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author | Chih-hung Hsieh <chh@google.com> | 2016-01-20 17:50:13 +0000 |
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committer | android-build-merger <android-build-merger@google.com> | 2016-01-20 17:50:13 +0000 |
commit | b3cb8ab4ede8bb77f0bdef2715efc2c1e6267072 (patch) | |
tree | 28c4cf735dd5bd9cc8f1ccd06fff8a173b20d1cb /webrtc/modules/video_coding/timing.h | |
parent | a4acd9d6bc9b3b033d7d274316e75ee067df8d20 (diff) | |
parent | 9a337512d97e37afc142dee4fd50a41b741a87d2 (diff) | |
download | webrtc-b3cb8ab4ede8bb77f0bdef2715efc2c1e6267072.tar.gz |
Merge "Merge upstream SHA 04cb763"android-cts_7.1_r1android-cts-7.1_r9android-cts-7.1_r8android-cts-7.1_r7android-cts-7.1_r6android-cts-7.1_r5android-cts-7.1_r4android-cts-7.1_r3android-cts-7.1_r29android-cts-7.1_r28android-cts-7.1_r27android-cts-7.1_r26android-cts-7.1_r25android-cts-7.1_r24android-cts-7.1_r23android-cts-7.1_r22android-cts-7.1_r21android-cts-7.1_r20android-cts-7.1_r2android-cts-7.1_r19android-cts-7.1_r18android-cts-7.1_r17android-cts-7.1_r16android-cts-7.1_r15android-cts-7.1_r14android-cts-7.1_r13android-cts-7.1_r12android-cts-7.1_r11android-cts-7.1_r10android-cts-7.1_r1android-cts-7.0_r9android-cts-7.0_r8android-cts-7.0_r7android-cts-7.0_r6android-cts-7.0_r5android-cts-7.0_r4android-cts-7.0_r33android-cts-7.0_r32android-cts-7.0_r31android-cts-7.0_r30android-cts-7.0_r3android-cts-7.0_r29android-cts-7.0_r28android-cts-7.0_r27android-cts-7.0_r26android-cts-7.0_r25android-cts-7.0_r24android-cts-7.0_r23android-cts-7.0_r22android-cts-7.0_r21android-cts-7.0_r20android-cts-7.0_r2android-cts-7.0_r19android-cts-7.0_r18android-cts-7.0_r17android-cts-7.0_r16android-cts-7.0_r15android-cts-7.0_r14android-cts-7.0_r13android-cts-7.0_r12android-cts-7.0_r11android-cts-7.0_r10android-cts-7.0_r1android-7.1.2_r9android-7.1.2_r8android-7.1.2_r6android-7.1.2_r5android-7.1.2_r4android-7.1.2_r39android-7.1.2_r38android-7.1.2_r37android-7.1.2_r36android-7.1.2_r33android-7.1.2_r32android-7.1.2_r30android-7.1.2_r3android-7.1.2_r29android-7.1.2_r28android-7.1.2_r27android-7.1.2_r25android-7.1.2_r24android-7.1.2_r23android-7.1.2_r2android-7.1.2_r19android-7.1.2_r18android-7.1.2_r17android-7.1.2_r16android-7.1.2_r15android-7.1.2_r14android-7.1.2_r13android-7.1.2_r12android-7.1.2_r11android-7.1.2_r10android-7.1.2_r1android-7.1.1_r9android-7.1.1_r8android-7.1.1_r7android-7.1.1_r61android-7.1.1_r60android-7.1.1_r6android-7.1.1_r59android-7.1.1_r58android-7.1.1_r57android-7.1.1_r56android-7.1.1_r55android-7.1.1_r54android-7.1.1_r53android-7.1.1_r52android-7.1.1_r51android-7.1.1_r50android-7.1.1_r49android-7.1.1_r48android-7.1.1_r47android-7.1.1_r46android-7.1.1_r45android-7.1.1_r44android-7.1.1_r43android-7.1.1_r42android-7.1.1_r41android-7.1.1_r40android-7.1.1_r4android-7.1.1_r39android-7.1.1_r38android-7.1.1_r35android-7.1.1_r33android-7.1.1_r32android-7.1.1_r31android-7.1.1_r3android-7.1.1_r28android-7.1.1_r27android-7.1.1_r26android-7.1.1_r25android-7.1.1_r24android