Fix various video bugs; it should be working now!

src/audio_call.c

@@ -265,11 +265,6 @@ void call_cb(ToxAV *av, uint32_t friend_number, bool audio_enabled, bool video_e
 {
     Tox *m = (Tox *) user_data;
     CallControl.pending_call = true;
-
-    if (video_enabled)
-        /* FIXME enable video calls */
-        toxav_call_control(av, friend_number, TOXAV_CALL_CONTROL_CANCEL, NULL);
-    else if (audio_enabled)
     callback_recv_invite(m, friend_number);
 }
 
@@ -573,7 +568,12 @@ on_error:
 
 void cmd_hangup(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
 {
-    const char *error_str;
+    const char *error_str = NULL;
+
+    if ( !self->is_call) {
+        error_str = "Not in a call.";
+        goto on_error;
+    }
 
     if ( argc != 0 ) {
         error_str = "Unknown arguments.";

src/chat.c

@@ -49,6 +49,9 @@
 
 #ifdef AUDIO
     #include "audio_call.h"
+#ifdef VIDEO
+    #include "video_call.h"
+#endif  /* VIDEO */
 #endif  /* AUDIO */
 
 extern char *DATA_FILE;
@@ -63,9 +66,9 @@ static void kill_infobox(ToxWindow *self);
 #endif  /* AUDIO */
 
 #ifdef AUDIO
-#define AC_NUM_CHAT_COMMANDS 29
+#define AC_NUM_CHAT_COMMANDS 30
 #else
-#define AC_NUM_CHAT_COMMANDS 22
+#define AC_NUM_CHAT_COMMANDS 23
 #endif /* AUDIO */
 
 /* Array of chat command names used for tab completion. */
@@ -92,6 +95,7 @@ static const char chat_cmd_list[AC_NUM_CHAT_COMMANDS][MAX_CMDNAME_SIZE] = {
     { "/savefile"   },
     { "/sendfile"   },
     { "/status"     },
+    { "/video"      },
 
 #ifdef AUDIO
 
@@ -128,8 +132,11 @@ void kill_chat_window(ToxWindow *self, Tox *m)
     cqueue_cleanup(ctx->cqueue);
 
 #ifdef AUDIO
+#ifdef VIDEO
+    stop_video_stream(self);
+#endif  /* VIDEO */
     stop_current_call(self);
-#endif
+#endif  /* AUDIO */
 
     delwin(ctx->linewin);
     delwin(ctx->history);

src/global_commands.c

@@ -444,7 +444,7 @@ void cmd_myqr(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MA
     nick[nick_len] = '\0';
 
     size_t data_file_len = strlen(DATA_FILE);
-    char dir[data_file_len];
+    char dir[data_file_len + 1];
     size_t dir_len = get_base_dir(DATA_FILE, data_file_len, dir);
 
     char qr_path[dir_len + nick_len + strlen(QRCODE_FILENAME_EXT) + 1];

src/misc_tools.c

@@ -282,12 +282,15 @@ size_t get_file_name(char *namebuf, size_t bufsize, const char *pathname)
 }
 
 /* Gets the base directory of path and puts it in dir.
- * dir must have at least as much space as path_len.
+ * dir must have at least as much space as path_len + 1.
  *
  * Returns the length of the base directory.
  */
 size_t get_base_dir(const char *path, size_t path_len, char *dir)
 {
+    if (path_len == 0 || path == NULL)
+        return 0;
+
     size_t dir_len = char_rfind(path, '/', path_len);
 
     if (dir_len != 0 && dir_len < path_len)

src/toxic.c

@@ -153,11 +153,9 @@ void exit_toxic_success(Tox *m)
     terminate_notify();
 
 #ifdef AUDIO
-
 #ifdef VIDEO
     terminate_video();
 #endif /* VIDEO */
-
     terminate_audio();
 #endif /* AUDIO */
 

src/video_call.c

@@ -132,6 +132,7 @@ int start_video_transmission(ToxWindow *self, ToxAV *av, Call *call)
     }
 
