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RTL text gets reversed in video #4295

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gAlleb opened this issue Jan 2, 2025 · 10 comments
Open

RTL text gets reversed in video #4295

gAlleb opened this issue Jan 2, 2025 · 10 comments
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bug

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@gAlleb
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gAlleb commented Jan 2, 2025

Description

RTL text gets reversed in video

e.g. Input: "מוּסִיקָה". Video result: הקָיסִוּמ

Steps to reproduce

radio = sine()
# https://fonts.google.com/specimen/Heebo
rtl_font = "./Heebo/static/Heebo-Light.ttf"

show_text = "מוּסִיקָה"

# Printed txt shows correctly
print(show_text)

videostream = single("./Loop.mp4")

videostream = video.add_text(color=0xFFFFFF, font=rtl_font, speed=0, x=340, y=340, size=50, show_text, videostream)

videostream = source.mux.video(video=videostream, radio)

# Output to YouTube
enc = %ffmpeg(
    format="mpegts", 
    %video(codec="libx264", pixel_format="yuv420p", b="300k", preset="superfast", r=5, g=10),
    %audio(
        codec="aac",
        samplerate=44100,
        channels=2,
        b="96k",
        profile="aac_low"
    )
)

output.icecast(fallible=true, videostream)

or

radio = sine()
# https://fonts.google.com/specimen/Heebo
rtl_font = "./Heebo/static/Heebo-Light.ttf"

# file with text: מוּסִיקָה
nowplaying_txt = "./nowplaying.txt"

videostream = single("./Loop.mp4")

def add_nowplaying_text(s) =
  def mkfilter(graph)
    let {video = video_track} = source.tracks(s)
    video_track = ffmpeg.filter.video.input(graph, video_track)
    video_track = ffmpeg.filter.drawtext(fontfile=rtl_font,fontsize="50",x= "340",y="340",fontcolor="white",textfile=nowplaying_txt,reload=5,graph,video_track)
    video_track = ffmpeg.filter.video.output(graph, video_track)
    source({
      video = video_track
    })
  end

  ffmpeg.filter.create(mkfilter)
end

videostream = add_nowplaying_text(videostream)

videostream = source.mux.video(video=videostream, radio)

# Output to YouTube
enc = %ffmpeg(
    format="mpegts", 
    %video.raw(codec="libx264", pixel_format="yuv420p", b="300k", preset="superfast", r=5, g=10),
    %audio(
        codec="aac",
        samplerate=44100,
        channels=2,
        b="96k",
        profile="aac_low"
    )
)

output.icecast(fallible=true, videostream)

