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Diffstat (limited to 'cras/src/tests/fmt_conv_unittest.cc')
-rw-r--r--cras/src/tests/fmt_conv_unittest.cc1781
1 files changed, 0 insertions, 1781 deletions
diff --git a/cras/src/tests/fmt_conv_unittest.cc b/cras/src/tests/fmt_conv_unittest.cc
deleted file mode 100644
index c66984ee..00000000
--- a/cras/src/tests/fmt_conv_unittest.cc
+++ /dev/null
@@ -1,1781 +0,0 @@
-// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include <gtest/gtest.h>
-#include <math.h>
-#include <sys/param.h>
-
-extern "C" {
-#include "cras_fmt_conv.h"
-#include "cras_types.h"
-}
-
-static int mono_channel_layout[CRAS_CH_MAX] = {-1, -1, -1, -1, 0, -1,
- -1, -1, -1, -1, -1};
-static int stereo_channel_layout[CRAS_CH_MAX] = {0, 1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1};
-static int surround_channel_center_layout[CRAS_CH_MAX] = {0, 1, 2, 3, 4, 5,
- -1, -1, -1, -1, -1};
-static int surround_channel_left_right_layout[CRAS_CH_MAX] = {
- 0, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
-static int surround_channel_unknown_layout[CRAS_CH_MAX] = {
- -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
-static int quad_channel_layout[CRAS_CH_MAX] = {0, 1, 2, 3, -1, -1,
- -1, -1, -1, -1, -1};
-static int linear_resampler_needed_val;
-static double linear_resampler_ratio = 1.0;
-static unsigned int linear_resampler_num_channels;
-static unsigned int linear_resampler_format_bytes;
-static int linear_resampler_src_rate;
-static int linear_resampler_dst_rate;
-
-void ResetStub() {
- linear_resampler_needed_val = 0;
- linear_resampler_ratio = 1.0;
-}
-
-// Like malloc or calloc, but fill the memory with random bytes.
-static void* ralloc(size_t size) {
- unsigned char* buf = (unsigned char*)malloc(size);
- while (size--)
- buf[size] = rand() & 0xff;
- return buf;
-}
-
-static void swap_channel_layout(int8_t* layout,
- CRAS_CHANNEL a,
- CRAS_CHANNEL b) {
- int8_t tmp = layout[a];
- layout[a] = layout[b];
- layout[b] = tmp;
-}
-
-TEST(FormatConverterTest, SmallFramesSRCWithLinearResampler) {
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
- struct cras_fmt_conv* c;
- int16_t* in_buf;
- int16_t* out_buf;
- unsigned int in_frames = 1;
- unsigned int out_frames = 2;
-
- ResetStub();
- in_fmt.format = out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = out_fmt.num_channels = 1;
- in_fmt.frame_rate = 16000;
- out_fmt.frame_rate = 48000;
- linear_resampler_needed_val = 1;
-
- in_buf = (int16_t*)malloc(10 * 2 * 2);
- out_buf = (int16_t*)malloc(10 * 2 * 2);
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, 10, 1);
- EXPECT_NE((void*)NULL, c);
- EXPECT_EQ(out_fmt.frame_rate, linear_resampler_src_rate);
- EXPECT_EQ(out_fmt.frame_rate, linear_resampler_dst_rate);
-
- /* When process on small buffers doing SRC 16KHz -> 48KHz,
- * speex does the work in two steps:
- *
- * (1) 0 -> 2 frames in output
- * (2) 1 -> 1 frame in output
- *
- * Total result is 1 frame consumed in input and generated
- * 3 frames in output.
- */
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buf, (uint8_t*)out_buf, &in_frames, out_frames);
- EXPECT_EQ(2, out_frames);
- EXPECT_EQ(0, in_frames);
-
- in_frames = 1;
- out_frames = 2;
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buf, (uint8_t*)out_buf, &in_frames, out_frames);
- EXPECT_EQ(1, out_frames);
- EXPECT_EQ(1, in_frames);
-
- cras_fmt_conv_destroy(&c);
- free(in_buf);
- free(out_buf);
-}
-
-// Only support LE, BE should fail.
-TEST(FormatConverterTest, InvalidParamsOnlyLE) {
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
- struct cras_fmt_conv* c;
-
- ResetStub();
- in_fmt.format = out_fmt.format = SND_PCM_FORMAT_S32_BE;
- in_fmt.num_channels = out_fmt.num_channels = 2;
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, 4096, 0);
- EXPECT_EQ(NULL, c);
-}
-
-// Test Mono to Stereo mix.
-TEST(FormatConverterTest, MonoToStereo) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int16_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 1;
- out_fmt.num_channels = 2;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_out_frames_to_in(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (int16_t*)ralloc(buf_size * 2 * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)ralloc(buf_size * 2 * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (size_t i = 0; i < buf_size; i++) {
- if (in_buff[i] != out_buff[i * 2] || in_buff[i] != out_buff[i * 2 + 1]) {
- EXPECT_TRUE(false);
- break;
- }
- }
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test Stereo to Mono mix.
