i]=v; */
/* clipp[i]=s; */
/* } */
/* if(AF_OK != control(af,AF_CONTROL_VOLUME_SOFTCLIP | AF_CONTROL_SET, clipp)) */
/* return AF_ERROR; */
/* return control(af,AF_CONTROL_VOLUME_LEVEL | AF_CONTROL_SET, vol); */
}
case AF_CONTROL_GATE_ON_OFF | AF_CONTROL_SET:
memcpy(s->enable,(int*)arg,AF_NCH*sizeof(int));
return AF_OK;
case AF_CONTROL_GATE_ON_OFF | AF_CONTROL_GET:
memcpy((int*)arg,s->enable,AF_NCH*sizeof(int));
return AF_OK;
case AF_CONTROL_GATE_THRESH | AF_CONTROL_SET:
return af_from_dB(AF_NCH,(float*)arg,s->tresh,20.0,-60.0,-1.0);
case AF_CONTROL_GATE_THRESH | AF_CONTROL_GET:
return af_to_dB(AF_NCH,s->tresh,(float*)arg,10.0);
case AF_CONTROL_GATE_ATTACK | AF_CONTROL_SET:
return af_from_ms(AF_NCH,(float*)arg,s->attack,af->data->rate,500.0,0.1);
case AF_CONTROL_GATE_ATTACK | AF_CONTROL_GET:
return af_to_ms(AF_NCH,s->attack,(float*)arg,af->data->rate);
case AF_CONTROL_GATE_RELEASE | AF_CONTROL_SET:
return af_from_ms(AF_NCH,(float*)arg,s->release,af->data->rate,3000.0,10.0);
case AF_CONTROL_GATE_RELEASE | AF_CONTROL_GET:
return af_to_ms(AF_NCH,s->release,(float*)arg,af->data->rate);
case AF_CONTROL_GATE_RANGE | AF_CONTROL_SET:
return af_from_dB(AF_NCH,(float*)arg,s->range,20.0,100.0,0.0);
case AF_CONTROL_GATE_RANGE | AF_CONTROL_GET:
return af_to_dB(AF_NCH,s->range,(float*)arg,10.0);
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance* af, int cmd, void* arg)
{
af_equalizer_t* s = (af_equalizer_t*)af->priv;
switch(cmd){
case AF_CONTROL_REINIT:{
int k =0, i =0;
float F[KM] = CF;
s->gain_factor=0.0;
// Sanity check
if(!arg) return AF_ERROR;
mp_audio_copy_config(af->data, (struct mp_audio*)arg);
mp_audio_set_format(af->data, AF_FORMAT_FLOAT);
// Calculate number of active filters
s->K=KM;
while(F[s->K-1] > (float)af->data->rate/2.2)
s->K--;
if(s->K != KM)
MP_INFO(af, "Limiting the number of filters to"
" %i due to low sample rate.\n",s->K);
// Generate filter taps
for(k=0;k<s->K;k++)
bp2(s->a[k],s->b[k],F[k]/((float)af->data->rate),Q);
// Calculate how much this plugin adds to the overall time delay
af->delay = 2.0 / (double)af->data->rate;
// Calculate gain factor to prevent clipping at output
for(k=0;k<AF_NCH;k++)
{
for(i=0;i<KM;i++)
{
if(s->gain_factor < s->g[k][i]) s->gain_factor=s->g[k][i];
}
}
s->gain_factor=log10(s->gain_factor + 1.0) * 20.0;
if(s->gain_factor > 0.0)
{
s->gain_factor=0.1+(s->gain_factor/12.0);
}else{
s->gain_factor=1;
}
return af_test_output(af,arg);
}
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance* af, int cmd, void* arg)
{
switch(cmd){
case AF_CONTROL_REINIT:
mp_audio_copy_config(af->data, (struct mp_audio*)arg);
mp_audio_set_format(af->data, AF_FORMAT_FLOAT_NE);
return af_test_output(af,(struct mp_audio*)arg);
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance_s* af, int cmd, void* arg)
{
switch(cmd){
case AF_CONTROL_REINIT:
af->data->rate = ((af_data_t*)arg)->rate;
af->data->nch = ((af_data_t*)arg)->nch;
af->data->format= AF_FORMAT_FLOAT_NE;
af->data->bps = 4;
return af_test_output(af,(af_data_t*)arg);
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance_s* af, int cmd, void* arg)
{
af_sinesuppress_t* s = (af_sinesuppress_t*)af->setup;
switch(cmd){
case AF_CONTROL_REINIT:{
// Sanity check
if(!arg) return AF_ERROR;
af->data->rate = ((af_data_t*)arg)->rate;
af->data->nch = 1;
#if 0
if (((af_data_t*)arg)->format == AF_FORMAT_FLOAT_NE)
{
af->data->format = AF_FORMAT_FLOAT_NE;
af->data->bps = 4;
af->play = play_float;
}// else
#endif
{
af->data->format = AF_FORMAT_S16_NE;
af->data->bps = 2;
af->play = play_s16;
}
return af_test_output(af,(af_data_t*)arg);
}
case AF_CONTROL_COMMAND_LINE:{
float f1,f2;
sscanf((char*)arg,"%f:%f", &f1,&f2);
s->freq = f1;
s->decay = f2;
return AF_OK;
}
case AF_CONTROL_SS_FREQ | AF_CONTROL_SET:
s->freq = *(float*)arg;
return AF_OK;
case AF_CONTROL_SS_FREQ | AF_CONTROL_GET:
*(float*)arg = s->freq;
return AF_OK;
case AF_CONTROL_SS_DECAY | AF_CONTROL_SET:
s->decay = *(float*)arg;
return AF_OK;
case AF_CONTROL_SS_DECAY | AF_CONTROL_GET:
*(float*)arg = s->decay;
return AF_OK;
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance_s* af, int cmd, void* arg)
{
af_resample_t* s = (af_resample_t*)af->setup;
af_data_t *data= (af_data_t*)arg;
int out_rate, test_output_res; // helpers for checking input format
switch(cmd){
case AF_CONTROL_REINIT:
if((af->data->rate == data->rate) || (af->data->rate == 0))
return AF_DETACH;
af->data->nch = data->nch;
if (af->data->nch > AF_NCH) af->data->nch = AF_NCH;
af->data->format = AF_FORMAT_S16_NE;
af->data->bps = 2;
af->mul = (double)af->data->rate / data->rate;
af->delay = af->data->nch * s->filter_length / min(af->mul, 1); // *bps*.5
if (s->ctx_out_rate != af->data->rate || s->ctx_in_rate != data->rate || s->ctx_filter_size != s->filter_length ||
