Attempt to log message only in verbose mode

If the log level is not verbose, there is no need to attept to log
control messages at all.

README.md

@@ -303,7 +303,8 @@ To start scrcpy using a v4l2 sink:
 
 ```bash
 scrcpy --v4l2-sink=/dev/videoN
-scrcpy --v4l2-sink=/dev/videoN -N  # --no-display to disable mirroring window
+scrcpy --v4l2-sink=/dev/videoN --no-display  # disable mirroring window
+scrcpy --v4l2-sink=/dev/videoN -N            # short version
 ```
 
 (replace `N` by the device ID, check with `ls /dev/video*`)
@@ -709,15 +710,15 @@ There is no visual feedback, a log is printed to the console.
 
 #### Push file to device
 
-To push a file to `/sdcard/` on the device, drag & drop a (non-APK) file to the
-_scrcpy_ window.
+To push a file to `/sdcard/Download/` on the device, drag & drop a (non-APK)
+file to the _scrcpy_ window.
 
 There is no visual feedback, a log is printed to the console.
 
 The target directory can be changed on start:
 
 ```bash
-scrcpy --push-target=/sdcard/Download/
+scrcpy --push-target=/sdcard/Movies/
 ```
 
 

app/meson.build

@@ -20,6 +20,7 @@ src = [
     'src/stream.c',
     'src/tiny_xpm.c',
     'src/video_buffer.c',
+    'src/util/log.c',
     'src/util/net.c',
     'src/util/process.c',
     'src/util/str_util.c',

app/scrcpy.1

@@ -133,7 +133,7 @@ but breaks the expected behavior of alpha keys in games (typically WASD).
 .BI "\-\-push\-target " path
 Set the target directory for pushing files to the device by drag & drop. It is passed as\-is to "adb push".
 
-Default is "/sdcard/".
+Default is "/sdcard/Download/".
 
 .TP
 .BI "\-r, \-\-record " file
@@ -193,7 +193,7 @@ It requires to lock the video orientation (see --lock-video-orientation).
 
 .TP
 .BI "\-V, \-\-verbosity " value
-Set the log level ("debug", "info", "warn" or "error").
+Set the log level ("verbose", "debug", "info", "warn" or "error").
 
 Default is "info" for release builds, "debug" for debug builds.
 

app/src/cli.c

@@ -129,7 +129,7 @@ scrcpy_print_usage(const char *arg0) {
         "    --push-target path\n"
         "        Set the target directory for pushing files to the device by\n"
         "        drag & drop. It is passed as-is to \"adb push\".\n"
-        "        Default is \"/sdcard/\".\n"
+        "        Default is \"/sdcard/Download/\".\n"
         "\n"
         "    -r, --record file.mp4\n"
         "        Record screen to file.\n"
@@ -184,7 +184,7 @@ scrcpy_print_usage(const char *arg0) {
         "\n"
 #endif
         "    -V, --verbosity value\n"
-        "        Set the log level (debug, info, warn or error).\n"
+        "        Set the log level (verbose, debug, info, warn or error).\n"
 #ifndef NDEBUG
         "        Default is debug.\n"
 #else
@@ -505,6 +505,11 @@ parse_display_id(const char *s, uint32_t *display_id) {
 
 static bool
 parse_log_level(const char *s, enum sc_log_level *log_level) {
+    if (!strcmp(s, "verbose")) {
+        *log_level = SC_LOG_LEVEL_VERBOSE;
+        return true;
+    }
+
     if (!strcmp(s, "debug")) {
         *log_level = SC_LOG_LEVEL_DEBUG;
         return true;

app/src/control_msg.c

@@ -1,6 +1,7 @@
 #include "control_msg.h"
 
 #include <assert.h>
+#include <inttypes.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -8,6 +9,52 @@
 #include "util/log.h"
 #include "util/str_util.h"
 
