#include <string.h>
#include <samplerate.h>
+
#include <liboil/liboilfuncs.h>
#include <liboil/liboil.h>
#include <pulsecore/log.h>
#include <pulsecore/macro.h>
+#include "speexwrap.h"
+
#include "resampler.h"
struct pa_resampler {
pa_resample_method_t resample_method;
pa_sample_spec i_ss, o_ss;
pa_channel_map i_cm, o_cm;
- size_t i_fz, o_fz;
+ size_t i_fz, o_fz, w_sz;
pa_mempool *mempool;
- void (*impl_free)(pa_resampler *r);
- void (*impl_update_input_rate)(pa_resampler *r, uint32_t rate);
- void (*impl_update_output_rate)(pa_resampler *r, uint32_t rate);
- void (*impl_run)(pa_resampler *r, const pa_memchunk *in, pa_memchunk *out);
- void *impl_data;
-};
-
-struct impl_libsamplerate {
pa_memchunk buf1, buf2, buf3, buf4;
unsigned buf1_samples, buf2_samples, buf3_samples, buf4_samples;
- pa_convert_to_float32ne_func_t to_float32ne_func;
- pa_convert_from_float32ne_func_t from_float32ne_func;
- SRC_STATE *src_state;
+ pa_sample_format_t work_format;
+
+ pa_convert_func_t to_work_format_func;
+ pa_convert_func_t from_work_format_func;
int map_table[PA_CHANNELS_MAX][PA_CHANNELS_MAX];
int map_required;
-};
-struct impl_trivial {
- unsigned o_counter;
- unsigned i_counter;
+ void (*impl_free)(pa_resampler *r);
+ void (*impl_update_rates)(pa_resampler *r);
+ void (*impl_resample)(pa_resampler *r, const pa_memchunk *in, unsigned in_samples, pa_memchunk *out, unsigned *out_samples);
+
+ struct { /* data specific to the trivial resampler */
+ unsigned o_counter;
+ unsigned i_counter;
+ } trivial;
+
+ struct { /* data specific to libsamplerate */
+ SRC_STATE *state;
+ } src;
+
+ struct { /* data specific to speex */
+ SpeexResamplerState* state;
+ } speex;
};
static int libsamplerate_init(pa_resampler*r);
static int trivial_init(pa_resampler*r);
+static int speex_init(pa_resampler*r);
+
+static void calc_map_table(pa_resampler *r);
+
+static int (* const init_table[])(pa_resampler*r) = {
+ [PA_RESAMPLER_SRC_SINC_BEST_QUALITY] = libsamplerate_init,
+ [PA_RESAMPLER_SRC_SINC_MEDIUM_QUALITY] = libsamplerate_init,
+ [PA_RESAMPLER_SRC_SINC_FASTEST] = libsamplerate_init,
+ [PA_RESAMPLER_SRC_ZERO_ORDER_HOLD] = libsamplerate_init,
+ [PA_RESAMPLER_SRC_LINEAR] = libsamplerate_init,
+ [PA_RESAMPLER_TRIVIAL] = trivial_init,
+ [PA_RESAMPLER_SPEEX_FLOAT_BASE+0] = speex_init,
+ [PA_RESAMPLER_SPEEX_FLOAT_BASE+1] = speex_init,
+ [PA_RESAMPLER_SPEEX_FLOAT_BASE+2] = speex_init,
+ [PA_RESAMPLER_SPEEX_FLOAT_BASE+3] = speex_init,
+ [PA_RESAMPLER_SPEEX_FLOAT_BASE+4] = speex_init,
+ [PA_RESAMPLER_SPEEX_FLOAT_BASE+5] = speex_init,
+ [PA_RESAMPLER_SPEEX_FLOAT_BASE+6] = speex_init,
+ [PA_RESAMPLER_SPEEX_FLOAT_BASE+7] = speex_init,
+ [PA_RESAMPLER_SPEEX_FLOAT_BASE+8] = speex_init,
+ [PA_RESAMPLER_SPEEX_FLOAT_BASE+9] = speex_init,
+ [PA_RESAMPLER_SPEEX_FLOAT_BASE+10] = speex_init,
+ [PA_RESAMPLER_SPEEX_FIXED_BASE+0] = speex_init,
+ [PA_RESAMPLER_SPEEX_FIXED_BASE+1] = speex_init,
+ [PA_RESAMPLER_SPEEX_FIXED_BASE+2] = speex_init,
+ [PA_RESAMPLER_SPEEX_FIXED_BASE+3] = speex_init,
+ [PA_RESAMPLER_SPEEX_FIXED_BASE+4] = speex_init,
+ [PA_RESAMPLER_SPEEX_FIXED_BASE+5] = speex_init,
+ [PA_RESAMPLER_SPEEX_FIXED_BASE+6] = speex_init,
+ [PA_RESAMPLER_SPEEX_FIXED_BASE+7] = speex_init,
+ [PA_RESAMPLER_SPEEX_FIXED_BASE+8] = speex_init,
+ [PA_RESAMPLER_SPEEX_FIXED_BASE+9] = speex_init,
+ [PA_RESAMPLER_SPEEX_FIXED_BASE+10] = speex_init,
+ [PA_RESAMPLER_AUTO] = NULL,
+};
+
+static inline size_t sample_size(pa_sample_format_t f) {
+ pa_sample_spec ss = {
+ .format = f,
+ .rate = 0,
+ .channels = 1
+ };
+
+ return pa_sample_size(&ss);
+}
pa_resampler* pa_resampler_new(
pa_mempool *pool,
pa_assert(b);
pa_assert(pa_sample_spec_valid(a));
pa_assert(pa_sample_spec_valid(b));
- pa_assert(resample_method != PA_RESAMPLER_INVALID);
-
+ pa_assert(resample_method >= 0);
+ pa_assert(resample_method < PA_RESAMPLER_MAX);
+
+ /* Fix method */
+ if (resample_method == PA_RESAMPLER_AUTO) {
+ if (a->format == PA_SAMPLE_FLOAT32LE || a->format == PA_SAMPLE_FLOAT32BE ||
+ b->format == PA_SAMPLE_FLOAT32LE || b->format == PA_SAMPLE_FLOAT32BE)
+ resample_method = PA_RESAMPLER_SPEEX_FLOAT_BASE + 0;
+ else
+ resample_method = PA_RESAMPLER_SPEEX_FIXED_BASE + 0;
+ }
+
r = pa_xnew(pa_resampler, 1);
- r->impl_data = NULL;
r->mempool = pool;
r->resample_method = resample_method;
r->impl_free = NULL;
- r->impl_update_input_rate = NULL;
- r->impl_run = NULL;
+ r->impl_update_rates = NULL;
+ r->impl_resample = NULL;
/* Fill sample specs */
r->i_ss = *a;
r->i_fz = pa_frame_size(a);
r->o_fz = pa_frame_size(b);
- /* Choose implementation */
- if (a->channels != b->channels ||
- a->format != b->format ||
- !pa_channel_map_equal(&r->i_cm, &r->o_cm) ||
- resample_method != PA_RESAMPLER_TRIVIAL) {
+ pa_memchunk_reset(&r->buf1);
+ pa_memchunk_reset(&r->buf2);
+ pa_memchunk_reset(&r->buf3);
+ pa_memchunk_reset(&r->buf4);