s->ctx_phase_shift != s->phase_shift || s->ctx_linear != s->linear || s->ctx_cutoff != s->cutoff) {
if(s->avrctx) av_resample_close(s->avrctx);
s->avrctx= av_resample_init(af->data->rate, /*in_rate*/data->rate, s->filter_length, s->phase_shift, s->linear, s->cutoff);
s->ctx_out_rate = af->data->rate;
s->ctx_in_rate = data->rate;
s->ctx_filter_size = s->filter_length;
s->ctx_phase_shift = s->phase_shift;
s->ctx_linear = s->linear;
s->ctx_cutoff = s->cutoff;
}
// hack to make af_test_output ignore the samplerate change
out_rate = af->data->rate;
af->data->rate = data->rate;
test_output_res = af_test_output(af, (af_data_t*)arg);
af->data->rate = out_rate;
return test_output_res;
case AF_CONTROL_COMMAND_LINE:{
s->cutoff= 0.0;
sscanf((char*)arg,"%d:%d:%d:%d:%lf", &af->data->rate, &s->filter_length, &s->linear, &s->phase_shift, &s->cutoff);
if(s->cutoff <= 0.0) s->cutoff= max(1.0 - 6.5/(s->filter_length+8), 0.80);
return AF_OK;
}
case AF_CONTROL_RESAMPLE_RATE | AF_CONTROL_SET:
af->data->rate = *(int*)arg;
return AF_OK;
}
return AF_UNKNOWN;
}
static int stats_init(af_instance_t *af, struct af_stats *s, af_data_t *data)
{
int i;
if (!data)
return AF_ERROR;
*(af->data) = *data;
af->data->format = AF_FORMAT_S16_NE;
af->data->bps = 2;
s->n_samples = 0;
s->tsquare = 0;
s->max = 0;
for (i = 0; i < 65536; i++)
s->histogram[i] = 0;
return af_test_output(af, data);
}
// Initialization and runtime control
static int control(struct af_instance* af, int cmd, void* arg)
{
switch(cmd){
case AF_CONTROL_REINIT:
// Sanity check
if(!arg) return AF_ERROR;
mp_audio_force_interleaved_format((struct mp_audio*)arg);
mp_audio_copy_config(af->data, (struct mp_audio*)arg);
if(((struct mp_audio*)arg)->format != (AF_FORMAT_S16)){
mp_audio_set_format(af->data, AF_FORMAT_FLOAT);
}
return af_test_output(af,(struct mp_audio*)arg);
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance* af, int cmd, void* arg)
{
af_center_t* s = af->priv;
switch(cmd){
case AF_CONTROL_REINIT:{
// Sanity check
if(!arg) return AF_ERROR;
af->data->rate = ((struct mp_audio*)arg)->rate;
mp_audio_set_channels_old(af->data, MPMAX(s->ch+1,((struct mp_audio*)arg)->nch));
mp_audio_set_format(af->data, AF_FORMAT_FLOAT);
return af_test_output(af,(struct mp_audio*)arg);
}
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance* af, int cmd, void* arg)
{
af_sub_t* s = af->setup;
switch(cmd){
case AF_CONTROL_REINIT:{
// Sanity check
if(!arg) return AF_ERROR;
af->data->rate = ((struct mp_audio*)arg)->rate;
mp_audio_set_channels_old(af->data, MPMAX(s->ch+1,((struct mp_audio*)arg)->nch));
mp_audio_set_format(af->data, AF_FORMAT_FLOAT);
// Design low-pass filter
s->k = 1.0;
if((-1 == af_filter_szxform(sp[0].a, sp[0].b, Q, s->fc,
(float)af->data->rate, &s->k, s->w[0])) ||
(-1 == af_filter_szxform(sp[1].a, sp[1].b, Q, s->fc,
(float)af->data->rate, &s->k, s->w[1])))
return AF_ERROR;
return af_test_output(af,(struct mp_audio*)arg);
}
case AF_CONTROL_COMMAND_LINE:{
int ch=5;
float fc=60.0;
sscanf(arg,"%f:%i", &fc , &ch);
// Sanity check
if(ch >= AF_NCH || ch < 0){
mp_msg(MSGT_AFILTER, MSGL_ERR, "[sub] Subwoofer channel number must be between "
" 0 and %i current value is %i\n", AF_NCH-1, ch);
return AF_ERROR;
}
s->ch = ch;
if(fc > 300 || fc < 20){
mp_msg(MSGT_AFILTER, MSGL_ERR, "[sub] Cutoff frequency must be between 20Hz and"
" 300Hz current value is %0.2f",fc);
return AF_ERROR;
}
s->fc = fc;
return AF_OK;
}
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance_s* af, int cmd, void* arg)
{
af_extrastereo_t* s = (af_extrastereo_t*)af->setup;
switch(cmd){
case AF_CONTROL_REINIT:{
// Sanity check
if(!arg) return AF_ERROR;
af->data->rate = ((af_data_t*)arg)->rate;
af->data->nch = 2;
if (((af_data_t*)arg)->format == AF_FORMAT_FLOAT_NE)
{
af->data->format = AF_FORMAT_FLOAT_NE;
af->data->bps = 4;
af->play = play_float;
}// else
{
af->data->format = AF_FORMAT_S16_NE;
af->data->bps = 2;
af->play = play_s16;
}
return af_test_output(af,(af_data_t*)arg);
}
case AF_CONTROL_COMMAND_LINE:{
float f;
sscanf((char*)arg,"%f", &f);
s->mul = f;
return AF_OK;
}
case AF_CONTROL_ES_MUL | AF_CONTROL_SET:
s->mul = *(float*)arg;
return AF_OK;
case AF_CONTROL_ES_MUL | AF_CONTROL_GET:
*(float*)arg = s->mul;
return AF_OK;
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance_s* af, int cmd, void* arg)
{
af_center_t* s = af->setup;
switch(cmd){
case AF_CONTROL_REINIT:{
// Sanity check
if(!arg) return AF_ERROR;
af->data->rate = ((af_data_t*)arg)->rate;
af->data->nch = FFMAX(s->ch+1,((af_data_t*)arg)->nch);
af->data->format = AF_FORMAT_FLOAT_NE;
af->data->bps = 4;
return af_test_output(af,(af_data_t*)arg);
}
case AF_CONTROL_COMMAND_LINE:{
int ch=1;
sscanf(arg,"%i", &ch);
return control(af,AF_CONTROL_CENTER_CH | AF_CONTROL_SET, &ch);