+/**
+ * Map an enum value to a string based on an array, without crashing on an
+ * out-of-bounds index.
+ */
+#define ENUM_TO_LABEL(labels, value) \
+    ((size_t) (value) < ARRAY_LEN(labels) ? labels[value] : "???")
+
+#define KEYEVENT_ACTION_LABEL(value) \
+    ENUM_TO_LABEL(android_keyevent_action_labels, value)
+
+#define MOTIONEVENT_ACTION_LABEL(value) \
+    ENUM_TO_LABEL(android_motionevent_action_labels, value)
+
+#define SCREEN_POWER_MODE_LABEL(value) \
+    ENUM_TO_LABEL(screen_power_mode_labels, value)
+
+static const char *const android_keyevent_action_labels[] = {
+    "down",
+    "up",
+    "multi",
+};
+
+static const char *const android_motionevent_action_labels[] = {
+    "down",
+    "up",
+    "move",
+    "cancel",
+    "outside",
+    "ponter-down",
+    "pointer-up",
+    "hover-move",
+    "scroll",
+    "hover-enter"
+    "hover-exit",
+    "btn-press",
+    "btn-release",
+};
+
+static const char *const screen_power_mode_labels[] = {
+    "off",
+    "doze",
+    "normal",
+    "doze-suspend",
+    "suspend",
+};
+
 static void
 write_position(uint8_t *buf, const struct position *position) {
     buffer_write32be(&buf[0], position->point.x);
@@ -93,6 +140,94 @@ control_msg_serialize(const struct control_msg *msg, unsigned char *buf) {
     }
 }
 
+void
+control_msg_log(const struct control_msg *msg) {
+#define LOG_CMSG(fmt, ...) LOGV("input: " fmt, ## __VA_ARGS__)
+    switch (msg->type) {
+        case CONTROL_MSG_TYPE_INJECT_KEYCODE:
+            LOG_CMSG("key %-4s code=%d repeat=%" PRIu32 " meta=%06lx",
+                     KEYEVENT_ACTION_LABEL(msg->inject_keycode.action),
+                     (int) msg->inject_keycode.keycode,
+                     msg->inject_keycode.repeat,
+                     (long) msg->inject_keycode.metastate);
+            break;
+        case CONTROL_MSG_TYPE_INJECT_TEXT:
+            LOG_CMSG("text \"%s\"", msg->inject_text.text);
+            break;
+        case CONTROL_MSG_TYPE_INJECT_TOUCH_EVENT: {
+            int action = msg->inject_touch_event.action
+                       & AMOTION_EVENT_ACTION_MASK;
+            uint64_t id = msg->inject_touch_event.pointer_id;
+            if (id == POINTER_ID_MOUSE || id == POINTER_ID_VIRTUAL_FINGER) {
+                // string pointer id
+                LOG_CMSG("touch [id=%s] %-4s position=%" PRIi32 ",%" PRIi32
+                             " pressure=%g buttons=%06lx",
+                         id == POINTER_ID_MOUSE ? "mouse" : "vfinger",
+                         MOTIONEVENT_ACTION_LABEL(action),
+                         msg->inject_touch_event.position.point.x,
+                         msg->inject_touch_event.position.point.y,
+                         msg->inject_touch_event.pressure,
+                         (long) msg->inject_touch_event.buttons);
+            } else {
+                // numeric pointer id
+#ifndef __WIN32
+# define PRIu64_ PRIu64
+#else
+# define PRIu64_ "I64u"  // Windows...
+#endif
+                LOG_CMSG("touch [id=%" PRIu64_ "] %-4s position=%" PRIi32 ",%"
+                             PRIi32 " pressure=%g buttons=%06lx",
+                         id,
+                         MOTIONEVENT_ACTION_LABEL(action),
+                         msg->inject_touch_event.position.point.x,
+                         msg->inject_touch_event.position.point.y,
+                         msg->inject_touch_event.pressure,
+                         (long) msg->inject_touch_event.buttons);
+            }
+            break;
+        }
+        case CONTROL_MSG_TYPE_INJECT_SCROLL_EVENT:
+            LOG_CMSG("scroll position=%" PRIi32 ",%" PRIi32 " hscroll=%" PRIi32
+                         " vscroll=%" PRIi32,
+                     msg->inject_scroll_event.position.point.x,
+                     msg->inject_scroll_event.position.point.y,
+                     msg->inject_scroll_event.hscroll,
+                     msg->inject_scroll_event.vscroll);
+            break;
+        case CONTROL_MSG_TYPE_BACK_OR_SCREEN_ON:
+            LOG_CMSG("back-or-screen-on %s",
+                     KEYEVENT_ACTION_LABEL(msg->inject_keycode.action));
+            break;
+        case CONTROL_MSG_TYPE_SET_CLIPBOARD:
+            LOG_CMSG("clipboard %s \"%s\"",
+                     msg->set_clipboard.paste ? "paste" : "copy",
+                     msg->set_clipboard.text);
+            break;
+        case CONTROL_MSG_TYPE_SET_SCREEN_POWER_MODE:
+            LOG_CMSG("power mode %s",
+                     SCREEN_POWER_MODE_LABEL(msg->set_screen_power_mode.mode));
+            break;
+        case CONTROL_MSG_TYPE_EXPAND_NOTIFICATION_PANEL:
+            LOG_CMSG("expand notification panel");
+            break;
+        case CONTROL_MSG_TYPE_EXPAND_SETTINGS_PANEL:
+            LOG_CMSG("expand settings panel");
+            break;
+        case CONTROL_MSG_TYPE_COLLAPSE_PANELS:
+            LOG_CMSG("collapse panels");
+            break;
+        case CONTROL_MSG_TYPE_GET_CLIPBOARD:
+            LOG_CMSG("get clipboard");
+            break;
+        case CONTROL_MSG_TYPE_ROTATE_DEVICE:
+            LOG_CMSG("rotate device");
+            break;
+        default:
+            LOG_CMSG("unknown type: %u", (unsigned) msg->type);
+            break;
+    }
+}
+
 void
 control_msg_destroy(struct control_msg *msg) {
     switch (msg->type) {

