v7.95.3 RPi3: Videostream only emits audio

dag · February 12, 2017 at 10:29 PM

Hi,

I reported this first at the Retrospect addon website here: basrieter / XBMC Online TV / issues / #822 - Channels VIER and VIJF in Retrospect only give sound on RPi 3 / LibreELEC 7.95.3 — Bitbucket

When I start any stream from 2 different channels in Retrofit (both channels are from the same content provider) the streams only emit audio.

The normal logging shows this:

Code

19:43:55.816 T:1962536768 NOTICE: VideoPlayer: Opening: http://vod.streamcloud.be/vier_vod/mp4:_definst_/demol/2017/volledigeafleveringen/20170206_aflevering1.mp4/chunklist_w187488663_ao.m3u8
19:43:55.829 T:1962536768 WARNING: CDVDMessageQueue(player)::Put MSGQ_NOT_INITIALIZED
19:43:55.842 T:1555039136 NOTICE: Creating InputStream
19:43:55.856 T:1555039136 NOTICE: Creating Demuxer
19:43:56.044 T:1555039136 NOTICE: Opening stream: 0 source: 256
19:43:56.058 T:1555039136 NOTICE: Creating audio thread
19:43:56.234 T:1555039136 NOTICE: OMXClock using audio as reference
19:43:56.335 T:1555039136 WARNING: CDVDMessageQueue(video)::Put MSGQ_NOT_INITIALIZED

The debug logging shows this:

Code

19:50:22.518 T:1962536768 NOTICE: VideoPlayer: Opening: http://vod.streamcloud.be/vier_vod/mp4:_definst_/demol/2017/volledigeafleverngen/20170206_aflevering1.mp4/chunklist_w650361529_ao.m3u8
19:50:22.532 T:1962536768 WARNING: CDVDMessageQueue(player)::Put MSGQ_NOT_INITIALIZED
19:50:22.547 T:1962536768 DEBUG: CMMALRenderer::CMMALRenderer
19:50:22.561 T:1962536768 DEBUG: CMMALRenderer::UnInitMMAL
19:50:22.576 T:1401942944 DEBUG: Thread MMALProcess start, auto delete: false
19:50:22.590 T:1962536768 DEBUG: CMMALRenderer::PreInit
19:50:22.604 T:1401942944 DEBUG: CMMALRenderer::Run - starting
19:50:22.618 T:1240306592 DEBUG: Thread VideoPlayer start, auto delete: false
19:50:22.633 T:1240306592 NOTICE: Creating InputStream
19:50:22.647 T:1240306592 NOTICE: Creating Demuxer
19:50:22.809 T:1240306592 DEBUG: Open - avformat_find_stream_info starting
19:50:22.826 T:1240306592 DEBUG: Open - av_find_stream_info finished
19:50:22.840 T:1240306592 INFO: ffmpeg[49ED93A0]: Input #0, hls,applehttp, http://vod.streamcloud.be/vier_vod/mp4:_definst_/demol/017/volledigeafleveringen/20170206_aflevering1.mp4/chunklist_w650361529_ao.m3u':
19:50:22.854 T:1240306592 INFO: ffmpeg[49ED93A0]: Duration: 01:11:39.52, start: 0.000000, bitrate: 0 kb/s
19:50:22.871 T:1240306592 INFO: ffmpeg[49ED93A0]: Program 0
19:50:22.885 T:1240306592 INFO: ffmpeg[49ED93A0]: Metadata:
19:50:22.909 T:1240306592 INFO: ffmpeg[49ED93A0]: variant_bitrate : 0
