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      1 /*
      2  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 // TODO(pbos): Move Config from common.h to here.
     12 
     13 #ifndef WEBRTC_VIDEO_ENGINE_NEW_INCLUDE_CONFIG_H_
     14 #define WEBRTC_VIDEO_ENGINE_NEW_INCLUDE_CONFIG_H_
     15 
     16 #include <string>
     17 #include <vector>
     18 
     19 #include "webrtc/common_types.h"
     20 #include "webrtc/typedefs.h"
     21 
     22 namespace webrtc {
     23 
     24 struct RtpStatistics {
     25   RtpStatistics()
     26       : ssrc(0),
     27         fraction_loss(0),
     28         cumulative_loss(0),
     29         extended_max_sequence_number(0) {}
     30   uint32_t ssrc;
     31   int fraction_loss;
     32   int cumulative_loss;
     33   int extended_max_sequence_number;
     34   std::string c_name;
     35 };
     36 
     37 struct StreamStats {
     38   StreamStats() : key_frames(0), delta_frames(0), bitrate_bps(0) {}
     39   uint32_t key_frames;
     40   uint32_t delta_frames;
     41   int32_t bitrate_bps;
     42   StreamDataCounters rtp_stats;
     43   RtcpStatistics rtcp_stats;
     44 };
     45 
     46 // Settings for NACK, see RFC 4585 for details.
     47 struct NackConfig {
     48   NackConfig() : rtp_history_ms(0) {}
     49   // Send side: the time RTP packets are stored for retransmissions.
     50   // Receive side: the time the receiver is prepared to wait for
     51   // retransmissions.
     52   // Set to '0' to disable.
     53   int rtp_history_ms;
     54 };
     55 
     56 // Settings for forward error correction, see RFC 5109 for details. Set the
     57 // payload types to '-1' to disable.
     58 struct FecConfig {
     59   FecConfig() : ulpfec_payload_type(-1), red_payload_type(-1) {}
     60   std::string ToString() const;
     61   // Payload type used for ULPFEC packets.
     62   int ulpfec_payload_type;
     63 
     64   // Payload type used for RED packets.
     65   int red_payload_type;
     66 };
     67 
     68 // RTP header extension to use for the video stream, see RFC 5285.
     69 struct RtpExtension {
     70   RtpExtension(const char* name, int id) : name(name), id(id) {}
     71   std::string ToString() const;
     72   // TODO(mflodman) Add API to query supported extensions.
     73   static const char* kTOffset;
     74   static const char* kAbsSendTime;
     75   std::string name;
     76   int id;
     77 };
     78 
     79 struct VideoStream {
     80   VideoStream()
     81       : width(0),
     82         height(0),
     83         max_framerate(-1),
     84         min_bitrate_bps(-1),
     85         target_bitrate_bps(-1),
     86         max_bitrate_bps(-1),
     87         max_qp(-1) {}
     88   std::string ToString() const;
     89 
     90   size_t width;
     91   size_t height;
     92   int max_framerate;
     93 
     94   int min_bitrate_bps;
     95   int target_bitrate_bps;
     96   int max_bitrate_bps;
     97 
     98   int max_qp;
     99 
    100   // Bitrate thresholds for enabling additional temporal layers.
    101   std::vector<int> temporal_layers;
    102 };
    103 
    104 }  // namespace webrtc
    105 
    106 #endif  // WEBRTC_VIDEO_ENGINE_NEW_INCLUDE_CONFIG_H_
    107