Recording pipeline which works on CMD does not in Python

[dgoiko]

Hello.

I'm writting a python software to record audio+video and only audio
separatedly from a single stream.

When I try the recording audio+video pipeline in CMD, it works just fine:

gst-launch-1.0 -e \
 queue name=queuevid ! videoconvert ! x264enc ! mkv. \
 queue name=queueaud ! audioconvert ! opusenc ! mkv. matroskamux name=mkv \
! filesink location=test.mkv sync=false

However, if I manually create it (or make a pipeline and add the proper
ghostpads) via gst-parselaunch it just starts thew video and freezes in the
first frame. It doesnt record anything, and block the debug view
(autoaudiosink+autovideosink) and the "voice-only" record. Voice-only record
at the same time than debugging works fine.

My main setup is a uridecodebin with appsrc + audio and video tees connected
to it. Those tees are connected to the needed bins (debug + record(audio) +
record(audio/video)

I started by manually creating a bin containing everything the pipeline has
and putting it into my own pipeline, with same proplem, so I went for a more
noobish solution:

def _bin_record_v3(path, nombrebin="bin-grabacion", formato="mkv",
intervalo=600):
    bin_record = Gst.Bin.new(nombrebin)
    pipeline_def = "queue name=queuevid ! videoconvert ! x264enc ! h264parse
! mkv. \
 queue name=queueaud ! audioconvert ! opusenc ! opusparse ! mkv. matroskamux
name=mkv \
! filesink location=test.mkv sync=false"
    pipeline = Gst.parse_launch(pipeline_def)
    colavid = pipeline.get_child_by_name("queuevid")
    ghostpad = Gst.GhostPad.new("video-sink",
colavid.get_static_pad("sink"))
    pipeline.add_pad(ghostpad)
    colaaud = pipeline.get_child_by_name("queueaud")
    ghostpad_aud = Gst.GhostPad.new("audio-sink",
colaaud.get_static_pad("sink"))
    pipeline.add_pad(ghostpad_aud)
    bin_record.add(pipeline)
    ghostpad_vid2 = Gst.GhostPad.new("video-sink",
pipeline.get_static_pad("video-sink"))
    ghostpad_aud2 = Gst.GhostPad.new("audio-sink",
pipeline.get_static_pad("audio-sink"))
    bin_record.add_pad(ghostpad_vid2)
    bin_record.add_pad(ghostpad_aud2)

    return bin_record

PS: My original goal is to use splitmuxsink, but as I had problems too, I
switched to a simpler solution (filesink) in the meantime.
Those are the level 4 debug logs AFTER pausing play. (building of pipe is at
level 3 and gives NO warnings) I can see nothing wrong here, it pauses the
pipe but I dunno why:

