Introduce VideoConfig/AudioConfig class for CMA backend

chromecast/public/media/decoder_config.h

Index: chromecast/public/media/decoder_config.h
diff --git a/chromecast/public/media/decoder_config.h b/chromecast/public/media/decoder_config.h
new file mode 100644
index 0000000000000000000000000000000000000000..e7363543a836aa3c59a91b61371acceb67093c27
--- /dev/null
+++ b/chromecast/public/media/decoder_config.h
@@ -0,0 +1,100 @@
+// 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.
+
+#ifndef CHROMECAST_PUBLIC_MEDIA_DECODER_CONFIG_H_
+#define CHROMECAST_PUBLIC_MEDIA_DECODER_CONFIG_H_
+
+#include <stdint.h>
+#include <vector>
+
+namespace chromecast {
+namespace media {
+
+enum AudioCodec {
+  kAudioCodecUnknown = -1,
+
+  kAudioCodecMin = 0,
+  kCodecAAC = kAudioCodecMin,
+  kCodecMP3,
+  kCodecPCM,
+  kCodecPCM_S16BE,
+  kCodecVorbis,
+  kCodecOpus,
+  kCodecEAC3,
+  kCodecAC3,
+  kCodecDTS,
+  kAudioCodecMax = kCodecDTS,
+};
+
+enum VideoCodec {
+  kVideoCodecUnknown = -1,
+
+  kVideoCodecMin = 0,
+  kCodecH264 = kVideoCodecMin,
+  kCodecVC1,
+  kCodecMPEG2,
+  kCodecMPEG4,
+  kCodecTheora,
+  kCodecVP8,
+  kCodecVP9,
+  kCodecHEVC,
+  kVideoCodecMax = kCodecHEVC,
+};
+
+// Profile for Video codec.
+enum VideoProfile {
+  kVideoProfileUnknown = -1,
+
+  kVideoProfileMin = 0,
+  kH264Baseline = kVideoProfileMin,
+  kH264Main = 1,

[gunsch, 2015/05/01 05:32:01]

why are these values numbered, while the ones above not?

+  kH264Extended = 2,
+  kH264High = 3,
+  kH264High10 = 4,
+  kH264High422 = 5,
+  kH264High444Predictive = 6,
+  kH264ScalableBaseline = 7,
+  kH264ScalableHigh = 8,
+  kH264Stereohigh = 9,
+  kH264MultiviewHigh = 10,
+  kVP8ProfileAny = 11,
+  kVP9ProfileAny = 12,
+  kVideoProfileMax = kVP9ProfileAny,
+};
+
+struct DecoderConfig {
+  DecoderConfig();
+  ~DecoderConfig();
+
+  // Optional extra buffer for decoder initialization.
+  std::vector<uint8_t> extra_data;
+  bool is_encrypted;
+};
+

[gunsch, 2015/05/01 05:32:01]

nit: extra blank line

+
+struct AudioConfig : public DecoderConfig {
+  AudioConfig();
+  ~AudioConfig();
+  bool IsValidConfig() const;
+
+  AudioCodec codec;
+  int bytes_per_channel;
+  int channel_number;
+  int samples_per_second;
+};
+
+struct VideoConfig : public DecoderConfig {
+  VideoConfig();
+  ~VideoConfig();
+  bool IsValidConfig() const;
+
+  VideoCodec codec;
+  VideoProfile profile;
+  VideoConfig* additional_config;
+};
+
+}  // namespace media
+}  // namespace chromecast
+
+#endif  // CHROMECAST_PUBLIC_MEDIA_DECODER_CONFIG_H_