app/src/control_msg.h

@@ -17,8 +17,8 @@
 // type: 1 byte; paste flag: 1 byte; length: 4 bytes
 #define CONTROL_MSG_CLIPBOARD_TEXT_MAX_LENGTH (CONTROL_MSG_MAX_SIZE - 6)
 
-#define POINTER_ID_MOUSE UINT64_C(-1);
-#define POINTER_ID_VIRTUAL_FINGER UINT64_C(-2);
+#define POINTER_ID_MOUSE UINT64_C(-1)
+#define POINTER_ID_VIRTUAL_FINGER UINT64_C(-2)
 
 enum control_msg_type {
     CONTROL_MSG_TYPE_INJECT_KEYCODE,
@@ -84,6 +84,9 @@ struct control_msg {
 size_t
 control_msg_serialize(const struct control_msg *msg, unsigned char *buf);
 
+void
+control_msg_log(const struct control_msg *msg);
+
 void
 control_msg_destroy(struct control_msg *msg);
 

app/src/controller.c

@@ -48,6 +48,10 @@ controller_destroy(struct controller *controller) {
 bool
 controller_push_msg(struct controller *controller,
                       const struct control_msg *msg) {
+    if (sc_get_log_level() <= SC_LOG_LEVEL_VERBOSE) {
+        control_msg_log(msg);
+    }
+
     sc_mutex_lock(&controller->mutex);
     bool was_empty = cbuf_is_empty(&controller->queue);
     bool res = cbuf_push(&controller->queue, *msg);

app/src/file_handler.c

@@ -6,7 +6,7 @@
 #include "adb.h"
 #include "util/log.h"
 
-#define DEFAULT_PUSH_TARGET "/sdcard/"
+#define DEFAULT_PUSH_TARGET "/sdcard/Download/"
 
 static void
 file_handler_request_destroy(struct file_handler_request *req) {

app/src/input_manager.c

@@ -595,8 +595,12 @@ convert_mouse_motion(const SDL_MouseMotionEvent *from, struct screen *screen,
 static void
 input_manager_process_mouse_motion(struct input_manager *im,
                                    const SDL_MouseMotionEvent *event) {
-    if (!event->state) {
-        // do not send motion events when no button is pressed
+    uint32_t mask = SDL_BUTTON_LMASK;
+    if (im->forward_all_clicks) {
+        mask |= SDL_BUTTON_MMASK | SDL_BUTTON_RMASK;
+    }
+    if (!(event->state & mask)) {
+        // do not send motion events when no click is pressed
         return;
     }
     if (event->which == SDL_TOUCH_MOUSEID) {

app/src/main.c

@@ -38,24 +38,6 @@ print_version(void) {
 #endif
 }
 
-static SDL_LogPriority
-convert_log_level_to_sdl(enum sc_log_level level) {
-    switch (level) {
-        case SC_LOG_LEVEL_DEBUG:
-            return SDL_LOG_PRIORITY_DEBUG;
-        case SC_LOG_LEVEL_INFO:
-            return SDL_LOG_PRIORITY_INFO;
-        case SC_LOG_LEVEL_WARN:
-            return SDL_LOG_PRIORITY_WARN;
-        case SC_LOG_LEVEL_ERROR:
-            return SDL_LOG_PRIORITY_ERROR;
-        default:
-            assert(!"unexpected log level");
-            return SDL_LOG_PRIORITY_INFO;
-    }
-}
-
-
 int
 main(int argc, char *argv[]) {
 #ifdef __WINDOWS__
@@ -79,8 +61,7 @@ main(int argc, char *argv[]) {
         return 1;
     }
 
