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1045 Commits

Author SHA1 Message Date
Ella Pietraroia d44e795ea2 making new knn file, plus adding knn option into variables 2019-12-31 15:21:34 +10:30
Scott Barnard 7c42f9dc1b Merged in motion-filter-variable-fps (pull request #314) 
Created motion filter that has a minimum frame rate.

Approved-by: Saxon Milton <saxon.milton@gmail.com>
 2019-12-31 03:59:52 +00:00
Scott Barnard edcb8090ff Merged in revid-output-var (pull request #312) 
revid: Output var

Approved-by: Saxon Milton <saxon.milton@gmail.com>
 2019-12-31 03:56:13 +00:00
Scott 62af00ff4f PR changes #1 2019-12-31 10:54:13 +10:30
Scott 5286ded51f Small fixes and simplifications 2019-12-27 13:51:50 +10:30
Scott 9876b0cd35 Created motion filter that has a minimum frame rate. 2019-12-24 14:08:42 +10:30
Scott af2de3f938 Created singular Output var 2019-12-23 16:55:40 +10:30
Scott b8f70ddaa1 revid/config/config.go Changed case of logging variable. 2019-12-23 16:21:49 +10:30
Ella Pietraroia 51709d2fd3 Documentation comments 2019-12-23 12:01:27 +10:30
Ella Pietraroia 6d5acb8941 Documentation comments 2019-12-23 11:59:17 +10:30
Scott 7364174858 Filters shall close when revid stops. 
The Stop method for revid calls the filter's Close method to free filter resources.
 2019-12-20 15:37:49 +10:30
Scott cbe36f03b0 revid/revid.go Added MOGFilter as Filter option 2019-12-20 12:10:49 +10:30
Ella Pietraroia c4d809be27 Filter interface take 2 
This branch was made because we were having problems with rebasing the original filter-interface branch. Filter-interface was used to make interface for filters and adding into pipeline made a new file (filter.go) that conatins package Filter. This package has the filter interface, with one filter, NoOp. More filters can be added. The filtering stage was placed inbetween lexing and encoding by changing the LexTo function to have the filter as it's destination and making the destination of the filter to be r.encoders
 2019-12-20 10:42:51 +10:30
Ella Pietraroia a16d37f19e Merged in timebasedpsi (pull request #306) 
making a time based psi method for when to send packets

Approved-by: Saxon Milton <saxon.milton@gmail.com>
 2019-12-19 03:54:40 +00:00
Scott d0adae710e PR fixes 2019-12-19 14:21:32 +10:30
Ella Pietraroia 0ec0a08e0e comments and some other small changes made to revid.go encoder.go and config.go 2019-12-19 11:15:47 +10:30
Ella Pietraroia 222864108f making a time based psi method for when to send packets 
Added a case that allows packets to be sent by unit of time (in seconds) rather than by number of packets or nal methods. Also made a variable that can be changed in vidgrinder to choose the amount of time, called PsiTime
 2019-12-19 09:56:24 +10:30
Scott b59b342bee revid/config/config.go Alphabetically ordered type data 2019-12-18 16:02:20 +10:30
Scott f00918a73d Revid uses netsender to report variable types 
Variable type data kept in revid/config/config.go
Supports variadic new function in netsender
Updated revid to use iot v1.2.9
 2019-12-18 09:34:04 +10:30
Scott c11444f043 FlipHorizontal & FlipVertical variables renamed 2019-12-06 16:36:29 +10:30
Frank Cui 73398f96a7 Merged in ParseInt-to-Atoi (pull request #297) 
revid/revid.go: Replaced ParseInt with Atoi

Approved-by: Saxon Milton <saxon.milton@gmail.com>
 2019-12-05 09:36:42 +00:00
Frank Cui fe22d55050 revid/revid.go: Changed remaining ParseUint to Atio 2019-12-05 14:50:44 +10:30
Scott ad7af04f13 revid/revid.go Added file as a valid value to the input variable 2019-12-05 10:43:28 +10:30
Frank Cui 6e2dcc4b4d revid/revid.go: Replaced ParseInt with Atoi 2019-12-05 09:55:11 +10:30
Frank Cui f88c6fc096 revid/config: Simplfied LogLevel check 2019-12-05 09:30:51 +10:30
Scott Barnard 8fa9f7df48 Merged in revid-crash-file-input (pull request #294) 
Revid crash on file input fixed

