Introduce VideoConfig/AudioConfig class for CMA backend

chromecast/public/media/decoder_config.cc

+// Copyright 2015 The Chromium 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 "chromecast/public/media/decoder_config.h"

[gunsch, 2015/04/29 17:42:52]

Should this be "decoder_config.h" or "media/decoder_config.h"? The
chromecast/public/ directory should be trying to make no assumptions that
involve the chromium root path.

[erickung1, 2015/04/29 20:49:15]

Done.

+
+namespace {

[gunsch, 2015/04/29 17:42:52]

nit: put anonymous namespace within chromecast::media

[erickung1, 2015/04/29 20:49:15]

Done.

+
+// Maximum audio bytes per sample.
+static int kMaxBytesPerSample = 4;

[gunsch, 2015/04/29 17:42:52]

const (here and below)

[erickung1, 2015/04/29 20:49:15]

Done.

+
+// Maximum audio sampling rate.
+static int kMaxSampleRate = 192000;
+
+}

[gunsch, 2015/04/29 17:42:52]

// namespace

[erickung1, 2015/04/29 20:49:15]

Done.

+
+namespace chromecast {
+namespace media {
+
+DecoderConfig::DecoderConfig()
+  : is_encrypted(false) {
+}
+
+DecoderConfig::~DecoderConfig() {
+}
+
+AudioConfig::AudioConfig()
+    : codec(kAudioCodecUnknown),
+      bytes_per_channel(0),
+      channel_number(0),
+      samples_per_second(0) {
+}
+
+AudioConfig::~AudioConfig() {
+}
+
+bool AudioConfig::IsValidConfig() const {
+  return codec >= kAudioCodecMin &&
+      codec <= kAudioCodecMax &&
+      channel_number > 0 &&
+      bytes_per_channel > 0 &&
+      bytes_per_channel <= kMaxBytesPerSample &&
+      samples_per_second > 0 &&
+      samples_per_second <= kMaxSampleRate;
+}
+
+VideoConfig::VideoConfig()
+    : codec(kVideoCodecUnknown),
+      profile(kVideoProfileUnknown),
+      additional_config(NULL) {
+}
+
+VideoConfig::~VideoConfig() {
+}
+
+bool VideoConfig::IsValidConfig() const {
+  return (codec >= kVideoCodecMin && codec <= kVideoCodecMax);

[gunsch, 2015/04/29 17:42:52]

nit: unnecessary parens

[erickung1, 2015/04/29 20:49:15]

Done.

+}
+
+
+}  // namespace media
+}  // namespace chromecast