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-rw-r--r--third_party/libwebrtc/test/rtp_file_reader.cc691
1 files changed, 691 insertions, 0 deletions
diff --git a/third_party/libwebrtc/test/rtp_file_reader.cc b/third_party/libwebrtc/test/rtp_file_reader.cc
new file mode 100644
index 0000000000..b6f3cbbe5b
--- /dev/null
+++ b/third_party/libwebrtc/test/rtp_file_reader.cc
@@ -0,0 +1,691 @@
+/*
+ * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "test/rtp_file_reader.h"
+
+#include <stdio.h>
+
+#include <map>
+#include <string>
+#include <vector>
+
+#include "absl/strings/string_view.h"
+#include "modules/rtp_rtcp/source/rtp_util.h"
+#include "rtc_base/checks.h"
+#include "rtc_base/logging.h"
+#include "rtc_base/system/arch.h"
+
+namespace webrtc {
+namespace test {
+
+static const size_t kFirstLineLength = 80;
+static uint16_t kPacketHeaderSize = 8;
+
+#define TRY(expr) \
+ do { \
+ if (!(expr)) { \
+ RTC_LOG(LS_INFO) << "Failed to read"; \
+ return false; \
+ } \
+ } while (0)
+
+bool ReadUint32(uint32_t* out, FILE* file) {
+ *out = 0;
+ for (size_t i = 0; i < 4; ++i) {
+ *out <<= 8;
+ uint8_t tmp;
+ if (fread(&tmp, 1, sizeof(uint8_t), file) != sizeof(uint8_t))
+ return false;
+ *out |= tmp;
+ }
+ return true;
+}
+
+bool ReadUint16(uint16_t* out, FILE* file) {
+ *out = 0;
+ for (size_t i = 0; i < 2; ++i) {
+ *out <<= 8;
+ uint8_t tmp;
+ if (fread(&tmp, 1, sizeof(uint8_t), file) != sizeof(uint8_t))
+ return false;
+ *out |= tmp;
+ }
+ return true;
+}
+
+class RtpFileReaderImpl : public RtpFileReader {
+ public:
+ virtual bool Init(FILE* file, const std::set<uint32_t>& ssrc_filter) = 0;
+};
+
+class InterleavedRtpFileReader : public RtpFileReaderImpl {
+ public:
+ ~InterleavedRtpFileReader() override {
+ if (file_ != nullptr) {
+ fclose(file_);
+ file_ = nullptr;
+ }
+ }
+
+ bool Init(FILE* file, const std::set<uint32_t>& ssrc_filter) override {
+ file_ = file;
+ return true;
+ }
+
+ bool NextPacket(RtpPacket* packet) override {
+ RTC_DCHECK(file_);
+ packet->length = RtpPacket::kMaxPacketBufferSize;
+ uint32_t len = 0;
+ TRY(ReadUint32(&len, file_));
+ if (packet->length < len) {
+ RTC_FATAL() << "Packet is too large to fit: " << len << " bytes vs "
+ << packet->length
+ << " bytes allocated. Consider increasing the buffer "
+ << "size";
+ }
+ if (fread(packet->data, 1, len, file_) != len)
+ return false;
+
+ packet->length = len;
+ packet->original_length = len;
+ packet->time_ms = time_ms_;
+ time_ms_ += 5;
+ return true;
+ }
+
+ private:
+ FILE* file_ = nullptr;
+ int64_t time_ms_ = 0;
+};
+
+// Read RTP packets from file in rtpdump format, as documented at:
+// http://www.cs.columbia.edu/irt/software/rtptools/
+class RtpDumpReader : public RtpFileReaderImpl {
+ public:
+ RtpDumpReader() : file_(nullptr) {}
+ ~RtpDumpReader() override {
+ if (file_ != nullptr) {
+ fclose(file_);
+ file_ = nullptr;
+ }
+ }
+
+ RtpDumpReader(const RtpDumpReader&) = delete;
+ RtpDumpReader& operator=(const RtpDumpReader&) = delete;
+
+ bool Init(FILE* file, const std::set<uint32_t>& ssrc_filter) override {
+ file_ = file;
+
+ char firstline[kFirstLineLength + 1] = {0};
+ if (fgets(firstline, kFirstLineLength, file_) == nullptr) {
+ RTC_LOG(LS_INFO) << "Can't read from file";
+ return false;
+ }
+ if (strncmp(firstline, "#!rtpplay", 9) == 0) {