Expected behavior

Liquidsoap version

Liquidsoap 2.3.x every build

Liquidsoap build config

* Liquidsoap version  : rolling-release-v2.3.x-48-g5cb4ad6+dev

 * Compilation options
   - Release build       : false
   - Git SHA             : (none)
   - OCaml version       : 4.14.2
   - OS type             : Unix
   - Libs versions       : angstrom=0.16.1 ao=0.2.4 base=v0.16.3 base.base_internalhash_types=v0.16.3 base.caml=v0.16.3 base.shadow_stdlib=v0.16.3 bigarray=[distributed with Ocaml] bigarray-compat=1.1.0 bigstringaf=0.10.0 bytes=[distributed with OCaml 4.02 or above] camlp-streams camomile.lib=2.0 cry=1.0.3 ctypes=0.23.0 ctypes-foreign=0.23.0 curl=0.9.2 domain_shims dtools=0.4.5 dune-build-info=3.17.0 dune-private-libs.dune-section=3.17.0 dune-site=3.17.0 dune-site.private=3.17.0 duppy=0.9.4 ffmpeg-av=1.2.1 ffmpeg-avcodec=1.2.1 ffmpeg-avdevice=1.2.1 ffmpeg-avfilter=1.2.1 ffmpeg-avutil=1.2.1 ffmpeg-swresample=1.2.1 ffmpeg-swscale=1.2.1 fileutils=0.6.4 gen=1.1 integers lame=0.3.7 liquidsoap-lang=rolling-release-v2.3.x-48-g5cb4ad6 liquidsoap-lang.console=rolling-release-v2.3.x-48-g5cb4ad6 liquidsoap_ao=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_builtins=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_core=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_ffmpeg=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_lame=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_ndi=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_optionals=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_portaudio=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_runtime=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_sdl=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_sdl_log_level=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_stereotool=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_xmlplaylist=rolling-release-v2.3.x-48-g5cb4ad6-dirty magic-mime=1.3.1 mem_usage=0.1.1 menhirLib=20240715 metadata=0.3.0 mm=0.8.6 mm.audio=0.8.6 mm.base=0.8.6 mm.image=0.8.6 mm.midi=0.8.6 mm.video=0.8.6 ndi=rolling-release-v2.3.x-48-g5cb4ad6-dirty portaudio=0.2.3 ppx_compare.runtime-lib=v0.16.0 ppx_hash.runtime-lib=v0.16.0 ppx_sexp_conv.runtime-lib=v0.16.0 re=1.12.0 saturn_lockfree=0.4.1 sedlex=3.3 seq=[distributed with OCaml 4.07 or above] sexplib0=v0.16.0 stdlib-shims=0.3.0 stereotool=rolling-release-v2.3.x-48-g5cb4ad6-dirty str=[distributed with Ocaml] stringext=1.6.0 threads=[distributed with Ocaml] threads.posix=[internal] tsdl=v1.1.0 tsdl-image=0.5 tsdl-ttf=0.6 unix=[distributed with Ocaml] uri=4.4.0 xml-light=2.5 xmlm=1.4.0 xmlplaylist=0.1.5
   - architecture        : amd64
   - host                : x86_64-apple-darwin22.6.0
   - target              : x86_64-apple-darwin22.6.0
   - system              : macosx
   - ocamlopt_cflags     : -O2 -fno-strict-aliasing -fwrapv -pthread
   - native_c_compiler   : cc -O2 -fno-strict-aliasing -fwrapv -pthread -D_FILE_OFFSET_BITS=64
   - native_c_libraries  : -lm

 * Configured paths
   - mode              : default
   - standard library  : (set by dune-site)
   - scripted binaries : (set by dune-site)
   - rundir            : (set by dune-site)
   - logdir            : (set by dune-site)
   - user cache        : $HOME/.cache/liquidsoap (override with $LIQ_CACHE_USER_DIR)
   - system cache      : (set by dune-site) (override with $LIQ_CACHE_SYSTEM_DIR)
   - camomile files    : (set by dune-site)

 * Supported input formats
   - MP3               : no (requires mad)
   - AAC               : no (requires faad)
   - Ffmpeg            : yes
   - Flac (native)     : no (requires flac)
   - Flac (ogg)        : no (requires ogg)
   - Opus              : no (requires opus)
   - Speex             : no (requires speex)
   - Theora            : no (requires theora)
   - Vorbis            : no (requires vorbis)
   - WAV/AIFF          : yes (native)

 * Supported output formats
   - FDK-AAC           : no (requires fdkaac)
   - FFmpeg            : yes
   - MP3               : yes
   - MP3 (fixed-point) : no (requires shine)
   - Flac (native)     : no (requires flac)
   - Flac (ogg)        : no (requires ogg)
   - Opus              : no (requires opus)
   - Speex             : no (requires speex)
   - Theora            : no (requires theora)
   - Vorbis            : no (requires vorbis)
   - WAV/AIFF          : yes (native)

 * Tags
   - AAC               : no (requires faad)
   - FFmpeg            : yes
   - FLAC (native)     : no (requires flac)
   - Flac (ogg)        : no (requires ogg)
   - Native decoder    : yes
   - Vorbis            : no (requires vorbis)

 * Input / output
   - ALSA              : no (requires alsa)
   - AO                : yes
   - FFmpeg            : yes
   - JACK              : no (requires bjack)
   - NDI               : yes
   - OSS               : no (requires oss)
   - Portaudio         : yes
   - Pulseaudio        : no (requires pulseaudio)
   - SRT               : no (requires srt)

 * Audio manipulation
   - FFmpeg            : yes
   - LADSPA            : no (requires ladspa)
   - Lilv              : no (requires lilv)
   - Samplerate        : no (requires samplerate)
   - SoundTouch        : no (requires soundtouch)
   - StereoTool        : yes