}
case AF_CONTROL_CENTER_CH | AF_CONTROL_SET: // Requires reinit
// Sanity check
if((*(int*)arg >= AF_NCH) || (*(int*)arg < 0)){
mp_msg(MSGT_AFILTER, MSGL_ERR, "[sub] Center channel number must be between "
" 0 and %i current value is %i\n", AF_NCH-1, *(int*)arg);
return AF_ERROR;
}
s->ch = *(int*)arg;
return AF_OK;
case AF_CONTROL_CENTER_CH | AF_CONTROL_GET:
*(int*)arg = s->ch;
return AF_OK;
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance* af, int cmd, void* arg)
{
af_sinesuppress_t* s = (af_sinesuppress_t*)af->setup;
switch(cmd){
case AF_CONTROL_REINIT:{
// Sanity check
if(!arg) return AF_ERROR;
mp_audio_copy_config(af->data, (struct mp_audio*)arg);
mp_audio_set_num_channels(af->data, 1);
#if 0
if (((struct mp_audio*)arg)->format == AF_FORMAT_FLOAT_NE)
{
af->data->format = AF_FORMAT_FLOAT_NE;
af->data->bps = 4;
af->play = play_float;
}// else
#endif
{
mp_audio_set_format(af->data, AF_FORMAT_S16_NE);
af->play = play_s16;
}
return af_test_output(af,(struct mp_audio*)arg);
}
case AF_CONTROL_COMMAND_LINE:{
float f1,f2;
sscanf((char*)arg,"%f:%f", &f1,&f2);
s->freq = f1;
s->decay = f2;
return AF_OK;
}
}
return AF_UNKNOWN;
}
static int control(struct af_instance_s *af, int cmd, void *arg) {
af_ladspa_t *setup = (af_ladspa_t*) af->setup;
int i, r;
float val;
switch(cmd) {
case AF_CONTROL_REINIT:
mp_msg(MSGT_AFILTER, MSGL_V, "%s: (re)init\n", setup->myname);
if (!arg) return AF_ERROR;
/* accept FLOAT, let af_format do conversion */
af->data->rate = ((af_data_t*)arg)->rate;
af->data->nch = ((af_data_t*)arg)->nch;
af->data->format = AF_FORMAT_FLOAT_NE;
af->data->bps = 4;
/* arg->len is not set here yet, so init of buffers and connecting the
* filter, has to be done in play() :-/
*/
return af_test_output(af, (af_data_t*)arg);
case AF_CONTROL_COMMAND_LINE: {
char *buf;
mp_msg(MSGT_AFILTER, MSGL_V, "%s: parse suboptions\n", setup->myname);
/* suboption parser here!
* format is (ladspa=)file:label:controls....
*/
if (!arg) {
mp_msg(MSGT_AFILTER, MSGL_ERR, "%s: %s\n", setup->myname,
MSGTR_AF_LADSPA_ErrNoSuboptions);
return AF_ERROR;
}
buf = malloc(strlen(arg)+1);
if (!buf) return af_ladspa_malloc_failed(setup->myname);
/* file... */
buf[0] = '\0';
sscanf(arg, "%[^:]", buf);
if (buf[0] == '\0') {
mp_msg(MSGT_AFILTER, MSGL_ERR, "%s: %s\n", setup->myname,
MSGTR_AF_LADSPA_ErrNoLibFile);
free(buf);
return AF_ERROR;
}
arg += strlen(buf);
setup->file = strdup(buf);
if (!setup->file) return af_ladspa_malloc_failed(setup->myname);
mp_msg(MSGT_AFILTER, MSGL_V, "%s: file --> %s\n", setup->myname,
setup->file);
if (*(char*)arg != '\0') arg++; /* read ':' */
/* label... */
buf[0] = '\0';
sscanf(arg, "%[^:]", buf);
if (buf[0] == '\0') {
mp_msg(MSGT_AFILTER, MSGL_ERR, "%s: %s\n", setup->myname,
MSGTR_AF_LADSPA_ErrNoLabel);
free(buf);
return AF_ERROR;
}
arg += strlen(buf);
setup->label = strdup(buf);
if (!setup->label) return af_ladspa_malloc_failed(setup->myname);
mp_msg(MSGT_AFILTER, MSGL_V, "%s: label --> %s\n", setup->myname,
setup->label);
/* if (*(char*)arg != '0') arg++; */ /* read ':' */
free(buf); /* no longer needed */
/* set new setup->myname */
free(setup->myname);
setup->myname = calloc(strlen(af_info_ladspa.name)+strlen(setup->file)+
strlen(setup->label)+6, 1);
snprintf(setup->myname, strlen(af_info_ladspa.name)+
strlen(setup->file)+strlen(setup->label)+6, "%s: (%s:%s)",
af_info_ladspa.name, setup->file, setup->label);
/* load plugin :) */
if ( af_ladspa_load_plugin(setup) != AF_OK )
return AF_ERROR;
/* see what inputs, outputs and controls this plugin has */
if ( af_ladspa_parse_plugin(setup) != AF_OK )
return AF_ERROR;
/* ninputcontrols is set by now, read control values from arg */
for(i=0; i<setup->ninputcontrols; i++) {
if (!arg || (*(char*)arg != ':') ) {
mp_msg(MSGT_AFILTER, MSGL_ERR, "%s: %s\n", setup->myname,
MSGTR_AF_LADSPA_ErrNotEnoughControls);
return AF_ERROR;
}
arg++;
r = sscanf(arg, "%f", &val);
if (r!=1) {
mp_msg(MSGT_AFILTER, MSGL_ERR, "%s: %s\n", setup->myname,
MSGTR_AF_LADSPA_ErrNotEnoughControls);
return AF_ERROR;
}
setup->inputcontrols[setup->inputcontrolsmap[i]] = val;
arg = strchr(arg, ':');
}
mp_msg(MSGT_AFILTER, MSGL_V, "%s: input controls: ", setup->myname);
for(i=0; i<setup->ninputcontrols; i++) {
mp_msg(MSGT_AFILTER, MSGL_V, "%0.4f ",
setup->inputcontrols[setup->inputcontrolsmap[i]]);
}
mp_msg(MSGT_AFILTER, MSGL_V, "\n");
/* check boundaries of inputcontrols */
mp_msg(MSGT_AFILTER, MSGL_V, "%s: checking boundaries of input controls\n",
setup->myname);
for(i=0; i<setup->ninputcontrols; i++) {
int p = setup->inputcontrolsmap[i];
LADSPA_PortRangeHint hint =
setup->plugin_descriptor->PortRangeHints[p];
val = setup->inputcontrols[p];
if (LADSPA_IS_HINT_BOUNDED_BELOW(hint.HintDescriptor) &&
val < hint.LowerBound) {