+ if (strncmp(firstline, "#!rtpplay1.0", 12) != 0) {
+ RTC_LOG(LS_INFO) << "Wrong rtpplay version, must be 1.0";
+ return false;
+ }
+ } else if (strncmp(firstline, "#!RTPencode", 11) == 0) {
+ if (strncmp(firstline, "#!RTPencode1.0", 14) != 0) {
+ RTC_LOG(LS_INFO) << "Wrong RTPencode version, must be 1.0";
+ return false;
+ }
+ } else {
+ RTC_LOG(LS_INFO) << "Wrong file format of input file";
+ return false;
+ }
+
+ uint32_t start_sec;
+ uint32_t start_usec;
+ uint32_t source;
+ uint16_t port;
+ uint16_t padding;
+ TRY(ReadUint32(&start_sec, file_));
+ TRY(ReadUint32(&start_usec, file_));
+ TRY(ReadUint32(&source, file_));
+ TRY(ReadUint16(&port, file_));
+ TRY(ReadUint16(&padding, file_));
+
+ return true;
+ }
+
+ bool NextPacket(RtpPacket* packet) override {
+ uint8_t* rtp_data = packet->data;
+ packet->length = RtpPacket::kMaxPacketBufferSize;
+
+ uint16_t len;
+ uint16_t plen;
+ uint32_t offset;
+ TRY(ReadUint16(&len, file_));
+ TRY(ReadUint16(&plen, file_));
+ TRY(ReadUint32(&offset, file_));
+
+ // Use 'len' here because a 'plen' of 0 specifies rtcp.
+ len -= kPacketHeaderSize;
+ if (packet->length < len) {
+ RTC_LOG(LS_ERROR) << "Packet is too large to fit: " << len << " bytes vs "
+ << packet->length
+ << " bytes allocated. Consider increasing the buffer "
+ "size";
+ return false;
+ }
+ if (fread(rtp_data, 1, len, file_) != len) {
+ return false;
+ }
+
+ packet->length = len;
+ packet->original_length = plen;
+ packet->time_ms = offset;
+ return true;
+ }
+
+ private:
+ FILE* file_;
+};
+
+enum {
+ kResultFail = -1,
+ kResultSuccess = 0,
+ kResultSkip = 1,
+
+ kPcapVersionMajor = 2,
+ kPcapVersionMinor = 4,
+ kLinktypeNull = 0,
+ kLinktypeEthernet = 1,
+ kBsdNullLoopback1 = 0x00000002,
+ kBsdNullLoopback2 = 0x02000000,
+ kEthernetIIHeaderMacSkip = 12,
+ kEthertypeIp = 0x0800,
+ kIpVersion4 = 4,
+ kMinIpHeaderLength = 20,
+ kFragmentOffsetClear = 0x0000,
+ kFragmentOffsetDoNotFragment = 0x4000,
+ kProtocolTcp = 0x06,
+ kProtocolUdp = 0x11,
+ kUdpHeaderLength = 8,
+ kMaxReadBufferSize = 4096
+};
+
+const uint32_t kPcapBOMSwapOrder = 0xd4c3b2a1UL;
+const uint32_t kPcapBOMNoSwapOrder = 0xa1b2c3d4UL;
+
+#define TRY_PCAP(expr) \
+ do { \
+ int r = (expr); \
+ if (r == kResultFail) { \
+ RTC_LOG(LS_INFO) << "FAIL at " << __FILE__ << ":" << __LINE__; \
+ return kResultFail; \
+ } else if (r == kResultSkip) { \
+ return kResultSkip; \
+ } \
+ } while (0)
+
+// Read RTP packets from file in tcpdump/libpcap format, as documented at:
+// http://wiki.wireshark.org/Development/LibpcapFileFormat
+class PcapReader : public RtpFileReaderImpl {
+ public:
+ PcapReader()
+ : file_(nullptr),
+ swap_pcap_byte_order_(false),
+#ifdef WEBRTC_ARCH_BIG_ENDIAN
+ swap_network_byte_order_(false),
+#else
+ swap_network_byte_order_(true),
+#endif
+ read_buffer_(),
+ packets_by_ssrc_(),
+ packets_(),
+ next_packet_it_() {
+ }
+
+ ~PcapReader() override {
+ if (file_ != nullptr) {
+ fclose(file_);
+ file_ = nullptr;
+ }
+ }
+
+ PcapReader(const PcapReader&) = delete;
+ PcapReader& operator=(const PcapReader&) = delete;
+
+ bool Init(FILE* file, const std::set<uint32_t>& ssrc_filter) override {
+ return Initialize(file, ssrc_filter) == kResultSuccess;
+ }
+
+ int Initialize(FILE* file, const std::set<uint32_t>& ssrc_filter) {
+ file_ = file;
+