Approved-by: Saxon Milton <saxon.milton@gmail.com>
 2019-12-04 07:16:16 +00:00
Scott f8fc5156f1 revid/revid.go Revid crash on file input fixed 
Now the file input has the lexer set to config's codec
 2019-12-04 16:17:51 +10:30
Scott e116e197ae Changed all %v's to %w's where appropriate 2019-12-04 14:12:20 +10:30
Scott Barnard 94380ef17e Merged in mjpeg-output-v4l (pull request #292) 
Mjpeg output v4l

Approved-by: Saxon Milton <saxon.milton@gmail.com>
 2019-12-04 01:55:41 +00:00
Scott 70802022bb revid/revid.go MPEG lexer enabled and encoder options set for v4l 2019-12-04 11:40:12 +10:30
Frank Cui b49e722c0b revid/config.go: define max value for MinFrames 2019-12-03 16:00:58 +11:00
Saxon a6797a929d revid: defaulting to VBR for camera devices 
Easiest way to do this is change VBR config field to CBR (therefore CBR defaults to false without having to do anything).
 2019-11-22 17:38:30 +10:30
Alan Noble 41945c9868 Merged in additional-logging (pull request #283) 
Log size along with ring buffer error

Approved-by: kortschak <dan@kortschak.io>
Approved-by: Saxon Milton <saxon.milton@gmail.com>
Approved-by: Alan Noble <anoble@gmail.com>
 2019-11-22 03:28:05 +00:00
scruzin e233ac8fd8 Remove unused code. 2019-11-22 13:30:27 +10:30
scruzin d8ce6faa3c Remove unused package. 2019-11-22 13:27:25 +10:30
scruzin b67944b356 Fix name and remove comments. 2019-11-22 13:25:43 +10:30
scruzin 0cffead826 Remove unused package. 2019-11-22 13:25:24 +10:30
scruzin 7aa774a6c7 Make audio platform specific. 2019-11-22 13:22:23 +10:30
Alan Noble db02c8daa2 Log n with ring buffer errors (in addition to size). 2019-11-22 02:19:21 +00:00
scruzin 980e48c22c Log size along with ring buffer error. 2019-11-22 10:10:02 +10:30
Trek H cd63d0d95a alsa: unexported ringbuffer chunksize 
Chunksize can be calculated without needing an ALSA device instance.

Added a DataSize function to pcm package for calculating size of pcm data given relevant attributes.

Removed ChunkSize from config revid config struct.

Changed NewByteLexer to accept an in rather than a pointer.
 2019-11-13 19:56:13 +10:30
Saxon 9fc60a6842 revid: updated revid to use alsa package instead of audio (renamed audio->alsa) 2019-11-13 16:31:07 +10:30
Saxon 527472e934 revid/config/config.go: checking WriteRate as we need that for encoders 2019-11-13 14:11:29 +10:30
Saxon cf130de752 revid/config/config.go: need to check frame rate here too as revid needs it 2019-11-13 14:11:29 +10:30
Saxon 91e5e765f5 fix webcam bug and also consider webcam Input var value 2019-11-13 14:11:29 +10:30
Saxon 1a65dc9da4 fixing build errors and testing bugs + removed config_test.go as not relevant anymore 2019-11-13 14:11:29 +10:30
Saxon 0a059058a1 revid/config/config.go & config_test.go: simplified config and its validation 
Not that alot of configuration is done by the device implementations, including validation,
we can remove alot of this from the config package here.
 2019-11-13 14:11:29 +10:30
Saxon 866e398496 revid: move processFrom func and deletec inputs.go file 
inputs.go can now go considering it only held "start functions" which have been replaced
by the AVDevice and it's implementations.
 2019-11-13 14:11:29 +10:30
Saxon dec39a3636 revid: now using AVDevice implementations 
Also renamed constructors of devices to reduce stutter e.g. raspivid.NewRaspivid to
raspivid.New
 2019-11-13 14:11:29 +10:30
Trek H b6dd737034 device: audio package name changed to alsa 
yobert/alsa imports changed to yalsa
directory and file names changed to reflect package name change
 2019-11-12 13:28:53 +10:30
Trek Hopton cbbf3deef8 Merged in audio-avdevice (pull request #277) 
Audio implementing AVDevice

