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video_out_caca.c    328 lines (258 with data), 9.8 kB

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/*
* Copyright (C) 2003-2012 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_caca.c, Color AsCii Art output plugin for xine
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <sys/time.h>
#include <cucul.h>
#include <caca.h>
#ifdef HAVE_FFMPEG_AVUTIL_H
# include <mem.h>
#else
# include <libavutil/mem.h>
#endif
#include "xine.h"
#include <xine/video_out.h>
#include <xine/xine_internal.h>
#include "yuv2rgb.h"
#include <xine/xineutils.h>
/*
* structures
*/
typedef struct caca_frame_s {
vo_frame_t vo_frame;
cucul_dither_t *pixmap_s; /* pixmap info structure */
uint8_t *pixmap_d; /* pixmap data */
int width, height;
int format; /* XINE_IMGFMT_* flags */
yuv2rgb_t *yuv2rgb;
} caca_frame_t;
typedef struct {
vo_driver_t vo_driver;
config_values_t *config;
xine_t *xine;
int user_ratio;
yuv2rgb_factory_t *yuv2rgb_factory;
cucul_canvas_t *cv;
caca_display_t *dp;
} caca_driver_t;
typedef struct {
video_driver_class_t driver_class;
config_values_t *config;
xine_t *xine;
} caca_class_t;
/*
* video driver
*/
static uint32_t caca_get_capabilities (vo_driver_t *this) {
return VO_CAP_YV12 | VO_CAP_YUY2;
}
static void caca_dispose_frame (vo_frame_t *vo_img) {
caca_frame_t *frame = (caca_frame_t *)vo_img;
av_free (frame->vo_frame.base[0]);
av_free (frame->vo_frame.base[1]);
av_free (frame->vo_frame.base[2]);
free (frame->pixmap_d);
if (frame->pixmap_s)
cucul_free_dither (frame->pixmap_s);
frame->yuv2rgb->dispose (frame->yuv2rgb);
free (frame);
}
static void caca_frame_field (vo_frame_t *vo_img, int which_field) {
/* nothing to be done here */
}
static vo_frame_t *caca_alloc_frame(vo_driver_t *this_gen) {
caca_driver_t *this = (caca_driver_t*) this_gen;
caca_frame_t *frame;
frame = calloc(1, sizeof (caca_frame_t));
if (!frame)
return NULL;
pthread_mutex_init(&frame->vo_frame.mutex, NULL);
frame->vo_frame.proc_slice = NULL;
frame->vo_frame.proc_frame = NULL;
frame->vo_frame.field = caca_frame_field;
frame->vo_frame.dispose = caca_dispose_frame;
frame->vo_frame.driver = this_gen;
/* colorspace converter for this frame */
frame->yuv2rgb =
this->yuv2rgb_factory->create_converter (this->yuv2rgb_factory);
return (vo_frame_t*) frame;
}
static void caca_update_frame_format (vo_driver_t *this_gen, vo_frame_t *img,
uint32_t width, uint32_t height,
double ratio, int format, int flags) {
caca_driver_t *this = (caca_driver_t*) this_gen;
caca_frame_t *frame = (caca_frame_t *) img;
if ((frame->width != width) || (frame->height != height)
|| (frame->format != format)) {
av_freep (&frame->vo_frame.base[0]);
av_freep (&frame->vo_frame.base[1]);
av_freep (&frame->vo_frame.base[2]);
free (frame->pixmap_d); frame->pixmap_d = NULL;
if (frame->pixmap_s) {
cucul_free_dither (frame->pixmap_s);
frame->pixmap_s = NULL;
}
frame->width = width;
frame->height = height;
frame->format = format;
frame->pixmap_d = (uint8_t *) xine_xmalloc (height * width * 4);
frame->pixmap_s = cucul_create_dither (32, width, height, width * 4,
0xff0000, 0xff00, 0xff, 0);
if (format == XINE_IMGFMT_YV12) {
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);
frame->vo_frame.base[0] = av_mallocz(frame->vo_frame.pitches[0] * height);
frame->vo_frame.base[1] = av_mallocz(frame->vo_frame.pitches[1] * ((height+1)/2));
frame->vo_frame.base[2] = av_mallocz(frame->vo_frame.pitches[2] * ((height+1)/2));
frame->yuv2rgb->configure (frame->yuv2rgb,
width, height, frame->vo_frame.pitches[0], frame->vo_frame.pitches[1],
width, height, width * 4);
} else if (format == XINE_IMGFMT_YUY2) {
frame->vo_frame.pitches[0] = 8*((width + 3) / 4);
frame->vo_frame.base[0] = av_mallocz(frame->vo_frame.pitches[0] * height);
frame->yuv2rgb->configure (frame->yuv2rgb,
width, height, frame->vo_frame.pitches[0], frame->vo_frame.pitches[0],
width, height, width * 4);
} else {
