Add AVRecorder movie mode

src/d_netcmd.c

@@ -62,6 +62,7 @@
 #include "deh_tables.h"
 #include "m_perfstats.h"
 #include "k_specialstage.h"
+#include "m_avrecorder.h"
 
 #ifdef HAVE_DISCORDRPC
 #include "discord.h"
@@ -903,6 +904,7 @@ void D_RegisterClientCommands(void)
 	CV_RegisterVar(&cv_moviemode);
 	CV_RegisterVar(&cv_movie_option);
 	CV_RegisterVar(&cv_movie_folder);
+	M_AVRecorder_AddCommands();
 	// PNG variables
 	CV_RegisterVar(&cv_zlib_level);
 	CV_RegisterVar(&cv_zlib_memory);

src/m_avrecorder.cpp

@@ -185,6 +185,18 @@ void M_AVRecorder_Close(void)
 	g_av_recorder.reset();
 }
 
+const char* M_AVRecorder_GetFileExtension(void)
+{
+	return AVRecorder::file_extension();
+}
+
+const char* M_AVRecorder_GetCurrentFormat(void)
+{
+	SRB2_ASSERT(g_av_recorder != nullptr);
+
+	return g_av_recorder->format_name();
+}
+
 boolean M_AVRecorder_IsExpired(void)
 {
 	SRB2_ASSERT(g_av_recorder != nullptr);

src/m_avrecorder.h

@@ -18,6 +18,8 @@ extern "C" {
 
 void M_AVRecorder_AddCommands(void);
 
+const char *M_AVRecorder_GetFileExtension(void);
+
 // True if successully opened.
 boolean M_AVRecorder_Open(const char *filename);
 
@@ -26,6 +28,8 @@ void M_AVRecorder_Close(void);
 // Check whether AVRecorder is still valid. Call M_AVRecorder_Close if expired.
 boolean M_AVRecorder_IsExpired(void);
 
+const char *M_AVRecorder_GetCurrentFormat(void);
+
 extern consvar_t
 	cv_movie_custom_resolution,
 	cv_movie_duration,

src/m_misc.c

@@ -44,6 +44,7 @@
 #include "command.h" // cv_execversion
 
 #include "m_anigif.h"
+#include "m_avrecorder.h"
 
 // So that the screenshot menu auto-updates...
 #include "k_menu.h"
@@ -113,8 +114,8 @@ consvar_t cv_screenshot_folder = CVAR_INIT ("screenshot_folder", "", CV_SAVE, NU
 
 consvar_t cv_screenshot_colorprofile = CVAR_INIT ("screenshot_colorprofile", "Yes", CV_SAVE, CV_YesNo, NULL);
 
-static CV_PossibleValue_t moviemode_cons_t[] = {{MM_GIF, "GIF"}, {MM_APNG, "aPNG"}, {MM_SCREENSHOT, "Screenshots"}, {0, NULL}};
-consvar_t cv_moviemode = CVAR_INIT ("moviemode_mode", "GIF", CV_SAVE|CV_CALL, moviemode_cons_t, Moviemode_mode_Onchange);
+static CV_PossibleValue_t moviemode_cons_t[] = {{MM_GIF, "GIF"}, {MM_APNG, "aPNG"}, {MM_SCREENSHOT, "Screenshots"}, {MM_AVRECORDER, "WebM"}, {0, NULL}};
+consvar_t cv_moviemode = CVAR_INIT ("moviemode_mode", "WebM", CV_SAVE|CV_CALL, moviemode_cons_t, Moviemode_mode_Onchange);
 
 consvar_t cv_movie_option = CVAR_INIT ("movie_option", "Default", CV_SAVE|CV_CALL, screenshot_cons_t, Moviemode_option_Onchange);
 consvar_t cv_movie_folder = CVAR_INIT ("movie_folder", "", CV_SAVE, NULL, NULL);
@@ -1295,6 +1296,25 @@ static inline moviemode_t M_StartMovieGIF(const char *pathname)
 }
 #endif
 
