New caca video output plugin - color ASCII art.

CVS patchset: 6191
CVS date: 2004/02/28 19:56:41

2 files changed, 354 insertions, 1 deletions

diff --git a/src/video_out/Makefile.am b/src/video_out/Makefile.am
index a00573cba..41b2fdb0f 100644
--- a/src/video_out/Makefile.am
+++ b/src/video_out/Makefile.am
@@ -10,7 +10,7 @@ VIDIX_CFLAGS = -I$(top_builddir)/src/video_out/vidix \
 AM_CFLAGS = $(X_CFLAGS) \
 	-DXINE_COMPILE $(SDL_CFLAGS) $(VIDIX_CFLAGS) \
 	$(AALIB_CFLAGS) $(MLIB_CFLAGS) $(LIBSTK_CFLAGS) \
-	$(DIRECTFB_CFLAGS) $(DIRECTX_CFLAGS)
+	$(DIRECTFB_CFLAGS) $(DIRECTX_CFLAGS) $(CACA_CFLAGS)
 
 libdir = $(XINE_PLUGINDIR)
 
@@ -44,6 +44,10 @@ if HAVE_AA
 aa_module = xineplug_vo_out_aa.la
 endif
 
+if HAVE_CACA
+caca_module = xineplug_vo_out_caca.la
+endif
+
 if HAVE_FB
 fb_module = xineplug_vo_out_fb.la
 endif
@@ -79,6 +83,7 @@ lib_LTLIBRARIES = $(xshm_module) $(xv_module) $(xvmc_module) \
 	          $(sdl_module) \
                   $(stk_module) \
                   $(directx_module) \
+                  $(caca_module) \
                   xineplug_vo_out_none.la
 
 xineplug_vo_out_xshm_la_SOURCES = yuv2rgb.c yuv2rgb_mmx.c yuv2rgb_mlib.c \
@@ -122,6 +127,11 @@ xineplug_vo_out_aa_la_SOURCES =  video_out_aa.c
 xineplug_vo_out_aa_la_LIBADD = $(AALIB_LIBS)
 xineplug_vo_out_aa_la_LDFLAGS = -avoid-version -module @XINE_PLUGIN_MIN_SYMS@
 
+xineplug_vo_out_caca_la_SOURCES = yuv2rgb.c yuv2rgb_mmx.c yuv2rgb_mlib.c \
+	video_out_caca.c
+xineplug_vo_out_caca_la_LIBADD = $(CACA_LIBS)
+xineplug_vo_out_caca_la_LDFLAGS = -avoid-version -module @XINE_PLUGIN_MIN_SYMS@
+
 xineplug_vo_out_fb_la_SOURCES = yuv2rgb.c yuv2rgb_mmx.c yuv2rgb_mlib.c \
 	alphablend.c video_out_fb.c
 xineplug_vo_out_fb_la_LIBADD = $(MLIB_LIBS) $(XINE_LIB)
diff --git a/src/video_out/video_out_caca.c b/src/video_out/video_out_caca.c
new file mode 100644
index 000000000..c53d48548
--- /dev/null
+++ b/src/video_out/video_out_caca.c
@@ -0,0 +1,343 @@
+/* 
+ * Copyright (C) 2003, 2004 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
+ *
+ * $Id: video_out_caca.c,v 1.1 2004/02/28 19:56:42 valtri Exp $
+ *
+ * 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 <caca.h>
+
+#include "xine.h"
+#include "video_out.h"
+#include "xine_internal.h"
+#include "yuv2rgb.h"
+#include "xineutils.h"
+
+/*
+ * structures
+ */
+
+typedef struct caca_frame_s {
+
+  vo_frame_t         vo_frame;
+
+  struct caca_bitmap *pixmap_s;  /* pixmap info structure */
+  uint8_t            *pixmap_d;  /* pixmap data */
+  int                width, height;
+  uint8_t            *mem[3];
+
+  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;
+
+} 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;
+  
+  if (frame->mem[0])
+    free (frame->mem[0]);
+  if (frame->mem[1])
+    free (frame->mem[1]);
+  if (frame->mem[2])
+    free (frame->mem[2]);
+
+  if (frame->pixmap_d)
+    free (frame->pixmap_d);
+  if (frame->pixmap_s)
+    caca_free_bitmap (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 = (caca_frame_t *) xine_xmalloc (sizeof (caca_frame_t));
+  if (!frame)
+    return 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)) {
+
+    if (frame->mem[0]) {
+      free (frame->mem[0]);
+      frame->mem[0] = NULL;
+    }
+    if (frame->mem[1]) {
+      free (frame->mem[1]);
+      frame->mem[1] = NULL;
+    }
+    if (frame->mem[2]) {
+      free (frame->mem[2]);
+      frame->mem[2] = NULL;
+    }
+
+    if (frame->pixmap_d) {
+      free (frame->pixmap_d);
+      frame->pixmap_d = NULL;
+    }
+    if (frame->pixmap_s) {
+      caca_free_bitmap (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 = caca_create_bitmap (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] = xine_xmalloc_aligned(16,
+        frame->vo_frame.pitches[0] * height, (void**) &frame->mem[0]);
+      frame->vo_frame.base[1] = xine_xmalloc_aligned(16,
+        frame->vo_frame.pitches[1] * ((height+1)/2), (void**) &frame->mem[1]);
+      frame->vo_frame.base[2] = xine_xmalloc_aligned(16,
+        frame->vo_frame.pitches[2] * ((height+1)/2), (void**) &frame->mem[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] = xine_xmalloc_aligned(16,
+        frame->vo_frame.pitches[0] * height, (void**) &frame->mem[0]);
+      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);
+      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;
+
+  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);
+
+  caca_draw_bitmap(0, 0, caca_get_width()-1, caca_get_height()-1,
+    frame->pixmap_s, frame->pixmap_d);
+  caca_refresh ();
+}
+
+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_end();
+}
+
+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_driver_t        *this;
+
+  this = (caca_driver_t*) xine_xmalloc (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);
+
+  caca_init();
+  caca_refresh();
+
+  return &this->vo_driver;
+}    
+
+static char* get_identifier (video_driver_class_t *this_gen) {
+  return "CACA";
+}
+
+static char* get_description (video_driver_class_t *this_gen) {
+  return _("xine video output plugin using the Color AsCii Art library");
+}
+
+static void dispose_class (video_driver_class_t *this_gen) {
+  caca_class_t   *this = (caca_class_t *) this_gen;
+  free(this);
+}
+static void *init_class (xine_t *xine, void *visual_gen) {
+  caca_class_t    *this;
+  
+  this = (caca_class_t *) xine_xmalloc(sizeof(caca_class_t));
+  
+  this->driver_class.open_plugin     = open_plugin;
+  this->driver_class.get_identifier  = get_identifier;
+  this->driver_class.get_description = get_description;
+  this->driver_class.dispose         = dispose_class;
+  
+  this->config            = xine->config;
+  this->xine              = xine;
+
+  return this;
+}
+
+static vo_info_t vo_info_caca = {
+  6,
+  XINE_VISUAL_TYPE_CACA
+};
+
+plugin_info_t xine_plugin_info[] = {
+  /* type, API, "name", version, special_info, init_function */  
+  { PLUGIN_VIDEO_OUT, 19, "caca", XINE_VERSION_CODE, &vo_info_caca, init_class },
+  { PLUGIN_NONE, 0, "", 0, NULL, NULL }
+};