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/*
* Copyright (C) 2000-2009 the xine project
*
* This file is part of xine, a free video player.
*
* xine is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* xine is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
* Was originally part of toxine frontend.
* ...but has now been adapted to xine coding style standards ;)
* ......what changes, impressive!
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include "xine.h"
#include <xine/video_out.h>
#include <xine/xine_internal.h>
#include <xine/xineutils.h>
#include <xine/vo_scale.h>
typedef struct {
vo_frame_t vo_frame;
int width;
int height;
double ratio;
int format;
xine_t *xine;
} none_frame_t;
typedef struct {
vo_driver_t vo_driver;
config_values_t *config;
int ratio;
xine_t *xine;
} none_driver_t;
typedef struct {
video_driver_class_t driver_class;
config_values_t *config;
xine_t *xine;
} none_class_t;
static void free_framedata(none_frame_t* frame) {
if(frame->vo_frame.base[0]) {
free(frame->vo_frame.base[0]);
frame->vo_frame.base[0] = NULL;
frame->vo_frame.base[1] = NULL;
frame->vo_frame.base[2] = NULL;
}
}
static void none_frame_dispose(vo_frame_t *vo_frame) {
none_frame_t *frame = (none_frame_t *)vo_frame;
free_framedata(frame);
free (frame);
}
static void none_frame_field(vo_frame_t *vo_frame, int which_field) {
/* do nothing */
}
static uint32_t none_get_capabilities(vo_driver_t *vo_driver) {
return VO_CAP_YV12 | VO_CAP_YUY2;
}
static vo_frame_t *none_alloc_frame(vo_driver_t *vo_driver) {
/* none_driver_t *this = (none_driver_t *) vo_driver; */
none_frame_t *frame;
frame = calloc(1, sizeof(none_frame_t));
if(!frame)
return NULL;
pthread_mutex_init(&frame->vo_frame.mutex, NULL);
frame->vo_frame.base[0] = NULL;
frame->vo_frame.base[1] = NULL;
frame->vo_frame.base[2] = NULL;
frame->vo_frame.proc_slice = NULL;
frame->vo_frame.proc_frame = NULL;
frame->vo_frame.field = none_frame_field;
frame->vo_frame.dispose = none_frame_dispose;
frame->vo_frame.driver = vo_driver;
return (vo_frame_t *)frame;
}
static void none_update_frame_format(vo_driver_t *vo_driver, vo_frame_t *vo_frame,
uint32_t width, uint32_t height,
double ratio, int format, int flags) {
none_driver_t *this = (none_driver_t *) vo_driver;
none_frame_t *frame = (none_frame_t *) vo_frame;
if((frame->width != width) || (frame->height != height) || (frame->format != format)) {
free_framedata(frame);
frame->width = width;
frame->height = height;
frame->format = format;
switch(format) {
case XINE_IMGFMT_YV12:
{
int y_size, uv_size;
frame->vo_frame.pitches[0] = 8*((width + 7) / 8);
frame->vo_frame.pitches[1] = 8*((width + 15) / 16);
frame->vo_frame.pitches[2] = 8*((width + 15) / 16);
y_size = frame->vo_frame.pitches[0] * height;
uv_size = frame->vo_frame.pitches[1] * ((height+1)/2);
frame->vo_frame.base[0] = malloc (y_size + 2*uv_size);
frame->vo_frame.base[1] = frame->vo_frame.base[0]+y_size+uv_size;
frame->vo_frame.base[2] = frame->vo_frame.base[0]+y_size;
}
break;
case XINE_IMGFMT_YUY2:
frame->vo_frame.pitches[0] = 8*((width + 3) / 4);
frame->vo_frame.base[0] = malloc(frame->vo_frame.pitches[0] * height);
frame->vo_frame.base[1] = NULL;
frame->vo_frame.base[2] = NULL;
break;
default:
xprintf (this->xine, XINE_VERBOSITY_DEBUG, "video_out_none: unknown frame format %04x)\n", format);
break;
}
if((format == XINE_IMGFMT_YV12
&& (frame->vo_frame.base[0] == NULL
|| frame->vo_frame.base[1] == NULL
|| frame->vo_frame.base[2] == NULL))