 * Video manipulation
   - camlimages        : no (requires camlimages)
   - FFmpeg            : yes
   - frei0r            : no (requires frei0r)
   - ImageLib          : no (requires imagelib)
   - SDL               : yes

 * MIDI manipulation
   - DSSI              : no (requires dssi)

 * Visualization
   - GD                : no (requires gd)
   - Graphics          : no (requires graphics)
   - SDL               : yes

 * Additional libraries
   - FFmpeg filters    : yes
   - FFmpeg devices    : yes
   - inotify           : no (requires inotify)
   - irc               : no (requires irc-client-unix)
   - jemalloc          : no (requires jemalloc)
   - lo                : no (requires lo)
   - memtrace          : no (requires memtrace)
   - osc               : no (requires osc-unix)
   - ssl               : no (requires ssl)
   - sqlite3           : no (requires sqlite3)
   - tls               : no (requires tls-liquidsoap)
   - posix-time2       : no (requires posix)
   - windows service   : no (requires winsvc)
   - YAML support      : no (requires yaml)
   - XML playlists     : yes

 * Monitoring
   - Prometheus        : no (requires prometheus)

Installation method

From official container image

Additional Info

No response
@gAlleb gAlleb added the bug label Jan 2, 2025
@toots
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toots commented Jan 2, 2025

Thanks for the report!

Do you have some logs? There are several implementation of video.add_text, that would help narrowing down which one is responsible.