Approved-by: Saxon Milton <saxon.milton@gmail.com>
Approved-by: Alan Noble <anoble@gmail.com>
 2019-11-11 12:13:42 +00:00
Trek H c4134fd30e audio: renamed ADPCMDevice to ALSA 2019-11-11 22:26:53 +10:30
Trek H 733785254e audio: renamed AudioDevice to ADPCMDevice 2019-11-11 19:39:10 +10:30
Trek H b66f415e1c audio: renamed Device to AudioDevice 2019-11-11 17:50:46 +10:30
Trek H 3df9300c1c audio: updated startAudioDevice to use AVDevice implementation 2019-11-11 17:05:10 +10:30
Saxon 6b5911633a revid/config/config.go: decrease default ring buffer size and increase MTS ring buffer element size 2019-11-11 14:32:24 +10:30
Saxon fa5585271e revid: audio input meta addition moved to Revid.setupPipeline() 2019-11-09 22:49:04 +10:30
Saxon ff54b40bd2 revid/inputs.go: using alias avconfig for revid/config package 2019-11-08 17:35:44 +10:30
Saxon 772c381293 device/geovision: renamed gvctrl package to config 2019-11-08 17:29:01 +10:30
Saxon 53dc629fb1 revid: sender ring buffers flush only if write was successful 2019-11-08 10:06:51 +10:30
Saxon 9314e0d32e revid/config/config.go: fixed constant names in comments for Input and Outputs fields of Config 2019-11-06 21:26:39 +10:30
Saxon 57d73a8d0a created av/device package and sub packages raspivid, geovision, webcam and file 
av/device/device.go now contains the AVDevice interface and implementations of this
interface, namely, raspivid, geovision, webcam and file are contained in the packages
av/device/raspivid, av/device/geovision, av/device/webcam and av/device/file
respctively. config.go and testing was also moved to a new package called config.go in
order to remove would be circular dependency between AVDevice implementations and revid.
Modifications were made elsewhere expecting config.Config to be part of the revid package.
 2019-11-06 17:44:50 +10:30
Saxon 9a93e92b50 revid/webcam.go: fixed error messages in Webcam.Stop 2019-11-06 11:31:12 +10:30
Saxon a02ea397d5 revid/geovision.go: fixed GeoVision constructor name, NewGeovision->NewGeoVision 2019-11-06 10:45:48 +10:30
Saxon bc7f450c5f revid: fixed AVDevice comment 2019-11-06 08:48:18 +10:30
Saxon a6aef125fd revid: cleaned up AVDevice implementations and added documentation to them 2019-11-05 20:14:04 +10:30
Saxon 50c7fe139b revid/file.go: wrote AVDevice implementation for file containing audio or video media 2019-11-05 12:36:27 +10:30
Saxon 81d168a277 revid/webcam.go: wrote implementations of Start, Stop and Read methods 2019-11-05 11:56:34 +10:30
Saxon 8302e959d9 revid/webcam.go: started writing implementation of AVDevice for webcams 2019-11-05 10:57:12 +10:30
Saxon 5afad9c5aa revid/geovision.go: wrote Read method implementation 2019-11-04 19:43:02 +10:30
Saxon ce8dc9a4b3 revid/geovision.go: wrote Stop method implementation 2019-11-04 19:27:05 +10:30
Saxon 1497f4a575 revid/geovision.go: wrote Start method implementation 2019-11-04 19:12:13 +10:30
Saxon bea4d46c72 revid/geovision.go: added geovision.go file and started geovision implementation of AVDevice interface 2019-11-04 15:47:18 +10:30
Saxon d5aa968a27 revid/geovision.go: created file geovision.go to hold geovision implementation of AVDevice and wrote Set function 2019-11-02 10:54:50 +10:30
Saxon 82903681ee revid/raspivid.go: wrote Stop implementation for Raspivid AVDevice implementation 2019-11-02 10:42:56 +10:30
Saxon b2a9dbf17d revid/raspivid.go: wrote Read implementatino for io.Reader interface 2019-11-02 10:36:55 +10:30
Saxon b554c2820a revid: wrote implementation of Start method for Raspivid implementation 2019-11-02 10:31:40 +10:30
Saxon 924858c1c0 revid: added raspivid.go file to hold Raspivid implementation of AVDevice interface 
Wrote consts for default values, wrote global errors, wrote multiError type (might move)
wrote Set method.
 2019-11-01 21:49:30 +10:30
Saxon 20bf962fa3 revid: added AVDevice interface 2019-10-29 19:02:55 +10:30
Saxon 47f6dcfe51 codec/h264/extract.go: extracter->extractor everywhere 2019-10-28 08:41:49 +10:30
Saxon 7dac9799be revid/revid.go: break if the given saturation or brightness vars are invalid 2019-10-26 08:24:53 +10:30
Saxon f1c0fc1dbf revid: created CameraChan config field to allow selection of GeoVision camera channel 2019-10-25 12:12:30 +10:30
Saxon 2b52266407 revid/inputs.go: corrected ipCamPass value 2019-10-23 14:06:16 +10:30
Saxon 38cfad7b67 revid: fixing some more bugs 
Fixed H264 RTP extractor. Fine tuned some timing regarding geovision setup. Added some more
logging to geovision setup.
 2019-10-23 12:48:22 +10:30
Saxon f336a03d7a revid: general bug fixing 
Use http instead of https in gvctrl getLogin request. Gave RTP client a close method so that the conn can
be closed after we're done with the client. Put timeout on reading from the RTP client PacketConn so that
we don't hang on the ReadFrom call if the conn is closed. Closing the RTSP and RTP clients when
startRTSPCamera is returned.
 2019-10-22 23:04:33 +10:30
Saxon 504179c03b revid: added code to deal with Input var 2019-10-22 16:17:35 +10:30
Saxon 8c1c192218 revid: revid config to update geovision configuration using gvctrl 
Added required new params to config structure, and therefore also added new defaults and validation checking.
Also updated revid's update func so that we can control new parameters using vars. Now using gvctrl in
startRTSPCamera function and interpreting revid config to configure camera.
 2019-10-22 14:54:38 +10:30
Saxon 8837dce389 revid: write timeouts for ringbuffer are just int to avoid overflow when converting duration to int on pi for the purpose of logging 2019-10-15 11:02:28 +10:30
Saxon ee1bea3f77 revid: fixed crash: converting durations to int before giving to logger as args 2019-10-15 10:52:48 +10:30
Saxon Milton 5642af9cc5 Merged in gv-h264-rtmp-fix (pull request #262) 
revid: fix GeoVision H264 over RTMP to youtube