mp_msg(MSGT_AFILTER, MSGL_ERR, MSGTR_AF_LADSPA_ErrControlBelow,
setup->myname, i, hint.LowerBound);
return AF_ERROR;
}
if (LADSPA_IS_HINT_BOUNDED_ABOVE(hint.HintDescriptor) &&
val > hint.UpperBound) {
mp_msg(MSGT_AFILTER, MSGL_ERR, MSGTR_AF_LADSPA_ErrControlAbove,
setup->myname, i, hint.UpperBound);
return AF_ERROR;
}
}
mp_msg(MSGT_AFILTER, MSGL_V, "%s: all controls have sane values\n",
setup->myname);
/* All is well! */
setup->status = AF_OK;
return AF_OK; }
}
return AF_UNKNOWN;
}
/* Initialization and runtime control
af audio filter instance
cmd control command
arg argument
*/
static int control(struct af_instance_s* af, int cmd, void* arg)
{
af_export_t* s = af->setup;
switch (cmd){
case AF_CONTROL_REINIT:{
int i=0;
int mapsize;
// Free previous buffers
free(s->buf[0]);
// unmap previous area
if(s->mmap_area)
munmap(s->mmap_area, SIZE_HEADER + (af->data->bps*s->sz*af->data->nch));
// close previous file descriptor
if(s->fd)
close(s->fd);
// Accept only int16_t as input format (which sucks)
af->data->rate = ((af_data_t*)arg)->rate;
af->data->nch = ((af_data_t*)arg)->nch;
af->data->format = AF_FORMAT_S16_NE;
af->data->bps = 2;
// If buffer length isn't set, set it to the default value
if(s->sz == 0)
s->sz = DEF_SZ;
// Allocate new buffers (as one continuous block)
s->buf[0] = calloc(s->sz*af->data->nch, af->data->bps);
if(NULL == s->buf[0])
mp_msg(MSGT_AFILTER, MSGL_FATAL, "[export] Out of memory\n");
for(i = 1; i < af->data->nch; i++)
s->buf[i] = (uint8_t *)s->buf[0] + i*s->sz*af->data->bps;
// Init memory mapping
s->fd = open(s->filename, O_RDWR | O_CREAT | O_TRUNC, 0640);
mp_msg(MSGT_AFILTER, MSGL_INFO, "[export] Exporting to file: %s\n", s->filename);
if(s->fd < 0) {
mp_msg(MSGT_AFILTER, MSGL_FATAL, "[export] Could not open/create file: %s\n",
s->filename);
return AF_ERROR;
}
// header + buffer
mapsize = (SIZE_HEADER + (af->data->bps * s->sz * af->data->nch));
// grow file to needed size
for(i = 0; i < mapsize; i++){
char null = 0;
write(s->fd, (void*) &null, 1);
}
// mmap size
s->mmap_area = mmap(0, mapsize, PROT_READ|PROT_WRITE,MAP_SHARED, s->fd, 0);
if(s->mmap_area == NULL)
mp_msg(MSGT_AFILTER, MSGL_FATAL, "[export] Could not mmap file %s\n", s->filename);
mp_msg(MSGT_AFILTER, MSGL_INFO, "[export] Memory mapped to file: %s (%p)\n",
s->filename, s->mmap_area);
// Initialize header
*((int*)s->mmap_area) = af->data->nch;
*((int*)s->mmap_area + 1) = s->sz * af->data->bps * af->data->nch;
msync(s->mmap_area, mapsize, MS_ASYNC);
// Use test_output to return FALSE if necessary
return af_test_output(af, (af_data_t*)arg);
}
case AF_CONTROL_COMMAND_LINE:{
int i=0;
char *str = arg;
if (!str){
free(s->filename);
s->filename = get_path(SHARED_FILE);
return AF_OK;
}
while((str[i]) && (str[i] != ':'))
i++;
free(s->filename);
s->filename = calloc(i + 1, 1);
memcpy(s->filename, str, i);
s->filename[i] = 0;
sscanf(str + i + 1, "%d", &(s->sz));
return af->control(af, AF_CONTROL_EXPORT_SZ | AF_CONTROL_SET, &s->sz);
}
case AF_CONTROL_EXPORT_SZ | AF_CONTROL_SET:
s->sz = * (int *) arg;
if((s->sz <= 0) || (s->sz > 2048))
mp_msg(MSGT_AFILTER, MSGL_ERR, "[export] Buffer size must be between"
" 1 and 2048\n" );
return AF_OK;
case AF_CONTROL_EXPORT_SZ | AF_CONTROL_GET:
*(int*) arg = s->sz;
return AF_OK;
}
return AF_UNKNOWN;
}
/* Initialization and runtime control
af audio filter instance
cmd control command
arg argument
*/
static int control(struct af_instance* af, int cmd, void* arg)
{
af_export_t* s = af->priv;
switch (cmd){
case AF_CONTROL_REINIT:{
int i=0;
int mapsize;
// Free previous buffers
free(s->buf[0]);
// unmap previous area
if(s->mmap_area)
munmap(s->mmap_area, SIZE_HEADER + (af->data->bps*s->sz*af->data->nch));
// close previous file descriptor
if(s->fd)
close(s->fd);
// Accept only int16_t as input format (which sucks)
mp_audio_copy_config(af->data, (struct mp_audio*)arg);
mp_audio_set_format(af->data, AF_FORMAT_S16);
// Allocate new buffers (as one continuous block)
s->buf[0] = calloc(s->sz*af->data->nch, af->data->bps);
if(NULL == s->buf[0]) {
MP_FATAL(af, "Out of memory\n");
return AF_ERROR;
}
for(i = 1; i < af->data->nch; i++)
s->buf[i] = (uint8_t *)s->buf[0] + i*s->sz*af->data->bps;
if (!s->filename) {
MP_FATAL(af, "No filename set.\n");
return AF_ERROR;
}
// Init memory mapping
s->fd = open(s->filename, O_RDWR | O_CREAT | O_TRUNC | O_CLOEXEC, 0640);
MP_INFO(af, "Exporting to file: %s\n", s->filename);
if(s->fd < 0) {
MP_FATAL(af, "Could not open/create file: %s\n",
s->filename);
return AF_ERROR;
}
// header + buffer
mapsize = (SIZE_HEADER + (af->data->bps * s->sz * af->data->nch));
// grow file to needed size
for(i = 0; i < mapsize; i++){
char null = 0;
write(s->fd, (void*) &null, 1);
}
// mmap size
s->mmap_area = mmap(0, mapsize, PROT_READ|PROT_WRITE,MAP_SHARED, s->fd, 0);