0:00:14.412661291 13388 0x7f1628056320 INFO               GST_EVENT
gstevent.c:808:gst_event_new_caps: creating caps event video/x-raw,
format=(string)I420, width=(int)640, height=(int)360,
interlace-mode=(string)progressive, pixel-aspect-ratio=(fraction)1/1,
chroma-site=(string)mpeg2, colorimetry=(string)bt601,
framerate=(fraction)25/1
0:00:14.412702285 13388 0x7f1628056320 INFO        GST_ELEMENT_PADS
gstelement.c:668:gst_element_add_pad:<decodebin0> adding pad 'src_0'
0:00:14.412746372 13388 0x7f1628056320 INFO                GST_PADS
gstpad.c:2315:gst_pad_link_prepare: trying to link decodebin0:src_0 and
src_0:proxypad13
0:00:14.412753845 13388 0x7f1628056320 INFO                GST_PADS
gstpad.c:2523:gst_pad_link_full: linked decodebin0:src_0 and
src_0:proxypad13, successful
0:00:14.412759216 13388 0x7f1628056320 INFO               GST_EVENT
gstevent.c:1511:gst_event_new_reconfigure: creating reconfigure event
0:00:14.412787723 13388 0x7f1628056320 INFO        GST_ELEMENT_PADS
gstelement.c:668:gst_element_add_pad:<uridecodebin0> adding pad 'src_0'
0:00:14.413066791 13388 0x7f1628056320 INFO                GST_PADS
gstpad.c:2315:gst_pad_link_prepare: trying to link uridecodebin0:src_0 and
video-tee:sink
0:00:14.413120882 13388 0x7f1628056320 INFO                 x264enc
gstx264enc.c:561:gst_x264_enc_add_x264_chroma_format: This x264 build
supports 8-bit depth
0:00:14.413173308 13388 0x7f1628056320 INFO                 x264enc
gstx264enc.c:561:gst_x264_enc_add_x264_chroma_format: This x264 build
supports 8-bit depth
0:00:14.413293294 13388 0x7f1628056320 INFO                GST_PADS
gstpad.c:2523:gst_pad_link_full: linked uridecodebin0:src_0 and
video-tee:sink, successful
0:00:14.413299523 13388 0x7f1628056320 INFO               GST_EVENT
gstevent.c:1511:gst_event_new_reconfigure: creating reconfigure event
0:00:14.413332214 13388 0x7f1628056320 INFO               decodebin
gstdecodebin2.c:4691:gst_decode_bin_expose:<decodebin0:src_0> added new
decoded pad
0:00:14.413339993 13388 0x7f1628056320 INFO        GST_ELEMENT_PADS
gstelement.c:668:gst_element_add_pad:<decodebin0> adding pad 'src_1'
0:00:14.413364851 13388 0x7f1628056320 INFO                GST_PADS
gstpad.c:2315:gst_pad_link_prepare: trying to link decodebin0:src_1 and
src_1:proxypad14
0:00:14.413370484 13388 0x7f1628056320 INFO                GST_PADS
gstpad.c:2523:gst_pad_link_full: linked decodebin0:src_1 and
src_1:proxypad14, successful
0:00:14.413374776 13388 0x7f1628056320 INFO               GST_EVENT
gstevent.c:1511:gst_event_new_reconfigure: creating reconfigure event
0:00:14.413395829 13388 0x7f1628056320 INFO        GST_ELEMENT_PADS
gstelement.c:668:gst_element_add_pad:<uridecodebin0> adding pad 'src_1'
0:00:14.413428350 13388 0x7f1628056320 INFO                GST_PADS
gstpad.c:2315:gst_pad_link_prepare: trying to link uridecodebin0:src_1 and
audio-tee:sink
0:00:14.475106553 13388 0x7f1628056320 INFO               structure
gststructure.c:3051:gst_structure_get_valist: Expected field 'channel-mask'
in structure: audio/x-raw, layout=(string)interleaved, rate=(int)48000,
channels=(int)1;
0:00:14.475127318 13388 0x7f1628056320 INFO               structure
gststructure.c:3051:gst_structure_get_valist: Expected field 'channel-mask'
in structure: audio/x-raw, layout=(string)interleaved, rate=(int){ 8000,
12000, 16000, 24000 }, channels=(int)1;
0:00:14.475473811 13388 0x7f1628056320 INFO               structure
gststructure.c:3051:gst_structure_get_valist: Expected field 'channel-mask'
in structure: audio/x-raw, layout=(string)interleaved, rate=(int)[ 1, 655350
], channels=(int)1;
0:00:14.476062646 13388 0x7f1628056320 INFO                GST_PADS
gstpad.c:2523:gst_pad_link_full: linked uridecodebin0:src_1 and
audio-tee:sink, successful
0:00:14.476071103 13388 0x7f1628056320 INFO               GST_EVENT
gstevent.c:1511:gst_event_new_reconfigure: creating reconfigure event
0:00:14.476123703 13388 0x7f1628056320 INFO               decodebin
gstdecodebin2.c:4691:gst_decode_bin_expose:<decodebin0:src_1> added new
decoded pad
0:00:14.476154301 13388 0x7f1628056320 INFO              GST_STATES
gstbin.c:3441:bin_handle_async_done:<decodebin0> committing state from READY
to PAUSED, old pending PAUSED
0:00:14.476160143 13388 0x7f1628056320 INFO              GST_STATES
gstbin.c:3461:bin_handle_async_done:<decodebin0> completed state change,
pending VOID
0:00:14.476163142 13388 0x7f1628056320 INFO              GST_STATES
gstelement.c:2324:_priv_gst_element_state_changed:<decodebin0> notifying
about state-changed READY to PAUSED (VOID_PENDING pending)
0:00:14.476173099 13388 0x7f1628056320 INFO              GST_STATES
gstbin.c:3441:bin_handle_async_done:<uridecodebin0> committing state from
READY to PAUSED, old pending PAUSED
0:00:14.476177031 13388 0x7f1628056320 INFO              GST_STATES
gstbin.c:3461:bin_handle_async_done:<uridecodebin0> completed state change,
pending VOID
0:00:14.476179669 13388 0x7f1628056320 INFO              GST_STATES
gstelement.c:2324:_priv_gst_element_state_changed:<uridecodebin0> notifying
about state-changed READY to PAUSED (VOID_PENDING pending)
0:00:14.476662925 13388 0x7f167046f0a0 INFO                 x264enc
gstx264enc.c:561:gst_x264_enc_add_x264_chroma_format: This x264 build
supports 8-bit depth
0:00:14.476713635 13388 0x7f167046f0a0 INFO                 x264enc
gstx264enc.c:561:gst_x264_enc_add_x264_chroma_format: This x264 build
supports 8-bit depth
0:00:14.476795599 13388 0x7f167046f0a0 INFO                 x264enc
gstx264enc.c:561:gst_x264_enc_add_x264_chroma_format: This x264 build
supports 8-bit depth
0:00:14.476869378 13388 0x7f167046f0a0 INFO           basetransform
gstbasetransform.c:1370:gst_base_transform_setcaps:<videoconvert0> reuse
caps
0:00:14.476911799 13388 0x7f167046f0a0 INFO               GST_EVENT
gstevent.c:808:gst_event_new_caps: creating caps event video/x-raw,
format=(string)I420, width=(int)640, height=(int)360,
interlace-mode=(string)progressive, pixel-aspect-ratio=(fraction)1/1,
chroma-site=(string)mpeg2, colorimetry=(string)bt601,
framerate=(fraction)25/1
0:00:14.476941307 13388 0x7f167046f0a0 INFO                 x264enc
gstx264enc.c:561:gst_x264_enc_add_x264_chroma_format: This x264 build
supports 8-bit depth
0:00:14.477077513 13388 0x7f167046f0a0 INFO                 x264enc
:0::<x264enc0> using SAR=1/1

