Added debian extra dependency packages.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

1 files changed, 501 insertions, 0 deletions

diff --git a/debian/transcode/transcode-1.1.7/import/x11source.c b/debian/transcode/transcode-1.1.7/import/x11source.c
new file mode 100644
index 00000000..0b1c6bba
--- /dev/null
+++ b/debian/transcode/transcode-1.1.7/import/x11source.c
@@ -0,0 +1,501 @@
+/*
+ * x11source.c - X11/transcode bridge code, allowing screen capture.
+ * (C) 2006-2010 - Francesco Romani <fromani -at- gmail -dot- com>
+ *
+ * This file is part of transcode, a video stream processing tool.
+ *
+ * transcode 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.
+ *
+ * transcode 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include "transcode.h"
+
+#include "magic.h"
+#include "x11source.h"
+
+#include "libtc/ratiocodes.h"
+#include "libtc/tccodecs.h"
+#include "libtc/tcframes.h"
+#include "libtcvideo/tcvideo.h"
+
+/*
+ * TODO:
+ * - internal docs
+ * - internla refactoring to properly grab cursor
+ */
+
+#ifdef HAVE_X11
+
+/*************************************************************************/
+/* cursor grabbing support. */
+
+#ifdef HAVE_X11_FIXES
+
+#include <X11/extensions/Xfixes.h>
+
+
+static void tc_x11source_acquire_cursor_fixes(TCX11Source *handle,
+                                              uint8_t *data, int maxdata)
+{
+    XFixesCursorImage *cursor = XFixesGetCursorImage(handle->dpy);
+
+    if (cursor == NULL) {
+        /* this MUST be noisy! */
+        tc_log_warn(__FILE__, "failed to get cursor image");
+    } else {
+        /* FIXME: this has to be rewritten and need significant
+         * internal refactoring :( */
+    }
+}
+
+#endif /* HAVE_X11_FIXES */
+
+/* FIXME: explain why don't use funcpointers in here */
+static void tc_x11source_acquire_cursor_plain(TCX11Source *handle,
+                                              uint8_t *data, int maxdata)
+{
+    static int warn = 0;
+
+    if (!warn) {
+        tc_log_warn(__FILE__, "cursor grabbing not supported!");
+        warn = 1;
+    }
+}
+
+static void tc_x11source_init_cursor(TCX11Source *handle)
+{
+    /* sane default if we don't have any better */
+    handle->acquire_cursor = tc_x11source_acquire_cursor_plain;
+#ifdef HAVE_X11_FIXES
+    handle->acquire_cursor = tc_x11source_acquire_cursor_fixes;
+#endif
+}
+
+/*************************************************************************/
+
+int tc_x11source_is_display_name(const char *name)
+{
+    if (name != NULL && strlen(name) != 0) {
+        uint32_t disp, screen;
+        int ret = sscanf(name, ":%u.%u", &disp, &screen);
+        if (ret == 2) {
+            /* looks like a display specifier */
+            return TC_TRUE;
+        }
+    }
+    return TC_FALSE;
+}
+
+int tc_x11source_probe(TCX11Source *handle, ProbeInfo *info)
+{
+    if (handle != NULL && info != NULL) {
+        info->width = handle->width;
+        info->height = handle->height;
+        info->codec = handle->out_fmt;
+        info->magic = TC_MAGIC_X11; /* enforce */
+        info->asr = 1; /* force 1:1 ASR (XXX) */
+        /* FPS/FRC MUST BE choosed by user; that's only a kind suggestion */
+        info->fps = 10.0;
+        tc_frc_code_from_value(&info->frc, info->fps);
+        
+        info->num_tracks = 0; /* no audio, here */
+        return 0;
+    }
+
+    return 1;
+}
+
+/*************************************************************************/
+
+static int tc_x11source_acquire_image_plain(TCX11Source *handle,
+                                           uint8_t *data, int maxdata)
+{
+    int size = -1;
+
+    /* but draw such areas if windows are opaque */
+    /* FIXME: switch to XCreateImage? */
+    handle->image = XGetImage(handle->dpy, handle->pix, 0, 0, 