-    SDL_LogPriority sdl_log = convert_log_level_to_sdl(args.opts.log_level);
-    SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, sdl_log);
+    sc_set_log_level(args.opts.log_level);
 
     if (args.help) {
         scrcpy_print_usage(argv[0]);

app/src/recorder.c

@@ -35,11 +35,14 @@ record_packet_new(const AVPacket *packet) {
         return NULL;
     }
 
-    // av_packet_ref() does not initialize all fields in old FFmpeg versions
-    // See <https://github.com/Genymobile/scrcpy/issues/707>
-    av_init_packet(&rec->packet);
+    rec->packet = av_packet_alloc();
+    if (!rec->packet) {
+        free(rec);
+        return NULL;
+    }
 
-    if (av_packet_ref(&rec->packet, packet)) {
+    if (av_packet_ref(rec->packet, packet)) {
+        av_packet_free(&rec->packet);
         free(rec);
         return NULL;
     }
@@ -48,7 +51,8 @@ record_packet_new(const AVPacket *packet) {
 
 static void
 record_packet_delete(struct record_packet *rec) {
-    av_packet_unref(&rec->packet);
+    av_packet_unref(rec->packet);
+    av_packet_free(&rec->packet);
     free(rec);
 }
 
@@ -144,8 +148,8 @@ run_recorder(void *data) {
             struct record_packet *last = recorder->previous;
             if (last) {
                 // assign an arbitrary duration to the last packet
-                last->packet.duration = 100000;
-                bool ok = recorder_write(recorder, &last->packet);
+                last->packet->duration = 100000;
+                bool ok = recorder_write(recorder, last->packet);
                 if (!ok) {
                     // failing to write the last frame is not very serious, no
                     // future frame may depend on it, so the resulting file
@@ -172,13 +176,14 @@ run_recorder(void *data) {
         }
 
         // config packets have no PTS, we must ignore them
-        if (rec->packet.pts != AV_NOPTS_VALUE
-            && previous->packet.pts != AV_NOPTS_VALUE) {
+        if (rec->packet->pts != AV_NOPTS_VALUE
+            && previous->packet->pts != AV_NOPTS_VALUE) {
             // we now know the duration of the previous packet
-            previous->packet.duration = rec->packet.pts - previous->packet.pts;
+            previous->packet->duration =
+                rec->packet->pts - previous->packet->pts;
         }
 
-        bool ok = recorder_write(recorder, &previous->packet);
+        bool ok = recorder_write(recorder, previous->packet);
         record_packet_delete(previous);
         if (!ok) {
             LOGE("Could not record packet");

app/src/recorder.h

@@ -13,7 +13,7 @@
 #include "util/thread.h"
 
 struct record_packet {
-    AVPacket packet;
+    AVPacket *packet;
     struct record_packet *next;
 };
 

app/src/scrcpy.c

@@ -216,14 +216,15 @@ av_log_callback(void *avcl, int level, const char *fmt, va_list vl) {
     if (priority == 0) {
         return;
     }
-    char *local_fmt = malloc(strlen(fmt) + 10);
+
+    size_t fmt_len = strlen(fmt);
+    char *local_fmt = malloc(fmt_len + 10);
     if (!local_fmt) {
         LOGC("Could not allocate string");
         return;
     }
-    // strcpy is safe here, the destination is large enough
-    strcpy(local_fmt, "[FFmpeg] ");
-    strcpy(local_fmt + 9, fmt);
+    memcpy(local_fmt, "[FFmpeg] ", 9); // do not write the final '\0'
+    memcpy(local_fmt + 9, fmt, fmt_len + 1); // include '\0'
     SDL_LogMessageV(SDL_LOG_CATEGORY_VIDEO, priority, local_fmt, vl);
     free(local_fmt);
 }

app/src/scrcpy.h

@@ -8,6 +8,7 @@
 #include <stdint.h>
 
 enum sc_log_level {
+    SC_LOG_LEVEL_VERBOSE,
     SC_LOG_LEVEL_DEBUG,
     SC_LOG_LEVEL_INFO,
     SC_LOG_LEVEL_WARN,

app/src/screen.c

@@ -41,6 +41,18 @@ get_window_size(const struct screen *screen) {
     return size;
 }
 
+static struct point
+get_window_position(const struct screen *screen) {
+    int x;
+    int y;
+    SDL_GetWindowPosition(screen->window, &x, &y);
+
+    struct point point;
+    point.x = x;
+    point.y = y;
+    return point;
+}
+
 // set the window size to be applied when fullscreen is disabled
 static void
 set_window_size(struct screen *screen, struct size new_size) {
@@ -122,13 +134,6 @@ get_optimal_size(struct size current_size, struct size content_size) {
     return window_size;
 }
 