-TEST(FormatConverterTest, StereoToMono) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int16_t* in_buff;
- int16_t* out_buff;
- unsigned int i;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 2;
- out_fmt.num_channels = 1;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_out_frames_to_in(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (int16_t*)malloc(buf_size * 2 * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)malloc(buf_size * cras_get_format_bytes(&out_fmt));
- for (i = 0; i < buf_size; i++) {
- in_buff[i * 2] = 13450;
- in_buff[i * 2 + 1] = -13449;
- }
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (i = 0; i < buf_size; i++) {
- EXPECT_EQ(1, out_buff[i]);
- }
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test Stereo to Mono mix. Overflow.
-TEST(FormatConverterTest, StereoToMonoOverflow) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int16_t* in_buff;
- int16_t* out_buff;
- unsigned int i;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 2;
- out_fmt.num_channels = 1;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_out_frames_to_in(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (int16_t*)malloc(buf_size * 2 * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)malloc(buf_size * cras_get_format_bytes(&out_fmt));
- for (i = 0; i < buf_size; i++) {
- in_buff[i * 2] = 0x7fff;
- in_buff[i * 2 + 1] = 1;
- }
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (i = 0; i < buf_size; i++) {
- EXPECT_EQ(0x7fff, out_buff[i]);
- }
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test Stereo to Mono mix. Underflow.
-TEST(FormatConverterTest, StereoToMonoUnderflow) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int16_t* in_buff;
- int16_t* out_buff;
- unsigned int i;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 2;
- out_fmt.num_channels = 1;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_out_frames_to_in(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (int16_t*)malloc(buf_size * 2 * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)malloc(buf_size * cras_get_format_bytes(&out_fmt));
- for (i = 0; i < buf_size; i++) {
- in_buff[i * 2] = -0x8000;
- in_buff[i * 2 + 1] = -1;
- }
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (i = 0; i < buf_size; i++) {
- EXPECT_EQ(-0x8000, out_buff[i]);
- }
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test Stereo to Mono mix 24 and 32 bit.
-TEST(FormatConverterTest, StereoToMono24bit) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int32_t* in_buff;
- int32_t* out_buff;
- unsigned int i;
- const size_t buf_size = 100;
- unsigned int in_buf_size = 100;
- unsigned int test;
-
- for (test = 0; test < 2; test++) {
- ResetStub();
- if (test == 0) {
- in_fmt.format = SND_PCM_FORMAT_S24_LE;
- out_fmt.format = SND_PCM_FORMAT_S24_LE;
- } else {
- in_fmt.format = SND_PCM_FORMAT_S32_LE;
- out_fmt.format = SND_PCM_FORMAT_S32_LE;
- }
- in_fmt.num_channels = 2;
- out_fmt.num_channels = 1;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_out_frames_to_in(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (int32_t*)malloc(buf_size * cras_get_format_bytes(&in_fmt));
- out_buff = (int32_t*)malloc(buf_size * cras_get_format_bytes(&out_fmt));
- // TODO(dgreid) - s/0x10000/1/ once it stays full bits the whole way.
- for (i = 0; i < buf_size; i++) {
- in_buff[i * 2] = 13450 << 16;
- in_buff[i * 2 + 1] = -in_buff[i * 2] + 0x10000;
- }
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (i = 0; i < buf_size; i++) {
- EXPECT_EQ(0x10000, out_buff[i]);
- }
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
- }
-}
-
-// Test 5.1 to Stereo mix.
-TEST(FormatConverterTest, SurroundToStereo) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int16_t* in_buff;
- int16_t* out_buff;
- unsigned int i;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 6;
- out_fmt.num_channels = 2;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
- for (i = 0; i < CRAS_CH_MAX; i++)
- in_fmt.channel_layout[i] = surround_channel_center_layout[i];
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_out_frames_to_in(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (int16_t*)malloc(buf_size * 2 * cras_get_format_bytes(&in_fmt));
-
- /* Swap channel to FL = 13450, RL = -100.
- * Assert right channel is silent.
- */
- for (i = 0; i < buf_size; i++) {
- in_buff[i * 6] = 13450;
- in_buff[i * 6 + 1] = 0;
- in_buff[i * 6 + 2] = -100;
- in_buff[i * 6 + 3] = 0;
- in_buff[i * 6 + 4] = 0;
- in_buff[i * 6 + 5] = 0;
- }
- out_buff = (int16_t*)malloc(buf_size * 2 * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (i = 0; i < buf_size; i++)
- EXPECT_LT(0, out_buff[i * 2]);
- cras_fmt_conv_destroy(&c);
-
- /* Swap channel to FR = 13450, RR = -100.
- * Assert left channel is silent.
- */
- swap_channel_layout(in_fmt.channel_layout, CRAS_CH_FL, CRAS_CH_FR);
- swap_channel_layout(in_fmt.channel_layout, CRAS_CH_RL, CRAS_CH_RR);
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (i = 0; i < buf_size; i++)
- EXPECT_LT(0, out_buff[i * 2 + 1]);
- cras_fmt_conv_destroy(&c);
-
- /* Swap channel to FC = 13450, LFE = -100.
- * Assert output left and right has equal magnitude.
- */
- swap_channel_layout(in_fmt.channel_layout, CRAS_CH_FR, CRAS_CH_FC);
- swap_channel_layout(in_fmt.channel_layout, CRAS_CH_RR, CRAS_CH_LFE);
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (i = 0; i < buf_size; i++) {
- EXPECT_NE(0, out_buff[i * 2]);
- EXPECT_EQ(out_buff[i * 2], out_buff[i * 2 + 1]);
- }
- cras_fmt_conv_destroy(&c);
-
- /* Swap channel to FR = 13450, FL = -100.