0:00:14.477290236 13388 0x7f167046f0f0 INFO         audio-converter
audio-converter.c:941:gst_audio_converter_new: unitsizes: 8 -> 4
0:00:14.477299922 13388 0x7f167046f0f0 INFO         audio-converter
audio-converter.c:599:chain_unpack: unpack format F32LE to F64LE
0:00:14.477315776 13388 0x7f167046f0f0 INFO         audio-converter
audio-converter.c:656:chain_mix: mix format F64LE, passthrough 1,
in_channels 2, out_channels 2
0:00:14.477320680 13388 0x7f167046f0f0 INFO         audio-converter
audio-converter.c:717:chain_convert_out: convert F64 to S32
0:00:14.477324949 13388 0x7f167046f0f0 INFO         audio-converter
audio-converter.c:743:chain_quantize: depth in 32, out 16
0:00:14.477328080 13388 0x7f167046f0f0 INFO         audio-converter
audio-converter.c:757:chain_quantize: using dither 2 and noise shaping 0
0:00:14.477331339 13388 0x7f167046f0f0 INFO         audio-converter
audio-converter.c:767:chain_quantize: quantize to 16 bits, dither 2, ns 0
0:00:14.477334873 13388 0x7f167046f0f0 INFO         audio-converter
audio-converter.c:790:chain_pack: pack format S32LE to S16LE
0:00:14.477338824 13388 0x7f167046f0f0 INFO               GST_EVENT
gstevent.c:808:gst_event_new_caps: creating caps event audio/x-raw,
rate=(int)48000, channels=(int)2, format=(string)S16LE,
layout=(string)interleaved, channel-mask=(bitmask)0x0000000000000003
0:00:14.477556104 13388 0x7f167046f0f0 INFO            audioencoder
gstaudioencoder.c:1662:gst_audio_encoder_sink_event_default:<opusenc0>
upstream stream tags: taglist;
0:00:14.477589875 13388 0x7f167046f0f0 INFO            audioencoder
gstaudioencoder.c:1662:gst_audio_encoder_sink_event_default:<opusenc0>
upstream stream tags: taglist;
0:00:14.477638385 13388 0x7f167046f0f0 INFO            audioconvert
gstaudioconvert.c:224:gst_audio_convert_get_unit_size:<audioconvert0>
unit_size = 8
0:00:14.477644778 13388 0x7f167046f0f0 INFO            audioconvert
gstaudioconvert.c:224:gst_audio_convert_get_unit_size:<audioconvert0>
unit_size = 4
0:00:14.477697031 13388 0x7f167046f0a0 INFO                 x264enc
:0::<x264enc0> using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3
AVX2 LZCNT BMI2

