recording.c

编译后直接运行的ＭＰ３播放器全部Ｃ语言源代码 一个包含FAT文件系统、系统引导 Boot、FLASH Driver等内容的

                    else
                        update_countdown = 1; /* Update immediately */
                }
                break;

            case SYS_USB_CONNECTED:
                /* Only accept USB connection when not recording */
                if(mpeg_status() != MPEG_STATUS_RECORD)
                {
                    usb_screen();
                    done = true;
                    been_in_usb_mode = true;
                }
                break;
        }

        peak_meter_peek();
        
        if(TIME_AFTER(current_tick, timeout))
        {
            lcd_setfont(FONT_SYSFIXED);

            timeout = current_tick + HZ/10;

            seconds = mpeg_recorded_time() / HZ;
            
            update_countdown--;
            if(update_countdown == 0 || seconds > last_seconds)
            {
                unsigned int dseconds, dhours, dminutes;
                int pos = 0;

                update_countdown = 5;
                last_seconds = seconds;

                lcd_clear_display();

                hours = seconds / 3600;
                minutes = (seconds - (hours * 3600)) / 60;
                snprintf(buf, 32, "%s %02d:%02d:%02d",
                         str(LANG_RECORDING_TIME),
                         hours, minutes, seconds%60);
                lcd_puts(0, 0, buf);

                dseconds = rec_timesplit_seconds(); 

                if(mpeg_status() & MPEG_STATUS_PRERECORD)
                {
                    snprintf(buf, 32, "%s...", str(LANG_RECORD_PRERECORD));
                }
                else
                {
                    /* Display the split interval if the record timesplit
                       is active */
                    if (global_settings.rec_timesplit)
                    {
                        /* Display the record timesplit interval rather than 
                           the file size if the record timer is active */
                        dhours = dseconds / 3600;
                        dminutes = (dseconds - (dhours * 3600)) / 60;
                        snprintf(buf, 32, "%s %02d:%02d",
                                 str(LANG_RECORD_TIMESPLIT_REC),
                                 dhours, dminutes);
                    }
                    else
                        snprintf(buf, 32, "%s %s", str(LANG_RECORDING_SIZE),
                                 num2max5(mpeg_num_recorded_bytes(), buf2));
                }
                lcd_puts(0, 1, buf);

                /* We will do file splitting regardless, since the OFF
                   setting really means 24 hours. This is to make sure
                   that the recorded files don't get too big. */
                if (mpeg_status() && (seconds >= dseconds))
                {
                    mpeg_new_file(rec_create_filename(path_buffer));
                    update_countdown = 1;
                    last_seconds = 0;
                }

                peak_meter_draw(0, 8 + h*2, LCD_WIDTH, h);

                /* Show mic gain if input source is Mic */
                if(global_settings.rec_source == 0)
                {
                    snprintf(buf, 32, "%s: %s", str(LANG_RECORDING_GAIN),
                             fmt_gain(SOUND_MIC_GAIN,
                                      global_settings.rec_mic_gain,
                                      buf2, sizeof(buf2)));
                    if (global_settings.invert_cursor && (pos++ == cursor))
                        lcd_puts_style(0, 3, buf, STYLE_INVERT);
                    else
                        lcd_puts(0, 3, buf);
                }
                else
                {
                    if(global_settings.rec_source == SOURCE_LINE)
                    {
                        gain = MAX(global_settings.rec_left_gain,
                                   global_settings.rec_right_gain);
                        
                        snprintf(buf, 32, "%s: %s", str(LANG_RECORDING_GAIN),
                                 fmt_gain(SOUND_LEFT_GAIN, gain,
                                          buf2, sizeof(buf2)));
                        if (global_settings.invert_cursor && (pos++ == cursor))
                            lcd_puts_style(0, 3, buf, STYLE_INVERT);
                        else
                            lcd_puts(0, 3, buf);
                        
                        snprintf(buf, 32, "%s: %s", str(LANG_RECORDING_LEFT),
                                 fmt_gain(SOUND_LEFT_GAIN,
                                          global_settings.rec_left_gain,
                                          buf2, sizeof(buf2)));
                        if (global_settings.invert_cursor && (pos++ == cursor))
                            lcd_puts_style(0, 4, buf, STYLE_INVERT);
                        else
                            lcd_puts(0, 4, buf);
                        
