diff options
| -rw-r--r-- | xine/post_util.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/xine/post_util.h b/xine/post_util.h new file mode 100644 index 00000000..c3607e53 --- /dev/null +++ b/xine/post_util.h @@ -0,0 +1,113 @@ +/* + * post_util.h: post plugin utility functions + * + * See the main source file 'xineliboutput.c' for copyright information and + * how to reach the author. + * + * $Id: post_util.h,v 1.1 2008-02-19 01:24:19 phintuka Exp $ + * + */ + +/* + * class util prototypes + */ + +static void *init_plugin(xine_t *xine, void *data); +static char *get_identifier(post_class_t *class_gen); +static char *get_description(post_class_t *class_gen); +static void class_dispose(post_class_t *class_gen); + +/* required from plugin: */ +static post_plugin_t *open_plugin(post_class_t *class_gen, int inputs, + xine_audio_port_t **audio_target, + xine_video_port_t **video_target); + +/* + * plugin util prototypes + */ + +static int dispatch_draw(vo_frame_t *frame, xine_stream_t *stream); +static int intercept_frame_yuy(post_video_port_t *port, vo_frame_t *frame); +static int post_draw(vo_frame_t *frame, xine_stream_t *stream); + +/* required from plugin: */ +static vo_frame_t *got_frame(vo_frame_t *frame); +static void draw_internal(vo_frame_t *frame, vo_frame_t *new_frame); + + +/* + * class utils + */ + +static void *init_plugin(xine_t *xine, void *data) +{ + post_class_t *class = (post_class_t *)malloc(sizeof(post_class_t)); + + if (!class) + return NULL; + + class->open_plugin = open_plugin; + class->get_identifier = get_identifier; + class->get_description = get_description; + class->dispose = class_dispose; + + return class; +} + +static char *get_identifier(post_class_t *class_gen) +{ + return PLUGIN_ID; +} + +static char *get_description(post_class_t *class_gen) +{ + return PLUGIN_DESCR; +} + +static void class_dispose(post_class_t *class_gen) +{ + free(class_gen); +} + +/* + * plugin utils + */ + +static int dispatch_draw(vo_frame_t *frame, xine_stream_t *stream) +{ + int skip; + _x_post_frame_copy_down(frame, frame->next); + skip = frame->next->draw(frame->next, stream); + _x_post_frame_copy_up(frame, frame->next); + return skip; +} + +static int intercept_frame_yuy(post_video_port_t *port, vo_frame_t *frame) +{ + return (frame->format == XINE_IMGFMT_YV12 || frame->format == XINE_IMGFMT_YUY2); +} + +static int post_draw(vo_frame_t *frame, xine_stream_t *stream) +{ + vo_frame_t *new_frame; + int skip; + + if (frame->bad_frame) + return dispatch_draw(frame, stream); + + new_frame = got_frame(frame); + + if (!new_frame) + return dispatch_draw(frame, stream); + + _x_post_frame_copy_down(frame, new_frame); + + draw_internal(frame, new_frame); + + skip = new_frame->draw(new_frame, stream); + _x_post_frame_copy_up(frame, new_frame); + new_frame->free(new_frame); + + return skip; +} + |