0:00:14.477706266 13388 0x7f167043a320 INFO         audio-converter
audio-converter.c:941:gst_audio_converter_new: unitsizes: 8 -> 6
0:00:14.477716155 13388 0x7f167043a320 INFO         audio-converter
audio-converter.c:599:chain_unpack: unpack format F32LE to F64LE
0:00:14.477728334 13388 0x7f167043a320 INFO         audio-converter
audio-converter.c:656:chain_mix: mix format F64LE, passthrough 1,
in_channels 2, out_channels 2
0:00:14.477732816 13388 0x7f167043a320 INFO         audio-converter
audio-converter.c:717:chain_convert_out: convert F64 to S32
0:00:14.477736926 13388 0x7f167043a320 INFO         audio-converter
audio-converter.c:743:chain_quantize: depth in 32, out 24
0:00:14.477740185 13388 0x7f167043a320 INFO         audio-converter
audio-converter.c:755:chain_quantize: using no dither and noise shaping
0:00:14.477742630 13388 0x7f167043a320 INFO         audio-converter
audio-converter.c:767:chain_quantize: quantize to 24 bits, dither 0, ns 0
0:00:14.477746144 13388 0x7f167043a320 INFO         audio-converter
audio-converter.c:790:chain_pack: pack format S32LE to S24LE
0:00:14.477749844 13388 0x7f167043a320 INFO               GST_EVENT
gstevent.c:808:gst_event_new_caps: creating caps event audio/x-raw,
rate=(int)48000, channels=(int)2, format=(string)S24LE,
layout=(string)interleaved, channel-mask=(bitmask)0x0000000000000003
0:00:14.477789236 13388 0x7f167043a320 INFO            audioencoder
gstaudioencoder.c:1662:gst_audio_encoder_sink_event_default:<flacenc0>
upstream stream tags: taglist;
0:00:14.477799254 13388 0x7f167043a320 INFO            audioencoder
gstaudioencoder.c:1662:gst_audio_encoder_sink_event_default:<flacenc0>
upstream stream tags: taglist;
0:00:14.478147331 13388 0x7f1628056320 INFO           basetransform
gstbasetransform.c:1370:gst_base_transform_setcaps:<capsfilter0> reuse caps
0:00:14.478260482 13388 0x7f167043a320 INFO            audioconvert
gstaudioconvert.c:224:gst_audio_convert_get_unit_size:<converter-audio-transcripcion>
unit_size = 8
0:00:14.478267839 13388 0x7f167043a320 INFO            audioconvert
gstaudioconvert.c:224:gst_audio_convert_get_unit_size:<converter-audio-transcripcion>
unit_size = 6
0:00:14.478744921 13388 0x7f167046f0f0 INFO                 opusenc
gstopusenc.c:529:gst_opus_enc_setup_channel_mappings:<opusenc0> Stereo,
trivial RTP mapping
0:00:14.478751378 13388 0x7f167046f0f0 INFO                 opusenc
gstopusenc.c:702:gst_opus_enc_setup:<opusenc0> Mapping tables built: 2
channels, 1 stereo streams
0:00:14.478757482 13388 0x7f167046f0f0 INFO                 opusenc
gstopuscommon.c:109:gst_opus_common_log_channel_mapping_table:<opusenc0>
Encoding mapping table: [ 0 1 ]
0:00:14.478761862 13388 0x7f167046f0f0 INFO                 opusenc
gstopuscommon.c:109:gst_opus_common_log_channel_mapping_table:<opusenc0>
Decoding mapping table: [ 0 1 ]
0:00:14.478849834 13388 0x7f167046f0f0 INFO               GST_EVENT
gstevent.c:808:gst_event_new_caps: creating caps event audio/x-opus,
rate=(int)48000, channels=(int)2, channel-mapping-family=(int)0,
stream-count=(int)1, coupled-count=(int)1, streamheader=(buffer)<
4f707573486561640102380180bb0000000000,
4f707573546167731e000000456e636f6465642077697468204753747265616d6572206f707573656e630000000001
>
0:00:14.479034855 13388 0x7f167043a320 WARN                 flacenc
gstflacenc.c:694:gst_flac_enc_set_metadata:<flacenc0> total time unknown;
can not add seekpoints
0:00:14.479162149 13388 0x7f167046f0f0 INFO               baseparse
gstbaseparse.c:4767:gst_base_parse_set_upstream_tags:<opusparse0> upstream
tags: taglist, bitrate=(uint)64000;
0:00:14.479260902 13388 0x7f167046f0f0 INFO               GST_EVENT
gstevent.c:808:gst_event_new_caps: creating caps event audio/x-opus,
rate=(int)48000, channels=(int)2, channel-mapping-family=(int)0,
stream-count=(int)1, coupled-count=(int)1, streamheader=(buffer)<
4f707573486561640102380180bb0000000000,
4f707573546167731f0000004753747265616d657220656e636f64656420766f72626973636f6d6d656e740000000001
>
0:00:14.479805244 13388 0x7f167046f140 INFO                   pulse
pulsesink.c:968:gst_pulseringbuffer_acquire:<autoaudiosink0-actual-sink-pulse>
tlength:   76800
0:00:14.480503465 13388 0x7f167046f140 INFO                   pulse
pulsesink.c:969:gst_pulseringbuffer_acquire:<autoaudiosink0-actual-sink-pulse>
maxlength: -1
0:00:14.480510113 13388 0x7f167046f140 INFO                   pulse
pulsesink.c:970:gst_pulseringbuffer_acquire:<autoaudiosink0-actual-sink-pulse>
prebuf:    0
0:00:14.480513186 13388 0x7f167046f140 INFO                   pulse
pulsesink.c:971:gst_pulseringbuffer_acquire:<autoaudiosink0-actual-sink-pulse>
minreq:    3840
0:00:14.480922733 13388 0x7f162805bcf0 INFO            audiodecoder
gstaudiodecoder.c:2320:gst_audio_decoder_sink_eventfunc:<avdec_aac0>
upstream stream tags: taglist, audio-codec=(string)"MPEG-4\ AAC",
minimum-bitrate=(uint)60375, maximum-bitrate=(uint)60375,
bitrate=(uint)61650;
0:00:14.481231545 13388 0x7f162805bcf0 INFO            audiodecoder
gstaudiodecoder.c:2320:gst_audio_decoder_sink_eventfunc:<avdec_aac0>