|| (format == XINE_IMGFMT_YUY2 && frame->vo_frame.base[0] == NULL)) {
xprintf (this->xine, XINE_VERBOSITY_DEBUG,
"video_out_none: error. (framedata allocation failed: out of memory)\n");
free_framedata(frame);
}
}
frame->ratio = ratio;
}
static void none_display_frame(vo_driver_t *vo_driver, vo_frame_t *vo_frame) {
/* none_driver_t *driver = (none_driver_t *)vo_driver; */
none_frame_t *frame = (none_frame_t *)vo_frame;
frame->vo_frame.free(&frame->vo_frame);
}
static int none_get_property(vo_driver_t *vo_driver, int property) {
none_driver_t *driver = (none_driver_t *)vo_driver;
switch(property) {
case VO_PROP_ASPECT_RATIO:
return driver->ratio;
break;
default:
break;
}
return 0;
}
static int none_set_property(vo_driver_t *vo_driver, int property, int value) {
none_driver_t *driver = (none_driver_t *)vo_driver;
switch(property) {
case VO_PROP_ASPECT_RATIO:
if(value >= XINE_VO_ASPECT_NUM_RATIOS)
value = XINE_VO_ASPECT_AUTO;
driver->ratio = value;
break;
default:
break;
}
return value;
}
static void none_get_property_min_max(vo_driver_t *vo_driver,
int property, int *min, int *max) {
*min = 0;
*max = 0;
}
static int none_gui_data_exchange(vo_driver_t *vo_driver, int data_type, void *data) {
/* none_driver_t *this = (none_driver_t *) vo_driver; */
switch (data_type) {
case XINE_GUI_SEND_COMPLETION_EVENT:
case XINE_GUI_SEND_DRAWABLE_CHANGED:
case XINE_GUI_SEND_EXPOSE_EVENT:
case XINE_GUI_SEND_TRANSLATE_GUI_TO_VIDEO:
case XINE_GUI_SEND_VIDEOWIN_VISIBLE:
case XINE_GUI_SEND_SELECT_VISUAL:
break;
}
return 0;
}
static void none_dispose(vo_driver_t *vo_driver) {
none_driver_t *this = (none_driver_t *) vo_driver;
free(this);
}
static int none_redraw_needed(vo_driver_t *vo_driver) {
return 0;
}
static vo_driver_t *open_plugin(video_driver_class_t *driver_class, const void *visual) {
none_class_t *class = (none_class_t *) driver_class;
none_driver_t *driver;
driver = calloc(1, sizeof(none_driver_t));
driver->config = class->config;
driver->xine = class->xine;
driver->ratio = XINE_VO_ASPECT_AUTO;
driver->vo_driver.get_capabilities = none_get_capabilities;
driver->vo_driver.alloc_frame = none_alloc_frame ;
driver->vo_driver.update_frame_format = none_update_frame_format;
driver->vo_driver.overlay_begin = NULL;
driver->vo_driver.overlay_blend = NULL;
driver->vo_driver.overlay_end = NULL;
driver->vo_driver.display_frame = none_display_frame;
driver->vo_driver.get_property = none_get_property;
driver->vo_driver.set_property = none_set_property;
driver->vo_driver.get_property_min_max = none_get_property_min_max;
driver->vo_driver.gui_data_exchange = none_gui_data_exchange;
driver->vo_driver.dispose = none_dispose;
driver->vo_driver.redraw_needed = none_redraw_needed;
return &driver->vo_driver;
}
/*
* Class related functions.
*/
static void *init_class (xine_t *xine, void *visual) {
none_class_t *this;
this = calloc(1, sizeof(none_class_t));
this->driver_class.open_plugin = open_plugin;
this->driver_class.identifier = "none";
this->driver_class.description = N_("xine video output plugin which displays nothing");
this->driver_class.dispose = default_video_driver_class_dispose;
this->config = xine->config;
this->xine = xine;
return this;
}
static const vo_info_t vo_info_none = {
5, /* Priority */
XINE_VISUAL_TYPE_NONE /* Visual type */
};
const plugin_info_t xine_plugin_info[] EXPORTED = {
/* type, API, "name", version, special_info, init_function */
{ PLUGIN_VIDEO_OUT, 22, "none", XINE_VERSION_CODE, &vo_info_none, init_class },
{ PLUGIN_NONE, 0, "", 0, NULL, NULL }
};