Approved-by: Alan Noble <anoble@gmail.com>
 2019-10-12 10:43:16 +00:00
Saxon 874b9639cf revid: made RTMP and MTS sender ring buffer write timeouts configurable 2019-10-12 21:10:48 +10:30
Saxon 8489d615d8 revid: panic if invalid input, or invalid input codec for corresponding input 2019-10-12 20:54:32 +10:30
Saxon fc4e88bce6 fixed bugs causing problems with GeoVision H264 RTMP to youtube streaming. 
Two fixes were involved, firstly, access unit delimeters were used to denote access units and the Write timeout on rtmpSender's ringBuffer was
increased to stop the 'unable to dump old write' errors. Also made some small changes elsewhere that should fix future issues, particular with
MTS output.
 2019-10-07 14:18:20 +10:30
Saxon 6df95886dd revid: using mutex to synchronise usage of Start and Stop 2019-10-01 23:44:38 +09:30
Saxon 8df837ee49 revid/senders_test.go: turning package based PSI sending on for TestMtsSenderDiscontinuity to fix hanging bug 2019-10-01 20:47:03 +09:30
Saxon a37b250e3c revid: moved code relating to inputs to separate file called inputs.go 2019-09-25 11:30:56 +09:30
Saxon 38f2d691cf revid: now using correct consts to indicate codec 2019-09-24 17:35:17 +09:30
Saxon 191be04b11 revid: added support for MJPEG packetisation 
Changes included adding support for variable InputCodec that may be set via netreceiver/vidgrind to set to H264/MJPEG. Also setting revid's lexTo
function to mjpeg.Lex in the case of an MJPEG InputCodec. Added options parameter to mts.NewEncoder function so that we can change options of the
encoder, namely whether it bases PSI interval on NAL type, or number of frames - in the case of MJPEG we based PSI interval on number of frames.
 2019-09-24 07:42:26 +09:30
Saxon Milton fe49be41ad revid: setting revid's config in revid.New 2019-09-12 07:47:46 +00:00
Saxon 9769a3c4a9 revid: not setting up pipeline until we start 2019-09-12 17:08:22 +09:30
Saxon a8081b52b2 revid/config.go: MinPeriod => MinFrames 2019-08-26 13:43:45 +09:30
Saxon e57e14678a container/mts: using RealTime type from utils package instead of global vars with mutator functions 2019-08-26 13:29:07 +09:30
Saxon 24e9ed69ca revid/config.go: got rid of remaining references of 'RefreshPeriod' which is now MinPeriod 2019-08-26 09:26:35 +09:30
Saxon 817cc86a34 revid: now have MinPeriod and ClipDuration params 
This change included a rename of IntraRefreshPeriod to MinPeriod, and the addition of the ClipDuration param. PSI are now written before IDR. Clips are no longer outputed
based on PSI but rather a time ClipDuration, where ClipDuration >= MinPeriod, however, PSI must still be at the beginning of each clip. Also created functionality to update
meta time even if we don't have a response to update.
 2019-08-25 20:42:01 +09:30
Saxon d390918209 revid: corrected logic for RTMPURL fallback and fixed bug in test 2019-08-24 14:53:49 +09:30
Saxon ce8295bb36 revid: variable bitrate default for HTTP mode, also wrote some testing for config validation 2019-08-24 14:02:24 +09:30
Saxon Milton 37b8e7a8bc revid: increase sender ring buffer read timeouts to slow down output loops 2019-08-23 15:51:01 +09:30
Saxon b41ae4bcd3 revid: fixed config check bug 2019-08-09 19:18:52 +09:30
Saxon Milton 5bd2528bb0 Merged in rb-vars (pull request #230) 
revid: ring buffer sizes configurable via vars

