diff options
Diffstat (limited to 'src/post/deinterlace/xine_plugin.c')
| -rw-r--r-- | src/post/deinterlace/xine_plugin.c | 59 |
1 files changed, 58 insertions, 1 deletions
diff --git a/src/post/deinterlace/xine_plugin.c b/src/post/deinterlace/xine_plugin.c index f726e231c..2589c5848 100644 --- a/src/post/deinterlace/xine_plugin.c +++ b/src/post/deinterlace/xine_plugin.c @@ -17,7 +17,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * - * $Id: xine_plugin.c,v 1.20 2003/11/01 13:20:01 miguelfreitas Exp $ + * $Id: xine_plugin.c,v 1.21 2003/11/01 18:34:22 miguelfreitas Exp $ * * advanced video deinterlacer plugin * Jun/2003 by Miguel Freitas @@ -192,10 +192,67 @@ static xine_post_api_descr_t * get_param_descr (void) { return ¶m_descr; } +static char * get_help (void) { + return _("Advanced tvtime/deinterlacer plugin with pulldown detection\n" + "This plugin aims to provide deinterlacing mechanisms comparable " + "to high quality progressive DVD players and so called " + "line-doublers, for use with computer monitors, projectors and " + "other progressive display devices.\n" + "\n" + "Parameters\n" + "\n" + " Method: Select deinterlacing method/algorithm to use, see below for " + "explanation of each method.\n" + "\n" + " Enabled: Enable/disable the plugin.\n" + "\n" + " Pulldown: Choose the 2-3 pulldown detection algorithm. 24 FPS films " + "that have being converted to NTSC can be detected and intelligently " + "reconstructed to their original (non-interlaced) frames.\n" + "\n" + " Framerate_mode: Selecting 'full' will deinterlace every field " + "to an unique frame for television quality and beyond. This feature will " + "effetively double the frame rate, improving smoothness. Note, however, " + "that full 59.94 FPS is not possible with plain 2.4 Linux kernel (that " + "use a timer interrupt frequency of 100Hz). Newer RedHat and 2.6 kernels " + "use higher HZ settings (512 and 1000, respectively) and should work fine.\n" + "\n" + " Judder_correction: Once 2-3 pulldown is enabled and a film material " + "is detected, it is possible to reduce the frame rate to original rate " + "used (24 FPS). This will make the frames evenly spaced in time, " + "matching the speed they were shot and eliminating the judder effect.\n" + "\n" + " Use_progressive_frame_flag: Well mastered MPEG2 streams uses a flag " + "to indicate progressive material. This setting control whether we trust " + "this flag or not (some rare and buggy mpeg2 streams set it wrong).\n" + "\n" + " Chroma_filter: DVD/MPEG2 use an interlaced image format that has " + "a very poor vertical chroma resolution. Upsampling the chroma for purposes " + "of deinterlacing may cause some artifacts to occur (eg. color stripes). Use " + "this option to blur the chroma vertically after deinterlacing to remove " + "the artifacts. Warning: cpu intensive.\n" + "\n" + " Cheap_mode: This will skip the expensive YV12->YUY2 image conversion, " + "tricking tvtime/dscaler routines like if they were still handling YUY2 " + "images. Of course, this is not correct, not all pixels will be evaluated " + "by the algorithms to decide the regions to deinterlace and chroma will be " + "processed separately. Nevertheless, it allows people with not so fast " + "systems to try deinterlace algorithms, in a tradeoff between quality " + "and cpu usage.\n" + "\n" + "Deinterlacing methods: (Not all methods are available for all plataforms)\n" + "\n" + "(FIXME: explain each method, check tvtime/dscaler docs... i fell lazy)\n" + "\n" + "* Uses several algorithms from tvtime and dscaler projects.\n" + ); +} + static xine_post_api_t post_api = { set_parameters, get_parameters, get_param_descr, + get_help, }; typedef struct post_deinterlace_out_s post_deinterlace_out_t; |