-// same as get_optimal_size(), but read the current size from the window
-static inline struct size
-get_optimal_window_size(const struct screen *screen, struct size content_size) {
-    struct size window_size = get_window_size(screen);
-    return get_optimal_size(window_size, content_size);
-}
-
 // initially, there is no current size, so use the frame size as current size
 // req_width and req_height, if not 0, are the sizes requested by the user
 static inline struct size
@@ -662,9 +667,20 @@ screen_resize_to_fit(struct screen *screen) {
         return;
     }
 
+    struct point point = get_window_position(screen);
+    struct size window_size = get_window_size(screen);
+
     struct size optimal_size =
-        get_optimal_window_size(screen, screen->content_size);
+        get_optimal_size(window_size, screen->content_size);
+
+    // Center the window related to the device screen
+    assert(optimal_size.width <= window_size.width);
+    assert(optimal_size.height <= window_size.height);
+    uint32_t new_x = point.x + (window_size.width - optimal_size.width) / 2;
+    uint32_t new_y = point.y + (window_size.height - optimal_size.height) / 2;
+
     SDL_SetWindowSize(screen->window, optimal_size.width, optimal_size.height);
+    SDL_SetWindowPosition(screen->window, new_x, new_y);
     LOGD("Resized to optimal size: %ux%u", optimal_size.width,
                                            optimal_size.height);
 }
@@ -726,6 +742,7 @@ screen_handle_event(struct screen *screen, SDL_Event *event) {
                     }
                     screen->maximized = false;
                     apply_pending_resize(screen);
+                    screen_render(screen, true);
                     break;
             }
             return true;

app/src/server.c

@@ -235,6 +235,8 @@ enable_tunnel_any_port(struct server *server, struct sc_port_range port_range,
 static const char *
 log_level_to_server_string(enum sc_log_level level) {
     switch (level) {
+        case SC_LOG_LEVEL_VERBOSE:
+            return "verbose";
         case SC_LOG_LEVEL_DEBUG:
             return "debug";
         case SC_LOG_LEVEL_INFO:

app/src/stream.c

@@ -104,33 +104,38 @@ static bool
 stream_push_packet(struct stream *stream, AVPacket *packet) {
     bool is_config = packet->pts == AV_NOPTS_VALUE;
 
-    // A config packet must not be decoded immetiately (it contains no
+    // A config packet must not be decoded immediately (it contains no
     // frame); instead, it must be concatenated with the future data packet.
-    if (stream->has_pending || is_config) {
+    if (stream->pending || is_config) {
         size_t offset;
-        if (stream->has_pending) {
-            offset = stream->pending.size;
-            if (av_grow_packet(&stream->pending, packet->size)) {
+        if (stream->pending) {
+            offset = stream->pending->size;
+            if (av_grow_packet(stream->pending, packet->size)) {
                 LOGE("Could not grow packet");
                 return false;
             }
         } else {
             offset = 0;
-            if (av_new_packet(&stream->pending, packet->size)) {
-                LOGE("Could not create packet");
+            stream->pending = av_packet_alloc();
+            if (!stream->pending) {
+                LOGE("Could not allocate packet");
+                return false;
+            }
+            if (av_new_packet(stream->pending, packet->size)) {
+                LOGE("Could not create packet");
+                av_packet_free(&stream->pending);
                 return false;
             }
-            stream->has_pending = true;
         }
 
-        memcpy(stream->pending.data + offset, packet->data, packet->size);
+        memcpy(stream->pending->data + offset, packet->data, packet->size);
 
         if (!is_config) {
             // prepare the concat packet to send to the decoder
-            stream->pending.pts = packet->pts;
-            stream->pending.dts = packet->dts;
-            stream->pending.flags = packet->flags;
-            packet = &stream->pending;
+            stream->pending->pts = packet->pts;
+            stream->pending->dts = packet->dts;
+            stream->pending->flags = packet->flags;
+            packet = stream->pending;
         }
     }
 
@@ -144,10 +149,10 @@ stream_push_packet(struct stream *stream, AVPacket *packet) {
         // data packet
         bool ok = stream_parse(stream, packet);
 