+                              handle->width, handle->height,
+                              AllPlanes, ZPixmap);
+
+    if (handle->image == NULL || handle->image->data == NULL) {
+        tc_log_error(__FILE__, "cannot get X image");
+    } else {
+        size = (int)tc_video_frame_size(handle->image->width,
+                                        handle->image->height,
+                                        handle->out_fmt);
+        if (size <= maxdata) {
+            tcv_convert(handle->tcvhandle, handle->image->data, data,
+                        handle->image->width, handle->image->height,
+                        IMG_BGRA32, handle->conv_fmt);
+        } else {
+            size = 0;
+        }
+        XDestroyImage(handle->image);
+    }
+    return size;
+}
+
+static int tc_x11source_fini_plain(TCX11Source *handle)
+{
+    return 0;
+}
+
+static int tc_x11source_init_plain(TCX11Source *handle)
+{
+    handle->acquire_image = tc_x11source_acquire_image_plain;
+    handle->fini = tc_x11source_fini_plain;
+    return 0;
+}
+
+
+/*************************************************************************/
+
+#ifdef HAVE_X11_SHM
+
+static int tc_x11source_acquire_image_shm(TCX11Source *handle,
+                                          uint8_t *data, int maxdata)
+{
+    int size = -1;
+    Status ret;
+
+    /* but draw such areas if windows are opaque */
+    ret = XShmGetImage(handle->dpy, handle->pix, handle->image,
+                       0, 0, AllPlanes);
+
+    if (!ret || handle->image == NULL || handle->image->data == NULL) {
+        tc_log_error(__FILE__, "cannot get X image (using SHM)");
+    } else {
+        size = (int)tc_video_frame_size(handle->image->width,
+                                        handle->image->height,
+                                        handle->out_fmt);
+        if (size <= maxdata) {
+            tcv_convert(handle->tcvhandle, handle->image->data, data,
+                        handle->image->width, handle->image->height,
+                        IMG_BGRA32, handle->conv_fmt);
+        } else {
+            size = 0;
+        }
+    }
+    return size;
+}
+
+static int tc_x11source_fini_shm(TCX11Source *handle)
+{
+    Status ret = XShmDetach(handle->dpy, &handle->shm_info);
+    if (!ret) { /* XXX */
+        tc_log_error(__FILE__, "failed to attach SHM from Xserver");
+        return -1;
+    }
+    XDestroyImage(handle->image);
+    handle->image = NULL;
+
+    XSync(handle->dpy, False); /* XXX */
+    if (shmdt(handle->shm_info.shmaddr) != 0) {
+        tc_log_error(__FILE__, "failed to destroy shared memory segment");
+        return -1;
+    }
+    return 0;
+}
+
+static int tc_x11source_init_shm(TCX11Source *handle)
+{
+    Status ret;
+
+    ret = XMatchVisualInfo(handle->dpy, handle->screen, handle->depth,
+                           DirectColor, &handle->vis_info);
+    if (!ret) {
+        tc_log_error(__FILE__, "Can't match visual information");
+        goto xshm_failed;
+    }
+    handle->image = XShmCreateImage(handle->dpy, handle->vis_info.visual,
+                                    handle->depth, ZPixmap,
+                                    NULL, &handle->shm_info,
+                                    handle->width, handle->height);
+    if (handle->image == NULL) {
+        tc_log_error(__FILE__, "XShmCreateImage failed.");
+        goto xshm_failed_image;
+    }
+    handle->shm_info.shmid = shmget(IPC_PRIVATE,
+                                    handle->image->bytes_per_line * handle->image->height,
+                                    IPC_CREAT | 0777);
+    if (handle->shm_info.shmid < 0) {
+        tc_log_error(__FILE__, "failed to create shared memory segment");
+        goto xshm_failed_image;
+    }