-7.1.1_r23android-7.1.1_r22android-7.1.1_r21android-7.1.1_r20android-7.1.1_r2android-7.1.1_r17android-7.1.1_r16android-7.1.1_r15android-7.1.1_r14android-7.1.1_r13android-7.1.1_r12android-7.1.1_r11android-7.1.1_r10android-7.1.1_r1android-7.1.0_r7android-7.1.0_r6android-7.1.0_r5android-7.1.0_r4android-7.1.0_r3android-7.1.0_r2android-7.1.0_r1android-7.0.0_r9android-7.0.0_r8android-7.0.0_r7android-7.0.0_r6android-7.0.0_r5android-7.0.0_r4android-7.0.0_r36android-7.0.0_r35android-7.0.0_r34android-7.0.0_r33android-7.0.0_r32android-7.0.0_r31android-7.0.0_r30android-7.0.0_r3android-7.0.0_r29android-7.0.0_r28android-7.0.0_r27android-7.0.0_r24android-7.0.0_r21android-7.0.0_r19android-7.0.0_r17android-7.0.0_r15android-7.0.0_r14android-7.0.0_r13android-7.0.0_r12android-7.0.0_r11android-7.0.0_r10android-7.0.0_r1nougat-releasenougat-mr2.3-releasenougat-mr2.2-releasenougat-mr2.1-releasenougat-mr2-security-releasenougat-mr2-releasenougat-mr2-pixel-releasenougat-mr2-devnougat-mr1.8-releasenougat-mr1.7-releasenougat-mr1.6-releasenougat-mr1.5-releasenougat-mr1.4-releasenougat-mr1.3-releasenougat-mr1.2-releasenougat-mr1.1-releasenougat-mr1-volantis-releasenougat-mr1-security-releasenougat-mr1-releasenougat-mr1-flounder-releasenougat-mr1-devnougat-mr1-cts-releasenougat-mr0.5-releasenougat-dr1-releasenougat-devnougat-cts-releasenougat-bugfix-release
am: 9a337512d9
* commit '9a337512d97e37afc142dee4fd50a41b741a87d2': (797 commits)
Add tests for verifying transport feedback for audio and video.
Eliminate defines in talk/
Revert of Update with new default boringssl no-aes cipher suites. Re-enable tests. (patchset #3 id:40001 of https://codereview.webrtc.org/1550773002/ )
Remove assert which was incorrectly added to TcpPort::OnSentPacket.
Reland Connect TurnPort and TCPPort to AsyncPacketSocket::SignalSentPacket.
Update with new default boringssl no-aes cipher suites. Re-enable tests.
Revert of Connect TurnPort and TCPPort to AsyncPacketSocket::SignalSentPacket. (patchset #3 id:40001 of https://codereview.webrtc.org/1577873003/ )
Re-land: "Use an explicit identifier in Config"
Connect TurnPort and TCPPort to AsyncPacketSocket::SignalSentPacket.
Revert of Delete remnants of non-square pixel support from cricket::VideoFrame. (patchset #1 id:1 of https://codereview.webrtc.org/1586613002/ )
Remove libfuzzer trybot from default trybot set.
Add ramp-up tests for transport sequence number with and w/o audio.
Delete remnants of non-square pixel support from cricket::VideoFrame.
Fix IPAddress::ToSensitiveString() to avoid dependency on inet_ntop().
Revert of Storing raw audio sink for default audio track. (patchset #7 id:120001 of https://codereview.chromium.org/1551813002/ )
Re-enable tests that failed under Linux_Msan.
Revert of Use an explicit identifier in Config (patchset #4 id:60001 of https://codereview.webrtc.org/1538643004/ )
Roll chromium_revision 346fea9..099be58 (369082:369139)
Disable WebRtcVideoChannel2BaseTest.SendManyResizeOnce for TSan
Add build_protobuf variable.
...