Approved-by: kortschak <dan@kortschak.io>
 2019-08-09 06:06:20 +00:00
Saxon 67e50295c9 revid: fixed assignment of MTSRBSize 2019-08-09 15:34:29 +09:30
scruzin ab6c789c34 Added license. 2019-08-08 15:23:09 +09:30
scruzin cd1e7294dd Merge branch 'compile-on-windows' of https://bitbucket.org/ausocean/av into compile-on-windows 2019-08-08 15:02:12 +09:30
scruzin dec7bd4870 Initial revision. 2019-08-08 15:01:16 +09:30
Alan Noble 2597556e6d Add missing packages for Linux. 2019-08-08 14:57:09 +09:30
Alan Noble 11e6d55f49 Merge branch 'compile-on-windows' of https://bitbucket.org/ausocean/av into compile-on-windows 2019-08-08 14:50:04 +09:30
scruzin d32eac7394 Moved audio support to OS-specific files. 2019-08-08 14:39:55 +09:30
Saxon 75b7a2946f revid: made MTS and RTMP ringbuffer sizes configurable via vars and added to revid config 2019-08-08 13:20:02 +09:30
Saxon 83407004ed revid: gave mtsSender and rtmpSender separate ringBuffer sizes, and also increase rtmpSender ringBuffer element size 2019-08-07 17:02:06 +09:30
Trek H 3f29f0c84e Merge branch 'master' into revid-audio 2019-08-02 23:32:21 +09:30
Saxon Milton 05f79ddbe3 revid: increase RtmpSender ring buffer size 2019-07-14 05:59:55 +00:00
Trek H 370aa19c23 audio: style and doc 2019-06-18 19:03:38 +09:30
Trek H 6dd70639fe audio: removed bufSize arg in Lex funcs and use ByteLexer 2019-06-18 17:24:32 +09:30
Trek H e3ba1e43f3 Merge branch 'master' into revid-audio 2019-06-14 00:15:04 +09:30
Saxon 2640b1b615 Merge branch 'h264-rtp-lexer' 2019-06-07 02:00:41 +09:30
Saxon ce457e1d95 should have been in last commit 2019-06-07 02:00:31 +09:30
Saxon Milton 499a26c09f Merged in h264-rtp-lexer (pull request #202) 
codec/h264: added RTPLexer

