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PacketBuffer: remove lock recursions.

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This change removes lock recursions and adds thread annotations.

Bug: webrtc:11567
Change-Id: Ibc429571926693f4b3de78f97a5dc5501d93a4a3
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/176240
Reviewed-by: Rasmus Brandt <brandtr@webrtc.org>
Commit-Queue: Markus Handell <handellm@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31369}
This commit is contained in:
Markus Handell
2020-05-27 17:08:41 +02:00
committed by Commit Bot
parent bdb5830d69
commit 3eac111115
2 changed files with 28 additions and 18 deletions
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20
modules/video_coding/packet_buffer.h
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@ -82,19 +82,25 @@ class PacketBuffer {
PacketBuffer(Clock* clock, size_t start_buffer_size, size_t max_buffer_size);
~PacketBuffer();
InsertResult InsertPacket(std::unique_ptr<Packet> packet)
ABSL_MUST_USE_RESULT;
InsertResult InsertPadding(uint16_t seq_num) ABSL_MUST_USE_RESULT;
void ClearTo(uint16_t seq_num);
void Clear();
InsertResult InsertPacket(std::unique_ptr<Packet> packet) ABSL_MUST_USE_RESULT
RTC_LOCKS_EXCLUDED(crit_);
InsertResult InsertPadding(uint16_t seq_num) ABSL_MUST_USE_RESULT
RTC_LOCKS_EXCLUDED(crit_);
void ClearTo(uint16_t seq_num) RTC_LOCKS_EXCLUDED(crit_);
void Clear() RTC_LOCKS_EXCLUDED(crit_);
// Timestamp (not RTP timestamp) of the last received packet/keyframe packet.
absl::optional<int64_t> LastReceivedPacketMs() const;
absl::optional<int64_t> LastReceivedKeyframePacketMs() const;
absl::optional<int64_t> LastReceivedPacketMs() const
RTC_LOCKS_EXCLUDED(crit_);
absl::optional<int64_t> LastReceivedKeyframePacketMs() const
RTC_LOCKS_EXCLUDED(crit_);
private:
Clock* const clock_;
// Clears with |crit_| taken.
void ClearInternal() RTC_EXCLUSIVE_LOCKS_REQUIRED(crit_);
// Tries to expand the buffer.
bool ExpandBufferSize() RTC_EXCLUSIVE_LOCKS_REQUIRED(crit_);