Diffstat (limited to 'webrtc/modules/video_coding/timing.h')
-rw-r--r-- | webrtc/modules/video_coding/timing.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/webrtc/modules/video_coding/timing.h b/webrtc/modules/video_coding/timing.h new file mode 100644 index 0000000000..a4d0cf4543 --- /dev/null +++ b/webrtc/modules/video_coding/timing.h @@ -0,0 +1,126 @@ +/* + * Copyright (c) 2011 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. + */ + +#ifndef WEBRTC_MODULES_VIDEO_CODING_TIMING_H_ +#define WEBRTC_MODULES_VIDEO_CODING_TIMING_H_ + +#include "webrtc/base/thread_annotations.h" +#include "webrtc/modules/video_coding/codec_timer.h" +#include "webrtc/system_wrappers/include/critical_section_wrapper.h" +#include "webrtc/typedefs.h" + +namespace webrtc { + +class Clock; +class TimestampExtrapolator; + +class VCMTiming { + public: + // The primary timing component should be passed + // if this is the dual timing component. + explicit VCMTiming(Clock* clock, VCMTiming* master_timing = NULL); + ~VCMTiming(); + + // Resets the timing to the initial state. + void Reset(); + void ResetDecodeTime(); + + // Set the amount of time needed to render an image. Defaults to 10 ms. + void set_render_delay(uint32_t render_delay_ms); + + // Set the minimum time the video must be delayed on the receiver to + // get the desired jitter buffer level. + void SetJitterDelay(uint32_t required_delay_ms); + + // Set the minimum playout delay required to sync video with audio. + void set_min_playout_delay(uint32_t min_playout_delay); + + // Increases or decreases the current delay to get closer to the target delay. + // Calculates how long it has been since the previous call to this function, + // and increases/decreases the delay in proportion to the time difference. + void UpdateCurrentDelay(uint32_t frame_timestamp); + + // Increases or decreases the current delay to get closer to the target delay. + // Given the actual decode time in ms and the render time in ms for a frame, + // this function calculates how late the frame is and increases the delay + // accordingly. + void UpdateCurrentDelay(int64_t render_time_ms, + int64_t actual_decode_time_ms); + + // Stops the decoder timer, should be called when the decoder returns a frame + // or when the decoded frame callback is called. + int32_t StopDecodeTimer(uint32_t time_stamp, + int32_t decode_time_ms, + int64_t now_ms, + int64_t render_time_ms); + + // Used to report that a frame is passed to decoding. Updates the timestamp + // filter which is used to map between timestamps and receiver system time. + void IncomingTimestamp(uint32_t time_stamp, int64_t last_packet_time_ms); + // Returns the receiver system time when the frame with timestamp + // frame_timestamp should be rendered, assuming that the system time currently + // is now_ms. + int64_t RenderTimeMs(uint32_t frame_timestamp, int64_t now_ms) const; + + // Returns the maximum time in ms that we can wait for a frame to become + // complete before we must pass it to the decoder. + uint32_t MaxWaitingTime(int64_t render_time_ms, int64_t now_ms) const; + + // Returns the current target delay which is required delay + decode time + + // render delay. + uint32_t TargetVideoDelay() const; + + // Calculates whether or not there is enough time to decode a frame given a + // certain amount of processing time. + bool EnoughTimeToDecode(uint32_t available_processing_time_ms) const; + + // Return current timing information. + void GetTimings(int* decode_ms, + int* max_decode_ms, + int* current_delay_ms, + int* target_delay_ms, + int* jitter_buffer_ms, + int* min_playout_delay_ms, + int* render_delay_ms) const; + + enum { kDefaultRenderDelayMs = 10 }; + enum { kDelayMaxChangeMsPerS = 100 }; + + protected: + int32_t MaxDecodeTimeMs(FrameType frame_type = kVideoFrameDelta) const + EXCLUSIVE_LOCKS_REQUIRED(crit_sect_); + int64_t RenderTimeMsInternal(uint32_t frame_timestamp, int64_t now_ms) const + EXCLUSIVE_LOCKS_REQUIRED(crit_sect_); + uint32_t TargetDelayInternal() const EXCLUSIVE_LOCKS_REQUIRED(crit_sect_); + + private: + void UpdateHistograms() const; + + CriticalSectionWrapper* crit_sect_; + Clock* const clock_; + bool master_ GUARDED_BY(crit_sect_); + TimestampExtrapolator* ts_extrapolator_ GUARDED_BY(crit_sect_); + VCMCodecTimer codec_timer_ GUARDED_BY(crit_sect_); + uint32_t render_delay_ms_ GUARDED_BY(crit_sect_); + uint32_t min_playout_delay_ms_ GUARDED_BY(crit_sect_); + uint32_t jitter_delay_ms_ GUARDED_BY(crit_sect_); + uint32_t current_delay_ms_ GUARDED_BY(crit_sect_); + int last_decode_ms_ GUARDED_BY(crit_sect_); + uint32_t prev_frame_timestamp_ GUARDED_BY(crit_sect_); + + // Statistics. + size_t num_decoded_frames_ GUARDED_BY(crit_sect_); + size_t num_delayed_decoded_frames_ GUARDED_BY(crit_sect_); + int64_t first_decoded_frame_ms_ GUARDED_BY(crit_sect_); + uint64_t sum_missed_render_deadline_ms_ GUARDED_BY(crit_sect_); +}; +} // namespace webrtc + +#endif // WEBRTC_MODULES_VIDEO_CODING_TIMING_H_ |