- * Assert output left is positive and right is negative. */
- swap_channel_layout(in_fmt.channel_layout, CRAS_CH_LFE, CRAS_CH_FR);
- swap_channel_layout(in_fmt.channel_layout, CRAS_CH_FC, CRAS_CH_FL);
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (i = 0; i < buf_size; i++) {
- EXPECT_LT(0, out_buff[i * 2]);
- EXPECT_GT(0, out_buff[i * 2 + 1]);
- }
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test 5.1 to Quad mix.
-TEST(FormatConverterTest, SurroundToQuad) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int16_t* in_buff;
- int16_t* out_buff;
- unsigned int i;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 6;
- out_fmt.num_channels = 4;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
- for (i = 0; i < CRAS_CH_MAX; i++)
- in_fmt.channel_layout[i] = surround_channel_center_layout[i];
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_out_frames_to_in(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (int16_t*)malloc(buf_size * 2 * cras_get_format_bytes(&in_fmt));
-
- const int16_t in_fl = 100;
- const int16_t in_fr = 200;
- const int16_t in_rl = 200;
- const int16_t in_rr = 300;
- const int16_t in_fc = 60;
- const int16_t in_lfe = 90;
-
- for (i = 0; i < buf_size; i++) {
- in_buff[i * 6 + CRAS_CH_FL] = in_fl;
- in_buff[i * 6 + CRAS_CH_FR] = in_fr;
- in_buff[i * 6 + CRAS_CH_RL] = in_rl;
- in_buff[i * 6 + CRAS_CH_RR] = in_rr;
- in_buff[i * 6 + CRAS_CH_FC] = in_fc;
- in_buff[i * 6 + CRAS_CH_LFE] = in_lfe;
- }
- out_buff = (int16_t*)malloc(buf_size * 2 * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- // This is the sum of mtx[CRAS_CH_FL] coefficients.
- const float normalize_factor = 1.0 / (1 + 0.707 + 0.5);
-
- for (i = 0; i < buf_size; i++) {
- int16_t lfe = 0.5 * normalize_factor * in_lfe;
- int16_t center = 0.707 * normalize_factor * in_fc;
- int16_t fl = normalize_factor * in_fl + center + lfe;
- int16_t fr = normalize_factor * in_fr + center + lfe;
- int16_t rl = normalize_factor * in_rl + lfe;
- int16_t rr = normalize_factor * in_rr + lfe;
-
- EXPECT_EQ(fl, out_buff[i * 4 + CRAS_CH_FL]);
- EXPECT_EQ(fr, out_buff[i * 4 + CRAS_CH_FR]);
- EXPECT_EQ(rl, out_buff[i * 4 + CRAS_CH_RL]);
- EXPECT_EQ(rr, out_buff[i * 4 + CRAS_CH_RR]);
- }
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test Quad to Stereo mix.
-TEST(FormatConverterTest, QuadToStereo) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int16_t* in_buff;
- int16_t* out_buff;
- unsigned int i;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 4;
- out_fmt.num_channels = 2;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
- for (i = 0; i < CRAS_CH_MAX; i++)
- in_fmt.channel_layout[i] = quad_channel_layout[i];
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_out_frames_to_in(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (int16_t*)malloc(buf_size * 2 * cras_get_format_bytes(&in_fmt));
-
- /*
- * Set left channel positive, right channel negative, assert values are
- * copied and scaled as expected.
- */
- for (i = 0; i < buf_size; i++) {
- in_buff[i * 4] = 800;
- in_buff[i * 4 + 1] = -800;
- in_buff[i * 4 + 2] = 80;
- in_buff[i * 4 + 3] = -80;
- }
- out_buff = (int16_t*)malloc(buf_size * 2 * cras_get_format_bytes(&out_fmt));
-
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (i = 0; i < buf_size; i++) {
- EXPECT_EQ(820, out_buff[i * 2]);
- EXPECT_EQ(-820, out_buff[i * 2 + 1]);
- }
- cras_fmt_conv_destroy(&c);
-
- /*
- * Swap left and right channels, check channel map is respected.
- */
- swap_channel_layout(in_fmt.channel_layout, CRAS_CH_FL, CRAS_CH_FR);
- swap_channel_layout(in_fmt.channel_layout, CRAS_CH_RL, CRAS_CH_RR);
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (i = 0; i < buf_size; i++) {
- EXPECT_EQ(-820, out_buff[i * 2]);
- EXPECT_EQ(820, out_buff[i * 2 + 1]);
- }
- cras_fmt_conv_destroy(&c);
-
- /*
- * Swap front and rear, check channel map is respected.
- */
- swap_channel_layout(in_fmt.channel_layout, CRAS_CH_FR, CRAS_CH_RR);
- swap_channel_layout(in_fmt.channel_layout, CRAS_CH_FL, CRAS_CH_RL);
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (i = 0; i < buf_size; i++) {
- EXPECT_EQ(-280, out_buff[i * 2]);
- EXPECT_EQ(280, out_buff[i * 2 + 1]);
- }
- cras_fmt_conv_destroy(&c);
-
- /*
- * Empty channel map, check default behavior is applied.