upstream stream tags: taglist, audio-codec=(string)"MPEG-4\ AAC",
minimum-bitrate=(uint)58500, maximum-bitrate=(uint)60375,
bitrate=(uint)61363;
0:00:14.481338568 13388 0x7f162805bcf0 INFO            audiodecoder
gstaudiodecoder.c:2320:gst_audio_decoder_sink_eventfunc:<avdec_aac0>
upstream stream tags: taglist, audio-codec=(string)"MPEG-4\ AAC",
minimum-bitrate=(uint)57000, maximum-bitrate=(uint)60375,
bitrate=(uint)61000;
0:00:14.481887230 13388 0x7f167043a320 INFO                 flacenc
gstflacenc.c:1147:gst_flac_enc_write_callback:<flacenc0> Non-header packet,
we have all headers now
0:00:14.481913160 13388 0x7f167043a320 INFO               GST_EVENT
gstevent.c:808:gst_event_new_caps: creating caps event audio/x-flac,
channels=(int)2, rate=(int)48000, streamheader=(buffer)<
7f464c414301000002664c614300000022120012000000000000000bb803700000000000000000000000000000000000000000,
84000028200000007265666572656e6365206c6962464c414320312e332e3220323031373031303100000000
>
0:00:14.481941079 13388 0x7f162805bcf0 INFO            audiodecoder
gstaudiodecoder.c:2320:gst_audio_decoder_sink_eventfunc:<avdec_aac0>
upstream stream tags: taglist, audio-codec=(string)"MPEG-4\ AAC",
minimum-bitrate=(uint)57000, maximum-bitrate=(uint)61500,
bitrate=(uint)61038;
0:00:14.481985699 13388 0x7f167043a320 INFO              GST_STATES
gstbin.c:3441:bin_handle_async_done:<bin-transcrpcion> committing state from
READY to PAUSED, old pending PAUSED
0:00:14.481992628 13388 0x7f167043a320 INFO              GST_STATES
gstbin.c:3461:bin_handle_async_done:<bin-transcrpcion> completed state
change, pending VOID
0:00:14.481996372 13388 0x7f167043a320 INFO              GST_STATES
gstelement.c:2324:_priv_gst_element_state_changed:<bin-transcrpcion>
notifying about state-changed READY to PAUSED (VOID_PENDING pending)
0:00:14.482178570 13388 0x7f162805bcf0 INFO            audiodecoder
gstaudiodecoder.c:2320:gst_audio_decoder_sink_eventfunc:<avdec_aac0>
upstream stream tags: taglist, audio-codec=(string)"MPEG-4\ AAC",
minimum-bitrate=(uint)57000, maximum-bitrate=(uint)62250,
bitrate=(uint)61125;
0:00:14.482424340 13388 0x7f162805bcf0 INFO            audiodecoder
gstaudiodecoder.c:2320:gst_audio_decoder_sink_eventfunc:<avdec_aac0>
upstream stream tags: taglist, audio-codec=(string)"MPEG-4\ AAC",
minimum-bitrate=(uint)54375, maximum-bitrate=(uint)62250,
bitrate=(uint)60675;
0:00:14.482631728 13388 0x7f162805bcf0 INFO            audiodecoder
gstaudiodecoder.c:2320:gst_audio_decoder_sink_eventfunc:<avdec_aac0>
upstream stream tags: taglist, audio-codec=(string)"MPEG-4\ AAC",
minimum-bitrate=(uint)53250, maximum-bitrate=(uint)62250,
bitrate=(uint)60044;
0:00:14.482783698 13388 0x7f162805bcf0 INFO            audiodecoder
gstaudiodecoder.c:2320:gst_audio_decoder_sink_eventfunc:<avdec_aac0>
upstream stream tags: taglist, audio-codec=(string)"MPEG-4\ AAC",
minimum-bitrate=(uint)53250, maximum-bitrate=(uint)64875,
bitrate=(uint)60276;
0:00:14.483799546 13388 0x7f162805bcf0 INFO            audiodecoder
gstaudiodecoder.c:2320:gst_audio_decoder_sink_eventfunc:<avdec_aac0>
upstream stream tags: taglist, audio-codec=(string)"MPEG-4\ AAC",
minimum-bitrate=(uint)53250, maximum-bitrate=(uint)65250,
bitrate=(uint)60323;
0:00:14.483921548 13388 0x7f162805bcf0 INFO            audiodecoder
gstaudiodecoder.c:2320:gst_audio_decoder_sink_eventfunc:<avdec_aac0>
upstream stream tags: taglist, audio-codec=(string)"MPEG-4\ AAC",
minimum-bitrate=(uint)53250, maximum-bitrate=(uint)67125,
bitrate=(uint)60437;
0:00:14.484028463 13388 0x7f162805bcf0 INFO            audiodecoder
gstaudiodecoder.c:2320:gst_audio_decoder_sink_eventfunc:<avdec_aac0>
upstream stream tags: taglist, audio-codec=(string)"MPEG-4\ AAC",
minimum-bitrate=(uint)53250, maximum-bitrate=(uint)71250,
bitrate=(uint)60865;
0:00:14.484380255 13388 0x7f162805bcf0 INFO            audiodecoder
gstaudiodecoder.c:2320:gst_audio_decoder_sink_eventfunc:<avdec_aac0>
upstream stream tags: taglist, audio-codec=(string)"MPEG-4\ AAC",
minimum-bitrate=(uint)53250, maximum-bitrate=(uint)71625,
bitrate=(uint)61263;
0:00:14.484457452 13388 0x7f162805bcf0 INFO            audiodecoder
gstaudiodecoder.c:2320:gst_audio_decoder_sink_eventfunc:<avdec_aac0>
upstream stream tags: taglist, audio-codec=(string)"MPEG-4\ AAC",
minimum-bitrate=(uint)53250, maximum-bitrate=(uint)86250,
bitrate=(uint)62156;
0:00:14.484521115 13388 0x7f162805bcf0 INFO            audiodecoder
gstaudiodecoder.c:2320:gst_audio_decoder_sink_eventfunc:<avdec_aac0>
upstream stream tags: taglist, audio-codec=(string)"MPEG-4\ AAC",
minimum-bitrate=(uint)53250, maximum-bitrate=(uint)92250,
bitrate=(uint)63193;
0:00:14.485454237 13388 0x7f162805bcf0 INFO            audiodecoder
gstaudiodecoder.c:2320:gst_audio_decoder_sink_eventfunc:<avdec_aac0>
upstream stream tags: taglist, audio-codec=(string)"MPEG-4\ AAC",
minimum-bitrate=(uint)53250, maximum-bitrate=(uint)92250,
bitrate=(uint)64605;
0:00:14.486422067 13388 0x7f167046f0a0 INFO                 x264enc
:0::<x264enc0> profile High, level 3.0

