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[FL-2335] Gui, Rpc: multisession, asynchronous screen streaming with adaptive frame rate (#1033)

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* Gui,Rpc: multisession, asynchronous screen streaming with adaptive frame rate
* Fix compact build, add missing aray initialization.
This commit is contained in:
あく 2022-03-17 16:44:54 +07:00 committed by GitHub
parent 94ba7d104c
commit eed49bf863
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 139 additions and 49 deletions
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48
applications/gui/gui.c
View file

@ -211,12 +211,11 @@ void gui_redraw(Gui* gui) {
}
canvas_commit(gui->canvas);
if(gui->canvas_callback) {
gui->canvas_callback(
canvas_get_buffer(gui->canvas),
canvas_get_buffer_size(gui->canvas),
gui->canvas_callback_context);
}
for
M_EACH(p, gui->canvas_callback_pair, CanvasCallbackPairArray_t) {
p->callback(
canvas_get_buffer(gui->canvas), canvas_get_buffer_size(gui->canvas), p->context);
}
gui_unlock(gui);
}
@ -396,24 +395,36 @@ void gui_view_port_send_to_back(Gui* gui, ViewPort* view_port) {
gui_unlock(gui);
}
void gui_set_framebuffer_callback(Gui* gui, GuiCanvasCommitCallback callback, void* context) {
void gui_add_framebuffer_callback(Gui* gui, GuiCanvasCommitCallback callback, void* context) {
furi_assert(gui);
gui_lock(gui);
gui->canvas_callback = callback;
gui->canvas_callback_context = context;
gui_unlock(gui);
if(callback != NULL) {
gui_update(gui);
}
const CanvasCallbackPair p = {callback, context};
gui_lock(gui);
furi_assert(CanvasCallbackPairArray_count(gui->canvas_callback_pair, p) == 0);
CanvasCallbackPairArray_push_back(gui->canvas_callback_pair, p);
gui_unlock(gui);
gui_update(gui);
}
GuiCanvasCommitCallback gui_get_framebuffer_callback(Gui* gui) {
void gui_remove_framebuffer_callback(Gui* gui, GuiCanvasCommitCallback callback, void* context) {
furi_assert(gui);
const CanvasCallbackPair p = {callback, context};
gui_lock(gui);
GuiCanvasCommitCallback callback = gui->canvas_callback;
furi_assert(CanvasCallbackPairArray_count(gui->canvas_callback_pair, p) == 1);
CanvasCallbackPairArray_remove_val(gui->canvas_callback_pair, p);
gui_unlock(gui);
return callback;
}
size_t gui_get_framebuffer_size(Gui* gui) {
furi_assert(gui);
return canvas_get_buffer_size(gui->canvas);
}
void gui_set_lockdown(Gui* gui, bool lockdown) {
@ -437,9 +448,12 @@ Gui* gui_alloc() {
}
// Drawing canvas
gui->canvas = canvas_init();
CanvasCallbackPairArray_init(gui->canvas_callback_pair);
// Input
gui->input_queue = osMessageQueueNew(8, sizeof(InputEvent), NULL);
gui->input_events = furi_record_open("input_events");
furi_check(gui->input_events);
furi_pubsub_subscribe(gui->input_events, gui_input_events_callback, gui);

20
applications/gui/gui.h
View file

@ -68,7 +68,7 @@ void gui_view_port_send_to_front(Gui* gui, ViewPort* view_port);
*/
void gui_view_port_send_to_back(Gui* gui, ViewPort* view_port);
/** Set gui canvas commit callback
/** Add gui canvas commit callback
*
* This callback will be called upon Canvas commit Callback dispatched from GUI
* thread and is time critical
@ -77,16 +77,22 @@ void gui_view_port_send_to_back(Gui* gui, ViewPort* view_port);
* @param callback GuiCanvasCommitCallback
* @param context GuiCanvasCommitCallback context
*/
void gui_set_framebuffer_callback(Gui* gui, GuiCanvasCommitCallback callback, void* context);
void gui_add_framebuffer_callback(Gui* gui, GuiCanvasCommitCallback callback, void* context);
/** Get gui canvas commit callback
*
* Can be used to check if some application is using framebufer
/** Remove gui canvas commit callback
*
* @param gui Gui instance
* @return GuiCanvasCommitCallback
* @param callback GuiCanvasCommitCallback
* @param context GuiCanvasCommitCallback context
*/
GuiCanvasCommitCallback gui_get_framebuffer_callback(Gui* gui);
void gui_remove_framebuffer_callback(Gui* gui, GuiCanvasCommitCallback callback, void* context);
/** Get gui canvas frame buffer size
* *
* @param gui Gui instance
* @return size_t size of frame buffer in bytes
*/
size_t gui_get_framebuffer_size(Gui* gui);
/** Set lockdown mode
*