+ if (ReadGlobalHeader() < 0) {
+ return kResultFail;
+ }
+
+ int total_packet_count = 0;
+ uint32_t stream_start_ms = 0;
+ int32_t next_packet_pos = ftell(file_);
+ for (;;) {
+ TRY_PCAP(fseek(file_, next_packet_pos, SEEK_SET));
+ int result = ReadPacket(&next_packet_pos, stream_start_ms,
+ ++total_packet_count, ssrc_filter);
+ if (result == kResultFail) {
+ break;
+ } else if (result == kResultSuccess && packets_.size() == 1) {
+ RTC_DCHECK_EQ(stream_start_ms, 0);
+ PacketIterator it = packets_.begin();
+ stream_start_ms = it->time_offset_ms;
+ it->time_offset_ms = 0;
+ }
+ }
+
+ if (feof(file_) == 0) {
+ printf("Failed reading file!\n");
+ return kResultFail;
+ }
+
+ printf("Total packets in file: %d\n", total_packet_count);
+ printf("Total RTP/RTCP packets: %zu\n", packets_.size());
+
+ for (SsrcMapIterator mit = packets_by_ssrc_.begin();
+ mit != packets_by_ssrc_.end(); ++mit) {
+ uint32_t ssrc = mit->first;
+ const std::vector<uint32_t>& packet_indices = mit->second;
+ int pt = packets_[packet_indices[0]].payload_type;
+ printf("SSRC: %08x, %zu packets, pt=%d\n", ssrc, packet_indices.size(),
+ pt);
+ }
+
+ // TODO(solenberg): Better validation of identified SSRC streams.
+ //
+ // Since we're dealing with raw network data here, we will wrongly identify
+ // some packets as RTP. When these packets are consumed by RtpPlayer, they
+ // are unlikely to cause issues as they will ultimately be filtered out by
+ // the RtpRtcp module. However, we should really do better filtering here,
+ // which we can accomplish in a number of ways, e.g.:
+ //
+ // - Verify that the time stamps and sequence numbers for RTP packets are
+ // both increasing/decreasing. If they move in different directions, the
+ // SSRC is likely bogus and can be dropped. (Normally they should be inc-
+ // reasing but we must allow packet reordering).
+ // - If RTP sequence number is not changing, drop the stream.
+ // - Can also use srcip:port->dstip:port pairs, assuming few SSRC collisions
+ // for up/down streams.
+
+ next_packet_it_ = packets_.begin();
+ return kResultSuccess;
+ }
+
+ bool NextPacket(RtpPacket* packet) override {
+ uint32_t length = RtpPacket::kMaxPacketBufferSize;
+ if (NextPcap(packet->data, &length, &packet->time_ms) != kResultSuccess)
+ return false;
+ packet->length = static_cast<size_t>(length);
+ packet->original_length = packet->length;
+ return true;
+ }
+
+ virtual int NextPcap(uint8_t* data, uint32_t* length, uint32_t* time_ms) {
+ RTC_DCHECK(data);
+ RTC_DCHECK(length);
+ RTC_DCHECK(time_ms);
+
+ if (next_packet_it_ == packets_.end()) {
+ return -1;
+ }
+ if (*length < next_packet_it_->payload_length) {
+ return -1;
+ }
+ TRY_PCAP(fseek(file_, next_packet_it_->pos_in_file, SEEK_SET));
+ TRY_PCAP(Read(data, next_packet_it_->payload_length));
+ *length = next_packet_it_->payload_length;
+ *time_ms = next_packet_it_->time_offset_ms;
+ next_packet_it_++;
+
+ return 0;
+ }
+
+ private:
+ // A marker of an RTP packet within the file.
+ struct RtpPacketMarker {
+ uint32_t packet_number; // One-based index (like in WireShark)
+ uint32_t time_offset_ms;
+ uint32_t source_ip;
+ uint32_t dest_ip;
+ uint16_t source_port;
+ uint16_t dest_port;
+ // Payload type of the RTP packet,
+ // or RTCP packet type of the first RTCP packet in a compound RTCP packet.
