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/*
* Copyright (C) 2000-2003 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
*
* video_out_stk.c, Libstk Surface Video Driver
* more info on Libstk at http://www.libstk.org
*
* based on video_out_sdl from
* Miguel Freitas
*
* based on mpeg2dec code from
* Ryan C. Gordon <icculus@lokigames.com> and
* Dominik Schnitzer <aeneas@linuxvideo.org>
*
* (SDL) xine version by Miguel Freitas (Jan/2002)
* Missing features:
* - event handling
* - fullscreen
* - surface locking (for Xlib error noted below)
* - stability, testing, etc?? ;)
* Known bugs:
* - using stk SDL backend, a window move is sometimes needed for the video
* to show up, alghough the audio is playing
* - using stk SDL backend an XLib unexpected async response error sometimes
* occurs
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <math.h>
#include <libstk/stk_c_wrapper.h>
#define LOG_MODULE "video_out_stk"
#define LOG_VERBOSE
/*
#define LOG
*/
#include "xine.h"
#include <xine/xine_internal.h>
#include <xine/video_out.h>
#include <xine/xineutils.h>
#include <xine/vo_scale.h>
/* Extend the video frame class with stk private data */
typedef struct stk_frame_s {
/* public interface */
vo_frame_t vo_frame;
/* stk private data */
int width, height, format;
double ratio;
overlay_t* overlay;
} stk_frame_t;
/* Extend the video output class with stk private data */
typedef struct stk_driver_s {
/* public interface */
vo_driver_t vo_driver;
/* stk private data */
config_values_t* config;
surface_t* surface;
xine_panel_t* xine_panel;
uint8_t bpp; /* do we need this ? */
pthread_mutex_t mutex;
uint32_t capabilities;
vo_scale_t sc;
xine_t *xine;
alphablend_t alphablend_extra_data;
} stk_driver_t;
typedef struct {
video_driver_class_t driver_class;
config_values_t* config;
xine_t *xine;
} stk_class_t;
static uint32_t stk_get_capabilities (vo_driver_t *this_gen) {
stk_driver_t* this = (stk_driver_t *)this_gen;
//printf("video_out_stk: get_capabilities()\n");
return this->capabilities;
}
/* copy YUV to RGB data (see fb driver)*/
static void stk_frame_proc_slice (vo_frame_t *vo_img, uint8_t **src)
{
/* not needed by SDL, we may need it for other stk backends */
//printf("video_out_stk: frame_copy()\n");
}
/* set up the rgb_dst and strides (see fb driver) */
static void stk_frame_field (vo_frame_t *vo_img, int which_field) {
/* not needed for SDL, maybe not for libstk ? */
//printf("video_out_stk: frame_field()\n");
}
static void stk_frame_dispose (vo_frame_t *vo_img) {
stk_frame_t* frame = (stk_frame_t *)vo_img;
//printf("video_out_stk: frame_dispose()\n");
if (frame->overlay) stk_overlay_free(frame->overlay);
free (frame);
}
static vo_frame_t *stk_alloc_frame(vo_driver_t *this_gen) {
stk_driver_t* this = (stk_driver_t*)this_gen;
/* allocate the frame */
stk_frame_t* frame;
//printf("video_out_stk: alloc_frame()\n");
frame = calloc(1, sizeof(stk_frame_t));
if (!frame)
return NULL;
/* populate the frame members*/
pthread_mutex_init (&frame->vo_frame.mutex, NULL);
/* map the frame function pointers */
frame->vo_frame.proc_slice = stk_frame_proc_slice;
frame->vo_frame.proc_frame = NULL;
frame->vo_frame.field = stk_frame_field;
frame->vo_frame.dispose = stk_frame_dispose;
return (vo_frame_t *) frame;
}