@gAlleb
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Contributor Author

gAlleb commented Jan 2, 2025 

liquidsoap rtl.liq
מוּסִיקָה
2025/01/02 17:21:21 >>> LOG START
2025/01/02 17:21:18 [ffmpeg.filter.bitstream:3] No valid mode found for filter pgs_frame_merge!
2025/01/02 17:21:18 [main:3] Liquidsoap rolling-release-v2.3.x-48-g5cb4ad6+dev
2025/01/02 17:21:18 [main:3] Using: angstrom=0.16.1 ao=0.2.4 base=v0.16.3 base.base_internalhash_types=v0.16.3 base.caml=v0.16.3 base.shadow_stdlib=v0.16.3 bigarray=[distributed with Ocaml] bigarray-compat=1.1.0 bigstringaf=0.10.0 bytes=[distributed with OCaml 4.02 or above] camlp-streams camomile.lib=2.0 cry=1.0.3 ctypes=0.23.0 ctypes-foreign=0.23.0 curl=0.9.2 domain_shims dtools=0.4.5 dune-build-info=3.17.0 dune-private-libs.dune-section=3.17.0 dune-site=3.17.0 dune-site.private=3.17.0 duppy=0.9.4 ffmpeg-av=1.2.1 ffmpeg-avcodec=1.2.1 ffmpeg-avdevice=1.2.1 ffmpeg-avfilter=1.2.1 ffmpeg-avutil=1.2.1 ffmpeg-swresample=1.2.1 ffmpeg-swscale=1.2.1 fileutils=0.6.4 gen=1.1 integers lame=0.3.7 liquidsoap-lang=rolling-release-v2.3.x-48-g5cb4ad6 liquidsoap-lang.console=rolling-release-v2.3.x-48-g5cb4ad6 liquidsoap_ao=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_builtins=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_core=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_ffmpeg=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_lame=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_ndi=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_optionals=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_portaudio=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_runtime=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_sdl=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_sdl_log_level=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_stereotool=rolling-release-v2.3.x-48-g5cb4ad6-dirty liquidsoap_xmlplaylist=rolling-release-v2.3.x-48-g5cb4ad6-dirty magic-mime=1.3.1 mem_usage=0.1.1 menhirLib=20240715 metadata=0.3.0 mm=0.8.6 mm.audio=0.8.6 mm.base=0.8.6 mm.image=0.8.6 mm.midi=0.8.6 mm.video=0.8.6 ndi=rolling-release-v2.3.x-48-g5cb4ad6-dirty portaudio=0.2.3 ppx_compare.runtime-lib=v0.16.0 ppx_hash.runtime-lib=v0.16.0 ppx_sexp_conv.runtime-lib=v0.16.0 re=1.12.0 saturn_lockfree=0.4.1 sedlex=3.3 seq=[distributed with OCaml 4.07 or above] sexplib0=v0.16.0 stdlib-shims=0.3.0 stereotool=rolling-release-v2.3.x-48-g5cb4ad6-dirty str=[distributed with Ocaml] stringext=1.6.0 threads=[distributed with Ocaml] threads.posix=[internal] tsdl=v1.1.0 tsdl-image=0.5 tsdl-ttf=0.6 unix=[distributed with Ocaml] uri=4.4.0 xml-light=2.5 xmlm=1.4.0 xmlplaylist=0.1.5
2025/01/02 17:21:18 [clock:3] Using builtin (low-precision) implementation for latency control
2025/01/02 17:21:21 [frame:4] frame.audio.samplerate set to: 44100
2025/01/02 17:21:21 [request.0:4] Pushed ["/Users/stef/liquidsoap/video/blank.png";...].
2025/01/02 17:21:21 [main:3] User script loaded in 2.36 seconds.
2025/01/02 17:21:21 [frame:4] frame.audio.channels set to: 2
2025/01/02 17:21:21 [frame:4] frame.video.default set to: false
2025/01/02 17:21:21 [frame:4] frame.midi.channels set to: 0
2025/01/02 17:21:21 [frame:4] frame.video.width set to: 1280
2025/01/02 17:21:21 [frame:4] frame.video.height set to: 720
2025/01/02 17:21:21 [frame:4] frame.video.framerate set to: 25
2025/01/02 17:21:21 [frame:4] frame.audio.samplerate set to: 44100
2025/01/02 17:21:21 [frame:3] Using 44100Hz audio, 25Hz video, 44100Hz main.
2025/01/02 17:21:21 [frame:3] Video frame size set to: 1280x720
2025/01/02 17:21:21 [frame:3] Targeting 'frame.duration': 0.02s = 882 ticks.