     CallControl.video_bit_rate = default_video_bit_rate;
+
     if ( toxav_bit_rate_set(CallControl.av, self->num, -1, CallControl.video_bit_rate, NULL) == false ) {
         line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to set video bit rate");
         return -1;
@@ -142,8 +143,10 @@ int start_video_transmission(ToxWindow *self, ToxAV *av, Call *call)
         return -1;
     }
 
-    if ( register_video_device_callback(self->num, call->vin_idx, read_video_device_callback, &self->num) != vde_None )
+    if ( register_video_device_callback(self->num, call->vin_idx, read_video_device_callback, &self->num) != vde_None ) {
         line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Failed to register input video handler!");
+        return -1;
+    }
 
     return 0;
 }
@@ -189,14 +192,12 @@ void video_bit_rate_status_cb(ToxAV *av, uint32_t friend_number, uint32_t audio_
 
 void callback_recv_video_starting(uint32_t friend_number)
 {
+    Call* this_call = &CallControl.calls[friend_number];
+
+    if ( this_call->vout_idx != -1 )
         return;
 
-    // Call* this_call = &CallControl.calls[friend_number];
+    open_primary_video_device(vdt_output, &this_call->vout_idx);
-
-    // if ( this_call->vout_idx != -1 )
-    //     return;
-
-    // open_primary_video_device(vdt_output, &this_call->vout_idx);
 }
 void callback_recv_video_end(uint32_t friend_number)
 {
@@ -214,7 +215,7 @@ void callback_video_starting(uint32_t friend_number)
     toxav_call_control(CallControl.av, friend_number, TOXAV_CALL_CONTROL_SHOW_VIDEO, &error);
 
     if (error == TOXAV_ERR_CALL_CONTROL_OK) {
-        int i;
+        size_t i;
         for (i = 0; i < MAX_WINDOWS_NUM; ++i) {
             if ( windows[i].is_call && windows[i].num == friend_number ) {
                 if ( 0 != start_video_transmission(&windows[i], CallControl.av, this_call) ) {
@@ -242,39 +243,37 @@ void callback_video_end(uint32_t friend_number)
  */
 void cmd_video(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
 {
-    return;  // TODO: Fix video
+    const char *error_str;
+    Call* this_call = &CallControl.calls[self->num];
 
-//     const char *error_str;
+    if ( argc != 0 ) {
-//     Call* this_call = &CallControl.calls[self->num];
+        error_str = "Unknown arguments.";
+        goto on_error;
+    }
 
-//     if ( argc != 0 ) {
+    if ( !CallControl.av ) {
-//         error_str = "Unknown arguments.";
+        error_str = "ToxAV not supported!";
-//         goto on_error;
+        goto on_error;
-//     }
+    }
 
-//     if ( !CallControl.av ) {
+    if ( !self->stb->connection ) {
-//         error_str = "ToxAV not supported!";
+        error_str = "Friend is offline.";
-//         goto on_error;
+        goto on_error;
-//     }
+    }
 
-//     if ( !self->stb->connection ) {
+    if ( !self->is_call ) {
-//         error_str = "Friend is offline.";
+        error_str = "Not in call!";
-//         goto on_error;
+        goto on_error;
-//     }
+    }
 
-//     if ( !self->is_call ) {
+    if ( this_call->vin_idx == -1 )
-//         error_str = "Not in call!";
+        callback_video_starting(self->num);
-//         goto on_error;
+    else
-//     }
+        callback_video_end(self->num);
 
