C++ (Cpp) avi_append_video_frame Beispiele

Beispiel #1

void video_manager::record_frame()
{
	// ignore if nothing to do
	if (m_mngfile == NULL && m_avifile == NULL)
		return;

	// start the profiler and get the current time
	g_profiler.start(PROFILER_MOVIE_REC);
	attotime curtime = machine().time();

	// create the bitmap
	create_snapshot_bitmap(NULL);

	// loop until we hit the right time
	while (m_movie_next_frame_time <= curtime)
	{
		// handle an AVI recording
		if (m_avifile != NULL)
		{
			// write the next frame
			avi_error avierr = avi_append_video_frame(m_avifile, m_snap_bitmap);
			if (avierr != AVIERR_NONE)
			{
				g_profiler.stop();
				return end_recording();
			}
		}

		// handle a MNG recording
		if (m_mngfile != NULL)
		{
			// set up the text fields in the movie info
			png_info pnginfo = { 0 };
			if (m_movie_frame == 0)
			{
				astring text1(emulator_info::get_appname(), " ", build_version);
				astring text2(machine().system().manufacturer, " ", machine().system().description);
				png_add_text(&pnginfo, "Software", text1);
				png_add_text(&pnginfo, "System", text2);
			}

			// write the next frame
			const rgb_t *palette = (machine().palette != NULL) ? palette_entry_list_adjusted(machine().palette) : NULL;
			png_error error = mng_capture_frame(*m_mngfile, &pnginfo, m_snap_bitmap, machine().total_colors(), palette);
			png_free(&pnginfo);
			if (error != PNGERR_NONE)
			{
				g_profiler.stop();
				return end_recording();
			}
		}

		// advance time
		m_movie_next_frame_time += m_movie_frame_period;
		m_movie_frame++;
	}
	g_profiler.stop();
}

Beispiel #2

Datei: video.cpp Projekt: WinCoder/mame

void video_manager::record_frame()
{
	// ignore if nothing to do
	if (m_mng_file == nullptr && m_avi_file == nullptr && !m_dummy_recording)
		return;

	// start the profiler and get the current time
	g_profiler.start(PROFILER_MOVIE_REC);
	attotime curtime = machine().time();

	// create the bitmap
	create_snapshot_bitmap(nullptr);

	// handle an AVI recording
	if (m_avi_file != nullptr)
	{
		// loop until we hit the right time
		while (m_avi_next_frame_time <= curtime)
		{
			// write the next frame
			avi_error avierr = avi_append_video_frame(m_avi_file, m_snap_bitmap);
			if (avierr != AVIERR_NONE)
			{
				g_profiler.stop();
				end_recording(MF_AVI);
				break;
			}

			// advance time
			m_avi_next_frame_time += m_avi_frame_period;
			m_avi_frame++;
		}
	}

	// handle a MNG recording
	if (m_mng_file != nullptr)
	{
		// loop until we hit the right time
		while (m_mng_next_frame_time <= curtime)
		{
			// set up the text fields in the movie info
			png_info pnginfo = { nullptr };
			if (m_mng_frame == 0)
			{
				std::string text1 = std::string(emulator_info::get_appname()).append(" ").append(build_version);
				std::string text2 = std::string(machine().system().manufacturer).append(" ").append(machine().system().description);
				png_add_text(&pnginfo, "Software", text1.c_str());
				png_add_text(&pnginfo, "System", text2.c_str());
			}

			// write the next frame
			screen_device *screen = machine().first_screen();
			const rgb_t *palette = (screen != nullptr && screen->has_palette()) ? screen->palette().palette()->entry_list_adjusted() : nullptr;
			int entries = (screen != nullptr && screen->has_palette()) ? screen->palette().entries() : 0;
			png_error error = mng_capture_frame(*m_mng_file, &pnginfo, m_snap_bitmap, entries, palette);
			png_free(&pnginfo);
			if (error != PNGERR_NONE)
			{
				g_profiler.stop();
				end_recording(MF_MNG);
				break;
			}

			// advance time
			m_mng_next_frame_time += m_mng_frame_period;
			m_mng_frame++;
		}
	}

	g_profiler.stop();
}