+
+ r->buf1_samples = r->buf2_samples = r->buf3_samples = r->buf4_samples = 0;
- /* Use the libsamplerate based resampler for the complicated cases */
- if (resample_method == PA_RESAMPLER_TRIVIAL)
- r->resample_method = PA_RESAMPLER_SRC_ZERO_ORDER_HOLD;
+ calc_map_table(r);
- if (libsamplerate_init(r) < 0)
+ pa_log_info("Using resampler '%s'", pa_resample_method_to_string(resample_method));
+
+ if (resample_method >= PA_RESAMPLER_SPEEX_FIXED_BASE && resample_method <= PA_RESAMPLER_SPEEX_FIXED_MAX)
+ r->work_format = PA_SAMPLE_S16NE;
+ else if (resample_method == PA_RESAMPLER_TRIVIAL) {
+
+ if (r->map_required || a->format != b->format) {
+
+ if (a->format == PA_SAMPLE_FLOAT32NE || a->format == PA_SAMPLE_FLOAT32RE)
+ r->work_format = PA_SAMPLE_FLOAT32NE;
+ else
+ r->work_format = PA_SAMPLE_S16NE;
+
+ } else
+ r->work_format = a->format;
+
+ } else
+ r->work_format = PA_SAMPLE_FLOAT32NE;
+
+ r->w_sz = sample_size(r->work_format);
+
+ if (r->i_ss.format == r->work_format)
+ r->to_work_format_func = NULL;
+ else if (r->work_format == PA_SAMPLE_FLOAT32NE) {
+ if (!(r->to_work_format_func = pa_get_convert_to_float32ne_function(r->i_ss.format)))
goto fail;
+ } else {
+ pa_assert(r->work_format == PA_SAMPLE_S16NE);
+ if (!(r->to_work_format_func = pa_get_convert_to_s16ne_function(r->i_ss.format)))
+ goto fail;
+ }
+ if (r->o_ss.format == r->work_format)
+ r->from_work_format_func = NULL;
+ else if (r->work_format == PA_SAMPLE_FLOAT32NE) {
+ if (!(r->from_work_format_func = pa_get_convert_from_float32ne_function(r->o_ss.format)))
+ goto fail;
} else {
- /* Use our own simple non-fp resampler for the trivial cases and when the user selects it */
- if (trivial_init(r) < 0)
+ pa_assert(r->work_format == PA_SAMPLE_S16NE);
+ if (!(r->from_work_format_func = pa_get_convert_from_s16ne_function(r->o_ss.format)))
goto fail;
}
+ /* initialize implementation */
+ if (init_table[resample_method](r) < 0)
+ goto fail;
+
return r;
fail:
if (r->impl_free)
r->impl_free(r);
+ if (r->buf1.memblock)
+ pa_memblock_unref(r->buf1.memblock);
+ if (r->buf2.memblock)
+ pa_memblock_unref(r->buf2.memblock);
+ if (r->buf3.memblock)
+ pa_memblock_unref(r->buf3.memblock);
+ if (r->buf4.memblock)
+ pa_memblock_unref(r->buf4.memblock);
+
pa_xfree(r);
}
return;
r->i_ss.rate = rate;
-
- if (r->impl_update_input_rate)
- r->impl_update_input_rate(r, rate);
+ r->impl_update_rates(r);
}
void pa_resampler_set_output_rate(pa_resampler *r, uint32_t rate) {
return;
r->o_ss.rate = rate;
-
- if (r->impl_update_output_rate)
- r->impl_update_output_rate(r, rate);
-}
-
-void pa_resampler_run(pa_resampler *r, const pa_memchunk *in, pa_memchunk *out) {
- pa_assert(r && in && out && r->impl_run);
-
- r->impl_run(r, in, out);
+ r->impl_update_rates(r);
}
size_t pa_resampler_request(pa_resampler *r, size_t out_length) {
pa_resample_method_t pa_resampler_get_method(pa_resampler *r) {
pa_assert(r);
+
return r->resample_method;
}
"src-sinc-fastest",
"src-zero-order-hold",
"src-linear",
- "trivial"
+ "trivial",
+ "speex-float-0",
+ "speex-float-1",
+ "speex-float-2",
+ "speex-float-3",
+ "speex-float-4",
+ "speex-float-5",
+ "speex-float-6",
+ "speex-float-7",
+ "speex-float-8",
+ "speex-float-9",
+ "speex-float-10",
+ "speex-fixed-0",
+ "speex-fixed-1",
+ "speex-fixed-2",
+ "speex-fixed-3",
+ "speex-fixed-4",
+ "speex-fixed-5",
+ "speex-fixed-6",
+ "speex-fixed-7",
+ "speex-fixed-8",
+ "speex-fixed-9",
+ "speex-fixed-10",
+ "auto"
};
const char *pa_resample_method_to_string(pa_resample_method_t m) {
if (!strcmp(string, resample_methods[m]))
return m;
- return PA_RESAMPLER_INVALID;
-}
-
+ if (!strcmp(string, "speex-fixed"))
+ return PA_RESAMPLER_SPEEX_FIXED_BASE + 0;
-/*** libsamplerate based implementation ***/
+ if (!strcmp(string, "speex-float"))
+ return PA_RESAMPLER_SPEEX_FLOAT_BASE + 0;
-static void libsamplerate_free(pa_resampler *r) {
- struct impl_libsamplerate *u;
-
- pa_assert(r);
- pa_assert(r->impl_data);
-
- u = r->impl_data;
-
- if (u->src_state)
- src_delete(u->src_state);
-
- if (u->buf1.memblock)
- pa_memblock_unref(u->buf1.memblock);
- if (u->buf2.memblock)
- pa_memblock_unref(u->buf2.memblock);
- if (u->buf3.memblock)
- pa_memblock_unref(u->buf3.memblock);
- if (u->buf4.memblock)
- pa_memblock_unref(u->buf4.memblock);
- pa_xfree(u);
+ return PA_RESAMPLER_INVALID;
}
static void calc_map_table(pa_resampler *r) {
- struct impl_libsamplerate *u;
unsigned oc;
pa_assert(r);
- pa_assert(r->impl_data);
-
- u = r->impl_data;
- if (!(u->map_required = (r->i_ss.channels != r->o_ss.channels || !pa_channel_map_equal(&r->i_cm, &r->o_cm))))
+ if (!(r->map_required = (r->i_ss.channels != r->o_ss.channels || !pa_channel_map_equal(&r->i_cm, &r->o_cm))))
return;
for (oc = 0; oc < r->o_ss.channels; oc++) {
(a == PA_CHANNEL_POSITION_LEFT && b == PA_CHANNEL_POSITION_MONO) ||
