blob: a7cb216bc6aeda3b60c88c5d3abf6923cf88210e [file] [log] [blame]
* Copyright (c) 2004 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 <string>
#include <vector>
#include "webrtc/media/base/mediachannel.h"
#include "webrtc/media/base/videocapturer.h"
#include "webrtc/media/base/videocommon.h"
#include "webrtc/rtc_base/arraysize.h"
#include "webrtc/rtc_base/basictypes.h"
#include "webrtc/rtc_base/sigslot.h"
#include "webrtc/rtc_base/window.h"
namespace rtc {
class ByteBufferReader;
class ByteBufferWriter;
class StreamInterface;
namespace webrtc {
class VideoFrame;
namespace cricket {
// Returns size of 420 image with rounding on chroma for odd sizes.
#define I420_SIZE(w, h) (w * h + (((w + 1) / 2) * ((h + 1) / 2)) * 2)
// Returns size of ARGB image.
#define ARGB_SIZE(w, h) (w * h * 4)
template <class T> inline std::vector<T> MakeVector(const T a[], size_t s) {
return std::vector<T>(a, a + s);
#define MAKE_VECTOR(a) cricket::MakeVector(a, arraysize(a))
struct RtpDumpPacket;
class RtpDumpWriter;
struct RawRtpPacket {
void WriteToByteBuffer(uint32_t in_ssrc, rtc::ByteBufferWriter* buf) const;
bool ReadFromByteBuffer(rtc::ByteBufferReader* buf);
// Check if this packet is the same as the specified packet except the
// sequence number and timestamp, which should be the same as the specified
// parameters.
bool SameExceptSeqNumTimestampSsrc(const RawRtpPacket& packet,
uint16_t seq,
uint32_t ts,
uint32_t ssc) const;
int size() const { return 28; }
uint8_t ver_to_cc;
uint8_t m_to_pt;
uint16_t sequence_number;
uint32_t timestamp;
uint32_t ssrc;
char payload[16];
struct RawRtcpPacket {
void WriteToByteBuffer(rtc::ByteBufferWriter* buf) const;
bool ReadFromByteBuffer(rtc::ByteBufferReader* buf);
bool EqualsTo(const RawRtcpPacket& packet) const;
uint8_t ver_to_count;
uint8_t type;
uint16_t length;
char payload[16];
// Test helper for testing VideoCapturer implementations.
class VideoCapturerListener
: public sigslot::has_slots<>,
public rtc::VideoSinkInterface<webrtc::VideoFrame> {
explicit VideoCapturerListener(VideoCapturer* cap);
CaptureState last_capture_state() const { return last_capture_state_; }
int frame_count() const { return frame_count_; }
int frame_width() const { return frame_width_; }
int frame_height() const { return frame_height_; }
bool resolution_changed() const { return resolution_changed_; }
void OnStateChange(VideoCapturer* capturer, CaptureState state);
void OnFrame(const webrtc::VideoFrame& frame) override;
VideoCapturer* capturer_;
CaptureState last_capture_state_;
int frame_count_;
int frame_width_;
int frame_height_;
bool resolution_changed_;
class VideoMediaErrorCatcher : public sigslot::has_slots<> {
VideoMediaErrorCatcher() : ssrc_(0), error_(VideoMediaChannel::ERROR_NONE) { }
uint32_t ssrc() const { return ssrc_; }
VideoMediaChannel::Error error() const { return error_; }
void OnError(uint32_t ssrc, VideoMediaChannel::Error error) {
ssrc_ = ssrc;
error_ = error;
uint32_t ssrc_;
VideoMediaChannel::Error error_;
// Checks whether |codecs| contains |codec|; checks using Codec::Matches().
template <class C>
bool ContainsMatchingCodec(const std::vector<C>& codecs, const C& codec) {
typename std::vector<C>::const_iterator it;
for (it = codecs.begin(); it != codecs.end(); ++it) {
if (it->Matches(codec)) {
return true;
return false;
// Create Simulcast StreamParams with given |ssrcs| and |cname|.
cricket::StreamParams CreateSimStreamParams(const std::string& cname,
const std::vector<uint32_t>& ssrcs);
// Create Simulcast stream with given |ssrcs| and |rtx_ssrcs|.
// The number of |rtx_ssrcs| must match number of |ssrcs|.
cricket::StreamParams CreateSimWithRtxStreamParams(
const std::string& cname,
const std::vector<uint32_t>& ssrcs,
const std::vector<uint32_t>& rtx_ssrcs);
// Create StreamParams with single primary SSRC and corresponding FlexFEC SSRC.
cricket::StreamParams CreatePrimaryWithFecFrStreamParams(
const std::string& cname,
uint32_t primary_ssrc,
uint32_t flexfec_ssrc);
} // namespace cricket