+    handle->shm_info.shmaddr = shmat(handle->shm_info.shmid, NULL, 0);
+    if (handle->shm_info.shmaddr == (void*)-1) {
+        tc_log_error(__FILE__, "failed to attach shared memory segment");
+        goto xshm_failed_image;
+    }
+    
+    shmctl(handle->shm_info.shmid, IPC_RMID, 0); /* XXX */
+
+    handle->image->data = handle->shm_info.shmaddr;
+    handle->shm_info.readOnly = False;
+
+    ret = XShmAttach(handle->dpy, &handle->shm_info);
+    if (!ret) {
+        tc_log_error(__FILE__, "failed to attach SHM to Xserver");
+        goto xshm_failed_image;
+    }
+
+    XSync(handle->dpy, False);
+    handle->mode = TC_X11_MODE_SHM;
+    handle->acquire_image = tc_x11source_acquire_image_shm;
+    handle->fini = tc_x11source_fini_shm;
+
+    return 0;
+
+xshm_failed_image:
+    XDestroyImage(handle->image);
+    handle->image = NULL;
+xshm_failed:
+    return -1;
+}
+
+/*************************************************************************/
+
+#endif /* X11_SHM */
+
+static int tc_x11source_map_format(TCX11Source *handle, uint32_t format)
+{
+    int ret = -1;
+
+    if (handle != NULL) {
+        ret = 0;
+        switch (format) {
+          case CODEC_RGB: /* compatibility */
+          case TC_CODEC_RGB:
+            handle->out_fmt = TC_CODEC_RGB;
+            handle->conv_fmt = IMG_RGB24;
+            if (verbose >= TC_DEBUG) {
+                tc_log_info(__FILE__, "output colorspace: RGB24");
+            }
+            break;
+          case CODEC_YUV: /* compatibility */
+          case TC_CODEC_YUV420P:
+            handle->out_fmt = TC_CODEC_YUV420P;
+            handle->conv_fmt = IMG_YUV420P;
+            if (verbose >= TC_DEBUG) {
+                tc_log_info(__FILE__, "output colorspace: YUV420P");
+            }
+            break;
+          case CODEC_YUV422: /* compatibility */
+          case TC_CODEC_YUV422P:
+            handle->out_fmt = TC_CODEC_YUV422P;
+            handle->conv_fmt = IMG_YUV422P;
+            if (verbose >= TC_DEBUG) {
+                tc_log_info(__FILE__, "output colorspace: YUV4222");
+            }
+            break;
+          default:
+            tc_log_error(__FILE__, "unknown colorspace requested: 0x%x",
+                         format);
+            ret = -1;
+        }
+    }
+    return ret;
+}
+
+int tc_x11source_acquire(TCX11Source *handle, uint8_t *data, int maxdata)
+{
+    int size = -1;
+
+    if (handle == NULL || data == NULL || maxdata <= 0) {
+        tc_log_error(__FILE__, "x11source_acquire: wrong (NULL) parameters");
+        return size;
+    }
+
+    XLockDisplay(handle->dpy);
+    /* OK, let's hack a bit our GraphicContext */
+    XSetSubwindowMode(handle->dpy, handle->gc, IncludeInferiors);
+    /* don't catch areas of windows covered by children windows */
+    XCopyArea(handle->dpy, handle->root, handle->pix, handle->gc,
+              0, 0, handle->width, handle->height, 0, 0);
+
+    XSetSubwindowMode(handle->dpy, handle->gc, ClipByChildren);
+    /* but draw such areas if windows are opaque */
+    
+    size = handle->acquire_image(handle, data, maxdata);
+    if (size > 0) {
+        handle->acquire_cursor(handle, data, maxdata); /* cannot fail */
+    }
+    XUnlockDisplay(handle->dpy);
+    return size;
+}
+
+int tc_x11source_close(TCX11Source *handle)
+{
+    if (handle != NULL) {
+        if (handle->dpy != NULL) {
+            int ret = handle->fini(handle);
+            if (ret != 0) {
+                return ret;
+            }
+
+            tcv_free(handle->tcvhandle);
+
+            XFreePixmap(handle->dpy, handle->pix); /* XXX */
+            XFreeGC(handle->dpy, handle->gc); /* XXX */
+
+            ret = XCloseDisplay(handle->dpy);
+            if (ret == 0) {
+                handle->dpy = NULL;