if(s->mmap_area == NULL)
MP_FATAL(af, "Could not mmap file %s\n", s->filename);
MP_INFO(af, "Memory mapped to file: %s (%p)\n",
s->filename, s->mmap_area);
// Initialize header
*((int*)s->mmap_area) = af->data->nch;
*((int*)s->mmap_area + 1) = s->sz * af->data->bps * af->data->nch;
msync(s->mmap_area, mapsize, MS_ASYNC);
// Use test_output to return FALSE if necessary
return af_test_output(af, (struct mp_audio*)arg);
}
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance *af, int cmd, void *arg)
{
af_scaletempo_t *s = af->priv;
switch (cmd) {
case AF_CONTROL_REINIT: {
struct mp_audio *data = (struct mp_audio *)arg;
float srate = data->rate / 1000;
int nch = data->nch;
int use_int = 0;
mp_msg(MSGT_AFILTER, MSGL_V,
"[scaletempo] %.3f speed * %.3f scale_nominal = %.3f\n",
s->speed, s->scale_nominal, s->scale);
mp_audio_force_interleaved_format(data);
mp_audio_copy_config(af->data, data);
if (s->scale == 1.0) {
if (s->speed_tempo && s->speed_pitch)
return AF_DETACH;
af->delay = 0;
af->mul = 1;
return af_test_output(af, data);
}
if (data->format == AF_FORMAT_S16) {
use_int = 1;
} else {
mp_audio_set_format(af->data, AF_FORMAT_FLOAT);
}
int bps = af->data->bps;
s->frames_stride = srate * s->ms_stride;
s->bytes_stride = s->frames_stride * bps * nch;
s->frames_stride_scaled = s->scale * s->frames_stride;
s->frames_stride_error = 0;
af->mul = 1.0 / s->scale;
af->delay = 0;
int frames_overlap = s->frames_stride * s->percent_overlap;
if (frames_overlap <= 0) {
s->bytes_standing = s->bytes_stride;
s->samples_standing = s->bytes_standing / bps;
s->output_overlap = NULL;
s->bytes_overlap = 0;
} else {
s->samples_overlap = frames_overlap * nch;
s->bytes_overlap = frames_overlap * nch * bps;
s->bytes_standing = s->bytes_stride - s->bytes_overlap;
s->samples_standing = s->bytes_standing / bps;
s->buf_overlap = realloc(s->buf_overlap, s->bytes_overlap);
s->table_blend = realloc(s->table_blend, s->bytes_overlap * 4);
if (!s->buf_overlap || !s->table_blend) {
mp_msg(MSGT_AFILTER, MSGL_FATAL, "[scaletempo] Out of memory\n");
return AF_ERROR;
}
memset(s->buf_overlap, 0, s->bytes_overlap);
if (use_int) {
int32_t *pb = s->table_blend;
int64_t blend = 0;
for (int i = 0; i < frames_overlap; i++) {
int32_t v = blend / frames_overlap;
for (int j = 0; j < nch; j++)
*pb++ = v;
blend += 65536; // 2^16
}
s->output_overlap = output_overlap_s16;
} else {
float *pb = s->table_blend;
for (int i = 0; i < frames_overlap; i++) {
float v = i / (float)frames_overlap;
for (int j = 0; j < nch; j++)
*pb++ = v;
}
s->output_overlap = output_overlap_float;
}
}
s->frames_search = (frames_overlap > 1) ? srate * s->ms_search : 0;
if (s->frames_search <= 0)
s->best_overlap_offset = NULL;
else {
if (use_int) {
int64_t t = frames_overlap;
int32_t n = 8589934588LL / (t * t); // 4 * (2^31 - 1) / t^2
s->buf_pre_corr = realloc(s->buf_pre_corr,
s->bytes_overlap * 2 + UNROLL_PADDING);
s->table_window = realloc(s->table_window,
s->bytes_overlap * 2 - nch * bps * 2);
if (!s->buf_pre_corr || !s->table_window) {
mp_msg(MSGT_AFILTER, MSGL_FATAL, "[scaletempo] Out of memory\n");
return AF_ERROR;
}
memset((char *)s->buf_pre_corr + s->bytes_overlap * 2, 0,
UNROLL_PADDING);
int32_t *pw = s->table_window;
for (int i = 1; i < frames_overlap; i++) {
int32_t v = (i * (t - i) * n) >> 15;
for (int j = 0; j < nch; j++)
*pw++ = v;
}
s->best_overlap_offset = best_overlap_offset_s16;
} else {
s->buf_pre_corr = realloc(s->buf_pre_corr, s->bytes_overlap);
s->table_window = realloc(s->table_window,
s->bytes_overlap - nch * bps);
if (!s->buf_pre_corr || !s->table_window) {
mp_msg(MSGT_AFILTER, MSGL_FATAL,
"[scaletempo] Out of memory\n");
return AF_ERROR;
}
float *pw = s->table_window;
for (int i = 1; i < frames_overlap; i++) {
float v = i * (frames_overlap - i);
for (int j = 0; j < nch; j++)
*pw++ = v;
}
s->best_overlap_offset = best_overlap_offset_float;
}
}
s->bytes_per_frame = bps * nch;
s->num_channels = nch;
s->bytes_queue = (s->frames_search + s->frames_stride + frames_overlap)
* bps * nch;
s->buf_queue = realloc(s->buf_queue, s->bytes_queue + UNROLL_PADDING);
if (!s->buf_queue) {
mp_msg(MSGT_AFILTER, MSGL_FATAL, "[scaletempo] Out of memory\n");
return AF_ERROR;
}
s->bytes_queued = 0;
s->bytes_to_slide = 0;
mp_msg(MSGT_AFILTER, MSGL_DBG2, "[scaletempo] "
"%.2f stride_in, %i stride_out, %i standing, "
"%i overlap, %i search, %i queue, %s mode\n",
s->frames_stride_scaled,
(int)(s->bytes_stride / nch / bps),
(int)(s->bytes_standing / nch / bps),
(int)(s->bytes_overlap / nch / bps),
s->frames_search,
(int)(s->bytes_queue / nch / bps),
(use_int ? "s16" : "float"));
return af_test_output(af, (struct mp_audio *)arg);
}
case AF_CONTROL_SET_PLAYBACK_SPEED: {
if (s->speed_tempo) {
if (s->speed_pitch)
