void video_manager::begin_recording(const char *name, movie_format format) { // stop any existign recording end_recording(); // create a snapshot bitmap so we know what the target size is create_snapshot_bitmap(NULL); // reset the state m_movie_frame = 0; m_movie_next_frame_time = machine().time(); // start up an AVI recording if (format == MF_AVI) { // build up information about this new movie avi_movie_info info; info.video_format = 0; info.video_timescale = 1000 * ((machine().primary_screen != NULL) ? ATTOSECONDS_TO_HZ(machine().primary_screen->frame_period().attoseconds) : screen_device::DEFAULT_FRAME_RATE); info.video_sampletime = 1000; info.video_numsamples = 0; info.video_width = m_snap_bitmap.width(); info.video_height = m_snap_bitmap.height(); info.video_depth = 24; info.audio_format = 0; info.audio_timescale = machine().sample_rate(); info.audio_sampletime = 1; info.audio_numsamples = 0; info.audio_channels = 2; info.audio_samplebits = 16; info.audio_samplerate = machine().sample_rate(); // create a new temporary movie file file_error filerr; astring fullpath; { emu_file tempfile(machine().options().snapshot_directory(), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE | OPEN_FLAG_CREATE_PATHS); if (name != NULL) filerr = tempfile.open(name); else filerr = open_next(tempfile, "avi"); // compute the frame time m_movie_frame_period = attotime::from_seconds(1000) / info.video_timescale; // if we succeeded, make a copy of the name and create the real file over top if (filerr == FILERR_NONE) fullpath = tempfile.fullpath(); } if (filerr == FILERR_NONE) { // create the file and free the string avi_error avierr = avi_create(fullpath, &info, &m_avifile); if (avierr != AVIERR_NONE) mame_printf_error("Error creating AVI: %s\n", avi_error_string(avierr)); } } // start up a MNG recording else if (format == MF_MNG) { // create a new movie file and start recording m_mngfile = auto_alloc(machine(), emu_file(machine().options().snapshot_directory(), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE | OPEN_FLAG_CREATE_PATHS)); file_error filerr; if (name != NULL) filerr = m_mngfile->open(name); else filerr = open_next(*m_mngfile, "mng"); if (filerr == FILERR_NONE) { // start the capture int rate = (machine().primary_screen != NULL) ? ATTOSECONDS_TO_HZ(machine().primary_screen->frame_period().attoseconds) : screen_device::DEFAULT_FRAME_RATE; png_error pngerr = mng_capture_start(*m_mngfile, m_snap_bitmap, rate); if (pngerr != PNGERR_NONE) return end_recording(); // compute the frame time m_movie_frame_period = attotime::from_hz(rate); } else { mame_printf_error("Error creating MNG\n"); global_free(m_mngfile); m_mngfile = NULL; } } }
static int avi_open(const char* filename, const BITMAPINFOHEADER* pbmih, const WAVEFORMATEX* pwfex) { int error = 1; int result = 0; do { // close existing first DRV_AviEnd(); if(!truncate_existing(filename)) break; if(!pbmih) break; // create the object avi_create(&avi_file); // set video size and framerate /*avi_file->start_scanline = vsi->start_scanline; avi_file->end_scanline = vsi->end_scanline; avi_file->fps = vsi->fps; avi_file->fps_scale = 16777216-1; avi_file->convert_buffer = new u8[256*384*3];*/ // open the file if(FAILED(AVIFileOpen(&avi_file->avi_file, filename, OF_CREATE | OF_WRITE, NULL))) break; // create the video