2025/01/02 17:21:21 [sandbox:3] Could not find binary bwrap, disabling sandboxing.
2025/01/02 17:21:21 [startup:3] FFmpeg filters registration: 0.04s
2025/01/02 17:21:21 [startup:3] FFmpeg bitstream filters registration: 0.00s
2025/01/02 17:21:21 [startup:3] main script hash computation: 0.05s
2025/01/02 17:21:21 [startup:3] main script cache retrieval: 0.05s
2025/01/02 17:21:21 [startup:3] stdlib hash computation: 0.05s
2025/01/02 17:21:21 [startup:3] Loading stdlib from cache!
2025/01/02 17:21:21 [startup:3] stdlib cache retrieval: 0.36s
2025/01/02 17:21:21 [startup:3] Typechecking main script: 1.33s
2025/01/02 17:21:21 [startup:3] Evaluating main script: 0.05s
2025/01/02 17:21:21 [clock:3] Starting clock generic with 11 source(s) and sync: auto
2025/01/02 17:21:21 [threads:4] Created thread "Clock generic" (1 total).
2025/01/02 17:21:21 [threads:4] Created thread "generic queue #1" (1 total).
2025/01/02 17:21:21 [threads:4] Created thread "generic queue #2" (2 total).
2025/01/02 17:21:21 [threads:4] Created thread "generic queue #3" (3 total).
2025/01/02 17:21:21 [threads:4] Created thread "generic queue #4" (4 total).
2025/01/02 17:21:21 [threads:4] Created thread "generic queue #5" (5 total).
2025/01/02 17:21:21 [threads:4] Created thread "non-blocking queue #1" (6 total).
2025/01/02 17:21:21 [threads:4] Created thread "non-blocking queue #2" (7 total).
2025/01/02 17:21:21 [video.converter:3] Using preferred video converter: ffmpeg.
2025/01/02 17:21:21 [audio.converter:3] Using samplerate converter: ffmpeg.
2025/01/02 17:21:21 [clock.generic:4] Clock thread is starting
2025/01/02 17:21:21 [source:4] Source sine gets up with content type: {audio=pcm(stereo)} and frame type: {audio : pcm(stereo)}.
2025/01/02 17:21:21 [sine:3] Content type is {audio=pcm(stereo)}.
2025/01/02 17:21:21 [source:4] Source video.text gets up with content type: {video=canvas} and frame type: 'A.{video : canvas}.
2025/01/02 17:21:21 [video.text:3] Content type is {video=canvas}.
2025/01/02 17:21:21 [source:4] Source video.crop gets up with content type: {video=canvas} and frame type: {video : canvas}.
2025/01/02 17:21:21 [video.crop:3] Content type is {video=canvas}.
2025/01/02 17:21:21 [source:4] Source video.info gets up with content type: {video=canvas} and frame type: {video : canvas}.
2025/01/02 17:21:21 [video.info:3] Content type is {video=canvas}.
2025/01/02 17:21:21 [source:4] Source video.translate gets up with content type: {video=canvas} and frame type: {video : canvas}.
2025/01/02 17:21:21 [video.translate:3] Content type is {video=canvas}.
2025/01/02 17:21:21 [source:4] Source source.available gets up with content type: {video=canvas} and frame type: {video : canvas}.
2025/01/02 17:21:21 [source.available:3] Content type is {video=canvas}.
2025/01/02 17:21:21 [source:4] Source single gets up with content type: {video=canvas} and frame type: 'A.{video : canvas}
2025/01/02 17:21:21 [source:4] where
2025/01/02 17:21:21 [source:4]   'A is a set of tracks to be muxed into a source and a set of tracks to be muxed into a source.
2025/01/02 17:21:21 [single:3] Content type is {video=canvas}.
2025/01/02 17:21:21 [single:3] /Users/stef/liquidsoap/video/blank.png is static, resolving once for all...
2025/01/02 17:21:21 [decoder.video.metadata:4] Unsupported MIME type for "/Users/stef/liquidsoap/video/blank.png": image/png!
2025/01/02 17:21:21 [decoder.ogg.metadata:4] Unsupported MIME type for "/Users/stef/liquidsoap/video/blank.png": image/png!
2025/01/02 17:21:21 [decoder.image.metadata:4] Unsupported file extension for "/Users/stef/liquidsoap/video/blank.png"!