+static inline moviemode_t M_StartMovieAVRecorder(const char *pathname)
+{
+	const char *ext = M_AVRecorder_GetFileExtension();
+	const char *freename;
+
+	if (!(freename = Newsnapshotfile(pathname, ext)))
+	{
+		CONS_Alert(CONS_ERROR, "Couldn't create %s file: no slots open in %s\n", ext, pathname);
+		return MM_OFF;
+	}
+
+	if (!M_AVRecorder_Open(va(pandf,pathname,freename)))
+	{
+		return MM_OFF;
+	}
+
+	return MM_AVRECORDER;
+}
+
 void M_StartMovie(void)
 {
 #if NUMSCREENS > 2
@@ -1332,6 +1352,9 @@ void M_StartMovie(void)
 		case MM_SCREENSHOT:
 			moviemode = MM_SCREENSHOT;
 			break;
+		case MM_AVRECORDER:
+			moviemode = M_StartMovieAVRecorder(pathname);
+			break;
 		default: //???
 			return;
 	}
@@ -1342,6 +1365,8 @@ void M_StartMovie(void)
 		CONS_Printf(M_GetText("Movie mode enabled (%s).\n"), "GIF");
 	else if (moviemode == MM_SCREENSHOT)
 		CONS_Printf(M_GetText("Movie mode enabled (%s).\n"), "screenshots");
+	else if (moviemode == MM_AVRECORDER)
+		CONS_Printf(M_GetText("Movie mode enabled (%s).\n"), M_AVRecorder_GetCurrentFormat());
 
 	//singletics = (moviemode != MM_OFF);
 #endif
@@ -1353,6 +1378,15 @@ void M_SaveFrame(void)
 	// paranoia: should be unnecessary without singletics
 	static tic_t oldtic = 0;
 
+	if (moviemode == MM_AVRECORDER)
+	{
+		if (M_AVRecorder_IsExpired())
+		{
+			M_StopMovie();
+		}
+		return;
+	}
+
 	if (oldtic == I_GetTime())
 		return;
 	else
@@ -1440,6 +1474,9 @@ void M_StopMovie(void)
 #endif
 		case MM_SCREENSHOT:
 			break;
+		case MM_AVRECORDER:
+			M_AVRecorder_Close();
+			break;
 		default:
 			return;
 	}

src/m_misc.h

@@ -29,7 +29,8 @@ typedef enum {
 	MM_OFF = 0,
 	MM_APNG,
 	MM_GIF,
-	MM_SCREENSHOT
+	MM_SCREENSHOT,
+	MM_AVRECORDER,
 } moviemode_t;
 extern moviemode_t moviemode;
 

src/media/avrecorder.cpp

@@ -170,6 +170,11 @@ void Impl::worker()
 	valid_ = false;
 }
 
+const char* AVRecorder::file_extension()
+{
+	return "webm";
+}
+
 AVRecorder::AVRecorder(const Config config) : impl_(std::make_unique<Impl>(config))
 {
 }
@@ -186,6 +191,11 @@ AVRecorder::~AVRecorder()
 	std::thread([_ = std::move(impl_)] {}).detach();
 }
 
+const char* AVRecorder::format_name() const
+{
+	return impl_->container_->name();
+}
+
 void AVRecorder::push_audio_samples(audio_buffer_t buffer)
 {
 	const auto _ = impl_->queue_guard();

src/media/avrecorder.hpp

@@ -57,11 +57,18 @@ public:
 		std::optional<Video> video;
 	};
 
+	// Returns the canonical file extension minus the dot.
+	// E.g. "webm" (not ".webm").
+	static const char* file_extension();
+
 	AVRecorder(Config config);
 	~AVRecorder();
 
 	void push_audio_samples(audio_buffer_t buffer);
 
+	// Proper name of the container format.
+	const char* format_name() const;
+
 	// True if this instance has terminated. Continuing to use
 	// this interface is useless and the object should be
 	// destructed immediately.