void video_manager::save_snapshot(screen_device *screen, emu_file &file)
{
// validate
assert(!m_snap_native || screen != nullptr);
// create the bitmap to pass in
create_snapshot_bitmap(screen);
// add two text entries describing the image
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_info pnginfo = { nullptr };
png_add_text(&pnginfo, "Software", text1.c_str());
png_add_text(&pnginfo, "System", text2.c_str());
// now do the actual work
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 = png_write_bitmap(file, &pnginfo, m_snap_bitmap, entries, palette);
if (error != PNGERR_NONE)
osd_printf_error("Error generating PNG for snapshot: png_error = %d\n", error);
// free any data allocated
png_free(&pnginfo);
}
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();
}
void video_manager::save_snapshot(screen_device *screen, emu_file &file)
{
// validate
assert(!m_snap_native || screen != NULL);
// create the bitmap to pass in
create_snapshot_bitmap(screen);
// add two text entries describing the image
astring text1(emulator_info::get_appname(), " ", build_version);
astring text2(machine().system().manufacturer, " ", machine().system().description);
png_info pnginfo = { 0 };
png_add_text(&pnginfo, "Software", text1);
png_add_text(&pnginfo, "System", text2);
// now do the actual work
const rgb_t *palette = (machine().palette != NULL) ? palette_entry_list_adjusted(machine().palette) : NULL;
png_error error = png_write_bitmap(file, &pnginfo, m_snap_bitmap, machine().total_colors(), palette);
if (error != PNGERR_NONE)
mame_printf_error("Error generating PNG for snapshot: png_error = %d\n", error);
// free any data allocated
png_free(&pnginfo);
}
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_file::error avierr = m_avi_file->append_video_frame(m_snap_bitmap);
if (avierr != avi_file::error::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();
}