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-rw-r--r--media/libcubeb/gtest/test_audio.cpp244
1 files changed, 0 insertions, 244 deletions
diff --git a/media/libcubeb/gtest/test_audio.cpp b/media/libcubeb/gtest/test_audio.cpp
deleted file mode 100644
index ea1b999c9b..0000000000
--- a/media/libcubeb/gtest/test_audio.cpp
+++ /dev/null
@@ -1,244 +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. */
-#include "gtest/gtest.h"
-#if !defined(_XOPEN_SOURCE)
-#define _XOPEN_SOURCE 600
-#endif
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <memory>
-#include <string.h>
-#include "cubeb/cubeb.h"
-#include <string>
-
-//#define ENABLE_NORMAL_LOG
-//#define ENABLE_VERBOSE_LOG
-#include "common.h"
-
-using namespace std;
-
-#define MAX_NUM_CHANNELS 32
-
-#if !defined(M_PI)
-#define M_PI 3.14159265358979323846
-#endif
-
-#define VOLUME 0.2
-
-float get_frequency(int channel_index)
-{
- return 220.0f * (channel_index+1);
-}
-
-template<typename T> T ConvertSample(double input);
-template<> float ConvertSample(double input) { return input; }
-template<> short ConvertSample(double input) { return short(input * 32767.0f); }
-
-/* store the phase of the generated waveform */
-struct synth_state {
- synth_state(int num_channels_, float sample_rate_)
- : num_channels(num_channels_),
- sample_rate(sample_rate_)
- {
- for(int i=0;i < MAX_NUM_CHANNELS;++i)
- phase[i] = 0.0f;
- }
-
- template<typename T>
- void run(T* audiobuffer, long nframes)
- {
- for(int c=0;c < num_channels;++c) {
- float freq = get_frequency(c);
- float phase_inc = 2.0 * M_PI * freq / sample_rate;
- for(long n=0;n < nframes;++n) {
- audiobuffer[n*num_channels+c] = ConvertSample<T>(sin(phase[c]) * VOLUME);
- phase[c] += phase_inc;
- }
- }
- }
-
-private:
- int num_channels;
- float phase[MAX_NUM_CHANNELS];
- float sample_rate;
-};
-
-template<typename T>
-long data_cb(cubeb_stream * /*stream*/, void * user, const void * /*inputbuffer*/, void * outputbuffer, long nframes)
-{
- synth_state *synth = (synth_state *)user;
- synth->run((T*)outputbuffer, nframes);
- return nframes;
-}
-
-void state_cb_audio(cubeb_stream * /*stream*/, void * /*user*/, cubeb_state /*state*/)
-{
-}
-
-/* Our android backends don't support float, only int16. */
-int supports_float32(string backend_id)
-{
- return backend_id != "opensl"
- && backend_id != "audiotrack";
-}
-
-/* Some backends don't have code to deal with more than mono or stereo. */
-int supports_channel_count(string backend_id, int nchannels)
-{
- return nchannels <= 2 ||
- (backend_id != "opensl" && backend_id != "audiotrack");
-}
-
-int run_test(int num_channels, int sampling_rate, int is_float)
-{
- int r = CUBEB_OK;
-
- cubeb *ctx = NULL;
-
- r = common_init(&ctx, "Cubeb audio test: channels");
- if (r != CUBEB_OK) {
- fprintf(stderr, "Error initializing cubeb library\n");
- return r;
- }
- std::unique_ptr<cubeb, decltype(&cubeb_destroy)>
- cleanup_cubeb_at_exit(ctx, cubeb_destroy);
-
- const char * backend_id = cubeb_get_backend_id(ctx);
-
- if ((is_float && !supports_float32(backend_id)) ||
- !supports_channel_count(backend_id, num_channels)) {
- /* don't treat this as a test failure. */
- return CUBEB_OK;
- }
-
- 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;
- params.layout = CUBEB_LAYOUT_UNDEFINED;
- params.prefs = CUBEB_STREAM_PREF_NONE;
-
- synth_state synth(params.channels, params.rate);
-
- cubeb_stream *stream = NULL;
- r = cubeb_stream_init(ctx, &stream, "test tone", NULL, NULL, NULL, &params,
- 4096, is_float ? &data_cb<float> : &data_cb<short>, state_cb_audio, &synth);
- if (r != CUBEB_OK) {
- fprintf(stderr, "Error initializing cubeb stream: %d\n", r);
- return r;
- }
-
- std::unique_ptr<cubeb_stream, decltype(&cubeb_stream_destroy)>
- cleanup_stream_at_exit(stream, cubeb_stream_destroy);
-
- cubeb_stream_start(stream);
- delay(200);
- cubeb_stream_stop(stream);
-
- return r;
-}
-
-int run_volume_test(int is_float)
-{
- int r = CUBEB_OK;
-
- cubeb *ctx = NULL;
-
- r = common_init(&ctx, "Cubeb audio test");
- if (r != CUBEB_OK) {
- fprintf(stderr, "Error initializing cubeb library\n");
- return r;
- }
-
- std::unique_ptr<cubeb, decltype(&cubeb_destroy)>
- cleanup_cubeb_at_exit(ctx, cubeb_destroy);
-
- const char * backend_id = cubeb_get_backend_id(ctx);
-
- if ((is_float && !supports_float32(backend_id))) {
- /* don't treat this as a test failure. */
- return CUBEB_OK;
- }
-
- cubeb_stream_params params;
- params.format = is_float ? CUBEB_SAMPLE_FLOAT32NE : CUBEB_SAMPLE_S16NE;
- params.rate = 44100;
- params.channels = 2;
- params.layout = CUBEB_LAYOUT_STEREO;
- params.prefs = CUBEB_STREAM_PREF_NONE;
-
- synth_state synth(params.channels, params.rate);
-
- cubeb_stream *stream = NULL;
- r = cubeb_stream_init(ctx, &stream, "test tone", NULL, NULL, NULL, &params,
- 4096, is_float ? &data_cb<float> : &data_cb<short>,
- state_cb_audio, &synth);
- if (r != CUBEB_OK) {
- fprintf(stderr, "Error initializing cubeb stream: %d\n", r);
- return r;
- }
-
- std::unique_ptr<cubeb_stream, decltype(&cubeb_stream_destroy)>
- cleanup_stream_at_exit(stream, cubeb_stream_destroy);
-
- 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);
- }
-
- return r;
-}
-
-TEST(cubeb, run_volume_test_short)
-{
- ASSERT_EQ(run_volume_test(0), CUBEB_OK);
-}
-
-TEST(cubeb, run_volume_test_float)
-{
- ASSERT_EQ(run_volume_test(1), CUBEB_OK);
-}
-
-TEST(cubeb, run_channel_rate_test)
-{
- unsigned int channel_values[] = {
- 1,
- 2,
- 3,
- 4,
- 6,
- };
-
- int freq_values[] = {
- 16000,
- 24000,
- 44100,
- 48000,
- };
-
- for(auto channels : channel_values) {
- for(auto freq : freq_values) {
- ASSERT_TRUE(channels < MAX_NUM_CHANNELS);
- fprintf(stderr, "--------------------------\n");
- ASSERT_EQ(run_test(channels, freq, 0), CUBEB_OK);
- ASSERT_EQ(run_test(channels, freq, 1), CUBEB_OK);
- }
- }
-}
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