19:50:22.921 T:1240306592 INFO: ffmpeg[49ED93A0]: Stream #0:0: Audio: aac (LC), 44100 Hz, stereo, fltp, 115 kb/s
19:50:22.935 T:1240306592 DEBUG: CDVDDemuxFFmpeg::AddStream ID: 0
19:50:22.950 T:1240306592 DEBUG: SeekTime - unknown position after seek
19:50:22.964 T:1240306592 DEBUG: COMXCoreComponent::Initialize OMX.broadcom.clock input port 80 output port 81 m_handle 0x52c04870
19:50:22.979 T:1240306592 DEBUG: OMXClock::OMXStop
19:50:22.994 T:1240306592 DEBUG: OMXClock::OMXSetSpeed(0.000) pause_resume:1
19:50:23.006 T:1240306592 NOTICE: Opening stream: 0 source: 256
19:50:23.021 T:1240306592 NOTICE: Creating audio thread
19:50:23.037 T:1248695200 DEBUG: Thread OMXPlayerAudio start, auto delete: false
19:50:23.049 T:1240306592 DEBUG: OnPlayBackStarted: play state was 1, starting 1
19:50:23.062 T:1240306592 DEBUG: CVideoPlayer::SetCaching - caching state 2
19:50:23.078 T:1962536768 DEBUG: PlayFile: OpenFile succeed, play state 2
19:50:23.089 T:1240306592 DEBUG: CDVDClock::SetSpeedAdjust - adjusted:0.000000
19:50:23.103 T:1248695200 DEBUG: COMXPlayerAudio - CDVDMsg::PLAYER_SETSPEED 0
19:50:23.118 T:1962536768 DEBUG: OnPlayBackStarted: play state was 2, starting 0
19:50:23.131 T:1555039136 DEBUG: Thread BackgroundLoader start, auto delete: false
19:50:23.146 T:1962536768 DEBUG: ADDON: Dll Initializing - Waveform
19:50:23.162 T:1962536768 DEBUG: SECTION:LoadDLL(/storage/.kodi/addons/visualization.waveform/visualization.waveform.so.1.1.0)
19:50:23.174 T:1555039136 DEBUG: Thread BackgroundLoader 1555039136 terminating
19:50:23.188 T:1248695200 DEBUG: COMXAudioCodecOMX::Decode(0x57413f70,17) format=8(8) chan=2 samples=1024 size=8192 data=0x56a92eb00x56aee2c0,(nil),(nil),(nil),(nil),(nil),(nil)
19:50:23.204 T:1962536768 DEBUG: Loading: /storage/.kodi/addons/visualization.waveform/visualization.waveform.so.1.1.0
19:50:23.216 T:1248695200 DEBUG: COMXAudioCodecOMX::GetData size=8192/8192 line=4096/4096 buf=0x56bdc198, desired=65536
19:50:23.231 T:1240306592 DEBUG: CVideoPlayer::OMXDoProcessing Resume 0.00,18442241441792.00 (A:10 V:01) EOF:0 FULL:1 T:0.20
19:50:23.325 T:1248695200 DEBUG: COMXAudio::SetCodingType OMX_AUDIO_CodingPCM
19:50:23.416 T:1962536768 DEBUG: Calling TransferSettings for: Waveform
19:50:23.506 T:1240306592 DEBUG: OMXClock::OMXSetSpeed(1.000) pause_resume:1
19:50:23.598 T:1248695200 DEBUG: COMXAudio:SetAudioProps hdmi_stream_channels 0 hdmi_channel_map 00000008
19:50:23.688 T:1962536768 DEBUG: Visualisation::Start()
19:50:23.778 T:1248695200 INFO: COMXAudio::Initialize remap:(nil) chan:2->2 norm:1 upmix:1 3:3

