diff options
Diffstat (limited to 'media/audio/linux/alsa_output.cc')
| -rw-r--r-- | media/audio/linux/alsa_output.cc | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/media/audio/linux/alsa_output.cc b/media/audio/linux/alsa_output.cc index f6091a8..1ee85e7 100644 --- a/media/audio/linux/alsa_output.cc +++ b/media/audio/linux/alsa_output.cc @@ -112,6 +112,10 @@ const int AlsaPcmOutputStream::kMinLatencyMicros = namespace { +// ALSA is currently limited to 48Khz. +// TODO(fbarchard): Resample audio from higher frequency to 48000. +const int kMaxSampleRate = 48000; + snd_pcm_format_t BitsToFormat(char bits_per_sample) { switch (bits_per_sample) { case 8: @@ -257,6 +261,11 @@ AlsaPcmOutputStream::AlsaPcmOutputStream(const std::string& device_name, message_loop_(message_loop) { // Sanity check input values. + if ((sample_rate > kMaxSampleRate) || (sample_rate <= 0)) { + LOG(WARNING) << "Unsupported audio frequency."; + shared_data_.TransitionTo(kInError); + } + if (AudioManager::AUDIO_PCM_LINEAR != format) { LOG(WARNING) << "Only linear PCM supported."; shared_data_.TransitionTo(kInError); |