                        snprintf(buf, 32, "%s: %s", str(LANG_RECORDING_RIGHT),
                                 fmt_gain(SOUND_RIGHT_GAIN,
                                          global_settings.rec_right_gain,
                                          buf2, sizeof(buf2)));
                        if (global_settings.invert_cursor && (pos++ == cursor))
                            lcd_puts_style(0, 5, buf, STYLE_INVERT);
                        else
                            lcd_puts(0, 5, buf);
                    }
                }

                if(global_settings.rec_source != SOURCE_SPDIF)
                    put_cursorxy(0, 3 + cursor, true);

                snprintf(buf, 32, "%s %s [%d]",
                         freq_str[global_settings.rec_frequency],
                         global_settings.rec_channels?
                         str(LANG_CHANNEL_MONO):str(LANG_CHANNEL_STEREO),
                         global_settings.rec_quality);
                lcd_puts(0, 6, buf);

                status_draw(true);

                lcd_update();
            }
            else
            {
                lcd_clearrect(0, 8 + h*2, LCD_WIDTH, h);
                peak_meter_draw(0, 8 + h*2, LCD_WIDTH, h);
                lcd_update_rect(0, 8 + h*2, LCD_WIDTH, h);
            }
        }

        if(mpeg_status() & MPEG_STATUS_ERROR)
        {
            done = true;
        }
    }
    
    if(mpeg_status() & MPEG_STATUS_ERROR)
    {
        status_set_playmode(STATUS_STOP);
        splash(0, true, str(LANG_DISK_FULL));
        status_draw(true);
        lcd_update();
        mpeg_error_clear();

        while(1)
        {
            button = button_get(true);
            if(button == (BUTTON_OFF | BUTTON_REL))
                break;
        }
    }
    
    mpeg_init_playback();

    mpeg_sound_channel_config(global_settings.channel_config);
    mpeg_sound_set(SOUND_BASS, global_settings.bass);
    mpeg_sound_set(SOUND_TREBLE, global_settings.treble);
    mpeg_sound_set(SOUND_BALANCE, global_settings.balance);
    mpeg_sound_set(SOUND_VOLUME, global_settings.volume);
    mpeg_sound_set(SOUND_LOUDNESS, global_settings.loudness);
    mpeg_sound_set(SOUND_SUPERBASS, global_settings.bass_boost);
    mpeg_sound_set(SOUND_AVC, global_settings.avc);

    lcd_setfont(FONT_UI);

    if (have_recorded)
        reload_directory();

    return been_in_usb_mode;
}

bool f2_rec_screen(void)
{
    bool exit = false;
    bool used = false;
    int w, h;
    char buf[32];

    lcd_setfont(FONT_SYSFIXED);
    lcd_getstringsize("A",&w,&h);

    while (!exit) {
        char* ptr=NULL;

        lcd_clear_display();

        /* Recording quality */
        lcd_putsxy(0, LCD_HEIGHT/2 - h*2, str(LANG_RECORDING_QUALITY));
        snprintf(buf, 32, "%d", global_settings.rec_quality);
        lcd_putsxy(0, LCD_HEIGHT/2-h, buf);
        lcd_bitmap(bitmap_icons_7x8[Icon_FastBackward], 
                   LCD_WIDTH/2 - 16, LCD_HEIGHT/2 - 4, 7, 8, true);

        /* Frequency */
        snprintf(buf, sizeof buf, "%s:", str(LANG_RECORDING_FREQUENCY));
        lcd_getstringsize(buf,&w,&h);
        lcd_putsxy((LCD_WIDTH-w)/2, LCD_HEIGHT - h*2, buf);
        ptr = freq_str[global_settings.rec_frequency];
        lcd_getstringsize(ptr, &w, &h);
        lcd_putsxy((LCD_WIDTH-w)/2, LCD_HEIGHT - h, ptr);
        lcd_bitmap(bitmap_icons_7x8[Icon_DownArrow],
                   LCD_WIDTH/2 - 3, LCD_HEIGHT - h*3, 7, 8, true);