-        if (stream->has_pending) {
+        if (stream->pending) {
             // the pending packet must be discarded (consumed or error)
-            stream->has_pending = false;
-            av_packet_unref(&stream->pending);
+            av_packet_unref(stream->pending);
+            av_packet_free(&stream->pending);
         }
 
         if (!ok) {
@@ -215,16 +220,21 @@ run_stream(void *data) {
     // It's more complicated, but this allows to reduce the latency by 1 frame!
     stream->parser->flags |= PARSER_FLAG_COMPLETE_FRAMES;
 
+    AVPacket *packet = av_packet_alloc();
+    if (!packet) {
+        LOGE("Could not allocate packet");
+        goto finally_close_parser;
+    }
+
     for (;;) {
-        AVPacket packet;
-        bool ok = stream_recv_packet(stream, &packet);
+        bool ok = stream_recv_packet(stream, packet);
         if (!ok) {
             // end of stream
             break;
         }
 
-        ok = stream_push_packet(stream, &packet);
-        av_packet_unref(&packet);
+        ok = stream_push_packet(stream, packet);
+        av_packet_unref(packet);
         if (!ok) {
             // cannot process packet (error already logged)
             break;
@@ -233,10 +243,13 @@ run_stream(void *data) {
 
     LOGD("End of frames");
 
-    if (stream->has_pending) {
-        av_packet_unref(&stream->pending);
+    if (stream->pending) {
+        av_packet_unref(stream->pending);
+        av_packet_free(&stream->pending);
     }
 
+    av_packet_free(&packet);
+finally_close_parser:
     av_parser_close(stream->parser);
 finally_close_sinks:
     stream_close_sinks(stream);
@@ -252,7 +265,7 @@ void
 stream_init(struct stream *stream, socket_t socket,
             const struct stream_callbacks *cbs, void *cbs_userdata) {
     stream->socket = socket;
-    stream->has_pending = false;
+    stream->pending = NULL;
     stream->sink_count = 0;
 
     assert(cbs && cbs->on_eos);

app/src/stream.h

@@ -24,8 +24,7 @@ struct stream {
     AVCodecParserContext *parser;
     // successive packets may need to be concatenated, until a non-config
     // packet is available
-    bool has_pending;
-    AVPacket pending;
+    AVPacket *pending;
 
     const struct stream_callbacks *cbs;
     void *cbs_userdata;

app/src/util/log.c

@@ -0,0 +1,53 @@
+#include "log.h"
+
+#include <assert.h>
+
+static SDL_LogPriority
+log_level_sc_to_sdl(enum sc_log_level level) {
+    switch (level) {
+        case SC_LOG_LEVEL_VERBOSE:
+            return SDL_LOG_PRIORITY_VERBOSE;
+        case SC_LOG_LEVEL_DEBUG:
+            return SDL_LOG_PRIORITY_DEBUG;
+        case SC_LOG_LEVEL_INFO:
+            return SDL_LOG_PRIORITY_INFO;
+        case SC_LOG_LEVEL_WARN:
+            return SDL_LOG_PRIORITY_WARN;
+        case SC_LOG_LEVEL_ERROR:
+            return SDL_LOG_PRIORITY_ERROR;
+        default:
+            assert(!"unexpected log level");
+            return SDL_LOG_PRIORITY_INFO;
+    }
+}
+
+static enum sc_log_level
+log_level_sdl_to_sc(SDL_LogPriority priority) {
+    switch (priority) {
+        case SDL_LOG_PRIORITY_VERBOSE:
+            return SC_LOG_LEVEL_VERBOSE;
+        case SDL_LOG_PRIORITY_DEBUG:
+            return SC_LOG_LEVEL_DEBUG;
+        case SDL_LOG_PRIORITY_INFO:
+            return SC_LOG_LEVEL_INFO;
+        case SDL_LOG_PRIORITY_WARN:
+            return SC_LOG_LEVEL_WARN;
+        case SDL_LOG_PRIORITY_ERROR:
+            return SC_LOG_LEVEL_ERROR;
+        default:
+            assert(!"unexpected log level");
+            return SC_LOG_LEVEL_INFO;
+    }
+}
+
+void
+sc_set_log_level(enum sc_log_level level) {
+    SDL_LogPriority sdl_log = log_level_sc_to_sdl(level);
+    SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, sdl_log);
+}
+
+enum sc_log_level
+sc_get_log_level(void) {
+    SDL_LogPriority sdl_log = SDL_LogGetPriority(SDL_LOG_CATEGORY_APPLICATION);
+    return log_level_sdl_to_sc(sdl_log);
+}

app/src/util/log.h

@@ -1,8 +1,12 @@
-#ifndef LOG_H
-#define LOG_H
+#ifndef SC_LOG_H
+#define SC_LOG_H
+
+#include "common.h"
 