static void stk_compute_ideal_size (stk_driver_t* this) {
//printf("video_out_stk: compute_ideal_size()\n");
_x_vo_scale_compute_ideal_size(&this->sc);
}
static void stk_compute_output_size (stk_driver_t *this) {
//printf("video_out_stk: compute_output_size()\n");
_x_vo_scale_compute_output_size( &this->sc );
lprintf ("frame source %d x %d => screen output %d x %d\n",
this->sc.delivered_width, this->sc.delivered_height,
this->sc.output_width, this->sc.output_height);
}
static void stk_update_frame_format (vo_driver_t *this_gen, vo_frame_t *frame_gen,
uint32_t width, uint32_t height, double ratio, int format, int flags) {
stk_driver_t* this = (stk_driver_t*)this_gen;
stk_frame_t* frame = (stk_frame_t*)frame_gen;
//printf("video_out_stk: update_frame_format()\n");
if ((frame->width != width) || (frame->height != height) || (frame->format != format)) {
lprintf("update_frame_format - %d=%d, %d=%d, %d=%d\n",
frame->width, width, frame->height, height, frame->format, format);
lprintf("vo_frame data - width, height, format: %d, %d, %d\n",
frame->vo_frame.width, frame->vo_frame.height, frame->vo_frame.format);
/* (re-) allocate image */
if (frame->overlay) {
stk_overlay_free(frame->overlay);
frame->overlay = NULL;
}
if (format == XINE_IMGFMT_YV12) {
lprintf ("format YV12\n");
frame->overlay = stk_surface_create_overlay(this->surface, width, height,
STK_FORMAT_YV12);
} else if (format == XINE_IMGFMT_YUY2) {
lprintf("format YUY2\n");
frame->overlay = stk_surface_create_overlay(this->surface, width, height,
STK_FORMAT_YUY2);
}
if (frame->overlay == NULL)
return;
/* From the SDL driver:
* This needs to be done becuase I have found that
* pixels isn't setup until this is called.
*/
stk_overlay_lock(frame->overlay);
frame->vo_frame.pitches[0] = stk_overlay_pitches(frame->overlay, 0);
frame->vo_frame.pitches[1] = stk_overlay_pitches(frame->overlay, 2);
frame->vo_frame.pitches[2] = stk_overlay_pitches(frame->overlay, 1);
frame->vo_frame.base[0] = stk_overlay_pixels(frame->overlay, 0);
frame->vo_frame.base[1] = stk_overlay_pixels(frame->overlay, 2);
frame->vo_frame.base[2] = stk_overlay_pixels(frame->overlay, 1);
frame->width = width;
frame->height = height;
frame->format = format;
} else {
stk_overlay_lock(frame->overlay);
}
frame->ratio = ratio;
}
static void stk_overlay_blend (vo_driver_t *this_gen, vo_frame_t *frame_gen, vo_overlay_t *overlay) {
stk_driver_t* this = (stk_driver_t*)this_gen;
stk_frame_t* frame = (stk_frame_t*)frame_gen;
//printf("video_out_stk: overlay_blend()\n");
this->alphablend_extra_data.offset_x = frame_gen->overlay_offset_x;
this->alphablend_extra_data.offset_y = frame_gen->overlay_offset_y;
if (overlay->rle) {
if (frame->format == XINE_IMGFMT_YV12)
_x_blend_yuv( frame->vo_frame.base, overlay, frame->width, frame->height, frame->vo_frame.pitches, &this->alphablend_extra_data);
else
_x_blend_yuy2( frame->vo_frame.base[0], overlay, frame->width, frame->height, frame->vo_frame.pitches[0], &this->alphablend_extra_data);
}
}
static void stk_check_events (stk_driver_t* this) {
/* SDL checks for a resize, our video panels aren't resizeable... */
//printf("video_out_stk: check_events()\n");
}
/* when is this called ? */
static int stk_redraw_needed (vo_driver_t* this_gen) {
stk_driver_t* this = (stk_driver_t*)this_gen;
int ret = 0;