-//     if ( this_call->vin_idx == -1 )
+    return;
-//         callback_video_starting(self->num);
+on_error:
-//     else
+    print_err (self, error_str);
-//         callback_video_end(self->num);
-
-//     return;
-// on_error:
-//     print_err (self, error_str);
 }
 
 void cmd_list_video_devices(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
@@ -414,3 +413,11 @@ void cmd_ccur_video_device(WINDOW *window, ToxWindow *self, Tox *m, int argc, ch
     on_error:
     print_err (self, error_str);
 }
+
+void stop_video_stream(ToxWindow *self)
+{
+    Call *this_call = &CallControl.calls[self->num];
+
+    if (this_call && this_call->vin_idx != -1)
+        stop_video_transmission(this_call, self->num);
+}

src/video_call.h

@@ -34,6 +34,7 @@ ToxAV *init_video(ToxWindow *self, Tox *tox);
 void terminate_video();
 int start_video_transmission(ToxWindow *self, ToxAV *av, Call *call);
 int stop_video_transmission(Call *call, int friend_number);
+void stop_video_stream(ToxWindow *self);
 
 void callback_recv_video_starting(uint32_t friend_number);
 void callback_recv_video_end(uint32_t friend_number);

src/video_device.c

@@ -50,7 +50,6 @@
 #include <pthread.h>
 #include <unistd.h>
 #include <stdlib.h>
-#include <assert.h>
 
 #define inline__ inline __attribute__((always_inline))
 
@@ -300,16 +299,24 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
 
     lock;
 
-    uint32_t i;
+    uint32_t i, temp_idx = -1;
-    for (i = 0; i < MAX_DEVICES && video_devices_running[type][i]; ++i);
 
-    if (i == MAX_DEVICES) { unlock; return vde_AllDevicesBusy; }
+    for (i = 0; i < MAX_DEVICES; ++i) {
-    else *device_idx = i;
+        if ( !video_devices_running[type][i] ) {
+            temp_idx = i;
+            break;
+        }
+    }
+
+    if (temp_idx == -1) {
+        unlock;
+        return vde_AllDevicesBusy;
+    }
 
     for (i = 0; i < MAX_DEVICES; i ++) { /* Check if any device has the same selection */
         if ( video_devices_running[type][i] && video_devices_running[type][i]->selection == selection ) {
 
-            video_devices_running[type][*device_idx] = video_devices_running[type][i];
+            video_devices_running[type][temp_idx] = video_devices_running[type][i];
             video_devices_running[type][i]->ref_count++;
 
             unlock;
@@ -317,7 +324,7 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
         }
     }
 
-    VideoDevice* device = video_devices_running[type][*device_idx] = calloc(1, sizeof(VideoDevice));
+    VideoDevice* device = video_devices_running[type][temp_idx] = calloc(1, sizeof(VideoDevice));
     device->selection = selection;
 
     if ( pthread_mutex_init(device->mutex, NULL) != 0 ) {
@@ -336,6 +343,7 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
 
         device->fd = open(device_address, O_RDWR);
         if ( device->fd == -1 ) {
+            unlock;
             return vde_FailedStart;
         }
 
@@ -344,7 +352,7 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
         if ( -1 == xioctl(device->fd, VIDIOC_QUERYCAP, &cap) ) {
             close(device->fd);
             free(device);
-
+            unlock;
             return vde_FailedStart;
         }
 
@@ -357,7 +365,7 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
         if( -1 == xioctl(device->fd, VIDIOC_G_FMT, &fmt) ) {
             close(device->fd);
             free(device);
-
+            unlock;
             return vde_FailedStart;
         }
 
@@ -373,14 +381,14 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
         if ( -1 == xioctl(device->fd, VIDIOC_REQBUFS, &req) ) {
             close(device->fd);
             free(device);
-
+            unlock;
             return vde_FailedStart;
         }
 
         if ( req.count < 2 ) {
             close(device->fd);
             free(device);
-
+            unlock;
             return vde_FailedStart;
         }
 
@@ -397,7 +405,7 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
             if ( -1 == xioctl(device->fd, VIDIOC_QUERYBUF, &buf) ) {
                 close(device->fd);
                 free(device);
-
+                unlock;
                 return vde_FailedStart;
             }
 