break;
s->speed = *(double *)arg;
s->scale = s->speed * s->scale_nominal;
} else {
if (s->speed_pitch) {
s->speed = 1 / *(double *)arg;
s->scale = s->speed * s->scale_nominal;
break;
}
}
return AF_OK;
}
case AF_CONTROL_RESET:
s->bytes_queued = 0;
s->bytes_to_slide = 0;
s->frames_stride_error = 0;
memset(s->buf_overlap, 0, s->bytes_overlap);
}
// Initialization and runtime control
static int control(struct af_instance* af, int cmd, void* arg)
{
af_equalizer_t* s = (af_equalizer_t*)af->setup;
switch(cmd){
case AF_CONTROL_REINIT:{
int k =0, i =0;
float F[KM] = CF;
s->gain_factor=0.0;
// Sanity check
if(!arg) return AF_ERROR;
af->data->rate = ((struct mp_audio*)arg)->rate;
af->data->nch = ((struct mp_audio*)arg)->nch;
af->data->format = AF_FORMAT_FLOAT_NE;
af->data->bps = 4;
// Calculate number of active filters
s->K=KM;
while(F[s->K-1] > (float)af->data->rate/2.2)
s->K--;
if(s->K != KM)
mp_msg(MSGT_AFILTER, MSGL_INFO, "[equalizer] Limiting the number of filters to"
" %i due to low sample rate.\n",s->K);
// Generate filter taps
for(k=0;k<s->K;k++)
bp2(s->a[k],s->b[k],F[k]/((float)af->data->rate),Q);
// Calculate how much this plugin adds to the overall time delay
af->delay = 2 * af->data->nch * af->data->bps;
// Calculate gain factor to prevent clipping at output
for(k=0;k<AF_NCH;k++)
{
for(i=0;i<KM;i++)
{
if(s->gain_factor < s->g[k][i]) s->gain_factor=s->g[k][i];
}
}
s->gain_factor=log10(s->gain_factor + 1.0) * 20.0;
if(s->gain_factor > 0.0)
{
s->gain_factor=0.1+(s->gain_factor/12.0);
}else{
s->gain_factor=1;
}
return af_test_output(af,arg);
}
case AF_CONTROL_COMMAND_LINE:{
float g[10]={0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0};
int i,j;
sscanf((char*)arg,"%f:%f:%f:%f:%f:%f:%f:%f:%f:%f", &g[0], &g[1],
&g[2], &g[3], &g[4], &g[5], &g[6], &g[7], &g[8] ,&g[9]);
for(i=0;i<AF_NCH;i++){
for(j=0;j<KM;j++){
((af_equalizer_t*)af->setup)->g[i][j] =
pow(10.0,clamp(g[j],G_MIN,G_MAX)/20.0)-1.0;
}
}
return AF_OK;
}
case AF_CONTROL_EQUALIZER_GAIN | AF_CONTROL_SET:{
float* gain = ((af_control_ext_t*)arg)->arg;
int ch = ((af_control_ext_t*)arg)->ch;
int k;
if(ch >= AF_NCH || ch < 0)
return AF_ERROR;
for(k = 0 ; k<KM ; k++)
s->g[ch][k] = pow(10.0,clamp(gain[k],G_MIN,G_MAX)/20.0)-1.0;
return AF_OK;
}
case AF_CONTROL_EQUALIZER_GAIN | AF_CONTROL_GET:{
float* gain = ((af_control_ext_t*)arg)->arg;
int ch = ((af_control_ext_t*)arg)->ch;
int k;
if(ch >= AF_NCH || ch < 0)
return AF_ERROR;
for(k = 0 ; k<KM ; k++)
gain[k] = log10(s->g[ch][k]+1.0) * 20.0;
return AF_OK;
}
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance_s* af, int cmd, void* arg)
{
af_volume_t* s = (af_volume_t*)af->setup;
switch(cmd){
case AF_CONTROL_REINIT:
// Sanity check
if(!arg) return AF_ERROR;
af->data->rate = ((af_data_t*)arg)->rate;
af->data->nch = ((af_data_t*)arg)->nch;
if(s->fast && (((af_data_t*)arg)->format != (AF_FORMAT_FLOAT_NE))){
af->data->format = AF_FORMAT_S16_NE;
af->data->bps = 2;
}
else{
// Cutoff set to 10Hz for forgetting factor
float x = 2.0*M_PI*15.0/(float)af->data->rate;
float t = 2.0-cos(x);
s->time = 1.0 - (t - sqrt(t*t - 1));
mp_msg(MSGT_AFILTER, MSGL_DBG2, "[volume] Forgetting factor = %0.5f\n",s->time);
af->data->format = AF_FORMAT_FLOAT_NE;
af->data->bps = 4;
}
return af_test_output(af,(af_data_t*)arg);
case AF_CONTROL_COMMAND_LINE:{
float v=0.0;
float vol[AF_NCH];
int i;
sscanf((char*)arg,"%f:%i", &v, &s->soft);
for(i=0;i<AF_NCH;i++) vol[i]=v;
return control(af,AF_CONTROL_VOLUME_LEVEL | AF_CONTROL_SET, vol);
}
case AF_CONTROL_POST_CREATE:
s->fast = ((((af_cfg_t*)arg)->force & AF_INIT_FORMAT_MASK) ==
AF_INIT_FLOAT) ? 0 : 1;
return AF_OK;
case AF_CONTROL_VOLUME_ON_OFF | AF_CONTROL_SET:
memcpy(s->enable,(int*)arg,AF_NCH*sizeof(int));
return AF_OK;
case AF_CONTROL_VOLUME_ON_OFF | AF_CONTROL_GET:
memcpy((int*)arg,s->enable,AF_NCH*sizeof(int));
return AF_OK;
case AF_CONTROL_VOLUME_SOFTCLIP | AF_CONTROL_SET:
s->soft = *(int*)arg;
return AF_OK;
case AF_CONTROL_VOLUME_SOFTCLIP | AF_CONTROL_GET:
*(int*)arg = s->soft;
return AF_OK;
case AF_CONTROL_VOLUME_LEVEL | AF_CONTROL_SET:
return af_from_dB(AF_NCH,(float*)arg,s->level,20.0,-200.0,60.0);
case AF_CONTROL_VOLUME_LEVEL | AF_CONTROL_GET:
return af_to_dB(AF_NCH,s->level,(float*)arg,20.0);
case AF_CONTROL_VOLUME_PROBE | AF_CONTROL_GET:
return af_to_dB(AF_NCH,s->pow,(float*)arg,10.0);
case AF_CONTROL_VOLUME_PROBE_MAX | AF_CONTROL_GET:
return af_to_dB(AF_NCH,s->max,(float*)arg,10.0);
case AF_CONTROL_PRE_DESTROY:{
float m = 0.0;
int i;
if(!s->fast){
for(i=0;i<AF_NCH;i++)
m=max(m,s->max[i]);
af_to_dB(1, &m, &m, 10.0);
mp_msg(MSGT_AFILTER, MSGL_INFO, "[volume] The maximum volume was %0.2fdB \n", m);
}
return AF_OK;
}
}
return AF_UNKNOWN;
}
// Initialization and runtime control
static int control(struct af_instance_s* af, int cmd, void* arg)