Approved-by: Alan Noble <anoble@gmail.com>
 2019-06-06 16:02:04 +00:00
Trek H 96c1b51173 revid and audio: seperated audio into own package 
audio device input is now handle in its own package which resides in the new input directory
a list of codecs was added to codecutil package to help with multiple packages using the same codecs
 2019-06-06 02:09:55 +09:30
Trek H 7b4daed4a6 revid: added metadata to audio mts streams 2019-06-05 15:08:47 +09:30
Trek H bea747085f revid: updated lex funcs in tests, changed audioDevice logger 
Since adding the extra bufSize arg to Lex functions, the test functions using them needed to be updated.
NewAudioDevice was changed to accept a logger to log to instead of creating a new one.
 2019-06-04 12:28:40 +09:30
Trek H 409dcabe0a revid: added codec conversion after recording 2019-06-04 02:31:35 +09:30
Trek H 90c34c4108 revid: fixed issues after merge 2019-06-03 18:35:28 +09:30
Trek H 3d7539c6df Merge branch 'master' into revid-audio 2019-06-03 17:50:48 +09:30
Trek H e851ea228c revid: added switch for codec conversion after recording 2019-05-29 02:20:19 +09:30
Trek H c2b5ee0574 revid: simplified audio device read write concurrency 2019-05-29 02:06:58 +09:30
Saxon 061b015297 revid/config.go: updated commend for Config's InputCodec field. 2019-05-28 12:37:50 +09:30
Saxon b6e5414c8a revid: fixed merge conflicts 2019-05-27 15:15:26 +09:30
Saxon 1df0d214c9 revid/revid.go: fixed merge conflicts 2019-05-27 15:00:41 +09:30
Saxon 809d904878 revid/revid.go: commented startRTSPCamera 2019-05-23 14:10:09 +09:30
Trek H 5225896924 revid: gave AudioDevice a logger 2019-05-23 01:23:51 +09:30
Trek H dd66c58f40 revid: concurrency and testing 
fixed a situation where a deadlock can occur and also found and fixed some issues while testing different initialisations on AudioDevice.
 2019-05-23 00:19:44 +09:30
Trek H 17d59014c6 revid: added concurrency support to start and stop 2019-05-22 14:56:58 +09:30
Saxon 722ddc6ccb codec/h264/lex_test.go: added test for RTPLexer.Lex(...) and also fixed some build errors 2019-05-22 14:49:25 +09:30
Saxon d29141cf05 container/mts: changed consts H264, H265 and Audio to EncodeH264, EncodeH265 and EncodeAudio 2019-05-21 16:57:17 +09:30
Saxon eeaf806c6e protocol/rtcp/client.go & revid/revid.go: removed rtcp.Client.Done() and now blocking on rtcp.Client.Err() in revid. 
It seems unnecessary to have the rtcp.Client.Done() func, considering that we could use
the rtcp.Client.err channel itself to determine if the RTCP client has been stopped.
We simple wait on a chan receive in revid in the error handling routine, and we check the
'ok' return - if it is false, then the err chan has been closed and we can get out of the
error handling loop. This should also reduce CPU usage significantly.
 2019-05-21 13:23:04 +09:30
Trek H c58c573cd7 revid: changed writeRates and recPeriods to floats 2019-05-21 12:39:10 +09:30
Saxon 88ffdf08b5 revid: changed the input enum for RTSP input from RTSPCamera to RTSP 2019-05-21 12:18:52 +09:30
Saxon 91d2697a55 revid: general clean up 2019-05-21 01:48:29 +09:30
Trek H 7ba9d023a3 revid: made start and stop change audio device state 2019-05-21 00:45:54 +09:30
Saxon 3ff726e439 revid & cmd/revid-cli: removed need for command line flags to specify addresses for RTP and RTCP. 
Removed the command line flags that were used to specifiy local and remote addresses for RTP and RTCP. These are now
derived from the initial RTSP connection and also from the RTSP SETUP method reply.
 2019-05-20 19:45:59 +09:30
Saxon bc6a0ae55e revid: using RTCP client to maintain RTP stream from RTSP server 
Now adopting an RTCP client so that the RTP stream from the RTSP server can be maintained past 1 minute.
This change involved some refactor.
The rtcp.NewClient signature has been simplified. There is now a default send interval and name for use
in the source description in the receiver reports. These can be customised if required with the new
SetSendInterval and SetName funcs. The rtcp.NewClient signature now takes an rtp.Client, so that it
can get information from the RTP stream, like most recent sequence number. As a result of this requirement
the rtp package parse file has been extended with some functions for parsing out the sequence number and
ssrc from RTP packets and the RTP client provides getters for these things.
 2019-05-20 18:14:27 +09:30