2025/01/02 17:21:21 [video.text:3] Using sdl implementation

2025/01/02 17:21:21 [decoder.id3:4] Unsupported MIME type for "/Users/stef/liquidsoap/video/blank.png": image/png!
2025/01/02 17:21:21 [decoder.id3:4] Unsupported MIME type for "/Users/stef/liquidsoap/video/blank.png": image/png!
2025/01/02 17:21:21 [decoder.id3:4] Unsupported MIME type for "/Users/stef/liquidsoap/video/blank.png": image/png!
2025/01/02 17:21:21 [decoder.flac.metadata:4] Unsupported MIME type for "/Users/stef/liquidsoap/video/blank.png": image/png!
2025/01/02 17:21:21 [decoder.ffmpeg:4] Unsupported MIME type for "/Users/stef/liquidsoap/video/blank.png": image/png!
2025/01/02 17:21:21 [decoder.ffmpeg:4] Unsupported file extension for "/Users/stef/liquidsoap/video/blank.png"!
2025/01/02 17:21:21 [decoder.midi:4] Unsupported MIME type for "/Users/stef/liquidsoap/video/blank.png": image/png!
2025/01/02 17:21:21 [decoder.srt:4] Unsupported MIME type for "/Users/stef/liquidsoap/video/blank.png": image/png!
2025/01/02 17:21:21 [decoder.aiff:4] Unsupported MIME type for "/Users/stef/liquidsoap/video/blank.png": image/png!
2025/01/02 17:21:21 [decoder.wav:4] Unsupported MIME type for "/Users/stef/liquidsoap/video/blank.png": image/png!
2025/01/02 17:21:21 [decoder:4] Available decoders: ffmpeg (priority: 10), image (priority: 1)
2025/01/02 17:21:21 [decoder:4] Trying decoder "ffmpeg"
2025/01/02 17:21:21 [decoder:4] Cannot decode file "/Users/stef/liquidsoap/video/blank.png" with decoder ffmpeg as {video=canvas}. Detected content: {}
2025/01/02 17:21:21 [decoder:4] Trying decoder "image"
2025/01/02 17:21:21 [decoder:4] Available image decoders: ffmpeg (priority: 10), sdl (priority: 5), ppm (priority: 1)
2025/01/02 17:21:21 [decoder:4] Trying image decoder "ffmpeg" (priority: 10)
2025/01/02 17:21:21 [decoder:3] Image decoder "ffmpeg" accepted "/Users/stef/liquidsoap/video/blank.png"
2025/01/02 17:21:21 [decoder:4] Selected decoder image for file "/Users/stef/liquidsoap/video/blank.png" with expected kind {video=canvas} and detected content {video=canvas}
2025/01/02 17:21:21 [decoder:4] Trying method "ffmpeg" for "/Users/stef/liquidsoap/video/blank.png"...
2025/01/02 17:21:21 [single:4] Switching to source single_actual
2025/01/02 17:21:21 [source:4] Source single_actual gets up with content type: {video=canvas} and frame type: {video : canvas}.
2025/01/02 17:21:21 [single_actual:3] Content type is {video=canvas}.
2025/01/02 17:21:21 [single_actual:4] Queued 1 request(s)
2025/01/02 17:21:21 [single_actual:4] Remaining 0 requests
2025/01/02 17:21:21 [decoder:4] Trying method "ffmpeg" for "/Users/stef/liquidsoap/video/blank.png"...
2025/01/02 17:21:21 [single_actual:3] Prepared "/Users/stef/liquidsoap/video/blank.png" (RID 0).
2025/01/02 17:21:21 [source:4] Source video.add gets up with content type: {video=canvas} and frame type: 'A.{video : canvas}.
2025/01/02 17:21:21 [video.add:3] Content type is {video=canvas}.
2025/01/02 17:21:21 [source:4] Source source gets up with content type: {video=canvas} and frame type: {video : canvas}.
2025/01/02 17:21:21 [source:3] Content type is {video=canvas}.
2025/01/02 17:21:21 [source:4] Source source.2 gets up with content type: {audio=pcm(stereo),video=canvas} and frame type: {audio : pcm(stereo), video : canvas}.
2025/01/02 17:21:21 [source.2:3] Content type is {audio=pcm(stereo),video=canvas}.
2025/01/02 17:21:21 [source:4] Source output.icecast gets up with content type: {audio=pcm(stereo),video=canvas} and frame type: {audio : pcm(stereo), video : canvas}.
2025/01/02 17:21:21 [output.icecast:3] Content type is {audio=pcm(stereo),video=canvas}.
2025/01/02 17:21:21 [/video:3] Content type is {audio=pcm(stereo),video=canvas}.
2025/01/02 17:21:21 [single_actual:4] Queued 1 request(s)
2025/01/02 17:21:21 [/video:3] Connecting mount /video for

@gAlleb
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gAlleb commented Jan 2, 2025

UPDATE:

When using savonet/liquidsoap:v2.3.0 Dockerimage:

  1. videostream = video.add_text(color=0xFFFFFF, font=rtl_font, speed=0, x=340, y=340, size=50, show_text, videostream) is reversed
  2. video_track = ffmpeg.filter.drawtext(fontfile=rtl_font,fontsize="50",x= "340",y="340",fontcolor="white",textfile="/Users/stef/liquidsoap/nowplaying.txt",reload=5,graph,video_track) is not reversed.

@toots
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toots commented Jan 2, 2025

Yeah, it's confusing. I found no reversal here with whatever method are available.

For reference, you should be able to use:

  • video.add_text.native: Only ASCII support ❌
  • video.add_text.sdl: No reversal here, might be depending on the sdl version ✅
  • video.add_text.gd: gd does not compile here 🚫
  • video.add_text.camlimages: camlimages does not compile here 🚫
  • video.add_text.ffmpeg: No reversal here ✅

Make sure to use the latest main, I just pushed some fixes to video.add_text.ffmpeg

@gAlleb
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gAlleb commented Jan 2, 2025 •
edited
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Upgraded to latest main opam. Text gets reversed.

