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.
5 #include "media/cast/framer/frame_buffer.h"
7 #include "base/logging.h"
12 FrameBuffer::FrameBuffer()
15 num_packets_received_(0),
18 last_referenced_frame_id_(0),
21 FrameBuffer::~FrameBuffer() {}
23 void FrameBuffer::InsertPacket(const uint8* payload_data,
25 const RtpCastHeader& rtp_header) {
26 // Is this the first packet in the frame?
27 if (packets_.empty()) {
28 frame_id_ = rtp_header.frame_id;
29 max_packet_id_ = rtp_header.max_packet_id;
30 is_key_frame_ = rtp_header.is_key_frame;
31 last_referenced_frame_id_ = rtp_header.reference_frame_id;
32 rtp_timestamp_ = rtp_header.rtp_timestamp;
34 // Is this the correct frame?
35 if (rtp_header.frame_id != frame_id_)
38 // Insert every packet only once.
39 if (packets_.find(rtp_header.packet_id) != packets_.end()) {
43 std::vector<uint8> data;
44 std::pair<PacketMap::iterator, bool> retval =
45 packets_.insert(make_pair(rtp_header.packet_id, data));
48 retval.first->second.resize(payload_size);
50 payload_data, payload_data + payload_size, retval.first->second.begin());
52 ++num_packets_received_;
53 total_data_size_ += payload_size;
56 bool FrameBuffer::Complete() const {
57 return num_packets_received_ - 1 == max_packet_id_;
60 bool FrameBuffer::GetEncodedAudioFrame(
61 transport::EncodedAudioFrame* audio_frame) const {
65 // Frame is complete -> construct.
66 audio_frame->frame_id = frame_id_;
67 audio_frame->rtp_timestamp = rtp_timestamp_;
69 // Build the data vector.
70 audio_frame->data.clear();
71 audio_frame->data.reserve(total_data_size_);
72 PacketMap::const_iterator it;
73 for (it = packets_.begin(); it != packets_.end(); ++it) {
74 audio_frame->data.insert(
75 audio_frame->data.end(), it->second.begin(), it->second.end());
80 bool FrameBuffer::GetEncodedVideoFrame(
81 transport::EncodedVideoFrame* video_frame) const {
84 // Frame is complete -> construct.
85 video_frame->key_frame = is_key_frame_;
86 video_frame->frame_id = frame_id_;
87 video_frame->last_referenced_frame_id = last_referenced_frame_id_;
88 video_frame->rtp_timestamp = rtp_timestamp_;
90 // Build the data vector.
91 video_frame->data.clear();
92 video_frame->data.reserve(total_data_size_);
93 PacketMap::const_iterator it;
94 for (it = packets_.begin(); it != packets_.end(); ++it) {
95 video_frame->data.insert(
96 video_frame->data.end(), it->second.begin(), it->second.end());