- */
- for (i = 0; i < CRAS_CH_MAX; i++)
- in_fmt.channel_layout[i] = -1;
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (i = 0; i < buf_size; i++) {
- EXPECT_EQ(820, out_buff[i * 2]);
- EXPECT_EQ(-820, out_buff[i * 2 + 1]);
- }
- cras_fmt_conv_destroy(&c);
-
- free(in_buff);
- free(out_buff);
-}
-
-// Test 2 to 1 SRC.
-TEST(FormatConverterTest, Convert2To1) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int16_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
-
- ResetStub();
- in_fmt.format = out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = out_fmt.num_channels = 2;
- in_fmt.frame_rate = 96000;
- out_fmt.frame_rate = 48000;
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size / 2, out_frames);
-
- in_buff = (int16_t*)ralloc(buf_size * 2 * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)ralloc(buf_size / 2 * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size / 2);
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test 1 to 2 SRC.
-TEST(FormatConverterTest, Convert1To2) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
- size_t out_frames;
- int16_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
-
- ResetStub();
- in_fmt.format = out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = out_fmt.num_channels = 2;
- in_fmt.frame_rate = 22050;
- out_fmt.frame_rate = 44100;
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size * 2, out_frames);
-
- in_buff = (int16_t*)ralloc(buf_size * 2 * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)ralloc(buf_size * 2 * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size * 2);
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test 1 to 2 SRC with mono to stereo conversion.
-TEST(FormatConverterTest, Convert1To2MonoToStereo) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
- size_t out_frames;
- int16_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
-
- ResetStub();
- in_fmt.format = out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 1;
- out_fmt.num_channels = 2;
- in_fmt.frame_rate = 22050;
- out_fmt.frame_rate = 44100;
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_out_frames_to_in(c, buf_size);
- EXPECT_EQ(buf_size / 2, out_frames);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size * 2, out_frames);
-
- in_buff = (int16_t*)ralloc(buf_size * 2 * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)ralloc(buf_size * 2 * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size * 2);
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test 32 to 16 bit conversion.
-TEST(FormatConverterTest, ConvertS32LEToS16LE) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int32_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S32_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = out_fmt.num_channels = 2;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (int32_t*)ralloc(buf_size * 2 * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)ralloc(buf_size * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (unsigned int i = 0; i < buf_size; i++)
- EXPECT_EQ((int16_t)(in_buff[i] >> 16), out_buff[i]);
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test 24 to 16 bit conversion.
-TEST(FormatConverterTest, ConvertS24LEToS16LE) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int32_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S24_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = out_fmt.num_channels = 2;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (int32_t*)ralloc(buf_size * 2 * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)ralloc(buf_size * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (unsigned int i = 0; i < buf_size; i++)
- EXPECT_EQ((int16_t)(in_buff[i] >> 8), out_buff[i]);
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test 8 to 16 bit conversion.
-TEST(FormatConverterTest, ConvertU8LEToS16LE) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- uint8_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_U8;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 2;
- out_fmt.num_channels = 2;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (uint8_t*)ralloc(buf_size * 2 * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)ralloc(buf_size * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (unsigned int i = 0; i < buf_size; i++)
- EXPECT_EQ((int16_t)((uint16_t)((int16_t)(in_buff[i]) - 128) << 8),
- out_buff[i]);
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test 16 to 32 bit conversion.
-TEST(FormatConverterTest, ConvertS16LEToS32LE) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int16_t* in_buff;
- int32_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_S32_LE;
- in_fmt.num_channels = out_fmt.num_channels = 2;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (int16_t*)ralloc(buf_size * cras_get_format_bytes(&in_fmt));
- out_buff = (int32_t*)ralloc(buf_size * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (unsigned int i = 0; i < buf_size; i++)
- EXPECT_EQ((int32_t)((uint32_t)(int32_t)in_buff[i] << 16), out_buff[i]);
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test 16 to 24 bit conversion.
-TEST(FormatConverterTest, ConvertS16LEToS24LE) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int16_t* in_buff;
- int32_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_S24_LE;
- in_fmt.num_channels = out_fmt.num_channels = 2;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (int16_t*)ralloc(buf_size * cras_get_format_bytes(&in_fmt));
- out_buff = (int32_t*)ralloc(buf_size * 2 * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (unsigned int i = 0; i < buf_size; i++)
- EXPECT_EQ((int32_t)((uint32_t)(int32_t)in_buff[i] << 8), out_buff[i]);
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test 16 to 8 bit conversion.
-TEST(FormatConverterTest, ConvertS16LEToU8) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int16_t* in_buff;
- uint8_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_U8;
- in_fmt.num_channels = 2;
- out_fmt.num_channels = 2;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (int16_t*)ralloc(buf_size * cras_get_format_bytes(&in_fmt));
- out_buff = (uint8_t*)ralloc(buf_size * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (unsigned int i = 0; i < buf_size; i++)
- EXPECT_EQ((in_buff[i] >> 8) + 128, out_buff[i]);
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test 32 bit 5.1 to 16 bit stereo conversion.
