media/cast/cast_config.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MEDIA_CAST_CAST_CONFIG_H_
   6 #define MEDIA_CAST_CAST_CONFIG_H_
   7
   8 #include <list>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/basictypes.h"
  13 #include "base/callback.h"
  14 #include "base/memory/ref_counted.h"
  15 #include "media/cast/cast_defines.h"
  16 #include "media/cast/transport/cast_transport_config.h"
  17
  18 namespace media {
  19 namespace cast {
  20
  21 enum RtcpMode {
  22   kRtcpCompound,     // Compound RTCP mode is described by RFC 4585.
  23   kRtcpReducedSize,  // Reduced-size RTCP mode is described by RFC 5506.
  24 };
  25
  26 struct AudioSenderConfig {
  27   AudioSenderConfig();
  28
  29   uint32 sender_ssrc;
  30   uint32 incoming_feedback_ssrc;
  31
  32   int rtcp_interval;
  33   std::string rtcp_c_name;
  34   RtcpMode rtcp_mode;
  35
  36   transport::RtpConfig rtp_config;
  37
  38   bool use_external_encoder;
  39   int frequency;
  40   int channels;
  41   int bitrate;  // Set to <= 0 for "auto variable bitrate" (libopus knows best).
  42   transport::AudioCodec codec;
  43 };
  44
  45 struct VideoSenderConfig {
  46   VideoSenderConfig();
  47
  48   uint32 sender_ssrc;
  49   uint32 incoming_feedback_ssrc;
  50
  51   int rtcp_interval;
  52   std::string rtcp_c_name;
  53   RtcpMode rtcp_mode;
  54
  55   transport::RtpConfig rtp_config;
  56
  57   bool use_external_encoder;
  58   int width;  // Incoming frames will be scaled to this size.
  59   int height;
  60
  61   float congestion_control_back_off;
  62   int max_bitrate;
  63   int min_bitrate;
  64   int start_bitrate;
  65   int max_qp;
  66   int min_qp;
  67   int max_frame_rate;
  68   int max_number_of_video_buffers_used;  // Max value depend on codec.
  69   transport::VideoCodec codec;
  70   int number_of_cores;
  71 };
  72
  73 struct AudioReceiverConfig {
  74   AudioReceiverConfig();
  75
  76   uint32 feedback_ssrc;
  77   uint32 incoming_ssrc;
  78
  79   int rtcp_interval;
  80   std::string rtcp_c_name;
  81   RtcpMode rtcp_mode;
  82
  83   // The time the receiver is prepared to wait for retransmissions.
  84   int rtp_max_delay_ms;
  85   int rtp_payload_type;
  86
  87   bool use_external_decoder;
  88   int frequency;
  89   int channels;
  90   transport::AudioCodec codec;
  91
  92   std::string aes_key;      // Binary string of size kAesKeySize.
  93   std::string aes_iv_mask;  // Binary string of size kAesKeySize.
  94 };
  95
  96 struct VideoReceiverConfig {
  97   VideoReceiverConfig();
  98
  99   uint32 feedback_ssrc;
 100   uint32 incoming_ssrc;
 101
 102   int rtcp_interval;
 103   std::string rtcp_c_name;
 104   RtcpMode rtcp_mode;
 105
 106   // The time the receiver is prepared to wait for retransmissions.
 107   int rtp_max_delay_ms;
 108   int rtp_payload_type;
 109
 110   bool use_external_decoder;
 111   int max_frame_rate;
 112
 113   // Some HW decoders can not run faster than the frame rate, preventing it
 114   // from catching up after a glitch.
 115   bool decoder_faster_than_max_frame_rate;
 116   transport::VideoCodec codec;
 117
 118   std::string aes_key;      // Binary string of size kAesKeySize.
 119   std::string aes_iv_mask;  // Binary string of size kAesKeySize.
 120 };
 121
 122 // DEPRECATED: Do not use in new code.  Please migrate existing code to use
 123 // media::AudioBus.
 124 struct PcmAudioFrame {
 125   PcmAudioFrame();
 126   ~PcmAudioFrame();
 127
 128   int channels;  // Samples in interleaved stereo format. L0, R0, L1 ,R1 ,...
 129   int frequency;
 130   std::vector<int16> samples;
 131 };
 132
 133 // import from media::cast::transport
 134 typedef transport::Packet Packet;
 135 typedef transport::PacketList PacketList;
 136
 137 enum CastInitializationStatus {
 138   STATUS_INITIALIZED,
 139   STATUS_INVALID_CAST_ENVIRONMENT,
 140   STATUS_INVALID_CRYPTO_CONFIGURATION,
 141   STATUS_UNSUPPORTED_AUDIO_CODEC,
 142   STATUS_INVALID_AUDIO_CONFIGURATION,
 143   STATUS_INVALID_VIDEO_CONFIGURATION,
 144   STATUS_GPU_ACCELERATION_NOT_SUPPORTED,
 145   STATUS_GPU_ACCELERATION_ERROR,
 146 };
 147
 148 typedef base::Callback<void(CastInitializationStatus)>
 149     CastInitializationCallback;
 150
 151 }  // namespace cast
 152 }  // namespace media
 153
 154 #endif  // MEDIA_CAST_CAST_CONFIG_H_