+            } else {
+                tc_log_error(__FILE__, "XCloseDisplay() failed: %i", ret);
+                return -1;
+            }
+        }
+    }
+    return 0;
+}
+
+int tc_x11source_open(TCX11Source *handle, const char *display,
+                      int mode, uint32_t format)
+{
+    XWindowAttributes winfo;
+    Status ret;
+    int err;
+
+    if (handle == NULL) {
+        return 1;
+    }
+    err = tc_x11source_map_format(handle, format);
+    if (err != 0) {
+        return err;
+    }
+
+    handle->mode = mode;
+    handle->dpy = XOpenDisplay(display);
+    if (handle->dpy == NULL) {
+        tc_log_error(__FILE__, "failed to open display %s",
+                     (display != NULL) ?display :"default");
+        goto open_failed;
+    }
+
+    handle->screen = DefaultScreen(handle->dpy);
+    handle->root = RootWindow(handle->dpy, handle->screen);
+    /* Get the parameters of the root winfow */
+    ret = XGetWindowAttributes(handle->dpy, handle->root, &winfo);
+    if (!ret) {
+        tc_log_error(__FILE__, "failed to get root window attributes");
+        goto link_failed;
+    }
+
+    handle->width = winfo.width;
+    handle->height = winfo.height;
+    handle->depth = winfo.depth;
+
+    if (handle->depth != 24) { /* XXX */
+        tc_log_error(__FILE__, "Non-truecolor display depth"
+                               " not supported. Yet.");
+        goto link_failed;
+    }
+
+    if (verbose >= TC_STATS) {
+        tc_log_info(__FILE__, "display properties: %ix%i@%i", 
+                    handle->width, handle->height, handle->depth);
+    }
+
+    handle->pix = XCreatePixmap(handle->dpy, handle->root,
+                                handle->width, handle->height,
+                                handle->depth); /* XXX */
+    if (!handle->pix) {
+        tc_log_error(__FILE__, "Can't allocate Pixmap");
+        goto pix_failed;
+    }
+ 
+    handle->gc = XCreateGC(handle->dpy, handle->root, 0, 0);
+    /* FIXME: what about failures? */
+
+    handle->tcvhandle = tcv_init();
+    if (!handle->tcvhandle)
+        goto tcv_failed;
+
+    tc_x11source_init_cursor(handle); /* cannot fail */
+
+#ifdef HAVE_X11_SHM
+    if (XShmQueryExtension(handle->dpy) != 0
+      && (mode & TC_X11_MODE_SHM)) {
+        if (tc_x11source_init_shm(handle) < 0)
+            goto init_failed;
+    } else
+#endif /* X11_SHM */
+    if (tc_x11source_init_plain(handle) < 0)
+        goto init_failed;
+    return 0;
+
+  init_failed:
+    tcv_free(handle->tcvhandle);
+  tcv_failed:
+    XFreeGC(handle->dpy, handle->gc);
+    XFreePixmap(handle->dpy, handle->pix);
+  pix_failed:
+  link_failed:
+    XCloseDisplay(handle->dpy);
+  open_failed:
+    return -1;
+}
+
+
+#else /* HAVE_X11 */
+
+
+int tc_x11source_open(TCX11Source *handle, const char *display,
+                      int mode, uint32_t format)
+{
+    tc_log_error(__FILE__, "X11 support unavalaible");
+    return -1;
+}
+
+int tc_x11source_close(TCX11Source *handle)
+{
+    tc_log_error(__FILE__, "X11 support unavalaible");
+    return 0;
+}
+
+int tc_x11source_probe(TCX11Source *handle, ProbeInfo *info)
+{
+    tc_log_error(__FILE__, "X11 support unavalaible");
+    return -1;
+}
+
+int tc_x11source_acquire(TCX11Source *handle, uint8_t *data, int maxdata)
+{
+    tc_log_error(__FILE__, "X11 support unavalaible");
+    return -1;
+}
+
+int tc_x11source_is_display_name(const char *name)
+{
+    return TC_FALSE;
+}
+
+#endif /* HAVE_X11 */
+
+/*************************************************************************/
+
+/*
+ * Local variables:
+ *   c-file-style: "stroustrup"
+ *   c-file-offsets: ((case-label . *) (statement-case-intro . *))
+ *   indent-tabs-mode: nil
+ * End:
+ *
+ * vim: expandtab shiftwidth=4:
+ */