-TEST(FormatConverterTest, ConvertS32LEToS16LEDownmix51ToStereo) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int32_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
- int i;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S32_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 6;
- out_fmt.num_channels = 2;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
- for (i = 0; i < CRAS_CH_MAX; i++)
- in_fmt.channel_layout[i] = surround_channel_center_layout[i];
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (int32_t*)ralloc(buf_size * 2 * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)ralloc(buf_size * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test 16 bit stereo to 5.1 conversion.
-TEST(FormatConverterTest, ConvertS16LEToS16LEStereoTo51) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int16_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
- int i;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 2;
- out_fmt.num_channels = 6;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
- for (i = 0; i < CRAS_CH_MAX; i++)
- out_fmt.channel_layout[i] = surround_channel_center_layout[i];
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (int16_t*)ralloc(buf_size * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)ralloc(buf_size * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (unsigned int i = 0; i < buf_size; i++) {
- /* Check mono be converted to CRAS_CH_FL and CRAS_CH_FR */
- EXPECT_EQ(in_buff[2 * i], out_buff[6 * i]);
- EXPECT_EQ(in_buff[2 * i + 1], out_buff[6 * i + 1]);
- EXPECT_EQ(0, out_buff[6 * i + 2]);
- EXPECT_EQ(0, out_buff[6 * i + 3]);
- EXPECT_EQ(0, out_buff[6 * i + 4]);
- EXPECT_EQ(0, out_buff[6 * i + 5]);
- }
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test 16 bit mono to 5.1 conversion. Center.
-TEST(FormatConverterTest, ConvertS16LEToS16LEMonoTo51Center) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int16_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
- int i;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 1;
- out_fmt.num_channels = 6;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
- for (i = 0; i < CRAS_CH_MAX; i++)
- out_fmt.channel_layout[i] = surround_channel_center_layout[i];
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (int16_t*)ralloc(buf_size * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)ralloc(buf_size * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (unsigned int i = 0; i < buf_size; i++) {
- /* Check mono be converted to CRAS_CH_FC */
- EXPECT_EQ(in_buff[i], out_buff[6 * i + 4]);
- EXPECT_EQ(0, out_buff[6 * i + 0]);
- EXPECT_EQ(0, out_buff[6 * i + 1]);
- EXPECT_EQ(0, out_buff[6 * i + 2]);
- EXPECT_EQ(0, out_buff[6 * i + 3]);
- EXPECT_EQ(0, out_buff[6 * i + 5]);
- }
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test 16 bit mono to 5.1 conversion. Left Right.
-TEST(FormatConverterTest, ConvertS16LEToS16LEMonoTo51LeftRight) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int16_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
- unsigned int i, left, right;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 1;
- out_fmt.num_channels = 6;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
- for (i = 0; i < CRAS_CH_MAX; i++)
- out_fmt.channel_layout[i] = surround_channel_left_right_layout[i];
- left = surround_channel_left_right_layout[CRAS_CH_FL];
- right = surround_channel_left_right_layout[CRAS_CH_FR];
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (int16_t*)ralloc(buf_size * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)ralloc(buf_size * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (unsigned int i = 0; i < buf_size; i++) {
- /* Check mono be converted to CRAS_CH_FL and CRAS_CH_FR */
- for (unsigned int k = 0; k < 6; ++k) {
- if (k == left)
- EXPECT_EQ(in_buff[i] / 2, out_buff[6 * i + left]);
- else if (k == right)
- EXPECT_EQ(in_buff[i] / 2, out_buff[6 * i + right]);
- else
- EXPECT_EQ(0, out_buff[6 * i + k]);
- }
- }
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test 16 bit mono to 5.1 conversion. Unknown.
-TEST(FormatConverterTest, ConvertS16LEToS16LEMonoTo51Unknown) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int16_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
- int i;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 1;
- out_fmt.num_channels = 6;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
- for (i = 0; i < CRAS_CH_MAX; i++)
- out_fmt.channel_layout[i] = surround_channel_unknown_layout[i];
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (int16_t*)ralloc(buf_size * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)ralloc(buf_size * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (unsigned int i = 0; i < buf_size; i++) {
- /* Check mono be converted to CRAS_CH_FL */
- EXPECT_EQ(in_buff[i], out_buff[6 * i + 0]);
- EXPECT_EQ(0, out_buff[6 * i + 1]);
- EXPECT_EQ(0, out_buff[6 * i + 2]);
- EXPECT_EQ(0, out_buff[6 * i + 3]);
- EXPECT_EQ(0, out_buff[6 * i + 4]);
- EXPECT_EQ(0, out_buff[6 * i + 5]);
- }
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test 16 bit stereo to quad conversion.
-TEST(FormatConverterTest, ConvertS16LEToS16LEStereoToQuad) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int16_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 2;
- out_fmt.num_channels = 4;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
- for (unsigned int i = 0; i < CRAS_CH_MAX; i++)
- out_fmt.channel_layout[i] = quad_channel_layout[i];
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size, out_frames);
-
- in_buff = (int16_t*)malloc(buf_size * cras_get_format_bytes(&in_fmt));
- for (unsigned int i = 0; i < in_buf_size; i++) {
- in_buff[i * 2] = 40;
- in_buff[i * 2 + 1] = 80;
- }
-
- out_buff = (int16_t*)malloc(buf_size * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (unsigned int i = 0; i < buf_size; i++) {
- EXPECT_EQ(40, out_buff[4 * i]);
- EXPECT_EQ(80, out_buff[4 * i + 1]);
- EXPECT_EQ(40, out_buff[4 * i + 2]);
- EXPECT_EQ(80, out_buff[4 * i + 3]);
- }
- cras_fmt_conv_destroy(&c);
-
- // Swap channels and check channel layout is respected.