(a == PA_CHANNEL_POSITION_RIGHT && b == PA_CHANNEL_POSITION_MONO))
- u->map_table[oc][i++] = ic;
+ r->map_table[oc][i++] = ic;
}
/* Add an end marker */
if (i < PA_CHANNELS_MAX)
- u->map_table[oc][i] = -1;
+ r->map_table[oc][i] = -1;
}
}
-static pa_memchunk* convert_to_float(pa_resampler *r, pa_memchunk *input) {
- struct impl_libsamplerate *u;
+static pa_memchunk* convert_to_work_format(pa_resampler *r, pa_memchunk *input) {
unsigned n_samples;
void *src, *dst;
pa_assert(input);
pa_assert(input->memblock);
- pa_assert(r->impl_data);
- u = r->impl_data;
-
- /* Convert the incoming sample into floats and place them in buf1 */
+ /* Convert the incoming sample into the work sample format and place them in buf1 */
- if (!u->to_float32ne_func || !input->length)
+ if (!r->to_work_format_func || !input->length)
return input;
n_samples = (input->length / r->i_fz) * r->i_ss.channels;
- if (!u->buf1.memblock || u->buf1_samples < n_samples) {
- if (u->buf1.memblock)
- pa_memblock_unref(u->buf1.memblock);
+ r->buf1.index = 0;
+ r->buf1.length = r->w_sz * n_samples;
+
+ if (!r->buf1.memblock || r->buf1_samples < n_samples) {
+ if (r->buf1.memblock)
+ pa_memblock_unref(r->buf1.memblock);
- u->buf1_samples = n_samples;
- u->buf1.memblock = pa_memblock_new(r->mempool, u->buf1.length = sizeof(float) * n_samples);
- u->buf1.index = 0;
+ r->buf1_samples = n_samples;
+ r->buf1.memblock = pa_memblock_new(r->mempool, r->buf1.length);
}
src = (uint8_t*) pa_memblock_acquire(input->memblock) + input->index;
- dst = (uint8_t*) pa_memblock_acquire(u->buf1.memblock);
+ dst = (uint8_t*) pa_memblock_acquire(r->buf1.memblock);
- u->to_float32ne_func(n_samples, src, dst);
+ r->to_work_format_func(n_samples, src, dst);
pa_memblock_release(input->memblock);
- pa_memblock_release(u->buf1.memblock);
-
- u->buf1.length = sizeof(float) * n_samples;
+ pa_memblock_release(r->buf1.memblock);
- return &u->buf1;
+ return &r->buf1;
}
static pa_memchunk *remap_channels(pa_resampler *r, pa_memchunk *input) {
- struct impl_libsamplerate *u;
unsigned in_n_samples, out_n_samples, n_frames;
int i_skip, o_skip;
unsigned oc;
- float *src, *dst;
+ void *src, *dst;
pa_assert(r);
pa_assert(input);
pa_assert(input->memblock);
- pa_assert(r->impl_data);
- u = r->impl_data;
-
/* Remap channels and place the result int buf2 */
- if (!u->map_required || !input->length)
+ if (!r->map_required || !input->length)
return input;
- in_n_samples = input->length / sizeof(float);
+ in_n_samples = input->length / r->w_sz;
n_frames = in_n_samples / r->i_ss.channels;
out_n_samples = n_frames * r->o_ss.channels;
- if (!u->buf2.memblock || u->buf2_samples < out_n_samples) {
- if (u->buf2.memblock)
- pa_memblock_unref(u->buf2.memblock);
+ r->buf2.index = 0;
+ r->buf2.length = r->w_sz * out_n_samples;
+
+ if (!r->buf2.memblock || r->buf2_samples < out_n_samples) {
+ if (r->buf2.memblock)
+ pa_memblock_unref(r->buf2.memblock);
- u->buf2_samples = out_n_samples;
- u->buf2.memblock = pa_memblock_new(r->mempool, u->buf2.length = sizeof(float) * out_n_samples);
- u->buf2.index = 0;
+ r->buf2_samples = out_n_samples;
+ r->buf2.memblock = pa_memblock_new(r->mempool, r->buf2.length);
}
- src = (float*) ((uint8_t*) pa_memblock_acquire(input->memblock) + input->index);
- dst = (float*) pa_memblock_acquire(u->buf2.memblock);
-
- memset(dst, 0, u->buf2.length);
-
- o_skip = sizeof(float) * r->o_ss.channels;
- i_skip = sizeof(float) * r->i_ss.channels;
-
- for (oc = 0; oc < r->o_ss.channels; oc++) {
- unsigned i;
- static const float one = 1.0;
-
- for (i = 0; i < PA_CHANNELS_MAX && u->map_table[oc][i] >= 0; i++)
- oil_vectoradd_f32(
- dst + oc, o_skip,
- dst + oc, o_skip,
- src + u->map_table[oc][i], i_skip,
- n_frames,
- &one, &one);
+ src = ((uint8_t*) pa_memblock_acquire(input->memblock) + input->index);
+ dst = pa_memblock_acquire(r->buf2.memblock);
+
+ memset(dst, 0, r->buf2.length);
+
+ o_skip = r->w_sz * r->o_ss.channels;
+ i_skip = r->w_sz * r->i_ss.channels;
+
+ switch (r->work_format) {
+ case PA_SAMPLE_FLOAT32NE:
+
+ for (oc = 0; oc < r->o_ss.channels; oc++) {
+ unsigned i;
+ static const float one = 1.0;
+
+ for (i = 0; i < PA_CHANNELS_MAX && r->map_table[oc][i] >= 0; i++)
+ oil_vectoradd_f32(
+ (float*) dst + oc, o_skip,
+ (float*) dst + oc, o_skip,
+ (float*) src + r->map_table[oc][i], i_skip,
+ n_frames,
+ &one, &one);
+ }
+
+ break;
+
+ case PA_SAMPLE_S16NE:
+
+ for (oc = 0; oc < r->o_ss.channels; oc++) {
+ unsigned i;
+ static const int16_t one = 1;
+
+ for (i = 0; i < PA_CHANNELS_MAX && r->map_table[oc][i] >= 0; i++)
+ oil_vectoradd_s16(
+ (int16_t*) dst + oc, o_skip,
+ (int16_t*) dst + oc, o_skip,
+ (int16_t*) src + r->map_table[oc][i], i_skip,
+ n_frames,
+ &one, &one);
+ }
+
+ break;
+
+ default:
+ pa_assert_not_reached();
}
pa_memblock_release(input->memblock);