static int last_gui_width, last_gui_height;
//printf("video_out_stk: redraw_needed()\n");
if( last_gui_width != this->sc.gui_width ||
last_gui_height != this->sc.gui_height ||
this->sc.force_redraw ) {
last_gui_width = this->sc.gui_width;
last_gui_height = this->sc.gui_height;
stk_compute_output_size (this);
ret = 1;
}
this->sc.force_redraw = 0;
return ret;
}
static void stk_display_frame (vo_driver_t *this_gen, vo_frame_t *frame_gen) {
stk_driver_t* this = (stk_driver_t*)this_gen;
stk_frame_t* frame = (stk_frame_t*)frame_gen;
//printf("video_out_stk: display_frame()\n");
pthread_mutex_lock(&this->mutex);
if ( (frame->width != this->sc.delivered_width)
|| (frame->height != this->sc.delivered_height)
|| (frame->ratio != this->sc.delivered_ratio) ) {
xprintf(this->xine, XINE_VERBOSITY_DEBUG, "video_out_stk: change frame format\n");
this->sc.delivered_width = frame->width;
this->sc.delivered_height = frame->height;
this->sc.delivered_ratio = frame->ratio;
stk_compute_ideal_size(this);
this->sc.force_redraw = 1;
}
/*
* tell gui that we are about to display a frame,
* ask for offset and output size
*/
stk_check_events (this);
stk_redraw_needed (this_gen);
stk_overlay_unlock(frame->overlay);
stk_overlay_display(frame->overlay, this->sc.output_xoffset, this->sc.output_yoffset,
this->sc.output_width, this->sc.output_height);
frame->vo_frame.free (&frame->vo_frame);
pthread_mutex_unlock(&this->mutex);
}
static int stk_get_property (vo_driver_t* this_gen, int property) {
stk_driver_t* this = (stk_driver_t *)this_gen;
//printf("video_out_stk: get_property()\n");
if (property == VO_PROP_ASPECT_RATIO)
return this->sc.user_ratio;
return 0;
}
static int stk_set_property (vo_driver_t* this_gen, int property, int value) {
stk_driver_t* this = (stk_driver_t*)this_gen;
//printf("video_out_stk: set_property()\n");
if ( property == VO_PROP_ASPECT_RATIO) {
if (value>=XINE_VO_ASPECT_NUM_RATIOS)
value = XINE_VO_ASPECT_AUTO;
this->sc.user_ratio = value;
xprintf(this->xine, XINE_VERBOSITY_DEBUG,
"video_out_stk: aspect ratio changed to %s\n", _x_vo_scale_aspect_ratio_name_table[value]);
stk_compute_ideal_size (this);
this->sc.force_redraw = 1;
}
return value;
}
static void stk_get_property_min_max (vo_driver_t *this_gen, int property, int *min, int *max) {
/* stk_driver_t* this = (stk_driver_t*)this_gen; */
//printf("video_out_stk: get_property_min_max()\n");
}
static int stk_gui_data_exchange (vo_driver_t *this_gen, int data_type, void *data) {
stk_driver_t *this = (stk_driver_t*)this_gen;
switch (data_type)
{
case XINE_GUI_SEND_COMPLETION_EVENT:
break;
case XINE_GUI_SEND_EXPOSE_EVENT:
break;
case XINE_GUI_SEND_DRAWABLE_CHANGED:
this->xine_panel = (xine_panel_t*)data;
this->surface = stk_xine_panel_surface(this->xine_panel);
this->sc.gui_x = stk_xine_panel_x(this->xine_panel);
this->sc.gui_y = stk_xine_panel_y(this->xine_panel);
this->sc.gui_width = stk_xine_panel_width(this->xine_panel);
this->sc.gui_height = stk_xine_panel_height(this->xine_panel);
this->sc.force_redraw = 1;
break;
case XINE_GUI_SEND_TRANSLATE_GUI_TO_VIDEO:
break;
}
return 0;
}
static void stk_dispose (vo_driver_t * this_gen) {
stk_driver_t* this = (stk_driver_t*)this_gen;
//printf("video_out_stk: dispose()\n");
/* FIXME: any libstk deleting must be done in the app or library