 #include <SDL2/SDL_log.h>
 
+#include "scrcpy.h"
+
 #define LOGV(...) SDL_LogVerbose(SDL_LOG_CATEGORY_APPLICATION, __VA_ARGS__)
 #define LOGD(...) SDL_LogDebug(SDL_LOG_CATEGORY_APPLICATION, __VA_ARGS__)
 #define LOGI(...) SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, __VA_ARGS__)
@@ -10,4 +14,10 @@
 #define LOGE(...) SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, __VA_ARGS__)
 #define LOGC(...) SDL_LogCritical(SDL_LOG_CATEGORY_APPLICATION, __VA_ARGS__)
 
+void
+sc_set_log_level(enum sc_log_level level);
+
+enum sc_log_level
+sc_get_log_level(void);
+
 #endif

app/src/v4l2_sink.c

@@ -86,7 +86,7 @@ encode_and_write_frame(struct sc_v4l2_sink *vs, const AVFrame *frame) {
         return false;
     }
 
-    AVPacket *packet = &vs->packet;
+    AVPacket *packet = vs->packet;
     ret = avcodec_receive_packet(vs->encoder_ctx, packet);
     if (ret == 0) {
         // A packet was received
@@ -181,16 +181,16 @@ sc_v4l2_sink_open(struct sc_v4l2_sink *vs) {
     // <https://github.com/FFmpeg/FFmpeg/commit/0694d8702421e7aff1340038559c438b61bb30dd>
     vs->format_ctx->oformat = (AVOutputFormat *) format;
 #ifdef SCRCPY_LAVF_HAS_AVFORMATCONTEXT_URL
-# define CTX_URL_FIELD url
-#else
-# define CTX_URL_FIELD filename
-#endif
-    vs->format_ctx->CTX_URL_FIELD = strdup(vs->device_name);
+    vs->format_ctx->url = strdup(vs->device_name);
     if (!vs->format_ctx->url) {
         LOGE("Could not strdup v4l2 device name");
         goto error_avformat_free_context;
         return false;
     }
+#else
+    strncpy(vs->format_ctx->filename, vs->device_name,
+            sizeof(vs->format_ctx->filename));
+#endif
 
     AVStream *ostream = avformat_new_stream(vs->format_ctx, encoder);
     if (!ostream) {
@@ -235,11 +235,17 @@ sc_v4l2_sink_open(struct sc_v4l2_sink *vs) {
         goto error_avcodec_close;
     }
 
+    vs->packet = av_packet_alloc();
+    if (!vs->packet) {
+        LOGE("Could not allocate packet");
+        goto error_av_frame_free;
+    }
+
     LOGD("Starting v4l2 thread");
     ok = sc_thread_create(&vs->thread, run_v4l2_sink, "v4l2", vs);
     if (!ok) {
         LOGC("Could not start v4l2 thread");
-        goto error_av_frame_free;
+        goto error_av_packet_free;
     }
 
     vs->header_written = false;
@@ -249,6 +255,8 @@ sc_v4l2_sink_open(struct sc_v4l2_sink *vs) {
 
     return true;
 
+error_av_packet_free:
+    av_packet_free(&vs->packet);
 error_av_frame_free:
     av_frame_free(&vs->frame);
 error_avcodec_close:
@@ -278,6 +286,7 @@ sc_v4l2_sink_close(struct sc_v4l2_sink *vs) {
 
     sc_thread_join(&vs->thread, NULL);
 
+    av_packet_free(&vs->packet);
     av_frame_free(&vs->frame);
     avcodec_close(vs->encoder_ctx);
     avcodec_free_context(&vs->encoder_ctx);

app/src/v4l2_sink.h

@@ -26,7 +26,7 @@ struct sc_v4l2_sink {
     bool header_written;
 
     AVFrame *frame;
-    AVPacket packet;
+    AVPacket *packet;
 };
 
 bool

server/src/main/java/com/genymobile/scrcpy/Ln.java

@@ -12,7 +12,7 @@ public final class Ln {
     private static final String PREFIX = "[server] ";
 
     enum Level {
-        DEBUG, INFO, WARN, ERROR
+        VERBOSE, DEBUG, INFO, WARN, ERROR
     }
 
     private static Level threshold = Level.INFO;
@@ -36,6 +36,13 @@ public final class Ln {
         return level.ordinal() >= threshold.ordinal();
     }
 