+ int payload_type;
+ int32_t pos_in_file; // Byte offset of payload from start of file.
+ uint32_t payload_length;
+ };
+
+ typedef std::vector<RtpPacketMarker>::iterator PacketIterator;
+ typedef std::map<uint32_t, std::vector<uint32_t> > SsrcMap;
+ typedef std::map<uint32_t, std::vector<uint32_t> >::iterator SsrcMapIterator;
+
+ int ReadGlobalHeader() {
+ uint32_t magic;
+ TRY_PCAP(Read(&magic, false));
+ if (magic == kPcapBOMSwapOrder) {
+ swap_pcap_byte_order_ = true;
+ } else if (magic == kPcapBOMNoSwapOrder) {
+ swap_pcap_byte_order_ = false;
+ } else {
+ return kResultFail;
+ }
+
+ uint16_t version_major;
+ uint16_t version_minor;
+ TRY_PCAP(Read(&version_major, false));
+ TRY_PCAP(Read(&version_minor, false));
+ if (version_major != kPcapVersionMajor ||
+ version_minor != kPcapVersionMinor) {
+ return kResultFail;
+ }
+
+ int32_t this_zone; // GMT to local correction.
+ uint32_t sigfigs; // Accuracy of timestamps.
+ uint32_t snaplen; // Max length of captured packets, in octets.
+ uint32_t network; // Data link type.
+ TRY_PCAP(Read(&this_zone, false));
+ TRY_PCAP(Read(&sigfigs, false));
+ TRY_PCAP(Read(&snaplen, false));
+ TRY_PCAP(Read(&network, false));
+
+ // Accept only LINKTYPE_NULL and LINKTYPE_ETHERNET.
+ // See: http://www.tcpdump.org/linktypes.html
+ if (network != kLinktypeNull && network != kLinktypeEthernet) {
+ return kResultFail;
+ }
+
+ return kResultSuccess;
+ }
+
+ int ReadPacket(int32_t* next_packet_pos,
+ uint32_t stream_start_ms,
+ uint32_t number,
+ const std::set<uint32_t>& ssrc_filter) {
+ RTC_DCHECK(next_packet_pos);
+
+ uint32_t ts_sec; // Timestamp seconds.
+ uint32_t ts_usec; // Timestamp microseconds.
+ uint32_t incl_len; // Number of octets of packet saved in file.
+ uint32_t orig_len; // Actual length of packet.
+ TRY_PCAP(Read(&ts_sec, false));
+ TRY_PCAP(Read(&ts_usec, false));
+ TRY_PCAP(Read(&incl_len, false));
+ TRY_PCAP(Read(&orig_len, false));
+
+ *next_packet_pos = ftell(file_) + incl_len;
+
+ RtpPacketMarker marker = {0};
+ marker.packet_number = number;
+ marker.time_offset_ms = CalcTimeDelta(ts_sec, ts_usec, stream_start_ms);
+ TRY_PCAP(ReadPacketHeader(&marker));
+ marker.pos_in_file = ftell(file_);
+
+ if (marker.payload_length > sizeof(read_buffer_)) {
+ printf("Packet too large!\n");
+ return kResultFail;
+ }
+ TRY_PCAP(Read(read_buffer_, marker.payload_length));
+
+ rtc::ArrayView<const uint8_t> packet(read_buffer_, marker.payload_length);
+ if (IsRtcpPacket(packet)) {
+ marker.payload_type = packet[1];
+ packets_.push_back(marker);
+ } else if (IsRtpPacket(packet)) {
+ uint32_t ssrc = ParseRtpSsrc(packet);
+ marker.payload_type = ParseRtpPayloadType(packet);
+ if (ssrc_filter.empty() || ssrc_filter.find(ssrc) != ssrc_filter.end()) {
+ packets_by_ssrc_[ssrc].push_back(
+ static_cast<uint32_t>(packets_.size()));
+ packets_.push_back(marker);
+ } else {
+ return kResultSkip;
+ }
+ } else {
+ RTC_LOG(LS_INFO) << "Not recognized as RTP/RTCP";
+ return kResultSkip;
+ }
+
+ return kResultSuccess;
+ }
+
+ int ReadPacketHeader(RtpPacketMarker* marker) {
+ int32_t file_pos = ftell(file_);
+
+ // Check for BSD null/loopback frame header. The header is just 4 bytes in
+ // native byte order, so we check for both versions as we don't care about
+ // the header as such and will likely fail reading the IP header if this is
+ // something else than null/loopback.