- swap_channel_layout(out_fmt.channel_layout, CRAS_CH_FL, CRAS_CH_RR);
- swap_channel_layout(out_fmt.channel_layout, CRAS_CH_RL, CRAS_CH_FR);
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(buf_size, out_frames);
- for (unsigned int i = 0; i < buf_size; i++) {
- EXPECT_EQ(80, out_buff[4 * i]);
- EXPECT_EQ(40, out_buff[4 * i + 1]);
- EXPECT_EQ(80, out_buff[4 * i + 2]);
- EXPECT_EQ(40, out_buff[4 * i + 3]);
- }
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test 32 bit 5.1 to 16 bit stereo conversion with SRC 1 to 2.
-TEST(FormatConverterTest, ConvertS32LEToS16LEDownmix51ToStereo48To96) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int32_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
- int i;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S32_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 6;
- out_fmt.num_channels = 2;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 96000;
- for (i = 0; i < CRAS_CH_MAX; i++)
- in_fmt.channel_layout[i] = surround_channel_center_layout[i];
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size * 2, out_frames);
-
- in_buff = (int32_t*)ralloc(buf_size * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)ralloc(buf_size * 2 * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size * 2);
- EXPECT_EQ(buf_size * 2, out_frames);
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test 32 bit 5.1 to 16 bit stereo conversion with SRC 2 to 1.
-TEST(FormatConverterTest, ConvertS32LEToS16LEDownmix51ToStereo96To48) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int32_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
- int i;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S32_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 6;
- out_fmt.num_channels = 2;
- in_fmt.frame_rate = 96000;
- out_fmt.frame_rate = 48000;
- for (i = 0; i < CRAS_CH_MAX; i++)
- in_fmt.channel_layout[i] = surround_channel_center_layout[i];
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size / 2, out_frames);
-
- in_buff = (int32_t*)ralloc(buf_size * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)ralloc(buf_size / 2 * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size / 2);
- EXPECT_EQ(buf_size / 2, out_frames);
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test 32 bit 5.1 to 16 bit stereo conversion with SRC 48 to 44.1.
-TEST(FormatConverterTest, ConvertS32LEToS16LEDownmix51ToStereo48To441) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- size_t ret_frames;
- int32_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
- int i;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S32_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 6;
- out_fmt.num_channels = 2;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 44100;
- for (i = 0; i < CRAS_CH_MAX; i++)
- in_fmt.channel_layout[i] = surround_channel_center_layout[i];
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_LT(out_frames, buf_size);
-
- in_buff = (int32_t*)ralloc(buf_size * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)ralloc(out_frames * cras_get_format_bytes(&out_fmt));
- ret_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, out_frames);
- EXPECT_EQ(out_frames, ret_frames);
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test 32 bit 5.1 to 16 bit stereo conversion with SRC 441 to 48.
-TEST(FormatConverterTest, ConvertS32LEToS16LEDownmix51ToStereo441To48) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- size_t ret_frames;
- int32_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
- int i;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S32_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 6;
- out_fmt.num_channels = 2;
- in_fmt.frame_rate = 44100;
- out_fmt.frame_rate = 48000;
- for (i = 0; i < CRAS_CH_MAX; i++)
- in_fmt.channel_layout[i] = surround_channel_center_layout[i];
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_GT(out_frames, buf_size);
-
- in_buff = (int32_t*)ralloc(buf_size * cras_get_format_bytes(&in_fmt));
- out_buff =
- (int16_t*)ralloc((out_frames - 1) * cras_get_format_bytes(&out_fmt));
- ret_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, out_frames - 1);
- EXPECT_EQ(out_frames - 1, ret_frames);
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test Invalid buffer length just truncates.
-TEST(FormatConverterTest, ConvertS32LEToS16LEDownmix51ToStereo96To48Short) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- size_t ret_frames;
- int32_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
- int i;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S32_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 6;
- out_fmt.num_channels = 2;
- in_fmt.frame_rate = 96000;
- out_fmt.frame_rate = 48000;
- for (i = 0; i < CRAS_CH_MAX; i++)
- in_fmt.channel_layout[i] = surround_channel_center_layout[i];
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size, 0);
- ASSERT_NE(c, (void*)NULL);
-
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(buf_size / 2, out_frames);
-
- in_buff = (int32_t*)ralloc(buf_size * cras_get_format_bytes(&in_fmt));
- out_buff =
- (int16_t*)ralloc((out_frames - 2) * cras_get_format_bytes(&out_fmt));
- ret_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, out_frames - 2);
- EXPECT_EQ(out_frames - 2, ret_frames);
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test format convert pre linear resample and then follows SRC from 96 to 48.