15
applications/gui/gui_i.h
View file

@ -9,6 +9,7 @@
#include <furi.h>
#include <m-array.h>
#include <m-algo.h>
#include <stdio.h>
#include "canvas.h"
@ -42,6 +43,17 @@
ARRAY_DEF(ViewPortArray, ViewPort*, M_PTR_OPLIST);
typedef struct {
GuiCanvasCommitCallback callback;
void* context;
} CanvasCallbackPair;
ARRAY_DEF(CanvasCallbackPairArray, CanvasCallbackPair, M_POD_OPLIST);
#define M_OPL_CanvasCallbackPairArray_t() ARRAY_OPLIST(CanvasCallbackPairArray, M_POD_OPLIST)
ALGO_DEF(CanvasCallbackPairArray, CanvasCallbackPairArray_t);
/** Gui structure */
struct Gui {
// Thread and lock
@ -52,8 +64,7 @@ struct Gui {
bool lockdown;
ViewPortArray_t layers[GuiLayerMAX];
Canvas* canvas;
GuiCanvasCommitCallback canvas_callback;
void* canvas_callback_context;
CanvasCallbackPairArray_t canvas_callback_pair;
// Input
osMessageQueueId_t input_queue;

9
applications/rpc/rpc.c
View file

@ -623,7 +623,7 @@ RpcSession* rpc_session_open(Rpc* rpc) {
rpc_add_handler(session, PB_Main_stop_session_tag, &rpc_handler);
session->thread = furi_thread_alloc();
furi_thread_set_name(session->thread, "RPC Session");
furi_thread_set_name(session->thread, "RpcSessionWorker");
furi_thread_set_stack_size(session->thread, 2048);
furi_thread_set_context(session->thread, session);
furi_thread_set_callback(session->thread, rpc_session_worker);
@ -666,9 +666,10 @@ void rpc_add_handler(RpcSession* session, pb_size_t message_tag, RpcHandler* han
RpcHandlerDict_set_at(session->handlers, message_tag, *handler);
}
void rpc_send_and_release(RpcSession* session, PB_Main* message) {
void rpc_send(RpcSession* session, PB_Main* message) {
furi_assert(session);
furi_assert(message);
pb_ostream_t ostream = PB_OSTREAM_SIZING;
#if SRV_RPC_DEBUG
@ -695,6 +696,10 @@ void rpc_send_and_release(RpcSession* session, PB_Main* message) {
osMutexRelease(session->callbacks_mutex);
free(buffer);
}
void rpc_send_and_release(RpcSession* session, PB_Main* message) {
rpc_send(session, message);
pb_release(&PB_Main_msg, message);
}