+ uint32_t protocol;
+ TRY_PCAP(Read(&protocol, true));
+ if (protocol == kBsdNullLoopback1 || protocol == kBsdNullLoopback2) {
+ int result = ReadXxpIpHeader(marker);
+ RTC_LOG(LS_INFO) << "Recognized loopback frame";
+ if (result != kResultSkip) {
+ return result;
+ }
+ }
+
+ TRY_PCAP(fseek(file_, file_pos, SEEK_SET));
+
+ // Check for Ethernet II, IP frame header.
+ uint16_t type;
+ TRY_PCAP(Skip(kEthernetIIHeaderMacSkip)); // Source+destination MAC.
+ TRY_PCAP(Read(&type, true));
+ if (type == kEthertypeIp) {
+ int result = ReadXxpIpHeader(marker);
+ RTC_LOG(LS_INFO) << "Recognized ethernet 2 frame";
+ if (result != kResultSkip) {
+ return result;
+ }
+ }
+
+ return kResultSkip;
+ }
+
+ uint32_t CalcTimeDelta(uint32_t ts_sec, uint32_t ts_usec, uint32_t start_ms) {
+ // Round to nearest ms.
+ uint64_t t2_ms =
+ ((static_cast<uint64_t>(ts_sec) * 1000000) + ts_usec + 500) / 1000;
+ uint64_t t1_ms = static_cast<uint64_t>(start_ms);
+ if (t2_ms < t1_ms) {
+ return 0;
+ } else {
+ return t2_ms - t1_ms;
+ }
+ }
+
+ int ReadXxpIpHeader(RtpPacketMarker* marker) {
+ RTC_DCHECK(marker);
+
+ uint16_t version;
+ uint16_t length;
+ uint16_t id;
+ uint16_t fragment;
+ uint16_t protocol;
+ uint16_t checksum;
+ TRY_PCAP(Read(&version, true));
+ TRY_PCAP(Read(&length, true));
+ TRY_PCAP(Read(&id, true));
+ TRY_PCAP(Read(&fragment, true));
+ TRY_PCAP(Read(&protocol, true));
+ TRY_PCAP(Read(&checksum, true));
+ TRY_PCAP(Read(&marker->source_ip, true));
+ TRY_PCAP(Read(&marker->dest_ip, true));
+
+ if (((version >> 12) & 0x000f) != kIpVersion4) {
+ RTC_LOG(LS_INFO) << "IP header is not IPv4";
+ return kResultSkip;
+ }
+
+ if (fragment != kFragmentOffsetClear &&
+ fragment != kFragmentOffsetDoNotFragment) {
+ RTC_LOG(LS_INFO) << "IP fragments cannot be handled";
+ return kResultSkip;
+ }
+
+ // Skip remaining fields of IP header.
+ uint16_t header_length = (version & 0x0f00) >> (8 - 2);
+ RTC_DCHECK_GE(header_length, kMinIpHeaderLength);
+ TRY_PCAP(Skip(header_length - kMinIpHeaderLength));
+
+ protocol = protocol & 0x00ff;
+ if (protocol == kProtocolTcp) {
+ RTC_LOG(LS_INFO) << "TCP packets are not handled";
+ return kResultSkip;
+ } else if (protocol == kProtocolUdp) {
+ uint16_t length;
+ uint16_t checksum;
+ TRY_PCAP(Read(&marker->source_port, true));
+ TRY_PCAP(Read(&marker->dest_port, true));
+ TRY_PCAP(Read(&length, true));
+ TRY_PCAP(Read(&checksum, true));
+ marker->payload_length = length - kUdpHeaderLength;
+ } else {
+ RTC_LOG(LS_INFO) << "Unknown transport (expected UDP or TCP)";
+ return kResultSkip;
+ }
+
+ return kResultSuccess;
+ }
+
+ int Read(uint32_t* out, bool expect_network_order) {
+ uint32_t tmp = 0;
+ if (fread(&tmp, 1, sizeof(uint32_t), file_) != sizeof(uint32_t)) {
+ return kResultFail;
+ }
+ if ((!expect_network_order && swap_pcap_byte_order_) ||
+ (expect_network_order && swap_network_byte_order_)) {
+ tmp = ((tmp >> 24) & 0x000000ff) | (tmp << 24) |
+ ((tmp >> 8) & 0x0000ff00) | ((tmp << 8) & 0x00ff0000);
+ }
+ *out = tmp;
+ return kResultSuccess;
+ }
+
+ int Read(uint16_t* out, bool expect_network_order) {
