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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include <stdint.h> |
| 6 |
| 5 #include <algorithm> | 7 #include <algorithm> |
| 6 #include <cstdio> | 8 #include <cstdio> |
| 7 #include <cstdlib> | 9 #include <cstdlib> |
| 10 #include <limits> |
| 8 #include <vector> | 11 #include <vector> |
| 9 | 12 |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/logging.h" | 13 #include "base/logging.h" |
| 12 #include "media/cast/test/utility/audio_utility.h" | 14 #include "media/cast/test/utility/audio_utility.h" |
| 13 | 15 |
| 14 const size_t kSamplingFrequency = 48000; | 16 const size_t kSamplingFrequency = 48000; |
| 15 | 17 |
| 16 int main(int argc, char **argv) { | 18 int main(int argc, char **argv) { |
| 17 if (argc < 3) { | 19 if (argc < 3) { |
| 18 fprintf(stderr, "Usage: %s <fps> <frames> >output.s16le\n", argv[0]); | 20 fprintf(stderr, "Usage: %s <fps> <frames> >output.s16le\n", argv[0]); |
| 19 exit(1); | 21 exit(1); |
| 20 } | 22 } |
| 21 int fps = atoi(argv[1]); | 23 int fps = atoi(argv[1]); |
| 22 const uint32 frames = static_cast<uint32>(std::max(0, atoi(argv[2]))); | 24 const uint32_t frames = static_cast<uint32_t>(std::max(0, atoi(argv[2]))); |
| 23 std::vector<float> samples(kSamplingFrequency / fps); | 25 std::vector<float> samples(kSamplingFrequency / fps); |
| 24 size_t num_samples = 0; | 26 size_t num_samples = 0; |
| 25 for (uint32 frame_id = 1; frame_id <= frames; frame_id++) { | 27 for (uint32_t frame_id = 1; frame_id <= frames; frame_id++) { |
| 26 CHECK(media::cast::EncodeTimestamp( | 28 CHECK(media::cast::EncodeTimestamp( |
| 27 frame_id, num_samples, samples.size(), &samples.front())); | 29 frame_id, num_samples, samples.size(), &samples.front())); |
| 28 num_samples += samples.size(); | 30 num_samples += samples.size(); |
| 29 for (size_t i = 0; i < samples.size(); ++i) { | 31 for (size_t i = 0; i < samples.size(); ++i) { |
| 30 const int16 sample_s16 = static_cast<int16>(samples[i] * kint16max); | 32 const int16_t sample_s16 = static_cast<int16_t>( |
| 33 samples[i] * std::numeric_limits<int16_t>::max()); |
| 31 putchar(sample_s16 & 0xff); | 34 putchar(sample_s16 & 0xff); |
| 32 putchar(sample_s16 >> 8); | 35 putchar(sample_s16 >> 8); |
| 33 putchar(sample_s16 & 0xff); | 36 putchar(sample_s16 & 0xff); |
| 34 putchar(sample_s16 >> 8); | 37 putchar(sample_s16 >> 8); |
| 35 } | 38 } |
| 36 } | 39 } |
| 37 } | 40 } |
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