93
applications/rpc/rpc_gui.c
View file

@ -5,11 +5,25 @@
#define TAG "RpcGui"
typedef enum {
RpcGuiWorkerFlagTransmit = (1 << 0),
RpcGuiWorkerFlagExit = (1 << 1),
} RpcGuiWorkerFlag;
#define RpcGuiWorkerFlagAny (RpcGuiWorkerFlagTransmit | RpcGuiWorkerFlagExit)
typedef struct {
RpcSession* session;
Gui* gui;
// Receive part
ViewPort* virtual_display_view_port;
uint8_t* virtual_display_buffer;
// Transmit
PB_Main* transmit_frame;
FuriThread* transmit_thread;
bool virtual_display_not_empty;
bool is_streaming;
} RpcGuiSystem;
@ -17,25 +31,35 @@ typedef struct {
static void
rpc_system_gui_screen_stream_frame_callback(uint8_t* data, size_t size, void* context) {
furi_assert(data);
furi_assert(size == 1024);
furi_assert(context);
RpcGuiSystem* rpc_gui = (RpcGuiSystem*)context;
RpcSession* session = rpc_gui->session;
uint8_t* buffer = rpc_gui->transmit_frame->content.gui_screen_frame.data->bytes;
PB_Main* frame = malloc(sizeof(PB_Main));
furi_assert(size == rpc_gui->transmit_frame->content.gui_screen_frame.data->size);
frame->which_content = PB_Main_gui_screen_frame_tag;
frame->command_status = PB_CommandStatus_OK;
frame->content.gui_screen_frame.data = malloc(PB_BYTES_ARRAY_T_ALLOCSIZE(size));
uint8_t* buffer = frame->content.gui_screen_frame.data->bytes;
uint16_t* frame_size_msg = &frame->content.gui_screen_frame.data->size;
*frame_size_msg = size;
memcpy(buffer, data, size);
rpc_send_and_release(session, frame);
osThreadFlagsSet(
furi_thread_get_thread_id(rpc_gui->transmit_thread), RpcGuiWorkerFlagTransmit);
}
free(frame);
static int32_t rpc_system_gui_screen_stream_frame_transmit_thread(void* context) {
furi_assert(context);
RpcGuiSystem* rpc_gui = (RpcGuiSystem*)context;
while(true) {
uint32_t flags = osThreadFlagsWait(RpcGuiWorkerFlagAny, osFlagsWaitAny, osWaitForever);
if(flags & RpcGuiWorkerFlagTransmit) {
rpc_send(rpc_gui->session, rpc_gui->transmit_frame);
}
if(flags & RpcGuiWorkerFlagExit) {
break;
}
}
return 0;
}
static void rpc_system_gui_start_screen_stream_process(const PB_Main* request, void* context) {
@ -45,15 +69,30 @@ static void rpc_system_gui_start_screen_stream_process(const PB_Main* request, v
RpcSession* session = rpc_gui->session;
furi_assert(session);
furi_assert(!rpc_gui->is_streaming);
if(gui_get_framebuffer_callback(rpc_gui->gui) == NULL) {
rpc_send_and_release_empty(session, request->command_id, PB_CommandStatus_OK);
rpc_gui->is_streaming = true;
gui_set_framebuffer_callback(
rpc_gui->gui, rpc_system_gui_screen_stream_frame_callback, context);
} else {
rpc_send_and_release_empty(session, request->command_id, PB_CommandStatus_ERROR_BUSY);
}
rpc_send_and_release_empty(session, request->command_id, PB_CommandStatus_OK);
rpc_gui->is_streaming = true;
size_t framebuffer_size = gui_get_framebuffer_size(rpc_gui->gui);
// Reusable Frame
rpc_gui->transmit_frame = malloc(sizeof(PB_Main));
rpc_gui->transmit_frame->which_content = PB_Main_gui_screen_frame_tag;
rpc_gui->transmit_frame->command_status = PB_CommandStatus_OK;
rpc_gui->transmit_frame->content.gui_screen_frame.data =
malloc(PB_BYTES_ARRAY_T_ALLOCSIZE(framebuffer_size));
rpc_gui->transmit_frame->content.gui_screen_frame.data->size = framebuffer_size;
// Transmission thread for async TX
rpc_gui->transmit_thread = furi_thread_alloc();
furi_thread_set_name(rpc_gui->transmit_thread, "GuiRpcWorker");
furi_thread_set_callback(
rpc_gui->transmit_thread, rpc_system_gui_screen_stream_frame_transmit_thread);
furi_thread_set_context(rpc_gui->transmit_thread, rpc_gui);
furi_thread_set_stack_size(rpc_gui->transmit_thread, 1024);
furi_thread_start(rpc_gui->transmit_thread);
// GUI framebuffer callback
gui_add_framebuffer_callback(
rpc_gui->gui, rpc_system_gui_screen_stream_frame_callback, context);
}
static void rpc_system_gui_stop_screen_stream_process(const PB_Main* request, void* context) {
@ -66,7 +105,18 @@ static void rpc_system_gui_stop_screen_stream_process(const PB_Main* request, vo
if(rpc_gui->is_streaming) {
rpc_gui->is_streaming = false;
gui_set_framebuffer_callback(rpc_gui->gui, NULL, NULL);
// Remove GUI framebuffer callback
gui_remove_framebuffer_callback(
rpc_gui->gui, rpc_system_gui_screen_stream_frame_callback, context);
// Stop and release worker thread
osThreadFlagsSet(
furi_thread_get_thread_id(rpc_gui->transmit_thread), RpcGuiWorkerFlagExit);
furi_thread_join(rpc_gui->transmit_thread);
furi_thread_free(rpc_gui->transmit_thread);
// Release frame
pb_release(&PB_Main_msg, rpc_gui->transmit_frame);
free(rpc_gui->transmit_frame);
rpc_gui->transmit_frame = NULL;
}
rpc_send_and_release_empty(session, request->command_id, PB_CommandStatus_OK);
@ -296,7 +346,8 @@ void rpc_system_gui_free(void* context) {
}
if(rpc_gui->is_streaming) {
gui_set_framebuffer_callback(rpc_gui->gui, NULL, NULL);
gui_remove_framebuffer_callback(
rpc_gui->gui, rpc_system_gui_screen_stream_frame_callback, context);
}
furi_record_close("gui");
free(rpc_gui);

3
applications/rpc/rpc_i.h
View file

@ -17,7 +17,10 @@ typedef struct {
void* context;
} RpcHandler;
void rpc_send(RpcSession* session, PB_Main* main_message);
void rpc_send_and_release(RpcSession* session, PB_Main* main_message);
void rpc_send_and_release_empty(RpcSession* session, uint32_t command_id, PB_CommandStatus status);
void rpc_add_handler(RpcSession* session, pb_size_t message_tag, RpcHandler* handler);