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IRIX Base Documentation 2001 May
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SGI IRIX Base Documentation 2001 May.iso
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relnotes
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dmedia_eoe
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ch17.z
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2001-04-17
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17. _M_e_d_i_a__P_l_a_y_e_r__T_o_o_l
MediaPlayer (invoked from the command line as _m_e_d_i_a_p_l_a_y_e_r)
is a graphical tool that allows you to play back movie or
sound files. Movie files can be created using MovieMaker,
MediaConvert, _d_m_c_o_n_v_e_r_t(_1), or MediaRecorder (see below).
Sound files may be created by the above tools, SoundEditor
or SoundTrack (multiple track sound editor).
See the man page _m_e_d_i_a_p_l_a_y_e_r(1) or MediaPlayer's on-line
help for more information.
The directory /_u_s_r/_s_h_a_r_e/_d_a_t_a/_m_o_v_i_e_s contains sample movies,
if the subsystems dmedia_eoe.data.movies and/or
dmedia_eoe.data.moremovies are installed. There is an SGI
movie file, _s_o_m_e_r_s_a_u_l_t._m_o_v_i_e, and a sample QuickTime movie,
_s_a_m_p_l_e_Q_T._m_o_v. _s_t_u_d_i_o._m_p_s is an MPEG systems stream movie.
17.1 _N_e_w _f_e_a_t_u_r_e_s _i_n _M_e_d_i_a_P_l_a_y_e_r _4._4._0, _r_e_l_e_a_s_e_d _w_i_t_h _I_R_I_X
_6._5 _f_o_r _O_2
+o MediaPlayer now supports the playback of other types of
media other than movies. This includes sound, MIDI,
and still image files.
+o MediaPlayer now supports the playback of some types of
compressed audio embedded in QuickTime movies. (IMA4
and DV-Audio)
+o MediaPlayer now has the ability to display video to the
video out jack at the same time as it is playing to
graphics.
+o MediaPlayer now supports the playback of DIF streams
(raw DV data) .
+o A new command line flag is supported, "-P", which tells
the playback engine to start in "Play Every Frame"
mode.
17.2 _K_n_o_w_n__P_r_o_b_l_e_m_s__a_n_d__W_o_r_k_a_r_o_u_n_d_s
This section lists problems in the MediaPlayer software and
ways to work around them.
+o In order to play movies to video out on an O2, the
video ouput signal's Output Sync must be set to
"Internal". Failing to establish this setting will
cause Media Player to hang. To adjust or verify the
Output Sync setting, open _v_c_p(_1), choose Pro -> Video
- 2 -
Output -> Signal Controls. Then from the Video Output-
Signal panel choose "Internal" on the Output Sync
pulldown menu.
+o The "-S" command line flag is no longer supported. Use
the standard X mechanism using "-geometry +X+Y".
+o MIDI playback has some problems. If you should
encounter problems playing a MIDI file, you may use
_s_o_u_n_d_p_l_a_y_e_r(_1) instead.
+o The current SGI movie format version number is 3.
Movies made or edited with IRIX 5.1 or later releases
of Movie Maker might not play or might play incorrectly
with the IRIX 4.0.5 version of MediaPlayer However,
the current version of MediaPlayer plays all versions
(1, 2 and 3) of SGI movies correctly.
+o MediaPlayer does not work correctly over the network.
The user interface and images will display on the local
machine, but the audio will play on the remote machine.
In addition, if you are displaying MediaPlayer from an
IRIX 6.2 or later system to an IRIX 5.3 system, you may
need to install one of the following patches on your
IRIX 5.3 system which fixes an OpenGL problem: number
450, 720, or 926.
+o MediaPlayer does not support the playback of FIT image
sequences in this release. You can work around this
problem by using MovieMaker or dmconvert to convert
your FIT images to a supported movie format.
+o If you choose "Play Every Frame" from the "View" menu,
audio is disabled while the movie is playing. To
restore audio, deselect "Play Every Frame."
+o For MPEG movies only: the "Copy" command will only
provide a still image; it will not provide movie-file
or audio-file targets of the selection.
+o MediaPlayer is not able to play certain MPEG movies
where the MPEG information starts at an offset other
than 0. For these movies, Movie Player may hang or
crash.