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From: | bagamarco . |
Subject: | Re: [Linphone-developers] [Mail 3/3][PATCH] mediastreamer2: audio quality, tool/mediastreamer feature and minor changes |
Date: | Fri, 9 Feb 2018 13:31:39 +0100 |
Following patches changes src/voip/audiostream.c src/voip/mediastream.c files*Patch list and description:*0012-voip-audiostream-do-not-istantiate-av_player-resampl. patch Do not instantiate resampler when not needed in av_player.0013-voip-audiostream-added-methods-useful-to-enable-disa. patch Added methods useful to enable/disable AudioMixer input related to unused/unwanted path.0014-voip-audiostream-disable-by-default-local_player-pat. patch I have some trouble with local_player (MSFilePlayer) attached to local_mixer.When local_player is istantiated but not "opened" and "started", it generate noise on local_mixer output.I couldn't find where this happen.As workaround, this patch disable by default local_mixer input pin associated to local_player.User should enable this path when use local_player (after audio_stream_get_local_player)0015-voip-audiostream-voip-mediastream-added-audio_ stream.patch In some circumstance (eg. multicast monodirectional stream) is mandatory that RTP is initialized as SENDONLY or RECVONLY.Based on audio_stream_new2, this patch added audio_stream_new3 method useful to create and RTP stream half/full duplex.0016-voip-audiostream-changed-MSMediaStreamIO-parameter-a. patch Changed MSMediaStreamIO check in src/voip/audiostream.c in order to be more flexible.Also added check on each filter to avoid segfaults in half duplex configuration.0017-voip-audiostream-play-input-file-before-activate- cap.patch When capture card and input file are activated together, prepend input file to capture card.2018-02-09 13:29 GMT+01:00 bagamarco . <address@hidden>:Hey folks,working with my iMX6 SoloX and mediastreamer tool I run into some audio problems.Attached you can find some patches that fix few bugs, simplify alsa filter configuration (threaded version and epipe bug fixing) and other minor changes like typos or compile warning.In next mails I will provide some general modification and new features to mediastreamer tool.*Patch list and description:*0001-audiofilters-alsa-aligned-read_process-samples-to-20. patch alsa_read_process function in non threaded version read 16ms samples instead of 20ms like other functions.0002-audiofilters-alsa-fixed-errors-when-compiled-with-TH.pa tch Use ENABLE_ALSA_THREADED cmake option to enable alsa threaded version.Also fix compile errors in this configuration.0003-audiofilters-alsa-fixed-reference-errors-when-compil.pa tch Use ENABLE_ALSA_EPIPE_BUGFIX cmake option to enable EPIPE_BUGFIX in alsa filter.Also fix compile errors in this configuration.0004-audiofilters-alsa-added-debug-message-when-alsa_writ.pa tch Actually, when snd_pcm_writei returns EAGAIN, these samples are discarded generating audio noise.Increase output buffer size in /etc/asound.conf avoid EAGAIN error.In order to simply debug, this patch add ms_debug message every time EAGAIN is returned.0005-audiofilters-audiomixer-do-not-check-channel-activit.pa tch When an MSAudioMixer input pin is disabled do not consider channel activity and discard samples.0006-audiofilters-audiomixer-increase-logging-information.pa tch Added debug information when MSAudioMixer enters into bypass mode.0007-audiofilters-audiomixer-fixed-typos.patch Fixed typos0008-msqueue-added-mutex-lock-in-MSBufferizer-in-order-to.pa tch MSFilePlayer generate strange duplicated audio.After some debug, I notice that ms_bufferizer provides duplicated samples.This patch added mutex in order protect critical section in msqueue proceducer/consumer.0009-mscommon-concealement-is-not-required-when-current-t.pa tch I had some problem with OPUS codec. It introduce noise when use PLC.Using concealement only when we are late...0010-voip-audiostream-removed-compile-warning.patch Minor. Fix warning0011-voip-audiostream-fixed-memleak-on-multiple-audio_str.pa tch In src/audiostream.c there is a memleak when recorder is stopped.With this patch record_file is freed, but the sequeceaudio_stream_mixed_record_open, audio_stream_mixed_record_start, audio_stream_mixed_record_stopis mandatory.
0018-tools-mediastream-changed-local-parameter-parsing-in.patch
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0019-tools-mediastream-added-SIGTERM-handler.patch
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0020-tools-mediastream-accept-also-custom-alsa-card.patch
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0021-tools-mediastream-permits-half-and-fullduplex-RTP-st.patch
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0022-tools-mediastream-permits-NULL-cards-and-in-out-file.patch
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