- pa_memblock_release(u->buf2.memblock);
+ pa_memblock_release(r->buf2.memblock);
- u->buf2.length = out_n_samples * sizeof(float);
+ r->buf2.length = out_n_samples * r->w_sz;
- return &u->buf2;
+ return &r->buf2;
}
static pa_memchunk *resample(pa_resampler *r, pa_memchunk *input) {
- struct impl_libsamplerate *u;
- SRC_DATA data;
unsigned in_n_frames, in_n_samples;
unsigned out_n_frames, out_n_samples;
- int ret;
pa_assert(r);
pa_assert(input);
- pa_assert(r->impl_data);
- u = r->impl_data;
/* Resample the data and place the result in buf3 */
- if (!u->src_state || !input->length)
+ if (!r->impl_resample || !input->length)
return input;
- in_n_samples = input->length / sizeof(float);
+ in_n_samples = input->length / r->w_sz;
in_n_frames = in_n_samples / r->o_ss.channels;
out_n_frames = ((in_n_frames*r->o_ss.rate)/r->i_ss.rate)+1024;
out_n_samples = out_n_frames * r->o_ss.channels;
- if (!u->buf3.memblock || u->buf3_samples < out_n_samples) {
- if (u->buf3.memblock)
- pa_memblock_unref(u->buf3.memblock);
+ r->buf3.index = 0;
+ r->buf3.length = r->w_sz * out_n_samples;
+
+ if (!r->buf3.memblock || r->buf3_samples < out_n_samples) {
+ if (r->buf3.memblock)
+ pa_memblock_unref(r->buf3.memblock);
- u->buf3_samples = out_n_samples;
- u->buf3.memblock = pa_memblock_new(r->mempool, u->buf3.length = sizeof(float) * out_n_samples);
- u->buf3.index = 0;
+ r->buf3_samples = out_n_samples;
+ r->buf3.memblock = pa_memblock_new(r->mempool, r->buf3.length);
}
- data.data_in = (float*) ((uint8_t*) pa_memblock_acquire(input->memblock) + input->index);
- data.input_frames = in_n_frames;
-
- data.data_out = (float*) pa_memblock_acquire(u->buf3.memblock);
- data.output_frames = out_n_frames;
-
- data.src_ratio = (double) r->o_ss.rate / r->i_ss.rate;
- data.end_of_input = 0;
-
- ret = src_process(u->src_state, &data);
- pa_assert(ret == 0);
- pa_assert((unsigned) data.input_frames_used == in_n_frames);
-
- pa_memblock_release(input->memblock);
- pa_memblock_release(u->buf3.memblock);
-
- u->buf3.length = data.output_frames_gen * sizeof(float) * r->o_ss.channels;
-
- return &u->buf3;
+ r->impl_resample(r, input, in_n_frames, &r->buf3, &out_n_frames);
+ r->buf3.length = out_n_frames * r->w_sz * r->o_ss.channels;
+
+ return &r->buf3;
}
-static pa_memchunk *convert_from_float(pa_resampler *r, pa_memchunk *input) {
- struct impl_libsamplerate *u;
+static pa_memchunk *convert_from_work_format(pa_resampler *r, pa_memchunk *input) {
unsigned n_samples, n_frames;
void *src, *dst;
pa_assert(r);
pa_assert(input);
- pa_assert(r->impl_data);
- u = r->impl_data;
/* Convert the data into the correct sample type and place the result in buf4 */
- if (!u->from_float32ne_func || !input->length)
+ if (!r->from_work_format_func || !input->length)
return input;
- n_frames = input->length / sizeof(float) / r->o_ss.channels;
- n_samples = n_frames * r->o_ss.channels;
+ n_samples = input->length / r->w_sz;
+ n_frames = n_samples / r->o_ss.channels;
- if (!u->buf4.memblock || u->buf4_samples < n_samples) {
- if (u->buf4.memblock)
- pa_memblock_unref(u->buf4.memblock);
+ r->buf4.index = 0;
+ r->buf4.length = r->o_fz * n_frames;
+
+ if (!r->buf4.memblock || r->buf4_samples < n_samples) {
+ if (r->buf4.memblock)
+ pa_memblock_unref(r->buf4.memblock);
- u->buf4_samples = n_samples;
- u->buf4.memblock = pa_memblock_new(r->mempool, u->buf4.length = r->o_fz * n_frames);
- u->buf4.index = 0;
+ r->buf4_samples = n_samples;
+ r->buf4.memblock = pa_memblock_new(r->mempool, r->buf4.length);
}
src = (uint8_t*) pa_memblock_acquire(input->memblock) + input->index;
- dst = pa_memblock_acquire(u->buf4.memblock);
- u->from_float32ne_func(n_samples, src, dst);
+ dst = pa_memblock_acquire(r->buf4.memblock);
+ r->from_work_format_func(n_samples, src, dst);
pa_memblock_release(input->memblock);
- pa_memblock_release(u->buf4.memblock);
+ pa_memblock_release(r->buf4.memblock);
- u->buf4.length = r->o_fz * n_frames;
+ r->buf4.length = r->o_fz * n_frames;
- return &u->buf4;
+ return &r->buf4;
}
-static void libsamplerate_run(pa_resampler *r, const pa_memchunk *in, pa_memchunk *out) {
- struct impl_libsamplerate *u;
+void pa_resampler_run(pa_resampler *r, const pa_memchunk *in, pa_memchunk *out) {
pa_memchunk *buf;
pa_assert(r);
pa_assert(in->length);
pa_assert(in->memblock);
pa_assert(in->length % r->i_fz == 0);
- pa_assert(r->impl_data);
-
- u = r->impl_data;
buf = (pa_memchunk*) in;
- buf = convert_to_float(r, buf);
+ buf = convert_to_work_format(r, buf);
buf = remap_channels(r, buf);
buf = resample(r, buf);
if (buf->length) {
- buf = convert_from_float(r, buf);
+ buf = convert_from_work_format(r, buf);
*out = *buf;
-
+
if (buf == in)
pa_memblock_ref(buf->memblock);
else
pa_memchunk_reset(out);
}
-static void libsamplerate_update_input_rate(pa_resampler *r, uint32_t rate) {
