https://bugs.freedesktop.org/show_bug.cgi?id=75683
Priority: medium
Bug ID: 75683
Assignee: [email protected]
Summary: SLIDESHOW: LibreOffice: no sound on some "pps" files
Severity: normal
Classification: Unclassified
OS: Linux (All)
Reporter: [email protected]
Hardware: Other
Whiteboard: BSA
Status: UNCONFIRMED
Version: 4.2.0.4 release
Component: Presentation
Product: LibreOffice
INTRODUCTORY NOTES
This bug was originally submitted at the Gstreamer bugzilla under the name
"Bug 725417 - Gstreamer: no sound on some "pps" files", URL:
https://bugzilla.gnome.org/show_bug.cgi?id=725417
After investigation, the Gstreamer personnel concluded that the bug belongs
directly to LibreOffice and should be resubmitted here (i.e., the present Bug
submission).
----------------------------------------------------------------
SYSTEM
(B)LFS system, i686-pc-linux-gnu, kernel-3.13.3
libreoffice-4.2.0.4
Compiled (configured) with the following parameters
./autogen.sh --prefix=/opt/libreoffice-4.2.0.4 \
--sysconfdir=/etc \
--with-vendor="BLFS" --with-lang=en-US --with-help \
--with-alloc=system \
--without-java \
--disable-gconf \
--disable-odk \
--disable-postgresql-sdbc \
--disable-gstreamer-0.10 \
--enable-gstreamer \
--enable-release-build=yes \
--enable-python=system \
--with-system-boost \
--with-system-clucene \
--with-system-cairo \
--with-system-curl \
--with-system-expat \
--with-system-graphite \
--with-system-harfbuzz \
--with-system-icu \
--with-system-jpeg \
--with-system-lcms2 \
--with-system-libpng \
--with-system-libxml \
--with-system-mesa-headers \
--with-system-neon \
--with-system-npapi-headers \
--with-system-nss \
--with-system-openldap \
--with-system-openssl \
--with-system-poppler \
--with-system-redland \
--with-system-zlib \
--with-parallelism=$(getconf _NPROCESSORS_ONLN)
----------------------------------------------------------------
PROBLEM
Two "pps" slide files (created by a third party) both with video/audio:
'watermelons.pps' and 'prague.pps'
Run in LibreOffice (both presenting the video OK):
'prague.pps': sound OK (normal, as expected)
'watermelons.pps': NO sound at all (the PROBLEM)
MY INVESTIGATION
I extracted the audio from the two pps files; both contain sound as "wav".
In playing the respective sound files with MPlayer 1.1-4.7.0
(both sound OK here):
1. 'prague.wav' (of the "good" pps):
libavformat version 54.6.100 (internal)
Audio only file format detected.
Load subtitles in prague/
================================================================
Opening audio decoder: [mpg123] MPEG 1.0/2.0/2.5 layers I, II, III
AUDIO: 16000 Hz, 2 ch, s16le, 48.0 kbit/9.38% (ratio: 6000->64000)
Selected audio codec: [mpg123] afm: mpg123 (MPEG 1.0/2.0/2.5 layers I, II,
III)
================================================================
AO: [oss] 16000Hz 2ch s16le (2 bytes per sample)
Video: no video
Starting playback...
2. 'watermelons.wav' (of the "bad" pps):
libavformat version 54.6.100 (internal)
Audio only file format detected.
Load subtitles in watermel/
=================================================================
Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
libavcodec version 54.23.100 (internal)
AUDIO: 8000 Hz, 2 ch, s16le, 64.9 kbit/25.34% (ratio: 8110->32000)
Selected audio codec: [ffadpcmimawav] afm: ffmpeg (FFmpeg WAV IMA ADPCM audio)
=================================================================
AO: [oss] 8000Hz 2ch s16le (2 bytes per sample)
Video: no video
Starting playback..
----------------------------------------------------------------
For important details regarding the Gstreamer software interaction, please
refer to the above url (Bug 725417).
Thank you,
-- Alex
Operating System: Linux (Other)
Version: 4.2.0.4 release
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