1 /*
2 * Copyright (c) 2014 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 #include "modules/audio_coding/neteq/tools/rtp_file_source.h"
12
13 #include <string.h>
14
15 #include "absl/strings/string_view.h"
16 #ifndef WIN32
17 #include <netinet/in.h>
18 #endif
19
20 #include <memory>
21
22 #include "modules/audio_coding/neteq/tools/packet.h"
23 #include "rtc_base/checks.h"
24 #include "test/rtp_file_reader.h"
25
26 namespace webrtc {
27 namespace test {
28
Create(absl::string_view file_name,absl::optional<uint32_t> ssrc_filter)29 RtpFileSource* RtpFileSource::Create(absl::string_view file_name,
30 absl::optional<uint32_t> ssrc_filter) {
31 RtpFileSource* source = new RtpFileSource(ssrc_filter);
32 RTC_CHECK(source->OpenFile(file_name));
33 return source;
34 }
35
ValidRtpDump(absl::string_view file_name)36 bool RtpFileSource::ValidRtpDump(absl::string_view file_name) {
37 std::unique_ptr<RtpFileReader> temp_file(
38 RtpFileReader::Create(RtpFileReader::kRtpDump, file_name));
39 return !!temp_file;
40 }
41
ValidPcap(absl::string_view file_name)42 bool RtpFileSource::ValidPcap(absl::string_view file_name) {
43 std::unique_ptr<RtpFileReader> temp_file(
44 RtpFileReader::Create(RtpFileReader::kPcap, file_name));
45 return !!temp_file;
46 }
47
~RtpFileSource()48 RtpFileSource::~RtpFileSource() {}
49
RegisterRtpHeaderExtension(RTPExtensionType type,uint8_t id)50 bool RtpFileSource::RegisterRtpHeaderExtension(RTPExtensionType type,
51 uint8_t id) {
52 return rtp_header_extension_map_.RegisterByType(id, type);
53 }
54
NextPacket()55 std::unique_ptr<Packet> RtpFileSource::NextPacket() {
56 while (true) {
57 RtpPacket temp_packet;
58 if (!rtp_reader_->NextPacket(&temp_packet)) {
59 return NULL;
60 }
61 if (temp_packet.original_length == 0) {
62 // May be an RTCP packet.
63 // Read the next one.
64 continue;
65 }
66 auto packet = std::make_unique<Packet>(
67 rtc::CopyOnWriteBuffer(temp_packet.data, temp_packet.length),
68 temp_packet.original_length, temp_packet.time_ms,
69 &rtp_header_extension_map_);
70 if (!packet->valid_header()) {
71 continue;
72 }
73 if (filter_.test(packet->header().payloadType) ||
74 (ssrc_filter_ && packet->header().ssrc != *ssrc_filter_)) {
75 // This payload type should be filtered out. Continue to the next packet.
76 continue;
77 }
78 return packet;
79 }
80 }
81
RtpFileSource(absl::optional<uint32_t> ssrc_filter)82 RtpFileSource::RtpFileSource(absl::optional<uint32_t> ssrc_filter)
83 : PacketSource(),
84 ssrc_filter_(ssrc_filter) {}
85
OpenFile(absl::string_view file_name)86 bool RtpFileSource::OpenFile(absl::string_view file_name) {
87 rtp_reader_.reset(RtpFileReader::Create(RtpFileReader::kRtpDump, file_name));
88 if (rtp_reader_)
89 return true;
90 rtp_reader_.reset(RtpFileReader::Create(RtpFileReader::kPcap, file_name));
91 if (!rtp_reader_) {
92 RTC_FATAL()
93 << "Couldn't open input file as either a rtpdump or .pcap. Note "
94 << "that .pcapng is not supported.";
95 }
96 return true;
97 }
98
99 } // namespace test
100 } // namespace webrtc
101