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Fork VCMPacket for PacketBuffer into own struct

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it is easier to reduce and eliminate it when it is not bound to legacy video code

Bug: webrtc:10979
Change-Id: I517e298501b3358a914a23ddce40fcb3075d672d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/159707
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29821}
This commit is contained in:
Danil Chapovalov
2019-11-14 14:57:33 +01:00
committed by Commit Bot
parent acdc22d784
commit aa3f5da8dc
8 changed files with 167 additions and 122 deletions
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52
modules/video_coding/packet_buffer.h
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@ -17,9 +17,12 @@
#include <vector>
#include "absl/base/attributes.h"
#include "api/rtp_packet_info.h"
#include "api/video/encoded_image.h"
#include "modules/rtp_rtcp/source/rtp_generic_frame_descriptor.h"
#include "modules/rtp_rtcp/source/rtp_packet_received.h"
#include "modules/rtp_rtcp/source/rtp_video_header.h"
#include "modules/video_coding/frame_object.h"
#include "modules/video_coding/packet.h"
#include "rtc_base/critical_section.h"
#include "rtc_base/numerics/sequence_number_util.h"
#include "rtc_base/thread_annotations.h"
@ -30,6 +33,45 @@ namespace video_coding {
class PacketBuffer {
public:
struct Packet {
Packet() = default;
Packet(const RtpPacketReceived& rtp_packet,
const RTPVideoHeader& video_header,
int64_t ntp_time_ms,
int64_t receive_time_ms);
Packet(const Packet&) = delete;
Packet(Packet&&) = default;
Packet& operator=(const Packet&) = delete;
Packet& operator=(Packet&&) = default;
~Packet() = default;
VideoCodecType codec() const { return video_header.codec; }
int width() const { return video_header.width; }
int height() const { return video_header.height; }
bool is_first_packet_in_frame() const {
return video_header.is_first_packet_in_frame;
}
bool is_last_packet_in_frame() const {
return video_header.is_last_packet_in_frame;
}
bool marker_bit = false;
uint8_t payload_type = 0;
uint16_t seq_num = 0;
uint32_t timestamp = 0;
// NTP time of the capture time in local timebase in milliseconds.
int64_t ntp_time_ms = -1;
int times_nacked = -1;
const uint8_t* data = nullptr;
size_t size_bytes = 0;
RTPVideoHeader video_header;
absl::optional<RtpGenericFrameDescriptor> generic_descriptor;
RtpPacketInfo packet_info;
};
struct InsertResult {
std::vector<std::unique_ptr<RtpFrameObject>> frames;
// Indicates if the packet buffer was cleared, which means that a key
@ -43,7 +85,7 @@ class PacketBuffer {
// The PacketBuffer will always take ownership of the |packet.dataPtr| when
// this function is called.
InsertResult InsertPacket(VCMPacket* packet) ABSL_MUST_USE_RESULT;
InsertResult InsertPacket(Packet* packet) ABSL_MUST_USE_RESULT;
InsertResult InsertPadding(uint16_t seq_num) ABSL_MUST_USE_RESULT;
void ClearTo(uint16_t seq_num);
void Clear();
@ -54,7 +96,7 @@ class PacketBuffer {
private:
struct StoredPacket {
uint16_t seq_num() const { return data.seqNum; }
uint16_t seq_num() const { return data.seq_num; }
// If this is the first packet of the frame.
bool frame_begin() const { return data.is_first_packet_in_frame(); }
@ -68,7 +110,7 @@ class PacketBuffer {
// If all its previous packets have been inserted into the packet buffer.
bool continuous = false;
VCMPacket data;
Packet data;
};
Clock* const clock_;
@ -90,7 +132,7 @@ class PacketBuffer {
RTC_EXCLUSIVE_LOCKS_REQUIRED(crit_);
// Get the packet with sequence number |seq_num|.
const VCMPacket& GetPacket(uint16_t seq_num) const
const Packet& GetPacket(uint16_t seq_num) const
RTC_EXCLUSIVE_LOCKS_REQUIRED(crit_);
// Clears the packet buffer from |start_seq_num| to |stop_seq_num| where the