Simplified AudioOutputStream interface.

media/audio/audio_parameters.cc

Index: media/audio/audio_parameters.cc
diff --git a/media/audio/audio_parameters.cc b/media/audio/audio_parameters.cc
index ca12452e475d9cbfca3083bd48a6845329cffe92..b0a691b6da616c9c5270961f993c3b1c216df72c 100644
--- a/media/audio/audio_parameters.cc
+++ b/media/audio/audio_parameters.cc
@@ -10,15 +10,18 @@ AudioParameters::AudioParameters()
     : format(AUDIO_PCM_LINEAR),
       channels(0),
       sample_rate(0),
-      bits_per_sample(0) {
+      bits_per_sample(0),
+      samples_per_packet(0) {
 }
 
 AudioParameters::AudioParameters(Format format, int channels,
-                                 int sample_rate, int bits_per_sample)
+                                 int sample_rate, int bits_per_sample,
+                                 int samples_per_packet)
     : format(format),
       channels(channels),
       sample_rate(sample_rate),
-      bits_per_sample(bits_per_sample) {
+      bits_per_sample(bits_per_sample),
+      samples_per_packet(samples_per_packet) {
 }
 
 bool AudioParameters::IsValid() const {
@@ -26,5 +29,11 @@ bool AudioParameters::IsValid() const {
       (channels > 0) && (channels <= media::Limits::kMaxChannels) &&
       (sample_rate > 0) && (sample_rate <= media::Limits::kMaxSampleRate) &&
       (bits_per_sample > 0) &&
-      (bits_per_sample <= media::Limits::kMaxBitsPerSample);
+      (bits_per_sample <= media::Limits::kMaxBitsPerSample) &&
+      (samples_per_packet > 0) &&
+      (samples_per_packet <= media::Limits::kMaxSamplesPerPacket);
+}
+
+int AudioParameters::GetPacketSize() const {
+  return samples_per_packet * channels * bits_per_sample / 8;
 }