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[hr]
Looking at OSMC you can see the following ffmpeg build flags for the RPi2/RPi3 build:

Code

./configure \
  --prefix=/usr \
  --enable-gles \
  --disable-x11 \
  --disable-openmax \
  --enable-optical-drive \
  --enable-libbluray \
  --disable-debug \
  --disable-vaapi \
  --disable-vdpau \
  --disable-pulse \
  --with-platform=$PIDEV \
  --disable-optimizations \
  --enable-libcec \
  --enable-player=omxplayer \
  --build=arm-linux

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For LibreELEC builds a lot more is explicitly enabled/disabled:

Code

./configure \
  --prefix="/usr" \
  --cpu="$TARGET_CPU" \
  --arch="$TARGET_ARCH" \
  --enable-cross-compile \
  --cross-prefix="$TARGET_PREFIX" \
  --sysroot="$SYSROOT_PREFIX" \
  --sysinclude="$SYSROOT_PREFIX/usr/include" \
  --target-os="linux" \
  --nm="$NM" \
  --ar="$AR" \
  --as="$CC" \
  --cc="$CC" \
  --ld="$CC" \
  --host-cc="$HOST_CC" \
  --host-cflags="$HOST_CFLAGS" \
  --host-ldflags="$HOST_LDFLAGS" \
  --host-libs="-lm" \
  --extra-cflags="$CFLAGS" \
  --extra-ldflags="$LDFLAGS" \
  --extra-libs="$FFMPEG_LIBS" \
  --disable-static \
  --enable-shared \
  --enable-gpl \
  --disable-version3 \
  --disable-nonfree \
  --enable-logging \
  --disable-doc \
  $FFMPEG_DEBUG \
  --enable-pic \
  --pkg-config="$ROOT/$TOOLCHAIN/bin/pkg-config" \
  --enable-optimizations \
  --disable-extra-warnings \
  --disable-ffprobe \
  --disable-ffplay \
  --disable-ffserver \
  --enable-ffmpeg \
  --enable-avdevice \
  --enable-avcodec \
  --enable-avformat \
  --enable-swscale \
  --enable-postproc \
  --enable-avfilter \
  --disable-devices \
  --enable-pthreads \
  --disable-w32threads \
  --enable-network \
  --disable-gnutls
  --enable-openssl \
  --disable-gray \
  --enable-swscale-alpha \
  --disable-small \
  --enable-dct \
  --enable-fft \
  --enable-mdct \
  --enable-rdft \
  --disable-crystalhd \
  $FFMPEG_VAAPI \
  $FFMPEG_VDPAU \
  --disable-dxva2 \
  --enable-runtime-cpudetect \
  $FFMPEG_TABLES \
  --disable-memalign-hack \
  --disable-encoders \
  --enable-encoder=ac3 \
  --enable-encoder=aac \
  --enable-encoder=wmav2 \
  --enable-encoder=mjpeg \
  --enable-encoder=png \
  --disable-decoder=mpeg_xvmc \
  --enable-hwaccels \
  --disable-muxers \
  --enable-muxer=spdif \
  --enable-muxer=adts \
  --enable-muxer=asf \
  --enable-muxer=ipod \
  --enable-muxer=mpegts \
  --enable-demuxers \
  --enable-parsers \
  --enable-bsfs \
  --enable-protocol=http \
  --disable-indevs \
  --disable-outdevs \
  --enable-filters \
  --disable-avisynth \
  --enable-bzlib \
  --disable-frei0r \
  --disable-libopencore-amrnb \
  --disable-libopencore-amrwb \
  --disable-libopencv \
  --disable-libdc1394 \
  --disable-libfaac \
  --disable-libfreetype \
  --disable-libgsm \
  --disable-libmp3lame \
  --disable-libnut \
  --disable-libopenjpeg \
  --disable-librtmp \
  --disable-libschroedinger \
  --enable-libspeex \
  --disable-libtheora \
  --disable-libvo-amrwbenc \
  --disable-libvorbis \
  --disable-libvpx \
  --disable-libx264 \
  --disable-libxavs \
  --disable-libxvid \
  --enable-zlib \
  --enable-asm \
  --disable-altivec \
  $FFMPEG_FPU \
  --enable-yasm \
  --disable-symver \
  $FFMPEG_X11GRAB

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So I am wondering whether we are disabling more support than what is required here ?
[hr]
Looking inside of the .m3u8 files from the stream I only identify audio file extensions:

Code

[dag@moria ~]$ cat chunklist_w1393100106_ao.m3u8
#EXTM3U
#EXT-X-VERSION:3
#EXT-X-TARGETDURATION:11
#EXT-X-MEDIA-SEQUENCE:0
#EXTINF:10.56,
media_w1393100106_ao_0.aac
#EXTINF:10.8,
media_w1393100106_ao_1.aac
#EXTINF:10.56,
media_w1393100106_ao_2.aac
#EXTINF:9.92,
media_w1393100106_ao_3.aac
#EXTINF:10.24,
media_w1393100106_ao_4.aac
#EXTINF:9.6,
media_w1393100106_ao_5.aac
#EXTINF:9.92,
media_w1393100106_ao_6.aac
#EXTINF:10.56,
media_w1393100106_ao_7.aac
#EXTINF:9.76,
media_w1393100106_ao_8.aac
#EXTINF:10.04,
media_w1393100106_ao_9.aac
#EXTINF:10.68,
media_w1393100106_ao_10.aac
#EXTINF:10.36,
media_w1393100106_ao_11.aac
#EXTINF:10.2,
media_w1393100106_ao_12.aac
#EXTINF:9.6,
media_w1393100106_ao_13.aac
#EXTINF:10.68,
media_w1393100106_ao_14.aac
#EXTINF:10.4,
media_w1393100106_ao_15.aac
#EXTINF:10.8,
media_w1393100106_ao_16.aac
#EXTINF:10.4,
media_w1393100106_ao_17.aac
#EXTINF:10.04,
media_w1393100106_ao_18.aac
#EXTINF:10.04,
media_w1393100106_ao_19.aac
...
#EXTINF:10.28,
media_w1393100106_ao_419.aac
#EXTINF:9.88,
media_w1393100106_ao_420.aac
#EXTINF:9.76,
media_w1393100106_ao_421.aac
#EXTINF:9.64,
media_w1393100106_ao_422.aac
#EXTINF:6.48,
media_w1393100106_ao_423.aac
#EXT-X-ENDLIST

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[hr]
Alright I figured it out

Retrospect is downloading the audio-streams only.
Replacing in the link "ao" with "vo" works fine, and it .m3u8 files do contain video content !

dag · February 13, 2017 at 1:01 AM

The real solution, as described in the link, was to increase the maximum stream bitrate in Retrospect from the default 1500 to 2000 so that not the audio-only stream, but instead the video stream is selected.