summaryrefslogtreecommitdiff
path: root/media/libcubeb/tests/test_audio.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'media/libcubeb/tests/test_audio.cpp')
-rw-r--r--media/libcubeb/tests/test_audio.cpp294
1 files changed, 0 insertions, 294 deletions
diff --git a/media/libcubeb/tests/test_audio.cpp b/media/libcubeb/tests/test_audio.cpp
deleted file mode 100644
index 4943223e6..000000000
--- a/media/libcubeb/tests/test_audio.cpp
+++ /dev/null
@@ -1,294 +0,0 @@
-/*
- * Copyright © 2013 Sebastien Alaiwan <sebastien.alaiwan@gmail.com>
- *
- * This program is made available under an ISC-style license. See the
- * accompanying file LICENSE for details.
- */
-
-/* libcubeb api/function exhaustive test. Plays a series of tones in different
- * conditions. */
-#ifdef NDEBUG
-#undef NDEBUG
-#endif
-#define _XOPEN_SOURCE 600
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <assert.h>
-#include <string.h>
-
-#include "cubeb/cubeb.h"
-#include "common.h"
-#ifdef CUBEB_GECKO_BUILD
-#include "TestHarness.h"
-#endif
-
-#define MAX_NUM_CHANNELS 32
-
-#if !defined(M_PI)
-#define M_PI 3.14159265358979323846
-#endif
-
-#define NELEMS(x) ((int) (sizeof(x) / sizeof(x[0])))
-#define VOLUME 0.2
-
-float get_frequency(int channel_index)
-{
- return 220.0f * (channel_index+1);
-}
-
-/* store the phase of the generated waveform */
-typedef struct {
- int num_channels;
- float phase[MAX_NUM_CHANNELS];
- float sample_rate;
-} synth_state;
-
-synth_state* synth_create(int num_channels, float sample_rate)
-{
- synth_state* synth = (synth_state *) malloc(sizeof(synth_state));
- if (!synth)
- return NULL;
- for(int i=0;i < MAX_NUM_CHANNELS;++i)
- synth->phase[i] = 0.0f;
- synth->num_channels = num_channels;
- synth->sample_rate = sample_rate;
- return synth;
-}
-
-void synth_destroy(synth_state* synth)
-{
- free(synth);
-}
-
-void synth_run_float(synth_state* synth, float* audiobuffer, long nframes)
-{
- for(int c=0;c < synth->num_channels;++c) {
- float freq = get_frequency(c);
- float phase_inc = 2.0 * M_PI * freq / synth->sample_rate;
- for(long n=0;n < nframes;++n) {
- audiobuffer[n*synth->num_channels+c] = sin(synth->phase[c]) * VOLUME;
- synth->phase[c] += phase_inc;
- }
- }
-}
-
-long data_cb_float(cubeb_stream * /*stream*/, void * user, const void * /*inputbuffer*/, void * outputbuffer, long nframes)
-{
- synth_state *synth = (synth_state *)user;
- synth_run_float(synth, (float*)outputbuffer, nframes);
- return nframes;
-}
-
-void synth_run_16bit(synth_state* synth, short* audiobuffer, long nframes)
-{
- for(int c=0;c < synth->num_channels;++c) {
- float freq = get_frequency(c);
- float phase_inc = 2.0 * M_PI * freq / synth->sample_rate;
- for(long n=0;n < nframes;++n) {
- audiobuffer[n*synth->num_channels+c] = sin(synth->phase[c]) * VOLUME * 32767.0f;
- synth->phase[c] += phase_inc;
- }
- }
-}
-
-long data_cb_short(cubeb_stream * /*stream*/, void * user, const void * /*inputbuffer*/, void * outputbuffer, long nframes)
-{
- synth_state *synth = (synth_state *)user;
- synth_run_16bit(synth, (short*)outputbuffer, nframes);
- return nframes;
-}
-
-void state_cb(cubeb_stream * /*stream*/, void * /*user*/, cubeb_state /*state*/)
-{
-}
-
-/* Our android backends don't support float, only int16. */
-int supports_float32(const char* backend_id)
-{
- return (strcmp(backend_id, "opensl") != 0 &&
- strcmp(backend_id, "audiotrack") != 0);
-}
-
-/* The WASAPI backend only supports float. */
-int supports_int16(const char* backend_id)
-{
- return strcmp(backend_id, "wasapi") != 0;
-}
-
-/* Some backends don't have code to deal with more than mono or stereo. */
-int supports_channel_count(const char* backend_id, int nchannels)
-{
- return nchannels <= 2 ||
- (strcmp(backend_id, "opensl") != 0 && strcmp(backend_id, "audiotrack") != 0);
-}
-
-int run_test(int num_channels, int sampling_rate, int is_float)
-{
- int r = CUBEB_OK;
-
- cubeb *ctx = NULL;
- synth_state* synth = NULL;