- struct impl_libsamplerate *u;
+/*** libsamplerate based implementation ***/
+static void libsamplerate_resample(pa_resampler *r, const pa_memchunk *input, unsigned in_n_frames, pa_memchunk *output, unsigned *out_n_frames) {
+ SRC_DATA data;
+
pa_assert(r);
- pa_assert(rate > 0);
- pa_assert(r->impl_data);
- u = r->impl_data;
+ pa_assert(input);
+ pa_assert(output);
+ pa_assert(out_n_frames);
+
+ memset(&data, 0, sizeof(data));
+
+ data.data_in = (float*) ((uint8_t*) pa_memblock_acquire(input->memblock) + input->index);
+ data.input_frames = in_n_frames;
- if (!u->src_state) {
- int err;
- u->src_state = src_new(r->resample_method, r->o_ss.channels, &err);
- pa_assert(u->src_state);
- } else {
- int ret = src_set_ratio(u->src_state, (double) r->o_ss.rate / rate);
- pa_assert(ret == 0);
- }
-}
+ data.data_out = (float*) ((uint8_t*) pa_memblock_acquire(output->memblock) + output->index);
+ data.output_frames = *out_n_frames;
-static void libsamplerate_update_output_rate(pa_resampler *r, uint32_t rate) {
- struct impl_libsamplerate *u;
+ data.src_ratio = (double) r->o_ss.rate / r->i_ss.rate;
+ data.end_of_input = 0;
+
+ pa_assert_se(src_process(r->src.state, &data) == 0);
+ pa_assert((unsigned) data.input_frames_used == in_n_frames);
+
+ pa_memblock_release(input->memblock);
+ pa_memblock_release(output->memblock);
+ *out_n_frames = data.output_frames_gen;
+}
+
+static void libsamplerate_update_rates(pa_resampler *r) {
pa_assert(r);
- pa_assert(rate > 0);
- pa_assert(r->impl_data);
- u = r->impl_data;
- if (!u->src_state) {
- int err;
- u->src_state = src_new(r->resample_method, r->o_ss.channels, &err);
- pa_assert(u->src_state);
- } else {
- int ret = src_set_ratio(u->src_state, (double) rate / r->i_ss.rate);
- pa_assert(ret == 0);
- }
+ pa_assert_se(src_set_ratio(r->src.state, (double) r->o_ss.rate / r->i_ss.rate) == 0);
+}
+
+static void libsamplerate_free(pa_resampler *r) {
+ pa_assert(r);
+
+ if (r->src.state)
+ src_delete(r->src.state);
}
static int libsamplerate_init(pa_resampler *r) {
- struct impl_libsamplerate *u = NULL;
int err;
+
+ pa_assert(r);
+
+ if (!(r->src.state = src_new(r->resample_method, r->o_ss.channels, &err)))
+ return -1;
- r->impl_data = u = pa_xnew(struct impl_libsamplerate, 1);
-
- pa_memchunk_reset(&u->buf1);
- pa_memchunk_reset(&u->buf2);
- pa_memchunk_reset(&u->buf3);
- pa_memchunk_reset(&u->buf4);
- u->buf1_samples = u->buf2_samples = u->buf3_samples = u->buf4_samples = 0;
+ r->impl_free = libsamplerate_free;
+ r->impl_update_rates = libsamplerate_update_rates;
+ r->impl_resample = libsamplerate_resample;
- if (r->i_ss.format == PA_SAMPLE_FLOAT32NE)
- u->to_float32ne_func = NULL;
- else if (!(u->to_float32ne_func = pa_get_convert_to_float32ne_function(r->i_ss.format)))
- goto fail;
+ return 0;
+}
- if (r->o_ss.format == PA_SAMPLE_FLOAT32NE)
- u->from_float32ne_func = NULL;
- else if (!(u->from_float32ne_func = pa_get_convert_from_float32ne_function(r->o_ss.format)))
- goto fail;
+/*** speex based implementation ***/
- if (r->o_ss.rate == r->i_ss.rate)
- u->src_state = NULL;
- else if (!(u->src_state = src_new(r->resample_method, r->o_ss.channels, &err)))
- goto fail;
+static void speex_resample_float(pa_resampler *r, const pa_memchunk *input, unsigned in_n_frames, pa_memchunk *output, unsigned *out_n_frames) {
+ float *in, *out;
+ uint32_t inf = in_n_frames, outf = *out_n_frames;
- r->impl_free = libsamplerate_free;
- r->impl_update_input_rate = libsamplerate_update_input_rate;
- r->impl_update_output_rate = libsamplerate_update_output_rate;
- r->impl_run = libsamplerate_run;
+ pa_assert(r);
+ pa_assert(input);
+ pa_assert(output);
+ pa_assert(out_n_frames);
+
+ in = (float*) ((uint8_t*) pa_memblock_acquire(input->memblock) + input->index);
+ out = (float*) ((uint8_t*) pa_memblock_acquire(output->memblock) + output->index);
- calc_map_table(r);
+ pa_assert_se(paspfl_resampler_process_interleaved_float(r->speex.state, in, &inf, out, &outf) == 0);
- return 0;
+ pa_memblock_release(input->memblock);
+ pa_memblock_release(output->memblock);
-fail:
- pa_xfree(u);
- return -1;
+ pa_assert(inf == in_n_frames);
+ *out_n_frames = outf;
}
-/* Trivial implementation */
-
-static void trivial_run(pa_resampler *r, const pa_memchunk *in, pa_memchunk *out) {
- size_t fz;
- unsigned n_frames;
- struct impl_trivial *u;
+static void speex_resample_int(pa_resampler *r, const pa_memchunk *input, unsigned in_n_frames, pa_memchunk *output, unsigned *out_n_frames) {
+ int16_t *in, *out;
+ uint32_t inf = in_n_frames, outf = *out_n_frames;
pa_assert(r);
- pa_assert(in);
- pa_assert(out);
- pa_assert(r->impl_data);
-
- u = r->impl_data;
-
- fz = r->i_fz;
- pa_assert(fz == r->o_fz);
+ pa_assert(input);
+ pa_assert(output);
+ pa_assert(out_n_frames);
+
+ in = (int16_t*) ((uint8_t*) pa_memblock_acquire(input->memblock) + input->index);
