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/*
* 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 1.3.2.1 2008-09-26 13:33:31 phintuka Exp $
*
*/
#if POST_PLUGIN_IFACE_VERSION < 9
# warning POST_PLUGIN_IFACE_VERSION < 9 not supported !
#endif
#if POST_PLUGIN_IFACE_VERSION > 10
# warning POST_PLUGIN_IFACE_VERSION > 10 not supported !
#endif
/*
* class util prototypes
*/
static void *init_plugin(xine_t *xine, void *data);
#if POST_PLUGIN_IFACE_VERSION < 10
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);
#endif
/* 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);
#ifdef ENABLE_SLICED
static void dispatch_slice(vo_frame_t *vo_img, uint8_t **src);
#endif
/* 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 = calloc(1, sizeof(post_class_t));
if (!class)
return NULL;
class->open_plugin = open_plugin;
#if POST_PLUGIN_IFACE_VERSION < 10
class->get_identifier = get_identifier;
class->get_description = get_description;
class->dispose = class_dispose;
#else
class->identifier = PLUGIN_ID;
class->description = PLUGIN_DESCR;
class->dispose = default_post_class_dispose;
#endif
return class;
}
#if POST_PLUGIN_IFACE_VERSION < 10
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);
}
#endif
/*
* plugin utils
*/
#ifdef ENABLE_SLICED
static void dispatch_slice(vo_frame_t *vo_img, uint8_t **src)
{
if (vo_img->next->proc_slice) {
_x_post_frame_copy_down(vo_img, vo_img->next);
vo_img->next->proc_slice(vo_img->next, src);
_x_post_frame_copy_up(vo_img, vo_img->next);
}
}
#endif
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;
}
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