* since we didn't create the surface */
_x_alphablend_free(&this->alphablend_extra_data);
free(this);
}
static vo_driver_t *open_plugin(video_driver_class_t *class_gen, const void *visual_gen) {
stk_class_t * class = (stk_class_t *) class_gen;
/* allocate the video output driver class */
stk_driver_t* this;
//printf("video_out_stk: open_plugin()\n");
this = calloc(1, sizeof (stk_driver_t));
if (!this)
return NULL;
_x_alphablend_init(&this->alphablend_extra_data, class->xine);
/* populate the video output driver members */
this->config = class->config;
this->xine = class->xine;
this->xine_panel = (xine_panel_t*)visual_gen;
this->surface = stk_xine_panel_surface(this->xine_panel);
/* FIXME: provide a way to get bpp from stk surfaces */
/* this->bpp = stk_surface_bpp(this->surface); */
this->bpp = 32;
pthread_mutex_init(&this->mutex, NULL);
/* FIXME: provide a way to get YUV formats from stk surfaces */
/* this->capabilities = stk_surface_formats(this->surface); */
this->capabilities = VO_CAP_YUY2 | VO_CAP_YV12;
/* FIXME: what does this do ? */
_x_vo_scale_init( &this->sc, 0, 0, this->config );
this->sc.gui_x = stk_xine_panel_x(this->xine_panel);
this->sc.gui_y = stk_xine_panel_y(this->xine_panel);
this->sc.gui_width = stk_xine_panel_width(this->xine_panel);
this->sc.gui_height = stk_xine_panel_height(this->xine_panel);
/* map the video output driver function pointers */
this->vo_driver.get_capabilities = stk_get_capabilities;
this->vo_driver.alloc_frame = stk_alloc_frame;
this->vo_driver.update_frame_format = stk_update_frame_format;
this->vo_driver.overlay_begin = NULL; /* not used */
this->vo_driver.overlay_blend = stk_overlay_blend;
this->vo_driver.overlay_end = NULL; /* not used */
this->vo_driver.display_frame = stk_display_frame;
this->vo_driver.get_property = stk_get_property;
this->vo_driver.set_property = stk_set_property;
this->vo_driver.get_property_min_max = stk_get_property_min_max;
this->vo_driver.gui_data_exchange = stk_gui_data_exchange;
this->vo_driver.dispose = stk_dispose;
this->vo_driver.redraw_needed = stk_redraw_needed;
/* FIXME: move this to the stk SDL driver code */
xine_setenv("SDL_VIDEO_YUV_HWACCEL", "1", 1);
xine_setenv("SDL_VIDEO_X11_NODIRECTCOLOR", "1", 1);
xprintf (this->xine, XINE_VERBOSITY_DEBUG,
"video_out_stk: warning, xine's STK driver is EXPERIMENTAL\n");
return &this->vo_driver;
}
/**
* Class Functions
*/
static void *init_class (xine_t *xine, void *visual_gen) {
stk_class_t* this;
//printf("video_out_stk: init_class()\n");
this = calloc(1, sizeof(stk_class_t));
this->driver_class.open_plugin = open_plugin;
this->driver_class.identifier = "stk";
this->driver_class.description = N_("xine video output plugin using the Libstk Surface Set-top Toolkit");
this->driver_class.dispose = default_video_driver_class_dispose;
this->config = xine->config;
this->xine = xine;
return this;
}
/* what priority should we be (what is low), what vistype should we declare ? */
static const vo_info_t vo_info_stk = {
4, /* priority */
XINE_VISUAL_TYPE_FB, /* visual type supported by this plugin */
};
const plugin_info_t xine_plugin_info[] EXPORTED = {
/* type, API, "name", version, special_info, init_function */
{ PLUGIN_VIDEO_OUT, 22, "stk", XINE_VERSION_CODE, &vo_info_stk, init_class },
{ PLUGIN_NONE, 0, "" , 0 , NULL, NULL}
};