+ out = (int16_t*) ((uint8_t*) pa_memblock_acquire(output->memblock) + output->index);
- n_frames = in->length/fz;
+ pa_assert_se(paspfx_resampler_process_interleaved_int(r->speex.state, in, &inf, out, &outf) == 0);
- if (r->i_ss.rate == r->o_ss.rate) {
+ pa_memblock_release(input->memblock);
+ pa_memblock_release(output->memblock);
- /* In case there's no diefference in sample types, do nothing */
- *out = *in;
- pa_memblock_ref(out->memblock);
+ pa_assert(inf == in_n_frames);
+ *out_n_frames = outf;
+}
- u->o_counter += n_frames;
- } else {
- /* Do real resampling */
- size_t l;
- unsigned o_index;
- void *src, *dst;
+static void speex_update_rates(pa_resampler *r) {
+ pa_assert(r);
- /* The length of the new memory block rounded up */
- l = ((((n_frames+1) * r->o_ss.rate) / r->i_ss.rate) + 1) * fz;
+ if (r->resample_method >= PA_RESAMPLER_SPEEX_FIXED_BASE && r->resample_method <= PA_RESAMPLER_SPEEX_FIXED_MAX)
+ pa_assert_se(paspfx_resampler_set_rate(r->speex.state, r->i_ss.rate, r->o_ss.rate) == 0);
+ else {
+ pa_assert(r->resample_method >= PA_RESAMPLER_SPEEX_FLOAT_BASE && r->resample_method <= PA_RESAMPLER_SPEEX_FLOAT_MAX);
+ pa_assert_se(paspfl_resampler_set_rate(r->speex.state, r->i_ss.rate, r->o_ss.rate) == 0);
+ }
+}
- out->index = 0;
- out->memblock = pa_memblock_new(r->mempool, l);
+static void speex_free(pa_resampler *r) {
+ pa_assert(r);
+
+ if (r->speex.state) {
+ if (r->resample_method >= PA_RESAMPLER_SPEEX_FIXED_BASE && r->resample_method <= PA_RESAMPLER_SPEEX_FIXED_MAX)
+ paspfx_resampler_destroy(r->speex.state);
+ else {
+ pa_assert(r->resample_method >= PA_RESAMPLER_SPEEX_FLOAT_BASE && r->resample_method <= PA_RESAMPLER_SPEEX_FLOAT_MAX);
+ paspfl_resampler_destroy(r->speex.state);
+ }
+ }
+}
- src = (uint8_t*) pa_memblock_acquire(in->memblock) + in->index;
- dst = pa_memblock_acquire(out->memblock);
+static int speex_init(pa_resampler *r) {
+ int q, err;
+
+ pa_assert(r);
- for (o_index = 0;; o_index++, u->o_counter++) {
- unsigned j;
+ r->impl_free = speex_free;
+ r->impl_update_rates = speex_update_rates;
+
+ if (r->resample_method >= PA_RESAMPLER_SPEEX_FIXED_BASE && r->resample_method <= PA_RESAMPLER_SPEEX_FIXED_MAX) {
+ q = r->resample_method - PA_RESAMPLER_SPEEX_FIXED_BASE;
+ r->impl_resample = speex_resample_int;
- j = (u->o_counter * r->i_ss.rate / r->o_ss.rate);
- j = j > u->i_counter ? j - u->i_counter : 0;
+ if (!(r->speex.state = paspfx_resampler_init(r->o_ss.channels, r->i_ss.rate, r->o_ss.rate, q, &err)))
+ return -1;
- if (j >= n_frames)
- break;
+ } else {
+ pa_assert(r->resample_method >= PA_RESAMPLER_SPEEX_FLOAT_BASE && r->resample_method <= PA_RESAMPLER_SPEEX_FLOAT_MAX);
+ q = r->resample_method - PA_RESAMPLER_SPEEX_FLOAT_BASE;
+ r->impl_resample = speex_resample_float;
- pa_assert(o_index*fz < pa_memblock_get_length(out->memblock));
+ if (!(r->speex.state = paspfl_resampler_init(r->o_ss.channels, r->i_ss.rate, r->o_ss.rate, q, &err)))
+ return -1;
+ }
+
- memcpy((uint8_t*) dst + fz*o_index,
- (uint8_t*) src + fz*j, fz);
+ return 0;
+}
- }
+/* Trivial implementation */
- pa_memblock_release(in->memblock);
- pa_memblock_release(out->memblock);
+static void trivial_resample(pa_resampler *r, const pa_memchunk *input, unsigned in_n_frames, pa_memchunk *output, unsigned *out_n_frames) {
+ size_t fz;
+ unsigned o_index;
+ void *src, *dst;
+
+ pa_assert(r);
+ pa_assert(input);
+ pa_assert(output);
+ pa_assert(out_n_frames);
- out->length = o_index*fz;
+ fz = r->w_sz * r->o_ss.channels;
+
+ src = (uint8_t*) pa_memblock_acquire(input->memblock) + input->index;
+ dst = (uint8_t*) pa_memblock_acquire(output->memblock) + output->index;
+
+ for (o_index = 0;; o_index++, r->trivial.o_counter++) {
+ unsigned j;
+
+ j = ((r->trivial.o_counter * r->i_ss.rate) / r->o_ss.rate);
+ j = j > r->trivial.i_counter ? j - r->trivial.i_counter : 0;
+
+ if (j >= in_n_frames)
+ break;
+
+ pa_assert(o_index * fz < pa_memblock_get_length(output->memblock));
+
+ oil_memcpy((uint8_t*) dst + fz * o_index,
+ (uint8_t*) src + fz * j, fz);
}
+
+ pa_memblock_release(input->memblock);
+ pa_memblock_release(output->memblock);
+
+ *out_n_frames = o_index;
- u->i_counter += n_frames;
+ r->trivial.i_counter += in_n_frames;
/* Normalize counters */
- while (u->i_counter >= r->i_ss.rate) {
- u->i_counter -= r->i_ss.rate;
- pa_assert(u->o_counter >= r->o_ss.rate);
- u->o_counter -= r->o_ss.rate;
- }
-}
-
-static void trivial_free(pa_resampler *r) {
- pa_assert(r);
+ while (r->trivial.i_counter >= r->i_ss.rate) {
+ pa_assert(r->trivial.o_counter >= r->o_ss.rate);
- pa_xfree(r->impl_data);
+ r->trivial.i_counter -= r->i_ss.rate;
+ r->trivial.o_counter -= r->o_ss.rate;
+ }
}
-static void trivial_update_rate(pa_resampler *r, uint32_t rate) {
- struct impl_trivial *u;
-
+static void trivial_update_rates(pa_resampler *r) {