0:00:14.486419701 13388 0x7f1628056320 INFO            videodecoder
gstvideodecoder.c:1342:gst_video_decoder_sink_event_default:<avdec_h264-0>
upstream tags: taglist, video-codec=(string)"H.264\ \(Constrained\ Baseline\
Profile\)", minimum-bitrate=(uint)116800, maximum-bitrate=(uint)116800,
bitrate=(uint)352180;
0:00:14.486648101 13388 0x7f167046f0a0 INFO                 x264enc
gstx264enc.c:1992:gst_x264_enc_set_latency:<x264enc0> Updating latency to
0:00:01.960000000 (49 frames)
0:00:14.486716629 13388 0x7f167046f0a0 INFO            videoencoder
gstvideoencoder.c:1089:gst_video_encoder_sink_event_default:<x264enc0>
upstream tags: taglist;
0:00:14.486729122 13388 0x7f167046f0a0 INFO            videoencoder
gstvideoencoder.c:1089:gst_video_encoder_sink_event_default:<x264enc0>
upstream tags: taglist;
0:00:14.487702656 13388 0x7f167046f050 INFO              GST_STATES
gstbin.c:3441:bin_handle_async_done:<autovideosink0> committing state from
READY to PAUSED, old pending PAUSED
0:00:14.487722544 13388 0x7f167046f050 INFO              GST_STATES
gstbin.c:3461:bin_handle_async_done:<autovideosink0> completed state change,
pending VOID
0:00:14.487728766 13388 0x7f167046f050 INFO              GST_STATES
gstelement.c:2324:_priv_gst_element_state_changed:<autovideosink0> notifying
about state-changed READY to PAUSED (VOID_PENDING pending)
0:00:14.488667979 13388 0x7f1628056320 INFO            videodecoder
gstvideodecoder.c:1342:gst_video_decoder_sink_event_default:<avdec_h264-0>
upstream tags: taglist, video-codec=(string)"H.264\ \(Constrained\ Baseline\
Profile\)", minimum-bitrate=(uint)116800, maximum-bitrate=(uint)119600,
bitrate=(uint)331036;
0:00:14.489393272 13388 0x7f1628056320 INFO            videodecoder
gstvideodecoder.c:1342:gst_video_decoder_sink_event_default:<avdec_h264-0>
upstream tags: taglist, video-codec=(string)"H.264\ \(Constrained\ Baseline\
Profile\)", minimum-bitrate=(uint)110000, maximum-bitrate=(uint)119600,
bitrate=(uint)312616;
0:00:14.491801960 13388 0x7f1628056320 INFO            videodecoder
gstvideodecoder.c:1342:gst_video_decoder_sink_event_default:<avdec_h264-0>
upstream tags: taglist, video-codec=(string)"H.264\ \(Constrained\ Baseline\
Profile\)", minimum-bitrate=(uint)110000, maximum-bitrate=(uint)135000,
bitrate=(uint)298953;
0:00:14.492428903 13388 0x7f1628056320 INFO            videodecoder
gstvideodecoder.c:1342:gst_video_decoder_sink_event_default:<avdec_h264-0>
upstream tags: taglist, video-codec=(string)"H.264\ \(Constrained\ Baseline\
Profile\)", minimum-bitrate=(uint)110000, maximum-bitrate=(uint)176400,
bitrate=(uint)290200;
0:00:14.492858833 13388 0x7f1628056320 INFO            videodecoder
gstvideodecoder.c:1342:gst_video_decoder_sink_event_default:<avdec_h264-0>
upstream tags: taglist, video-codec=(string)"H.264\ \(Constrained\ Baseline\
Profile\)", minimum-bitrate=(uint)110000, maximum-bitrate=(uint)184000,
bitrate=(uint)283120;
0:00:14.493019177 13388 0x7f167046f0a0 INFO            videoencoder
gstvideoencoder.c:1089:gst_video_encoder_sink_event_default:<x264enc0>
upstream tags: taglist;
0:00:14.493277554 13388 0x7f1628056320 INFO            videodecoder
gstvideodecoder.c:1342:gst_video_decoder_sink_event_default:<avdec_h264-0>
upstream tags: taglist, video-codec=(string)"H.264\ \(Constrained\ Baseline\
Profile\)", minimum-bitrate=(uint)110000, maximum-bitrate=(uint)218400,
bitrate=(uint)279075;
0:00:14.493679994 13388 0x7f167046f0a0 INFO            videoencoder
gstvideoencoder.c:1089:gst_video_encoder_sink_event_default:<x264enc0>
upstream tags: taglist;
0:00:14.494335504 13388 0x7f1628056320 INFO            videodecoder
gstvideodecoder.c:1342:gst_video_decoder_sink_event_default:<avdec_h264-0>
upstream tags: taglist, video-codec=(string)"H.264\ \(Constrained\ Baseline\
Profile\)", minimum-bitrate=(uint)110000, maximum-bitrate=(uint)267200,
bitrate=(uint)278376;
0:00:14.494360598 13388 0x7f167046f0a0 INFO            videoencoder
gstvideoencoder.c:1089:gst_video_encoder_sink_event_default:<x264enc0>
upstream tags: taglist;
0:00:14.494803732 13388 0x7f1628056320 INFO            videodecoder
gstvideodecoder.c:1342:gst_video_decoder_sink_event_default:<avdec_h264-0>
upstream tags: taglist, video-codec=(string)"H.264\ \(Constrained\ Baseline\
Profile\)", minimum-bitrate=(uint)110000, maximum-bitrate=(uint)271200,
bitrate=(uint)277977;
0:00:14.494997341 13388 0x7f167046f0a0 INFO            videoencoder
gstvideoencoder.c:1089:gst_video_encoder_sink_event_default:<x264enc0>
upstream tags: taglist;
0:00:14.495723435 13388 0x7f167046f0a0 INFO            videoencoder
gstvideoencoder.c:1089:gst_video_encoder_sink_event_default:<x264enc0>
upstream tags: taglist;
0:00:14.496042177 13388 0x7f1628056320 INFO            videodecoder
gstvideodecoder.c:1342:gst_video_decoder_sink_event_default:<avdec_h264-0>
upstream tags: taglist, video-codec=(string)"H.264\ \(Constrained\ Baseline\
