1a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// Copyright 2014 The Chromium Authors. All rights reserved. 2a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 3a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// found in the LICENSE file. 4a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 5c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#include <algorithm> 6c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#include <cstdio> 7c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#include <cstdlib> 8a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include <vector> 9a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 10c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch#include "base/basictypes.h" 110529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch#include "base/logging.h" 12a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "media/cast/test/utility/audio_utility.h" 13a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 14a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)const size_t kSamplingFrequency = 48000; 15a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 16a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)int main(int argc, char **argv) { 17a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (argc < 3) { 18a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) fprintf(stderr, "Usage: %s <fps> <frames> >output.s16le\n", argv[0]); 19a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) exit(1); 20a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 21a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) int fps = atoi(argv[1]); 22c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch const uint32 frames = static_cast<uint32>(std::max(0, atoi(argv[2]))); 23c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch std::vector<float> samples(kSamplingFrequency / fps); 24a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) size_t num_samples = 0; 25a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) for (uint32 frame_id = 1; frame_id <= frames; frame_id++) { 26c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch CHECK(media::cast::EncodeTimestamp( 27c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch frame_id, num_samples, samples.size(), &samples.front())); 28a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) num_samples += samples.size(); 29c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch for (size_t i = 0; i < samples.size(); ++i) { 30c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch const int16 sample_s16 = static_cast<int16>(samples[i] * kint16max); 31c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch putchar(sample_s16 & 0xff); 32c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch putchar(sample_s16 >> 8); 33c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch putchar(sample_s16 & 0xff); 34c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch putchar(sample_s16 >> 8); 35a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 36a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 37a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 38