@@ -413,7 +421,7 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
                     munmap(device->buffers[i].start, device->buffers[i].length);
                 close(device->fd);
                 free(device);
-
+                unlock;
                 return vde_FailedStart;
             }
         }
@@ -434,7 +442,7 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
                     munmap(device->buffers[i].start, device->buffers[i].length);
                 close(device->fd);
                 free(device);
-
+                unlock;
                 return vde_FailedStart;
             }
         }
@@ -443,23 +451,23 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
 
         /* Turn on video stream */
         if ( -1 == xioctl(device->fd, VIDIOC_STREAMON, &type) ) {
-            close_video_device(vdt_input, *device_idx);
+            close_video_device(vdt_input, temp_idx);
-
+            unlock;
             return vde_FailedStart;
         }
 
 #else /* __OSX__ */
         if ( osx_video_open_device(selection, &device->video_width, &device->video_height) != 0 ) {
             free(device);
-
+            unlock;
             return vde_FailedStart;
         }
 #endif
 
         /* Create X11 window associated to device */
         if ( (device->x_display = XOpenDisplay(NULL)) == NULL ) {
-            close_video_device(vdt_input, *device_idx);
+            close_video_device(vdt_input, temp_idx);
-
+            unlock;
             return vde_FailedStart;
         }
 
@@ -468,8 +476,8 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
         if ( !(device->x_window = XCreateSimpleWindow(device->x_display, RootWindow(device->x_display, screen), 0, 0,
                     device->video_width, device->video_height, 0, BlackPixel(device->x_display, screen),
                     BlackPixel(device->x_display, screen))) ) {
-            close_video_device(vdt_input, *device_idx);
+            close_video_device(vdt_input, temp_idx);
-
+            unlock;
             return vde_FailedStart;
         }
 
@@ -477,8 +485,8 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
         XSelectInput(device->x_display, device->x_window, ExposureMask|ButtonPressMask|KeyPressMask);
 
         if ( (device->x_gc = DefaultGC(device->x_display, screen)) == NULL ) {
-            close_video_device(vdt_input, *device_idx);
+            close_video_device(vdt_input, temp_idx);
-
+            unlock;
             return vde_FailedStart;
         }
 
@@ -498,8 +506,8 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
 
         /* Create X11 window associated to device */
         if ( (device->x_display = XOpenDisplay(NULL)) == NULL ) {
-            close_video_device(vdt_output, *device_idx);
+            close_video_device(vdt_output, temp_idx);
-
+            unlock;
             return vde_FailedStart;
         }
 
@@ -507,8 +515,8 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
 
         if ( !(device->x_window = XCreateSimpleWindow(device->x_display, RootWindow(device->x_display, screen), 0, 0,
                     100, 100, 0, BlackPixel(device->x_display, screen), BlackPixel(device->x_display, screen))) ) {
-            close_video_device(vdt_output, *device_idx);
+            close_video_device(vdt_output, temp_idx);
-
+            unlock;
             return vde_FailedStart;
         }
 
@@ -516,8 +524,8 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
         XSelectInput(device->x_display, device->x_window, ExposureMask|ButtonPressMask|KeyPressMask);
 
         if ( (device->x_gc = DefaultGC(device->x_display, screen)) == NULL ) {
-            close_video_device(vdt_output, *device_idx);
+            close_video_device(vdt_output, temp_idx);
-
+            unlock;
             return vde_FailedStart;
         }
 
@@ -533,7 +541,9 @@ VideoDeviceError open_video_device(VideoDeviceType type, int32_t selection, uint
         vpx_img_alloc(&device->input, VPX_IMG_FMT_I420, device->video_width, device->video_height, 1);
     }
 
+    *device_idx = temp_idx;
     unlock;
+
     return vde_None;
 }