pa_assert(r);
- pa_assert(rate > 0);
- pa_assert(r->impl_data);
- u = r->impl_data;
- u->i_counter = 0;
- u->o_counter = 0;
+ r->trivial.i_counter = 0;
+ r->trivial.o_counter = 0;
}
static int trivial_init(pa_resampler*r) {
- struct impl_trivial *u;
-
pa_assert(r);
- pa_assert(r->i_ss.format == r->o_ss.format);
- pa_assert(r->i_ss.channels == r->o_ss.channels);
- r->impl_data = u = pa_xnew(struct impl_trivial, 1);
- u->o_counter = u->i_counter = 0;
+ r->trivial.o_counter = r->trivial.i_counter = 0;
- r->impl_run = trivial_run;
- r->impl_free = trivial_free;
- r->impl_update_input_rate = trivial_update_rate;
- r->impl_update_output_rate = trivial_update_rate;
+ r->impl_resample = trivial_resample;
+ r->impl_update_rates = trivial_update_rates;
return 0;
}
#include <stdio.h>
#include <stdlib.h>
-#include <assert.h>
#include <liboil/liboilfuncs.h>
#include <liboil/liboil.h>
#include <pulsecore/g711.h>
+#include <pulsecore/macro.h>
#include "endianmacros.h"
#include "sconv-s16le.h"
#include "sconv.h"
-static void u8_to_float32ne(unsigned n, const void *a, float *b) {
- const uint8_t *ca = a;
+/* u8 */
+static void u8_to_float32ne(unsigned n, const uint8_t *a, float *b) {
static const double add = -128.0/127.0, factor = 1.0/127.0;
- assert(a);
- assert(b);
+ pa_assert(a);
+ pa_assert(b);
- oil_scaleconv_f32_u8(b, ca, n, &add, &factor);
+ oil_scaleconv_f32_u8(b, a, n, &add, &factor);
}
-static void u8_from_float32ne(unsigned n, const float *a, void *b) {
- uint8_t *cb = b;
+static void u8_from_float32ne(unsigned n, const float *a, uint8_t *b) {
static const double add = 128.0, factor = 127.0;
- assert(a);
- assert(b);
+ pa_assert(a);
+ pa_assert(b);
- oil_scaleconv_u8_f32(cb, a, n, &add, &factor);
+ oil_scaleconv_u8_f32(b, a, n, &add, &factor);
}
-static void float32ne_to_float32ne(unsigned n, const void *a, float *b) {
- assert(a);
- assert(b);
+static void u8_to_s16ne(unsigned n, const uint8_t *a, int16_t *b) {
+ static const int16_t add = -128, factor = 0x100;
- oil_memcpy(b, a, sizeof(float) * n);
+ pa_assert(a);
+ pa_assert(b);
+
+ oil_conv_s16_u8(b, 2, a, 1, n);
+ oil_scalaradd_s16(b, 2, b, 2, &add, n);
+ oil_scalarmult_s16(b, 2, b, 2, &factor, n);
+}
+
+static void u8_from_s16ne(unsigned n, const int16_t *a, uint8_t *b) {
+
+ pa_assert(a);
+ pa_assert(b);
+
+ for (; n > 0; n--, a ++, a++)
+ *b = (uint8_t) (*a / 0x100 + 0x80);
}
-static void float32ne_from_float32ne(unsigned n, const float *a, void *b) {
- assert(a);
- assert(b);
+/* float32 */
+
+static void float32ne_to_float32ne(unsigned n, const float *a, float *b) {
+ pa_assert(a);
+ pa_assert(b);
oil_memcpy(b, a, sizeof(float) * n);
}
-static void float32re_to_float32ne(unsigned n, const void *a, float *b) {
- assert(a);
- assert(b);
+static void float32re_to_float32ne(unsigned n, const float *a, float *b) {
+ pa_assert(a);
+ pa_assert(b);
- while (n-- > 0)
- ((uint32_t *)b)[n] = UINT32_SWAP (((uint32_t *)a)[n]);
+ for (; n > 0; n--, a++, b++)
+ *((uint32_t *) b) = UINT32_SWAP(*((uint32_t *) a));
}
-static void float32re_from_float32ne(unsigned n, const float *a, void *b) {
- assert(a);
- assert(b);
+/* s16 */
- while (n-- > 0)
- ((uint32_t *)b)[n] = UINT32_SWAP (((uint32_t *)a)[n]);
+static void s16ne_to_s16ne(unsigned n, const int16_t *a, int16_t *b) {
+ pa_assert(a);
+ pa_assert(b);
+
+ oil_memcpy(b, a, sizeof(int16_t) * n);
}
-static void ulaw_to_float32ne(unsigned n, const void *a, float *b) {
- const uint8_t *ca = a;
+static void s16re_to_s16ne(unsigned n, const int16_t *a, int16_t *b) {
+ pa_assert(a);
+ pa_assert(b);
+
+ for (; n > 0; n--, a++, b++)
+ *b = UINT16_SWAP(*a);
+}
- assert(a);
- assert(b);
+/* ulaw */
+
+static void ulaw_to_float32ne(unsigned n, const uint8_t *a, float *b) {
+ pa_assert(a);
+ pa_assert(b);
for (; n > 0; n--)
- *(b++) = st_ulaw2linear16(*(ca++)) * 1.0F / 0x7FFF;
+ *(b++) = st_ulaw2linear16(*(a++)) * 1.0F / 0x7FFF;
}
-static void ulaw_from_float32ne(unsigned n, const float *a, void *b) {
- uint8_t *cb = b;
-
- assert(a);
- assert(b);
+static void ulaw_from_float32ne(unsigned n, const float *a, uint8_t *b) {
+ pa_assert(a);
+ pa_assert(b);
for (; n > 0; n--) {
float v = *(a++);
if (v < -1)
v = -1;
- *(cb++) = st_14linear2ulaw((int16_t) (v * 0x1FFF));
+ *(b++) = st_14linear2ulaw((int16_t) (v * 0x1FFF));
}
}
-static void alaw_to_float32ne(unsigned n, const void *a, float *b) {
- const uint8_t *ca = a;
+static void ulaw_to_s16ne(unsigned n, const uint8_t *a, int16_t *b) {
+ pa_assert(a);
+ pa_assert(b);
- assert(a);
- assert(b);
+ for (; n > 0; n--, a++, b++)
+ *b = st_ulaw2linear16(*a);
+}
- for (; n > 0; n--)
- *(b++) = st_alaw2linear16(*(ca++)) * 1.0F / 0x7FFF;
+static void ulaw_from_s16ne(unsigned n, const int16_t *a, uint8_t *b) {
+ pa_assert(a);
+ pa_assert(b);
+
+ for (; n > 0; n--, a++, b++)