  • video.add_text.sdl - reversed
  • video_track = ffmpeg.filter.drawtext(fontfile=rtl_font,fontsize="50",x= "340",y="340",fontcolor="white",textfile="/Users/stef/liquidsoap/nowplaying.txt",reload=5,graph,video_track) - reversed

When using video.add_text.ffmpeg this is what i get:

2025/01/02 18:13:09 [main:3] Liquidsoap rolling-release-v2.3.x-60-g88c83b4+dev
2025/01/02 18:13:09 [main:3] Using: angstrom=0.16.1 ao=0.2.4 backoff=0.1.1 base=v0.16.3 base.base_internalhash_types=v0.16.3 base.caml=v0.16.3 base.shadow_stdlib=v0.16.3 bigarray=[distributed with Ocaml] bigarray-compat=1.1.0 bigstringaf=0.10.0 bytes=[distributed with OCaml 4.02 or above] camlp-streams camomile.lib=2.0 cry=1.0.3 ctypes=0.23.0 ctypes-foreign=0.23.0 curl=0.9.2 dtools=0.4.5 dune-build-info=3.17.0 dune-private-libs.dune-section=3.17.0 dune-site=3.17.0 dune-site.private=3.17.0 duppy=0.9.4 ffmpeg-av=1.2.1 ffmpeg-avcodec=1.2.1 ffmpeg-avdevice=1.2.1 ffmpeg-avfilter=1.2.1 ffmpeg-avutil=1.2.1 ffmpeg-swresample=1.2.1 ffmpeg-swscale=1.2.1 fileutils=0.6.4 gen=1.1 integers lame=0.3.7 liquidsoap-lang=rolling-release-v2.3.x-60-g88c83b4 liquidsoap-lang.console=rolling-release-v2.3.x-60-g88c83b4 liquidsoap_ao=rolling-release-v2.3.x-60-g88c83b4-dirty liquidsoap_builtins=rolling-release-v2.3.x-60-g88c83b4-dirty liquidsoap_core=rolling-release-v2.3.x-60-g88c83b4-dirty liquidsoap_ffmpeg=rolling-release-v2.3.x-60-g88c83b4-dirty liquidsoap_lame=rolling-release-v2.3.x-60-g88c83b4-dirty liquidsoap_ndi=rolling-release-v2.3.x-60-g88c83b4-dirty liquidsoap_optionals=rolling-release-v2.3.x-60-g88c83b4-dirty liquidsoap_portaudio=rolling-release-v2.3.x-60-g88c83b4-dirty liquidsoap_runtime=rolling-release-v2.3.x-60-g88c83b4-dirty liquidsoap_sdl=rolling-release-v2.3.x-60-g88c83b4-dirty liquidsoap_sdl_log_level=rolling-release-v2.3.x-60-g88c83b4-dirty liquidsoap_stereotool=rolling-release-v2.3.x-60-g88c83b4-dirty liquidsoap_xmlplaylist=rolling-release-v2.3.x-60-g88c83b4-dirty magic-mime=1.3.1 mem_usage=0.1.1 menhirLib=20240715 metadata=0.3.0 mm=0.8.6 mm.audio=0.8.6 mm.base=0.8.6 mm.image=0.8.6 mm.midi=0.8.6 mm.video=0.8.6 multicore-magic=2.3.0 multicore-magic.__private__.multicore_magic_atomic_array_ocaml4=2.3.0 ndi=rolling-release-v2.3.x-60-g88c83b4-dirty portaudio=0.2.3 ppx_compare.runtime-lib=v0.16.0 ppx_hash.runtime-lib=v0.16.0 ppx_sexp_conv.runtime-lib=v0.16.0 re=1.12.0 saturn_lockfree=0.5.0 sedlex=3.3 seq=[distributed with OCaml 4.07 or above] sexplib0=v0.16.0 stdlib-shims=0.3.0 stereotool=rolling-release-v2.3.x-60-g88c83b4-dirty str=[distributed with Ocaml] stringext=1.6.0 threads=[distributed with Ocaml] threads.posix=[internal] tsdl=v1.1.0 tsdl-image=0.5 tsdl-ttf=0.6 unix=[distributed with Ocaml] uri=4.4.0 xml-light=2.5 xmlm=1.4.0 xmlplaylist=0.1.5
2025/01/02 18:13:09 [clock:3] Using builtin (low-precision) implementation for latency control
2025/01/02 18:13:20 [frame:4] frame.audio.samplerate set to: 44100
2025/01/02 18:13:20 [request.0:4] Pushed ["/Users/stef/liquidsoap/video/videos/PixelLoop.mp4";...].
2025/01/02 18:13:20 [main:3] User script loaded in 9.94 seconds.
2025/01/02 18:13:20 [frame:4] frame.audio.channels set to: 2
2025/01/02 18:13:20 [frame:4] frame.video.default set to: false
2025/01/02 18:13:20 [frame:4] frame.midi.channels set to: 0
2025/01/02 18:13:20 [frame:4] frame.video.width set to: 1280
2025/01/02 18:13:20 [frame:4] frame.video.height set to: 720
2025/01/02 18:13:20 [frame:4] frame.video.framerate set to: 25
2025/01/02 18:13:20 [frame:4] frame.audio.samplerate set to: 44100
2025/01/02 18:13:20 [frame:3] Using 44100Hz audio, 25Hz video, 44100Hz main.
2025/01/02 18:13:20 [frame:3] Video frame size set to: 1280x720
2025/01/02 18:13:20 [frame:3] Targeting 'frame.duration': 0.02s = 882 ticks.
2025/01/02 18:13:20 [sandbox:3] Could not find binary bwrap, disabling sandboxing.
2025/01/02 18:13:20 [startup:3] FFmpeg filters registration: 0.05s
2025/01/02 18:13:20 [startup:3] FFmpeg bitstream filters registration: 0.00s
2025/01/02 18:13:20 [startup:3] main script hash computation: 0.06s
2025/01/02 18:13:20 [startup:3] main script cache retrieval: 0.06s
2025/01/02 18:13:20 [startup:3] stdlib hash computation: 0.06s
2025/01/02 18:13:20 [startup:3] stdlib cache retrieval: 0.06s
2025/01/02 18:13:20 [startup:3] Typechecking stdlib: 7.56s
2025/01/02 18:13:20 [startup:3] Typechecking main script: 0.01s
2025/01/02 18:13:20 [startup:3] Evaluating main script: 0.11s
2025/01/02 18:13:20 [clock:3] Starting clock generic with 6 source(s) and sync: auto
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock generic.child.child with 3 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive
2025/01/02 18:13:20 [clock:3] Starting clock buffer_0.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2 with 11 source(s) and sync: passive