xprintf (this->xine, XINE_VERBOSITY_DEBUG, "alert! unsupported image format %04x\n", format);
_x_abort();
}
}
}
static void caca_display_frame (vo_driver_t *this_gen, vo_frame_t *frame_gen) {
/* caca_driver_t *this = (caca_driver_t*) this_gen; */
caca_frame_t *frame = (caca_frame_t *) frame_gen;
caca_driver_t *this = (caca_driver_t*) this_gen;
if (frame->format == XINE_IMGFMT_YV12) {
frame->yuv2rgb->yuv2rgb_fun (frame->yuv2rgb, frame->pixmap_d,
frame->vo_frame.base[0],
frame->vo_frame.base[1],
frame->vo_frame.base[2]);
} else { /* frame->format == XINE_IMGFMT_YUY2 */
frame->yuv2rgb->yuy22rgb_fun (frame->yuv2rgb, frame->pixmap_d,
frame->vo_frame.base[0]);
}
frame->vo_frame.free (&frame->vo_frame);
cucul_dither_bitmap(this->cv, 0, 0, cucul_get_canvas_width(this->cv)-1, cucul_get_canvas_height(this->cv)-1,
frame->pixmap_s, frame->pixmap_d);
caca_refresh_display (this->dp);
}
static int caca_get_property (vo_driver_t *this_gen, int property) {
caca_driver_t *this = (caca_driver_t*) this_gen;
if ( property == VO_PROP_ASPECT_RATIO) {
return this->user_ratio;
} else {
xprintf (this->xine, XINE_VERBOSITY_DEBUG,
"video_out_caca: tried to get unsupported property %d\n", property);
}
return 0;
}
static int caca_set_property (vo_driver_t *this_gen,
int property, int value) {
caca_driver_t *this = (caca_driver_t*) this_gen;
if ( property == VO_PROP_ASPECT_RATIO) {
if (value>=XINE_VO_ASPECT_NUM_RATIOS)
value = XINE_VO_ASPECT_AUTO;
this->user_ratio = value;
} else {
xprintf (this->xine, XINE_VERBOSITY_DEBUG,
"video_out_caca: tried to set unsupported property %d\n", property);
}
return value;
}
static void caca_get_property_min_max (vo_driver_t *this_gen,
int property, int *min, int *max) {
*min = 0;
*max = 0;
}
static void caca_dispose_driver (vo_driver_t *this_gen) {
caca_driver_t *this = (caca_driver_t*) this_gen;
this->yuv2rgb_factory->dispose (this->yuv2rgb_factory);
caca_free_display(this->dp);
cucul_free_canvas(this->cv);
}
static int caca_redraw_needed (vo_driver_t *this_gen) {
return 0;
}
static vo_driver_t *open_plugin (video_driver_class_t *class_gen, const void *visual_gen) {
caca_class_t *class = (caca_class_t *) class_gen;
caca_display_t *dp = (caca_display_t *)visual_gen;
caca_driver_t *this;
this = calloc(1, sizeof (caca_driver_t));
this->config = class->config;
this->xine = class->xine;
this->vo_driver.get_capabilities = caca_get_capabilities;
this->vo_driver.alloc_frame = caca_alloc_frame;
this->vo_driver.update_frame_format = caca_update_frame_format;
this->vo_driver.display_frame = caca_display_frame;
this->vo_driver.overlay_begin = NULL;
this->vo_driver.overlay_blend = NULL;
this->vo_driver.overlay_end = NULL;
this->vo_driver.get_property = caca_get_property;
this->vo_driver.set_property = caca_set_property;
this->vo_driver.get_property_min_max = caca_get_property_min_max;
this->vo_driver.gui_data_exchange = NULL;
this->vo_driver.redraw_needed = caca_redraw_needed;
this->vo_driver.dispose = caca_dispose_driver;
this->yuv2rgb_factory = yuv2rgb_factory_init(MODE_32_RGB, 0, NULL);
this->yuv2rgb_factory->set_csc_levels(this->yuv2rgb_factory, 0, 128, 128, CM_DEFAULT);
if (dp) {
this->cv = caca_get_canvas(dp);
this->dp = dp;
} else {
this->cv = cucul_create_canvas(0, 0);
this->dp = caca_create_display(this->cv);
}
caca_refresh_display(this->dp);
return &this->vo_driver;
}
static void *init_class (xine_t *xine, void *visual_gen) {
caca_class_t *this;
this = calloc(1, sizeof(caca_class_t));
this->driver_class.open_plugin = open_plugin;
this->driver_class.identifier = "CACA";
this->driver_class.description = N_("xine video output plugin using the Color AsCii Art library");
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_caca = {
6,
XINE_VISUAL_TYPE_CACA
};
const plugin_info_t xine_plugin_info[] EXPORTED = {
/* type, API, "name", version, special_info, init_function */
{ PLUGIN_VIDEO_OUT, 22, "caca", XINE_VERSION_CODE, &vo_info_caca, init_class },
{ PLUGIN_NONE, 0, "", 0, NULL, NULL }
};