stream set_video_format(pbmih, avi_file); memset(&avi_file->avi_video_header, 0, sizeof(AVISTREAMINFO)); avi_file->avi_video_header.fccType = streamtypeVIDEO; avi_file->avi_video_header.dwScale = 6*355*263; avi_file->avi_video_header.dwRate = 33513982; avi_file->avi_video_header.dwSuggestedBufferSize = avi_file->bitmap_format.biSizeImage; if(FAILED(AVIFileCreateStream(avi_file->avi_file, &avi_file->streams[VIDEO_STREAM], &avi_file->avi_video_header))) break; if(use_prev_options) { avi_file->compress_options[VIDEO_STREAM] = saved_avi_info.compress_options[VIDEO_STREAM]; avi_file->compress_options_ptr[VIDEO_STREAM] = &avi_file->compress_options[0]; } else { // get compression options memset(&avi_file->compress_options[VIDEO_STREAM], 0, sizeof(AVICOMPRESSOPTIONS)); avi_file->compress_options_ptr[VIDEO_STREAM] = &avi_file->compress_options[0]; //retryAviSaveOptions: //mbg merge 7/17/06 removed error = 0; if(!AVISaveOptions(MainWindow->getHWnd(), 0, 1, &avi_file->streams[VIDEO_STREAM], &avi_file->compress_options_ptr[VIDEO_STREAM])) break; error = 1; } // create compressed stream if(FAILED(AVIMakeCompressedStream(&avi_file->compressed_streams[VIDEO_STREAM], avi_file->streams[VIDEO_STREAM], &avi_file->compress_options[VIDEO_STREAM], NULL))) break; // set the stream format if(FAILED(AVIStreamSetFormat(avi_file->compressed_streams[VIDEO_STREAM], 0, (void*)&avi_file->bitmap_format, avi_file->bitmap_format.biSize))) break; // add sound (if requested) if(pwfex) { // add audio format set_sound_format(pwfex, avi_file); // create the audio stream memset(&avi_file->avi_sound_header, 0, sizeof(AVISTREAMINFO)); avi_file->avi_sound_header.fccType = streamtypeAUDIO; avi_file->avi_sound_header.dwQuality = (DWORD)-1; avi_file->avi_sound_header.dwScale = avi_file->wave_format.nBlockAlign; avi_file->avi_sound_header.dwRate = avi_file->wave_format.nAvgBytesPerSec; avi_file->avi_sound_header.dwSampleSize = avi_file->wave_format.nBlockAlign; avi_file->avi_sound_header.dwInitialFrames = 1; if(FAILED(AVIFileCreateStream(avi_file->avi_file, &avi_file->streams[AUDIO_STREAM], &avi_file->avi_sound_header))) break; // AVISaveOptions doesn't seem to work for audio streams // so here we just copy the pointer for the compressed stream avi_file->compressed_streams[AUDIO_STREAM] = avi_file->streams[AUDIO_STREAM]; // set the stream format if(FAILED(AVIStreamSetFormat(avi_file->compressed_streams[AUDIO_STREAM], 0, (void*)&avi_file->wave_format, sizeof(WAVEFORMATEX)))) break; } // initialize counters avi_file->video_frames = 0; avi_file->sound_samples = 0; avi_file->tBytes = 0; avi_file->ByteBuffer = 0; avi_file->audio_buffer_pos = 0; // success error = 0; result = 1; avi_file->valid = 1; } while(0); if(!result) { avi_destroy(&avi_file); if(error) EMU_PrintError("Error writing AVI file"); } return result; }
static int avi_open(const char* filename, const BITMAPINFOHEADER* pbmih, const WAVEFORMATEX* pwfex, const struct VideoSystemInfo* vsi) { int error = 1; int result = 0; do { // close existing first FCEUI_AviEnd(); if(!truncate_existing(filename)) break; if(!pbmih) break; // create the object avi_create(&avi_file); // set video size and framerate avi_file->start_scanline = vsi->start_scanline; avi_file->end_scanline = vsi->end_scanline; //zero 20-oct-2012 - AVIFileClose has bugs in it which cause