examples/gstplay/player.c: Don't iterate.

examples/gstplay/player.c: Don't iterate.

Original commit message from CVS:
* examples/gstplay/player.c: (main):
Don't iterate.
* examples/seeking/seek.c: (fixate), (make_playerbin_pipeline):
Add visualizations.
* ext/a52dec/gsta52dec.c: (gst_a52dec_push),
(gst_a52dec_handle_frame):
Set duration.
* ext/dvdnav/gst-dvd:
Add audioconvert. Fixes #161325.
* ext/dvdread/dvdreadsrc.c: (dvdreadsrc_get):
Explicitely case to gint64. Possible valgrind error.
* gst-libs/gst/play/play.c: (caps_set), (setup_size),
(gst_play_tick_callback), (gst_play_change_state),
(gst_play_dispose), (gst_play_init), (gst_play_class_init),
(gst_play_set_location), (gst_play_get_location),
(gst_play_seek_to_time), (gst_play_set_data_src),
(gst_play_set_video_sink), (gst_play_set_audio_sink),
(gst_play_set_visualization), (gst_play_connect_visualization),
(gst_play_get_framerate), (gst_play_get_all_by_interface),
(gst_play_new):
Use playbin. Fixes #139749 and #147744.
* gst/apetag/apedemux.c: (gst_ape_demux_parse_tags):
Add genre tag.
* gst/audioscale/gstaudioscale.c: (gst_audioscale_method_get_type),
(audioscale_get_type), (gst_audioscale_base_init),
(gst_audioscale_class_init), (gst_audioscale_expand_caps),
(gst_audioscale_getcaps), (gst_audioscale_fixate),
(gst_audioscale_link), (gst_audioscale_get_buffer),
(gst_audioscale_decrease_rate), (gst_audioscale_increase_rate),
(gst_audioscale_init), (gst_audioscale_dispose),
(gst_audioscale_chain), (gst_audioscale_set_property),
(gst_audioscale_get_property), (plugin_init):
Indent properly.
* gst/mpegstream/gstdvddemux.c: (gst_dvd_demux_process_private):
Fix LPCM.
* gst/qtdemux/qtdemux.c: (qtdemux_parse_udta),
(qtdemux_tag_add_str), (qtdemux_tag_add_num),
(qtdemux_tag_add_gnre), (qtdemux_video_caps):
Add more metadata (fixes #162656).