        /* Channel mode */
        switch ( global_settings.rec_channels ) {
            case 0:
                ptr = str(LANG_CHANNEL_STEREO);
                break;

            case 1:
                ptr = str(LANG_CHANNEL_MONO);
                break;
        }

        lcd_getstringsize(str(LANG_RECORDING_CHANNELS), &w, &h);
        lcd_putsxy(LCD_WIDTH - w, LCD_HEIGHT/2 - h*2,
                   str(LANG_RECORDING_CHANNELS));
        lcd_getstringsize(str(LANG_F2_MODE), &w, &h);
        lcd_putsxy(LCD_WIDTH - w, LCD_HEIGHT/2 - h, str(LANG_F2_MODE));
        lcd_getstringsize(ptr, &w, &h);
        lcd_putsxy(LCD_WIDTH - w, LCD_HEIGHT/2, ptr);
        lcd_bitmap(bitmap_icons_7x8[Icon_FastForward], 
                   LCD_WIDTH/2 + 8, LCD_HEIGHT/2 - 4, 7, 8, true);

        lcd_update();

        switch (button_get(true)) {
            case BUTTON_LEFT:
            case BUTTON_F2 | BUTTON_LEFT:
                global_settings.rec_quality++;
                if(global_settings.rec_quality > 7)
                    global_settings.rec_quality = 0;
                used = true;
                break;

            case BUTTON_DOWN:
            case BUTTON_F2 | BUTTON_DOWN:
                global_settings.rec_frequency++;
                if(global_settings.rec_frequency > 5)
                    global_settings.rec_frequency = 0;
                used = true;
                break;

            case BUTTON_RIGHT:
            case BUTTON_F2 | BUTTON_RIGHT:
                global_settings.rec_channels++;
                if(global_settings.rec_channels > 1)
                    global_settings.rec_channels = 0;
                used = true;
                break;

            case BUTTON_F2 | BUTTON_REL:
                if ( used )
                    exit = true;
                used = true;
                break;

            case BUTTON_F2 | BUTTON_REPEAT:
                used = true;
                break;

            case SYS_USB_CONNECTED:
                usb_screen();
                return true;
        }
    }

    mpeg_set_recording_options(global_settings.rec_frequency,
                               global_settings.rec_quality,
                               global_settings.rec_source,
                               global_settings.rec_channels,
                               global_settings.rec_editable,
                               global_settings.rec_prerecord_time);

    set_gain();
    
    settings_save();
    lcd_setfont(FONT_UI);

    return false;
}

bool f3_rec_screen(void)
{
    bool exit = false;
    bool used = false;
    int w, h;
    char *src_str[] =
    {
        str(LANG_RECORDING_SRC_MIC),
        str(LANG_RECORDING_SRC_LINE),
        str(LANG_RECORDING_SRC_DIGITAL)
    };

    lcd_setfont(FONT_SYSFIXED);
    lcd_getstringsize("A",&w,&h);

    while (!exit) {
        char* ptr=NULL;

        lcd_clear_display();

        /* Recording source */
        lcd_putsxy(0, LCD_HEIGHT/2 - h*2, str(LANG_RECORDING_SOURCE));
        ptr = src_str[global_settings.rec_source];
        lcd_getstringsize(ptr, &w, &h);
        lcd_putsxy(0, LCD_HEIGHT/2-h, ptr);
        lcd_bitmap(bitmap_icons_7x8[Icon_FastBackward], 
                   LCD_WIDTH/2 - 16, LCD_HEIGHT/2 - 4, 7, 8, true);

        lcd_update();

        switch (button_get(true)) {
            case BUTTON_LEFT:
            case BUTTON_F3 | BUTTON_LEFT:
                global_settings.rec_source++;
                if(global_settings.rec_source > 2)
                    global_settings.rec_source = 0;
                used = true;
                break;

            case BUTTON_F3 | BUTTON_REL:
                if ( used )
                    exit = true;
                used = true;
                break;

            case BUTTON_F3 | BUTTON_REPEAT:
                used = true;
                break;

            case SYS_USB_CONNECTED:
                usb_screen();
                return true;
        }
    }

    mpeg_set_recording_options(global_settings.rec_frequency,
                               global_settings.rec_quality,
                               global_settings.rec_source,
                               global_settings.rec_channels,
                               global_settings.rec_editable,
                               global_settings.rec_prerecord_time);

    set_gain();

    settings_save();
    lcd_setfont(FONT_UI);

    return false;
}