{
af_scaletempo_t* s = af->setup;
switch(cmd){
case AF_CONTROL_REINIT:{
af_data_t* data = (af_data_t*)arg;
float srate = data->rate / 1000.0f;
int nch = data->nch;
int bps;
int use_int = 0;
int frames_stride, frames_overlap;
int i, j;
mp_msg(MSGT_AFILTER, MSGL_V,
"[scaletempo] %.3f speed * %.3f scale_nominal = %.3f\n",
s->speed, s->scale_nominal, s->scale);
if (s->scale == 1.0) {
if (s->speed_tempo && s->speed_pitch)
return AF_DETACH;
memcpy(af->data, data, sizeof(af_data_t));
return af_test_output(af, data);
}
af->data->rate = data->rate;
af->data->nch = data->nch;
if ( data->format == AF_FORMAT_S16_LE
|| data->format == AF_FORMAT_S16_BE ) {
use_int = 1;
af->data->format = AF_FORMAT_S16_NE;
af->data->bps = bps = 2;
} else {
af->data->format = AF_FORMAT_FLOAT_NE;
af->data->bps = bps = 4;
}
frames_stride = srate * s->ms_stride;
s->bytes_stride = frames_stride * bps * nch;
s->bytes_stride_scaled = s->scale * s->bytes_stride;
s->frames_stride_scaled = s->scale * frames_stride;
s->frames_stride_error = 0;
af->mul = (double)s->bytes_stride / s->bytes_stride_scaled;
frames_overlap = frames_stride * s->percent_overlap;
if (frames_overlap <= 0) {
s->bytes_standing = s->bytes_stride;
s->samples_standing = s->bytes_standing / bps;
s->output_overlap = NULL;
} else {
int old_overlap = s->bytes_overlap;
s->samples_overlap = frames_overlap * nch;
s->bytes_overlap = frames_overlap * nch * bps;
s->bytes_standing = s->bytes_stride - s->bytes_overlap;
s->samples_standing = s->bytes_standing / bps;
s->buf_overlap = realloc(s->buf_overlap, s->bytes_overlap);
s->table_blend = realloc(s->table_blend, s->bytes_overlap * 4);
if(!s->buf_overlap || !s->table_blend) {
mp_msg(MSGT_AFILTER, MSGL_FATAL, "[scaletempo] Out of memory\n");
return AF_ERROR;
}
// not necessarily correct, but keeping old data if possible
// avoids clicks when changing speed.
if (s->bytes_overlap != old_overlap)
memset(s->buf_overlap, 0, s->bytes_overlap);
if (use_int) {
int32_t* pb = s->table_blend;
int64_t blend = 0;
for (i=0; i<frames_overlap; i++) {
int32_t v = blend / frames_overlap;
for (j=0; j<nch; j++) {
*pb++ = v;
}
blend += 65536; // 2^16
}
s->output_overlap = output_overlap_s16;
} else {
float* pb = s->table_blend;
for (i=0; i<frames_overlap; i++) {
float v = i / (float)frames_overlap;
for (j=0; j<nch; j++) {
*pb++ = v;
}
}
s->output_overlap = output_overlap_float;
}
}
s->frames_search = (frames_overlap > 1) ? srate * s->ms_search : 0;
if (s->frames_search <= 0) {
s->best_overlap_offset = NULL;
} else {
if (use_int) {
int64_t t = frames_overlap;
int32_t n = 8589934588LL / (t * t); // 4 * (2^31 - 1) / t^2
int32_t* pw;
s->buf_pre_corr = realloc(s->buf_pre_corr, s->bytes_overlap * 2 + UNROLL_PADDING);
s->table_window = realloc(s->table_window, s->bytes_overlap * 2 - nch * bps * 2);
if(!s->buf_pre_corr || !s->table_window) {
mp_msg(MSGT_AFILTER, MSGL_FATAL, "[scaletempo] Out of memory\n");
return AF_ERROR;
}
memset((char *)s->buf_pre_corr + s->bytes_overlap * 2, 0, UNROLL_PADDING);
pw = s->table_window;
for (i=1; i<frames_overlap; i++) {
int32_t v = ( i * (t - i) * n ) >> 15;
for (j=0; j<nch; j++) {
*pw++ = v;
}
}
s->best_overlap_offset = best_overlap_offset_s16;
} else {
float* pw;
s->buf_pre_corr = realloc(s->buf_pre_corr, s->bytes_overlap);
s->table_window = realloc(s->table_window, s->bytes_overlap - nch * bps);
if(!s->buf_pre_corr || !s->table_window) {
mp_msg(MSGT_AFILTER, MSGL_FATAL, "[scaletempo] Out of memory\n");
return AF_ERROR;
}
pw = s->table_window;
for (i=1; i<frames_overlap; i++) {
float v = i * (frames_overlap - i);
for (j=0; j<nch; j++) {
*pw++ = v;
}
}
s->best_overlap_offset = best_overlap_offset_float;
}
}
s->bytes_per_frame = bps * nch;
s->num_channels = nch;
s->bytes_queue
= (s->frames_search + frames_stride + frames_overlap) * bps * nch;
s->buf_queue = realloc(s->buf_queue, s->bytes_queue + UNROLL_PADDING);
if(!s->buf_queue) {
mp_msg(MSGT_AFILTER, MSGL_FATAL, "[scaletempo] Out of memory\n");
return AF_ERROR;
}
mp_msg (MSGT_AFILTER, MSGL_DBG2, "[scaletempo] "
"%.2f stride_in, %i stride_out, %i standing, "
"%i overlap, %i search, %i queue, %s mode\n",
s->frames_stride_scaled,
(int)(s->bytes_stride / nch / bps),
(int)(s->bytes_standing / nch / bps),
(int)(s->bytes_overlap / nch / bps),
s->frames_search,
(int)(s->bytes_queue / nch / bps),
(use_int?"s16":"float"));
return af_test_output(af, (af_data_t*)arg);
}
case AF_CONTROL_PLAYBACK_SPEED | AF_CONTROL_SET:{
if (s->speed_tempo) {
if (s->speed_pitch) {
break;
}
s->speed = *(float*)arg;
s->scale = s->speed * s->scale_nominal;
} else {
if (s->speed_pitch) {
s->speed = 1 / *(float*)arg;
s->scale = s->speed * s->scale_nominal;
break;
}
}
return AF_OK;
}
case AF_CONTROL_SCALETEMPO_AMOUNT | AF_CONTROL_SET:{