+    public static void v(String message) {
+        if (isEnabled(Level.VERBOSE)) {
+            Log.v(TAG, message);
+            System.out.println(PREFIX + "VERBOSE: " + message);
+        }
+    }
+
     public static void d(String message) {
         if (isEnabled(Level.DEBUG)) {
             Log.d(TAG, message);

server/src/main/java/com/genymobile/scrcpy/wrappers/ContentProvider.java

@@ -2,6 +2,7 @@ package com.genymobile.scrcpy.wrappers;
 
 import com.genymobile.scrcpy.Ln;
 
+import android.annotation.SuppressLint;
 import android.os.Bundle;
 import android.os.IBinder;
 
@@ -37,6 +38,8 @@ public class ContentProvider implements Closeable {
     private Method callMethod;
     private int callMethodVersion;
 
+    private Object attributionSource;
+
     ContentProvider(ActivityManager manager, Object provider, String name, IBinder token) {
         this.manager = manager;
         this.provider = provider;
@@ -44,36 +47,58 @@ public class ContentProvider implements Closeable {
         this.token = token;
     }
 
+    @SuppressLint("PrivateApi")
     private Method getCallMethod() throws NoSuchMethodException {
         if (callMethod == null) {
-
             try {
-                callMethod = provider.getClass()
-                        .getMethod("call", String.class, String.class, String.class, String.class, String.class, Bundle.class);
+                Class<?> attributionSourceClass = Class.forName("android.content.AttributionSource");
+                callMethod = provider.getClass().getMethod("call", attributionSourceClass, String.class, String.class, String.class, Bundle.class);
                 callMethodVersion = 0;
-            } catch (NoSuchMethodException e) {
+            } catch (NoSuchMethodException | ClassNotFoundException e0) {
                 // old versions
                 try {
-                    callMethod = provider.getClass().getMethod("call", String.class, String.class, String.class, String.class, Bundle.class);
+                    callMethod = provider.getClass()
+                            .getMethod("call", String.class, String.class, String.class, String.class, String.class, Bundle.class);
                     callMethodVersion = 1;
-                } catch (NoSuchMethodException e2) {
-                    callMethod = provider.getClass().getMethod("call", String.class, String.class, String.class, Bundle.class);
-                    callMethodVersion = 2;
+                } catch (NoSuchMethodException e1) {
+                    try {
+                        callMethod = provider.getClass().getMethod("call", String.class, String.class, String.class, String.class, Bundle.class);
+                        callMethodVersion = 2;
+                    } catch (NoSuchMethodException e2) {
+                        callMethod = provider.getClass().getMethod("call", String.class, String.class, String.class, Bundle.class);
+                        callMethodVersion = 3;
+                    }
                 }
             }
         }
         return callMethod;
     }
 
+    @SuppressLint("PrivateApi")
+    private Object getAttributionSource()
+            throws ClassNotFoundException, NoSuchMethodException, IllegalAccessException, InvocationTargetException, InstantiationException {
+        if (attributionSource == null) {
+            Class<?> cl = Class.forName("android.content.AttributionSource$Builder");
+            Object builder = cl.getConstructor(int.class).newInstance(ServiceManager.USER_ID);
+            cl.getDeclaredMethod("setPackageName", String.class).invoke(builder, ServiceManager.PACKAGE_NAME);
+            attributionSource = cl.getDeclaredMethod("build").invoke(builder);
+        }
+
+        return attributionSource;
+    }
+
     private Bundle call(String callMethod, String arg, Bundle extras) {
         try {
             Method method = getCallMethod();
             Object[] args;
             switch (callMethodVersion) {
                 case 0:
-                    args = new Object[]{ServiceManager.PACKAGE_NAME, null, "settings", callMethod, arg, extras};
+                    args = new Object[]{getAttributionSource(), "settings", callMethod, arg, extras};
                     break;
                 case 1:
+                    args = new Object[]{ServiceManager.PACKAGE_NAME, null, "settings", callMethod, arg, extras};
+                    break;
+                case 2:
                     args = new Object[]{ServiceManager.PACKAGE_NAME, "settings", callMethod, arg, extras};
                     break;
                 default:
@@ -81,7 +106,7 @@ public class ContentProvider implements Closeable {
                     break;
             }
             return (Bundle) method.invoke(provider, args);
-        } catch (InvocationTargetException | IllegalAccessException | NoSuchMethodException e) {
+        } catch (InvocationTargetException | IllegalAccessException | NoSuchMethodException | ClassNotFoundException | InstantiationException e) {
             Ln.e("Could not invoke method", e);
             return null;
         }