overflows in the calculation of dwTotalFrames, so some programs are unhappy with the resulting files. //so I reduced the precision here by the minimum number of shifts necessary to make it not overflow avi_file->fps = vsi->fps >> 3; avi_file->fps_scale = (16 * 1024 * 1024) >> 3; avi_file->convert_buffer = (uint8*)malloc(VIDEO_WIDTH*(vsi->end_scanline-vsi->start_scanline)*3); // open the file if(FAILED(AVIFileOpen(&avi_file->avi_file, filename, OF_CREATE | OF_WRITE, NULL))) break; // create the video stream set_video_format(pbmih, avi_file); memset(&avi_file->avi_video_header, 0, sizeof(AVISTREAMINFO)); avi_file->avi_video_header.fccType = streamtypeVIDEO; avi_file->avi_video_header.dwScale = avi_file->fps_scale; avi_file->avi_video_header.dwRate = avi_file->fps; avi_file->avi_video_header.dwSuggestedBufferSize = avi_file->bitmap_format.biSizeImage; if(FAILED(AVIFileCreateStream(avi_file->avi_file, &avi_file->streams[VIDEO_STREAM], &avi_file->avi_video_header))) break; if(use_prev_options) { avi_file->compress_options[VIDEO_STREAM] = saved_avi_info.compress_options[VIDEO_STREAM]; avi_file->compress_options_ptr[VIDEO_STREAM] = &avi_file->compress_options[0]; } else { // get compression options memset(&avi_file->compress_options[VIDEO_STREAM], 0, sizeof(AVICOMPRESSOPTIONS)); avi_file->compress_options_ptr[VIDEO_STREAM] = &avi_file->compress_options[0]; //retryAviSaveOptions: //mbg merge 7/17/06 removed error = 0; if(!AVISaveOptions(hAppWnd, 0, 1, &avi_file->streams[VIDEO_STREAM], &avi_file->compress_options_ptr[VIDEO_STREAM])) break; error = 1; } // create compressed stream if(FAILED(AVIMakeCompressedStream(&avi_file->compressed_streams[VIDEO_STREAM], avi_file->streams[VIDEO_STREAM], &avi_file->compress_options[VIDEO_STREAM], NULL))) break; // set the stream format if(FAILED(AVIStreamSetFormat(avi_file->compressed_streams[VIDEO_STREAM], 0, (void*)&avi_file->bitmap_format, avi_file->bitmap_format.biSize))) break; // add sound (if requested) if(pwfex) { // add audio format set_sound_format(pwfex, avi_file); // create the audio stream memset(&avi_file->avi_sound_header, 0, sizeof(AVISTREAMINFO)); avi_file->avi_sound_header.fccType = streamtypeAUDIO; avi_file->avi_sound_header.dwQuality = (DWORD)-1; avi_file->avi_sound_header.dwScale = avi_file->wave_format.nBlockAlign; avi_file->avi_sound_header.dwRate = avi_file->wave_format.nAvgBytesPerSec; avi_file->avi_sound_header.dwSampleSize = avi_file->wave_format.nBlockAlign; avi_file->avi_sound_header.dwInitialFrames = 1; if(FAILED(AVIFileCreateStream(avi_file->avi_file, &avi_file->streams[AUDIO_STREAM], &avi_file->avi_sound_header))) break; // AVISaveOptions doesn't seem to work for audio streams // so here we just copy the pointer for the compressed stream avi_file->compressed_streams[AUDIO_STREAM] = avi_file->streams[AUDIO_STREAM]; // set the stream format if(FAILED(AVIStreamSetFormat(avi_file->compressed_streams[AUDIO_STREAM], 0, (void*)&avi_file->wave_format, sizeof(WAVEFORMATEX)))) break; } // initialize counters avi_file->video_frames = 0; avi_file->sound_samples = 0; avi_file->tBytes = 0; avi_file->ByteBuffer = 0; avi_file->audio_buffer_pos = 0; // success error = 0; result = 1; avi_file->valid = 1; } while(0); if(!result) { avi_destroy(&avi_file); if(error) FCEUD_PrintError("Error writing AVI file"); } return result; }