+ uint16_t tmp = 0;
+ if (fread(&tmp, 1, sizeof(uint16_t), file_) != sizeof(uint16_t)) {
+ return kResultFail;
+ }
+ if ((!expect_network_order && swap_pcap_byte_order_) ||
+ (expect_network_order && swap_network_byte_order_)) {
+ tmp = ((tmp >> 8) & 0x00ff) | (tmp << 8);
+ }
+ *out = tmp;
+ return kResultSuccess;
+ }
+
+ int Read(uint8_t* out, uint32_t count) {
+ if (fread(out, 1, count, file_) != count) {
+ return kResultFail;
+ }
+ return kResultSuccess;
+ }
+
+ int Read(int32_t* out, bool expect_network_order) {
+ int32_t tmp = 0;
+ if (fread(&tmp, 1, sizeof(uint32_t), file_) != sizeof(uint32_t)) {
+ return kResultFail;
+ }
+ if ((!expect_network_order && swap_pcap_byte_order_) ||
+ (expect_network_order && swap_network_byte_order_)) {
+ tmp = ((tmp >> 24) & 0x000000ff) | (tmp << 24) |
+ ((tmp >> 8) & 0x0000ff00) | ((tmp << 8) & 0x00ff0000);
+ }
+ *out = tmp;
+ return kResultSuccess;
+ }
+
+ int Skip(uint32_t length) {
+ if (fseek(file_, length, SEEK_CUR) != 0) {
+ return kResultFail;
+ }
+ return kResultSuccess;
+ }
+
+ FILE* file_;
+ bool swap_pcap_byte_order_;
+ const bool swap_network_byte_order_;
+ uint8_t read_buffer_[kMaxReadBufferSize];
+
+ SsrcMap packets_by_ssrc_;
+ std::vector<RtpPacketMarker> packets_;
+ PacketIterator next_packet_it_;
+};
+
+RtpFileReaderImpl* CreateReaderForFormat(RtpFileReader::FileFormat format) {
+ RtpFileReaderImpl* reader = nullptr;
+ switch (format) {
+ case RtpFileReader::kPcap:
+ reader = new PcapReader();
+ break;
+ case RtpFileReader::kRtpDump:
+ reader = new RtpDumpReader();
+ break;
+ case RtpFileReader::kLengthPacketInterleaved:
+ reader = new InterleavedRtpFileReader();
+ break;
+ }
+ return reader;
+}
+
+RtpFileReader* RtpFileReader::Create(FileFormat format,
+ const uint8_t* data,
+ size_t size,
+ const std::set<uint32_t>& ssrc_filter) {
+ std::unique_ptr<RtpFileReaderImpl> reader(CreateReaderForFormat(format));
+
+ FILE* file = tmpfile();
+ if (file == nullptr) {
+ printf("ERROR: Can't open file from memory buffer\n");
+ return nullptr;
+ }
+
+ if (fwrite(reinterpret_cast<const void*>(data), sizeof(uint8_t), size,
+ file) != size) {
+ return nullptr;
+ }
+ rewind(file);
+
+ if (!reader->Init(file, ssrc_filter)) {
+ return nullptr;
+ }
+ return reader.release();
+}
+
+RtpFileReader* RtpFileReader::Create(FileFormat format,
+ absl::string_view filename,
+ const std::set<uint32_t>& ssrc_filter) {
+ RtpFileReaderImpl* reader = CreateReaderForFormat(format);
+ std::string filename_str = std::string(filename);
+ FILE* file = fopen(filename_str.c_str(), "rb");
+ if (file == nullptr) {
+ printf("ERROR: Can't open file: %s\n", filename_str.c_str());
+ return nullptr;
+ }
+
+ if (!reader->Init(file, ssrc_filter)) {
+ delete reader;
+ return nullptr;
+ }
+ return reader;
+}
+
+RtpFileReader* RtpFileReader::Create(FileFormat format,
+ absl::string_view filename) {
+ return RtpFileReader::Create(format, filename, std::set<uint32_t>());
+}
+
+} // namespace test
+} // namespace webrtc
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-20 05:16:41 +0000