-TEST(FormatConverterTest, Convert96to48PreLinearResample) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int32_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
- unsigned int expected_fr;
- int i;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 2;
- out_fmt.num_channels = 2;
- in_fmt.frame_rate = 96000;
- out_fmt.frame_rate = 48000;
- for (i = 0; i < CRAS_CH_MAX; i++) {
- in_fmt.channel_layout[i] = surround_channel_center_layout[i];
- out_fmt.channel_layout[i] = surround_channel_center_layout[i];
- }
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size * 2, 1);
- ASSERT_NE(c, (void*)NULL);
- EXPECT_EQ(out_fmt.frame_rate, linear_resampler_src_rate);
- EXPECT_EQ(out_fmt.frame_rate, linear_resampler_dst_rate);
-
- linear_resampler_needed_val = 1;
- linear_resampler_ratio = 1.01;
- expected_fr = buf_size / 2 * linear_resampler_ratio;
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(expected_fr, out_frames);
-
- in_buff = (int32_t*)ralloc(buf_size * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)ralloc(buf_size * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, out_frames);
- EXPECT_EQ(expected_fr, out_frames);
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test format convert SRC from 96 to 48 and then post linear resample.
-TEST(FormatConverterTest, Convert96to48PostLinearResample) {
- struct cras_fmt_conv* c;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- size_t out_frames;
- int32_t* in_buff;
- int16_t* out_buff;
- const size_t buf_size = 4096;
- unsigned int in_buf_size = 4096;
- unsigned int expected_fr;
- int i;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 2;
- out_fmt.num_channels = 2;
- in_fmt.frame_rate = 96000;
- out_fmt.frame_rate = 48000;
- for (i = 0; i < CRAS_CH_MAX; i++) {
- in_fmt.channel_layout[i] = surround_channel_center_layout[i];
- out_fmt.channel_layout[i] = surround_channel_center_layout[i];
- }
-
- c = cras_fmt_conv_create(&in_fmt, &out_fmt, buf_size * 2, 0);
- ASSERT_NE(c, (void*)NULL);
- EXPECT_EQ(out_fmt.frame_rate, linear_resampler_src_rate);
- EXPECT_EQ(out_fmt.frame_rate, linear_resampler_dst_rate);
-
- linear_resampler_needed_val = 1;
- linear_resampler_ratio = 0.99;
- expected_fr = buf_size / 2 * linear_resampler_ratio;
- out_frames = cras_fmt_conv_in_frames_to_out(c, buf_size);
- EXPECT_EQ(expected_fr, out_frames);
-
- in_buff = (int32_t*)ralloc(buf_size * cras_get_format_bytes(&in_fmt));
- out_buff = (int16_t*)ralloc(buf_size * cras_get_format_bytes(&out_fmt));
- out_frames = cras_fmt_conv_convert_frames(
- c, (uint8_t*)in_buff, (uint8_t*)out_buff, &in_buf_size, buf_size);
- EXPECT_EQ(expected_fr, out_frames);
-
- cras_fmt_conv_destroy(&c);
- free(in_buff);
- free(out_buff);
-}
-
-// Test format converter created in config_format_converter
-TEST(FormatConverterTest, ConfigConverter) {
- int i;
- struct cras_fmt_conv* c = NULL;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 1;
- out_fmt.num_channels = 2;
- in_fmt.frame_rate = 96000;
- out_fmt.frame_rate = 48000;
- for (i = 0; i < CRAS_CH_MAX; i++) {
- in_fmt.channel_layout[i] = mono_channel_layout[i];
- out_fmt.channel_layout[i] = stereo_channel_layout[i];
- }
-
- config_format_converter(&c, CRAS_STREAM_OUTPUT, &in_fmt, &out_fmt, 4096);
- ASSERT_NE(c, (void*)NULL);
-
- cras_fmt_conv_destroy(&c);
-}
-
-// Test format converter not created when in/out format conversion is not
-// needed.
-TEST(FormatConverterTest, ConfigConverterNoNeed) {
- int i;
- struct cras_fmt_conv* c = NULL;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 2;
- out_fmt.num_channels = 2;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
- for (i = 0; i < CRAS_CH_MAX; i++) {
- in_fmt.channel_layout[i] = stereo_channel_layout[i];
- out_fmt.channel_layout[i] = stereo_channel_layout[i];
- }
-
- config_format_converter(&c, CRAS_STREAM_OUTPUT, &in_fmt, &out_fmt, 4096);
- EXPECT_NE(c, (void*)NULL);
- EXPECT_EQ(0, cras_fmt_conversion_needed(c));
- cras_fmt_conv_destroy(&c);
-}
-
-// Test format converter not created for input when in/out format differs
-// at channel count or layout.