+ *b = st_14linear2ulaw(*a >> 2);
}
-static void alaw_from_float32ne(unsigned n, const float *a, void *b) {
- uint8_t *cb = b;
+/* alaw */
- assert(a);
- assert(b);
+static void alaw_to_float32ne(unsigned n, const uint8_t *a, float *b) {
+ pa_assert(a);
+ pa_assert(b);
- for (; n > 0; n--) {
- float v = *(a++);
+ for (; n > 0; n--, a++, b++)
+ *b = st_alaw2linear16(*a) * 1.0F / 0x7FFF;
+}
+
+static void alaw_from_float32ne(unsigned n, const float *a, uint8_t *b) {
+ pa_assert(a);
+ pa_assert(b);
+
+ for (; n > 0; n--, a++, b++) {
+ float v = *a;
if (v > 1)
v = 1;
if (v < -1)
v = -1;
- *(cb++) = st_13linear2alaw((int16_t) (v * 0xFFF));
+ *b = st_13linear2alaw((int16_t) (v * 0xFFF));
}
}
-pa_convert_to_float32ne_func_t pa_get_convert_to_float32ne_function(pa_sample_format_t f) {
- switch(f) {
- case PA_SAMPLE_U8:
- return u8_to_float32ne;
- case PA_SAMPLE_S16LE:
- return pa_sconv_s16le_to_float32ne;
- case PA_SAMPLE_S16BE:
- return pa_sconv_s16be_to_float32ne;
- case PA_SAMPLE_FLOAT32NE:
- return float32ne_to_float32ne;
- case PA_SAMPLE_FLOAT32RE:
- return float32re_to_float32ne;
- case PA_SAMPLE_ALAW:
- return alaw_to_float32ne;
- case PA_SAMPLE_ULAW:
- return ulaw_to_float32ne;
- default:
- return NULL;
- }
+static void alaw_to_s16ne(unsigned n, const int8_t *a, int16_t *b) {
+ pa_assert(a);
+ pa_assert(b);
+
+ for (; n > 0; n--, a++, b++)
+ *b = st_alaw2linear16(*a);
}
-pa_convert_from_float32ne_func_t pa_get_convert_from_float32ne_function(pa_sample_format_t f) {
- switch(f) {
- case PA_SAMPLE_U8:
- return u8_from_float32ne;
- case PA_SAMPLE_S16LE:
- return pa_sconv_s16le_from_float32ne;
- case PA_SAMPLE_S16BE:
- return pa_sconv_s16be_from_float32ne;
- case PA_SAMPLE_FLOAT32NE:
- return float32ne_from_float32ne;
- case PA_SAMPLE_FLOAT32RE:
- return float32re_from_float32ne;
- case PA_SAMPLE_ALAW:
- return alaw_from_float32ne;
- case PA_SAMPLE_ULAW:
- return ulaw_from_float32ne;
- default:
- return NULL;
- }
+static void alaw_from_s16ne(unsigned n, const int16_t *a, uint8_t *b) {
+ pa_assert(a);
+ pa_assert(b);
+
+ for (; n > 0; n--)
+ *b = st_13linear2alaw(*a >> 3);
+}
+
+pa_convert_func_t pa_get_convert_to_float32ne_function(pa_sample_format_t f) {
+
+ static const pa_convert_func_t table[] = {
+ [PA_SAMPLE_U8] = (pa_convert_func_t) u8_to_float32ne,
+ [PA_SAMPLE_ALAW] = (pa_convert_func_t) alaw_to_float32ne,
+ [PA_SAMPLE_ULAW] = (pa_convert_func_t) ulaw_to_float32ne,
+ [PA_SAMPLE_S16LE] = (pa_convert_func_t) pa_sconv_s16le_to_float32ne,
+ [PA_SAMPLE_S16BE] = (pa_convert_func_t) pa_sconv_s16be_to_float32ne,
+ [PA_SAMPLE_FLOAT32NE] = (pa_convert_func_t) float32ne_to_float32ne,
+ [PA_SAMPLE_FLOAT32RE] = (pa_convert_func_t) float32re_to_float32ne,
+ };
+
+ pa_assert(f >= 0);
+ pa_assert(f < PA_SAMPLE_MAX);
+
+ return table[f];
+}
+
+pa_convert_func_t pa_get_convert_from_float32ne_function(pa_sample_format_t f) {
+
+ static const pa_convert_func_t table[] = {
+ [PA_SAMPLE_U8] = (pa_convert_func_t) u8_from_float32ne,
+ [PA_SAMPLE_S16LE] = (pa_convert_func_t) pa_sconv_s16le_from_float32ne,
+ [PA_SAMPLE_S16BE] = (pa_convert_func_t) pa_sconv_s16be_from_float32ne,
+ [PA_SAMPLE_FLOAT32NE] = (pa_convert_func_t) float32ne_to_float32ne,
+ [PA_SAMPLE_FLOAT32RE] = (pa_convert_func_t) float32re_to_float32ne,
+ [PA_SAMPLE_ALAW] = (pa_convert_func_t) alaw_from_float32ne,
+ [PA_SAMPLE_ULAW] = (pa_convert_func_t) ulaw_from_float32ne
+ };
+
+ pa_assert(f >= 0);
+ pa_assert(f < PA_SAMPLE_MAX);
+
+ return table[f];
+}
+
+pa_convert_func_t pa_get_convert_to_s16ne_function(pa_sample_format_t f) {
+
+ static const pa_convert_func_t table[] = {
+ [PA_SAMPLE_U8] = (pa_convert_func_t) u8_to_s16ne,
+ [PA_SAMPLE_S16NE] = (pa_convert_func_t) s16ne_to_s16ne,
+ [PA_SAMPLE_S16RE] = (pa_convert_func_t) s16re_to_s16ne,
+ [PA_SAMPLE_FLOAT32BE] = (pa_convert_func_t) pa_sconv_float32be_to_s16ne,
+ [PA_SAMPLE_FLOAT32LE] = (pa_convert_func_t) pa_sconv_float32le_to_s16ne,
+ [PA_SAMPLE_ALAW] = (pa_convert_func_t) alaw_to_s16ne,
+ [PA_SAMPLE_ULAW] = (pa_convert_func_t) ulaw_to_s16ne
+ };
+
+ pa_assert(f >= 0);
+ pa_assert(f < PA_SAMPLE_MAX);
+
+ return table[f];
+}
+
+pa_convert_func_t pa_get_convert_from_s16ne_function(pa_sample_format_t f) {
+
+ static const pa_convert_func_t table[] = {
+ [PA_SAMPLE_U8] = (pa_convert_func_t) u8_from_s16ne,
+ [PA_SAMPLE_S16NE] = (pa_convert_func_t) s16ne_to_s16ne,
+ [PA_SAMPLE_S16RE] = (pa_convert_func_t) s16re_to_s16ne,
+ [PA_SAMPLE_FLOAT32BE] = (pa_convert_func_t) pa_sconv_float32be_from_s16ne,
+ [PA_SAMPLE_FLOAT32LE] = (pa_convert_func_t) pa_sconv_float32le_from_s16ne,
+ [PA_SAMPLE_ALAW] = (pa_convert_func_t) alaw_from_s16ne,
+ [PA_SAMPLE_ULAW] = (pa_convert_func_t) ulaw_from_s16ne,
+ };
+
+ pa_assert(f >= 0);
+ pa_assert(f < PA_SAMPLE_MAX);
+
+ return table[f];
}
projects / platform / upstream / pulseaudio.git / commitdiff