AzuraCast/AzuraCast#7649 (comment)

@gAlleb
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gAlleb commented Jan 2, 2025

image: savonet/liquidsoap-ci-build:main_alpine_amd64

videostream = video.add_text.ffmpeg(color=0xFFFFFF, font=rtl_font, speed=0, x=340, y=340, size=50, show_text, videostream) - works. not reversed

video_track = ffmpeg.filter.drawtext(fontfile=rtl_font,fontsize="50",x= "340",y="340",fontcolor="white",textfile="/Users/stef/liquidsoap/nowplaying.txt",reload=5,graph,video_track) works. not reversed.

videostream = video.add_text(color=0xFFFFFF, font=rtl_font, speed=0, x=340, y=340, size=50, show_text, videostream) - reversed

@toots
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toots commented Jan 2, 2025

@gAlleb Could you break down with sdl? video.add_text could be any of them so this doesn't help.

I also have experienced some weird issues with copy-paste, I'd recommend doing screenshots.

Here are mine:

Screenshot 2025-01-02 at 10 30 51 AM Screenshot 2025-01-02 at 10 31 15 AM

I also add a new commit to display the SDL version your script is using:

2025/01/02 10:35:33 [sdl:3] Loading SDL version 2.30.8

@gAlleb
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gAlleb commented Jan 2, 2025

Upgraded:

Снимок экрана 2025-01-02 в 20 17 47

@toots
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toots commented Jan 2, 2025

Well dang!

@gAlleb
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gAlleb commented Jan 2, 2025 •
edited
Loading

same goes for videostream = video.add_text.ffmpeg(color=0xFFFFFF, font=rtl_font, speed=0, x=340, y=340, size=50, "מוּסִיקָה", videostream)

on opam build - reversed
on docker build - not reversed

video.add_text.sdl is reversed on both

Latest docker main with sdl 2.30.10:

Снимок экрана 2025-01-02 в 20 38 28

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