-TEST(FormatConverterTest, ConfigConverterNoNeedForInput) {
- static int kmic_channel_layout[CRAS_CH_MAX] = {0, 1, -1, -1, 2, -1,
- -1, -1, -1, -1, -1};
- int i;
- struct cras_fmt_conv* c = NULL;
- struct cras_audio_format in_fmt;
- struct cras_audio_format out_fmt;
-
- ResetStub();
- in_fmt.format = SND_PCM_FORMAT_S16_LE;
- out_fmt.format = SND_PCM_FORMAT_S16_LE;
- in_fmt.num_channels = 2;
- out_fmt.num_channels = 3;
- in_fmt.frame_rate = 48000;
- out_fmt.frame_rate = 48000;
- for (i = 0; i < CRAS_CH_MAX; i++) {
- in_fmt.channel_layout[i] = stereo_channel_layout[i];
- out_fmt.channel_layout[i] = kmic_channel_layout[i];
- }
-
- config_format_converter(&c, CRAS_STREAM_INPUT, &in_fmt, &out_fmt, 4096);
- EXPECT_NE(c, (void*)NULL);
- EXPECT_EQ(0, cras_fmt_conversion_needed(c));
- cras_fmt_conv_destroy(&c);
-}
-
-TEST(ChannelRemixTest, ChannelRemixAppliedOrNot) {
- float coeff[4] = {0.5, 0.5, 0.26, 0.73};
- struct cras_fmt_conv* conv;
- struct cras_audio_format fmt;
- int16_t *buf, *res;
- unsigned i;
-
- fmt.num_channels = 2;
- conv = cras_channel_remix_conv_create(2, coeff);
-
- buf = (int16_t*)ralloc(50 * 4);
- res = (int16_t*)malloc(50 * 4);
-
- memcpy(res, buf, 50 * 4);
-
- /* Remix conversion will not apply for non S16_LE format. */
- fmt.format = SND_PCM_FORMAT_S24_LE;
- cras_channel_remix_convert(conv, &fmt, (uint8_t*)buf, 50);
- for (i = 0; i < 100; i++)
- EXPECT_EQ(res[i], buf[i]);
-
- for (i = 0; i < 100; i += 2) {
- res[i] = coeff[0] * buf[i];
- res[i] += coeff[1] * buf[i + 1];
- res[i + 1] = coeff[2] * buf[i];
- res[i + 1] += coeff[3] * buf[i + 1];
- }
-
- fmt.format = SND_PCM_FORMAT_S16_LE;
- cras_channel_remix_convert(conv, &fmt, (uint8_t*)buf, 50);
- for (i = 0; i < 100; i++)
- EXPECT_EQ(res[i], buf[i]);
-
- /* If num_channels not match, remix conversion will not apply. */
- fmt.num_channels = 6;
- cras_channel_remix_convert(conv, &fmt, (uint8_t*)buf, 50);
- for (i = 0; i < 100; i++)
- EXPECT_EQ(res[i], buf[i]);
-
- cras_fmt_conv_destroy(&conv);
- free(buf);
- free(res);
-}
-
-int main(int argc, char** argv) {
- ::testing::InitGoogleTest(&argc, argv);
- return RUN_ALL_TESTS();
-}
-
-extern "C" {
-float** cras_channel_conv_matrix_alloc(size_t in_ch, size_t out_ch) {
- int i;
- float** conv_mtx;
- conv_mtx = (float**)calloc(CRAS_CH_MAX, sizeof(*conv_mtx));
- for (i = 0; i < CRAS_CH_MAX; i++)
- conv_mtx[i] = (float*)calloc(CRAS_CH_MAX, sizeof(*conv_mtx[i]));
- return conv_mtx;
-}
-void cras_channel_conv_matrix_destroy(float** mtx, size_t out_ch) {
- int i;
- for (i = 0; i < CRAS_CH_MAX; i++)
- free(mtx[i]);
- free(mtx);
-}
-float** cras_channel_conv_matrix_create(const struct cras_audio_format* in,
- const struct cras_audio_format* out) {
- return cras_channel_conv_matrix_alloc(in->num_channels, out->num_channels);
-}
-struct linear_resampler* linear_resampler_create(unsigned int num_channels,
- unsigned int format_bytes,
- float src_rate,
- float dst_rate) {
- linear_resampler_format_bytes = format_bytes;
- linear_resampler_num_channels = num_channels;
- linear_resampler_src_rate = src_rate;
- linear_resampler_dst_rate = dst_rate;
- return reinterpret_cast<struct linear_resampler*>(0x33);
- ;
-}
-
-int linear_resampler_needed(struct linear_resampler* lr) {
- return linear_resampler_needed_val;
-}
-
-void linear_resampler_set_rates(struct linear_resampler* lr,
- unsigned int from,
- unsigned int to) {
- linear_resampler_src_rate = from;
- linear_resampler_dst_rate = to;
-}
-
-unsigned int linear_resampler_out_frames_to_in(struct linear_resampler* lr,
- unsigned int frames) {
- return (double)frames / linear_resampler_ratio;
-}
-
-/* Converts the frames count from input rate to output rate. */
-unsigned int linear_resampler_in_frames_to_out(struct linear_resampler* lr,
- unsigned int frames) {
- return (double)frames * linear_resampler_ratio;
-}
-
-unsigned int linear_resampler_resample(struct linear_resampler* lr,
- uint8_t* src,
- unsigned int* src_frames,
- uint8_t* dst,
- unsigned dst_frames) {
- unsigned int resampled_fr = *src_frames * linear_resampler_ratio;
-
- if (resampled_fr > dst_frames) {
- resampled_fr = dst_frames;
- *src_frames = dst_frames / linear_resampler_ratio;
- }
- unsigned int resampled_bytes = resampled_fr * linear_resampler_format_bytes *
- linear_resampler_num_channels;
- for (size_t i = 0; i < resampled_bytes; i++)
- dst[i] = (uint8_t)rand() & 0xff;
-
- return resampled_fr;
-}
-
-void linear_resampler_destroy(struct linear_resampler* lr) {}
-} // extern "C"
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