Profile\)", minimum-bitrate=(uint)110000, maximum-bitrate=(uint)292800,
bitrate=(uint)277910;
0:00:14.496344349 13388 0x7f1628056320 INFO            videodecoder
gstvideodecoder.c:1342:gst_video_decoder_sink_event_default:<avdec_h264-0>
upstream tags: taglist, video-codec=(string)"H.264\ \(Constrained\ Baseline\
Profile\)", minimum-bitrate=(uint)110000, maximum-bitrate=(uint)308400,
bitrate=(uint)279361;
0:00:14.496360127 13388 0x7f167046f0a0 INFO            videoencoder
gstvideoencoder.c:1089:gst_video_encoder_sink_event_default:<x264enc0>
upstream tags: taglist;
0:00:14.496940153 13388 0x7f167046f0a0 INFO            videoencoder
gstvideoencoder.c:1089:gst_video_encoder_sink_event_default:<x264enc0>
upstream tags: taglist;
0:00:14.497936868 13388 0x7f167046f0a0 INFO            videoencoder
gstvideoencoder.c:1089:gst_video_encoder_sink_event_default:<x264enc0>
upstream tags: taglist;
0:00:14.498510701 13388 0x7f167046f0a0 INFO            videoencoder
gstvideoencoder.c:1089:gst_video_encoder_sink_event_default:<x264enc0>
upstream tags: taglist;
0:00:14.499751807 13388 0x7f167046f0a0 INFO            videoencoder
gstvideoencoder.c:1089:gst_video_encoder_sink_event_default:<x264enc0>
upstream tags: taglist;
0:00:14.504633387 13388 0x7f167046f0a0 INFO            videoencoder
gstvideoencoder.c:1089:gst_video_encoder_sink_event_default:<x264enc0>
upstream tags: taglist;
0:00:14.506299352 13388 0x7f1628056320 INFO            videodecoder
gstvideodecoder.c:1342:gst_video_decoder_sink_event_default:<avdec_h264-0>
upstream tags: taglist, video-codec=(string)"H.264\ \(Constrained\ Baseline\
Profile\)", minimum-bitrate=(uint)110000, maximum-bitrate=(uint)308400,
bitrate=(uint)273214;
0:00:14.507271685 13388 0x7f1628056320 INFO            videodecoder
gstvideodecoder.c:1342:gst_video_decoder_sink_event_default:<avdec_h264-0>
upstream tags: taglist, video-codec=(string)"H.264\ \(Constrained\ Baseline\
Profile\)", minimum-bitrate=(uint)110000, maximum-bitrate=(uint)308400,
bitrate=(uint)266520;
0:00:14.538627875 13388 0x7f167046f140 INFO                   pulse
pulsesink.c:1021:gst_pulseringbuffer_acquire:<autoaudiosink0-actual-sink-pulse>
negotiated to: pcm, format.sample_format = "\"float32le\""  format.channels
= "2"  format.rate = "48000"  format.channel_map =
"\"front-left,front-right\""
0:00:14.538644673 13388 0x7f167046f140 INFO                   pulse
pulsesink.c:1034:gst_pulseringbuffer_acquire:<autoaudiosink0-actual-sink-pulse>
tlength:   42240 (wanted: 76800)
0:00:14.538649277 13388 0x7f167046f140 INFO                   pulse
pulsesink.c:1035:gst_pulseringbuffer_acquire:<autoaudiosink0-actual-sink-pulse>
maxlength: 4194304
0:00:14.538652787 13388 0x7f167046f140 INFO                   pulse
pulsesink.c:1036:gst_pulseringbuffer_acquire:<autoaudiosink0-actual-sink-pulse>
prebuf:    0
0:00:14.538655681 13388 0x7f167046f140 INFO                   pulse
pulsesink.c:1038:gst_pulseringbuffer_acquire:<autoaudiosink0-actual-sink-pulse>
minreq:    3840 (wanted 3840)
0:00:14.538675242 13388 0x7f167046f140 INFO              ringbuffer
gstaudioringbuffer.c:581:gst_audio_ring_buffer_acquire:<pulseringbuffer0>
Allocating an array for 11 timestamps
0:00:14.538930187 13388 0x7f167046f140 INFO              GST_STATES
gstbin.c:3441:bin_handle_async_done:<autoaudiosink0> committing state from
READY to PAUSED, old pending PAUSED
0:00:14.538938728 13388 0x7f167046f140 INFO              GST_STATES
gstbin.c:3461:bin_handle_async_done:<autoaudiosink0> completed state change,
pending VOID
0:00:14.538942212 13388 0x7f167046f140 INFO              GST_STATES
gstelement.c:2324:_priv_gst_element_state_changed:<autoaudiosink0> notifying
about state-changed READY to PAUSED (VOID_PENDING pending)
0:00:14.538951777 13388 0x7f167046f140 INFO              GST_STATES
gstbin.c:3441:bin_handle_async_done:<bin-stdout> committing state from READY
to PAUSED, old pending PAUSED
0:00:14.538956026 13388 0x7f167046f140 INFO              GST_STATES
gstbin.c:3461:bin_handle_async_done:<bin-stdout> completed state change,
pending VOID
0:00:14.538958909 13388 0x7f167046f140 INFO              GST_STATES
gstelement.c:2324:_priv_gst_element_state_changed:<bin-stdout> notifying
about state-changed READY to PAUSED (VOID_PENDING pending)
0:00:24.037819445 13388 0x7f167043a280 WARN             xvimagesink
xvimagesink.c:555:gst_xv_image_sink_handle_xevents:<autovideosink0-actual-sink-xvimage>
error: Output window was closed
0:00:24.037856363 13388 0x7f167043a280 INFO        GST_ERROR_SYSTEM
gstelement.c:1890:gst_element_message_full_with_details:<autovideosink0-actual-sink-xvimage>
posting message: Output window was closed
0:00:24.037880572 13388 0x7f167043a280 INFO        GST_ERROR_SYSTEM
gstelement.c:1917:gst_element_message_full_with_details:<autovideosink0-actual-sink-xvimage>
posted error message: Output window was closed