s->scale = *(float*)arg;
return AF_OK;
}
case AF_CONTROL_SCALETEMPO_AMOUNT | AF_CONTROL_GET:
*(float*)arg = s->scale;
return AF_OK;
case AF_CONTROL_COMMAND_LINE:{
strarg_t speed = {};
opt_t subopts[] = {
{"scale", OPT_ARG_FLOAT, &s->scale_nominal, NULL},
{"stride", OPT_ARG_FLOAT, &s->ms_stride, NULL},
{"overlap", OPT_ARG_FLOAT, &s->percent_overlap, NULL},
{"search", OPT_ARG_FLOAT, &s->ms_search, NULL},
{"speed", OPT_ARG_STR, &speed, NULL},
{NULL},
};
if (subopt_parse(arg, subopts) != 0) {
return AF_ERROR;
}
if (s->scale_nominal <= 0) {
mp_msg(MSGT_AFILTER, MSGL_ERR, "[scaletempo] "
MSGTR_ErrorParsingCommandLine ": " MSGTR_AF_ValueOutOfRange
": scale > 0\n");
return AF_ERROR;
}
if (s->ms_stride <= 0) {
mp_msg(MSGT_AFILTER, MSGL_ERR, "[scaletempo] "
MSGTR_ErrorParsingCommandLine ": " MSGTR_AF_ValueOutOfRange
": stride > 0\n");
return AF_ERROR;
}
if (s->percent_overlap < 0 || s->percent_overlap > 1) {
mp_msg(MSGT_AFILTER, MSGL_ERR, "[scaletempo] "
MSGTR_ErrorParsingCommandLine ": " MSGTR_AF_ValueOutOfRange
": 0 <= overlap <= 1\n");
return AF_ERROR;
}
if (s->ms_search < 0) {
mp_msg(MSGT_AFILTER, MSGL_ERR, "[scaletempo] "
MSGTR_ErrorParsingCommandLine ": " MSGTR_AF_ValueOutOfRange
": search >= 0\n");
return AF_ERROR;
}
if (speed.len > 0) {
if (strcmp(speed.str, "pitch") == 0) {
s->speed_tempo = 0;
s->speed_pitch = 1;
} else if (strcmp(speed.str, "tempo") == 0) {
s->speed_tempo = 1;
s->speed_pitch = 0;
} else if (strcmp(speed.str, "none") == 0) {
s->speed_tempo = 0;
s->speed_pitch = 0;
} else if (strcmp(speed.str, "both") == 0) {
s->speed_tempo = 1;
s->speed_pitch = 1;
} else {
mp_msg(MSGT_AFILTER, MSGL_ERR, "[scaletempo] "
MSGTR_ErrorParsingCommandLine ": " MSGTR_AF_ValueOutOfRange
": speed=[pitch|tempo|none|both]\n");
return AF_ERROR;
}
}
s->scale = s->speed * s->scale_nominal;
mp_msg(MSGT_AFILTER, MSGL_DBG2, "[scaletempo] %6.3f scale, %6.2f stride, %6.2f overlap, %6.2f search, speed = %s\n", s->scale_nominal, s->ms_stride, s->percent_overlap, s->ms_search, (s->speed_tempo?(s->speed_pitch?"tempo and speed":"tempo"):(s->speed_pitch?"pitch":"none")));
return AF_OK;
}
}
// Initialization and runtime control
static int control(struct af_instance_s *af, int cmd, void *arg)
{
af_ac3enc_t *s = (af_ac3enc_t *)af->setup;
af_data_t *data = (af_data_t *)arg;
int i, bit_rate, test_output_res;
static const int default_bit_rate[AC3_MAX_CHANNELS+1] = \
{0, 96000, 192000, 256000, 384000, 448000, 448000};
switch (cmd){
case AF_CONTROL_REINIT:
if (AF_FORMAT_IS_AC3(data->format) || data->nch < s->min_channel_num)
return AF_DETACH;
s->pending_len = 0;
s->expect_len = AC3_FRAME_SIZE * data->nch * data->bps;
if (s->add_iec61937_header)
af->mul = (double)AC3_FRAME_SIZE * 2 * 2 / s->expect_len;
else
af->mul = (double)AC3_MAX_CODED_FRAME_SIZE / s->expect_len;
mp_msg(MSGT_AFILTER, MSGL_DBG2, "af_lavcac3enc reinit: %d, %d, %f, %d.\n",
data->nch, data->rate, af->mul, s->expect_len);
af->data->format = AF_FORMAT_S16_NE;
if (data->rate == 48000 || data->rate == 44100 || data->rate == 32000)
af->data->rate = data->rate;
else
af->data->rate = 48000;
if (data->nch > AC3_MAX_CHANNELS)
af->data->nch = AC3_MAX_CHANNELS;
else
af->data->nch = data->nch;
af->data->bps = 2;
test_output_res = af_test_output(af, data);
bit_rate = s->bit_rate ? s->bit_rate : default_bit_rate[af->data->nch];
if (s->lavc_actx->channels != af->data->nch ||
s->lavc_actx->sample_rate != af->data->rate ||
s->lavc_actx->bit_rate != bit_rate) {
if (s->lavc_actx->codec)
avcodec_close(s->lavc_actx);
// Put sample parameters
s->lavc_actx->channels = af->data->nch;
s->lavc_actx->sample_rate = af->data->rate;
s->lavc_actx->bit_rate = bit_rate;
if(avcodec_open(s->lavc_actx, s->lavc_acodec) < 0) {
mp_msg(MSGT_AFILTER, MSGL_ERR, MSGTR_CouldntOpenCodec, "ac3", bit_rate);
return AF_ERROR;
}
}
af->data->format = AF_FORMAT_AC3_BE;
af->data->nch = 2;
return test_output_res;
case AF_CONTROL_COMMAND_LINE:
mp_msg(MSGT_AFILTER, MSGL_DBG2, "af_lavcac3enc cmdline: %s.\n", (char*)arg);
s->bit_rate = 0;
s->min_channel_num = 0;
s->add_iec61937_header = 0;
sscanf((char*)arg,"%d:%d:%d", &s->add_iec61937_header, &s->bit_rate,
&s->min_channel_num);
if (s->bit_rate < 1000)
s->bit_rate *= 1000;
if (s->bit_rate) {
for (i = 0; i < 19; ++i)
if (ff_ac3_bitrate_tab[i] * 1000 == s->bit_rate)
break;
if (i >= 19) {
mp_msg(MSGT_AFILTER, MSGL_WARN, "af_lavcac3enc unable set unsupported "
"bitrate %d, use default bitrate (check manpage to see "
"supported bitrates).\n", s->bit_rate);
s->bit_rate = 0;
}
}
if (s->min_channel_num == 0)
s->min_channel_num = 5;
mp_msg(MSGT_AFILTER, MSGL_V, "af_lavcac3enc config spdif:%d, bitrate:%d, "
"minchnum:%d.\n", s->add_iec61937_header, s->bit_rate,
s->min_channel_num);
return AF_OK;
}
return AF_UNKNOWN;
}