- cubeb_stream *stream = NULL;
- const char * backend_id = NULL;
-
- r = cubeb_init(&ctx, "Cubeb audio test: channels");
- if (r != CUBEB_OK) {
- fprintf(stderr, "Error initializing cubeb library\n");
- goto cleanup;
- }
-
- backend_id = cubeb_get_backend_id(ctx);
-
- if ((is_float && !supports_float32(backend_id)) ||
- (!is_float && !supports_int16(backend_id)) ||
- !supports_channel_count(backend_id, num_channels)) {
- /* don't treat this as a test failure. */
- goto cleanup;
- }
-
- fprintf(stderr, "Testing %d channel(s), %d Hz, %s (%s)\n", num_channels, sampling_rate, is_float ? "float" : "short", cubeb_get_backend_id(ctx));
-
- cubeb_stream_params params;
- params.format = is_float ? CUBEB_SAMPLE_FLOAT32NE : CUBEB_SAMPLE_S16NE;
- params.rate = sampling_rate;
- params.channels = num_channels;
-
- synth = synth_create(params.channels, params.rate);
- if (synth == NULL) {
- fprintf(stderr, "Out of memory\n");
- goto cleanup;
- }
-
- r = cubeb_stream_init(ctx, &stream, "test tone", NULL, NULL, NULL, &params,
- 4096, is_float ? data_cb_float : data_cb_short, state_cb, synth);
- if (r != CUBEB_OK) {
- fprintf(stderr, "Error initializing cubeb stream: %d\n", r);
- goto cleanup;
- }
-
- cubeb_stream_start(stream);
- delay(200);
- cubeb_stream_stop(stream);
-
-cleanup:
- cubeb_stream_destroy(stream);
- cubeb_destroy(ctx);
- synth_destroy(synth);
-
- return r;
-}
-
-int run_panning_volume_test(int is_float)
-{
- int r = CUBEB_OK;
-
- cubeb *ctx = NULL;
- synth_state* synth = NULL;
- cubeb_stream *stream = NULL;
- const char * backend_id = NULL;
-
- r = cubeb_init(&ctx, "Cubeb audio test");
- if (r != CUBEB_OK) {
- fprintf(stderr, "Error initializing cubeb library\n");
- goto cleanup;
- }
- backend_id = cubeb_get_backend_id(ctx);
-
- if ((is_float && !supports_float32(backend_id)) ||
- (!is_float && !supports_int16(backend_id))) {
- /* don't treat this as a test failure. */
- goto cleanup;
- }
-
- cubeb_stream_params params;
- params.format = is_float ? CUBEB_SAMPLE_FLOAT32NE : CUBEB_SAMPLE_S16NE;
- params.rate = 44100;
- params.channels = 2;
-
- synth = synth_create(params.channels, params.rate);
- if (synth == NULL) {
- fprintf(stderr, "Out of memory\n");
- goto cleanup;
- }
-
- r = cubeb_stream_init(ctx, &stream, "test tone", NULL, NULL, NULL, &params,
- 4096, is_float ? data_cb_float : data_cb_short,
- state_cb, synth);
- if (r != CUBEB_OK) {
- fprintf(stderr, "Error initializing cubeb stream: %d\n", r);
- goto cleanup;
- }
-
- fprintf(stderr, "Testing: volume\n");
- for(int i=0;i <= 4; ++i)
- {
- fprintf(stderr, "Volume: %d%%\n", i*25);
-
- cubeb_stream_set_volume(stream, i/4.0f);
- cubeb_stream_start(stream);
- delay(400);
- cubeb_stream_stop(stream);
- delay(100);
- }
-
- fprintf(stderr, "Testing: panning\n");
- for(int i=-4;i <= 4; ++i)
- {
- fprintf(stderr, "Panning: %.2f%%\n", i/4.0f);
-
- cubeb_stream_set_panning(stream, i/4.0f);
- cubeb_stream_start(stream);
- delay(400);
- cubeb_stream_stop(stream);
- delay(100);
- }
-
-cleanup:
- cubeb_stream_destroy(stream);
- cubeb_destroy(ctx);
- synth_destroy(synth);
-
- return r;
-}
-
-void run_channel_rate_test()
-{
- int channel_values[] = {
- 1,
- 2,
- 3,
- 4,
- 6,
- };
-
- int freq_values[] = {
- 16000,
- 24000,
- 44100,
- 48000,
- };
-
- for(int j = 0; j < NELEMS(channel_values); ++j) {
- for(int i = 0; i < NELEMS(freq_values); ++i) {
- assert(channel_values[j] < MAX_NUM_CHANNELS);
- fprintf(stderr, "--------------------------\n");
- assert(run_test(channel_values[j], freq_values[i], 0) == CUBEB_OK);
- assert(run_test(channel_values[j], freq_values[i], 1) == CUBEB_OK);
- }
- }
-}
-
-
-int main(int /*argc*/, char * /*argv*/[])
-{
-#ifdef CUBEB_GECKO_BUILD
- ScopedXPCOM xpcom("test_audio");
-#endif
-
- assert(run_panning_volume_test(0) == CUBEB_OK);
- assert(run_panning_volume_test(1) == CUBEB_OK);
- run_channel_rate_test();
-
- return CUBEB_OK;
-}
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-10 07:11:51 +0000