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[dgoiko]

This is the bin that actually works to display video/audio on screen for
debugging purposes:

def _bin_stdout(nombrebin="bin-stdout", ignorar_video=False):
    bin_autosink = Gst.Bin.new(nombrebin)
    if not ignorar_video:
        cola = Gst.ElementFactory.make("queue", "cola-video-debug")
        bin_autosink.add(cola)
        ghostpad_video = Gst.GhostPad.new("video-sink",
cola.get_static_pad("sink"))
        bin_autosink.add_pad(ghostpad_video)
        videosink = Gst.ElementFactory.make("autovideosink")
        bin_autosink.add(videosink)
        cola.link(videosink)
    cola2 = Gst.ElementFactory.make("queue", "cola-audio-debug")
    bin_autosink.add(cola2)
    ghostpad_audio = Gst.GhostPad.new("audio-sink",
cola2.get_static_pad("sink"))
    bin_autosink.add_pad(ghostpad_audio)
    audiosink = Gst.ElementFactory.make("autoaudiosink")
    bin_autosink.add(audiosink)
    cola2.link(audiosink)
    return bin_autosink

It's made in the same way than the others, so I guess the problem is within
BIN  creation, and not with the envelope. It's very similar to the playbin
python
tutorial:https://brettviren.github.io/pygst-tutorial-org/pygst-tutorial.pdf,
just using uridecodebin (pads are added properly!)


THIS manually created bin doesnt work either:

def _bin_record_v2(path, nombrebin="bin-grabacion", formato="mkv",
intervalo=600):
    bin_record = Gst.Bin.new(nombrebin)
    nanosegundos = intervalo * 1000000000  # Convertir los segundos en
nanosegs
    # Creamos y preparamos el splitmuxsink.
    # TODO: Lo ideal seria streamearlo direco a otro Gstreamer con
recepción, y que este lo grabe con tranquilidad en el disco duro.
    #splitmuxsink = Gst.ElementFactory.make("splitmuxsink",
"splitmuxsink-grabacion")
    splitmuxsink = Gst.ElementFactory.make("filesink",
"splitmuxsink-grabacion")
    #splitmuxsink.set_property('max-size-time', nanosegundos)
    extension_file = "mkv"
    encoder_video = Gst.ElementFactory.make("x264enc")
    encoder_audio = Gst.ElementFactory.make("opusenc")
    muxer = Gst.ElementFactory.make("matroskamux")
    splitmuxsink.set_property('location', path + "." + extension_file)
    # Añadir el encoder al bin
    if encoder_video is not None:
        cola_video = Gst.ElementFactory.make("queue",
"cola-video-grabacion")
        bin_record.add(cola_video)
        ghostpad_video = Gst.GhostPad.new("video-sink",
cola_video.get_static_pad("sink"))
        bin_record.add_pad(ghostpad_video)
        videoconvert = Gst.ElementFactory.make("videoconvert",
"converter-video-grabacion")
        bin_record.add(videoconvert)
        cola_video.link(videoconvert)
        bin_record.add(encoder_video)
        videoconvert.link(encoder_video)
    if encoder_audio is not None:
        cola_audio = Gst.ElementFactory.make("queue",
"cola-audio-grabacion")
        bin_record.add(cola_audio)
        ghostpad_audio = Gst.GhostPad.new("audio-sink",
cola_audio.get_static_pad("sink"))
        bin_record.add_pad(ghostpad_audio)
        audioconvert = Gst.ElementFactory.make("audioconvert",
"converter-audio-grabacion")
        bin_record.add(audioconvert)
        cola_audio.link(audioconvert)
        bin_record.add(encoder_audio)
        audioconvert.link(encoder_audio)





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