| /****************************************************************************** |
| * * |
| * easycap_settings.c * |
| * * |
| ******************************************************************************/ |
| /* |
| * |
| * Copyright (C) 2010 R.M. Thomas <rmthomas@sciolus.org> |
| * |
| * |
| * This is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * The software is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this software; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| /*****************************************************************************/ |
| |
| #include "easycap.h" |
| #include "easycap_debug.h" |
| |
| /*---------------------------------------------------------------------------*/ |
| /* |
| * THE LEAST SIGNIFICANT BIT OF easycap_standard.mask HAS MEANING: |
| * 0 => 25 fps |
| * 1 => 30 fps |
| */ |
| /*---------------------------------------------------------------------------*/ |
| const struct easycap_standard easycap_standard[] = { |
| { |
| .mask = 0x000F & PAL_BGHIN , |
| .v4l2_standard = { |
| .index = PAL_BGHIN, |
| .id = (V4L2_STD_PAL_B | V4L2_STD_PAL_G | V4L2_STD_PAL_H | \ |
| V4L2_STD_PAL_I | V4L2_STD_PAL_N), |
| .name = "PAL_BGHIN", |
| .frameperiod = {1, 25}, |
| .framelines = 625, |
| .reserved = {0, 0, 0, 0} |
| } |
| }, |
| /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| { |
| .mask = 0x000F & NTSC_N_443 , |
| .v4l2_standard = { |
| .index = NTSC_N_443, |
| .id = V4L2_STD_UNKNOWN, |
| .name = "NTSC_N_443", |
| .frameperiod = {1, 25}, |
| .framelines = 480, |
| .reserved = {0, 0, 0, 0} |
| } |
| }, |
| /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| { |
| .mask = 0x000F & PAL_Nc , |
| .v4l2_standard = { |
| .index = PAL_Nc, |
| .id = V4L2_STD_PAL_Nc, |
| .name = "PAL_Nc", |
| .frameperiod = {1, 25}, |
| .framelines = 625, |
| .reserved = {0, 0, 0, 0} |
| } |
| }, |
| /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| { |
| .mask = 0x000F & NTSC_N , |
| .v4l2_standard = { |
| .index = NTSC_N, |
| .id = V4L2_STD_UNKNOWN, |
| .name = "NTSC_N", |
| .frameperiod = {1, 25}, |
| .framelines = 525, |
| .reserved = {0, 0, 0, 0} |
| } |
| }, |
| /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| { |
| .mask = 0x000F & SECAM , |
| .v4l2_standard = { |
| .index = SECAM, |
| .id = V4L2_STD_SECAM, |
| .name = "SECAM", |
| .frameperiod = {1, 25}, |
| .framelines = 625, |
| .reserved = {0, 0, 0, 0} |
| } |
| }, |
| /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| { |
| .mask = 0x000F & NTSC_M , |
| .v4l2_standard = { |
| .index = NTSC_M, |
| .id = V4L2_STD_NTSC_M, |
| .name = "NTSC_M", |
| .frameperiod = {1, 30}, |
| .framelines = 525, |
| .reserved = {0, 0, 0, 0} |
| } |
| }, |
| /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| { |
| .mask = 0x000F & NTSC_M_JP , |
| .v4l2_standard = { |
| .index = NTSC_M_JP, |
| .id = V4L2_STD_NTSC_M_JP, |
| .name = "NTSC_M_JP", |
| .frameperiod = {1, 30}, |
| .framelines = 525, |
| .reserved = {0, 0, 0, 0} |
| } |
| }, |
| /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| { |
| .mask = 0x000F & PAL_60 , |
| .v4l2_standard = { |
| .index = PAL_60, |
| .id = V4L2_STD_PAL_60, |
| .name = "PAL_60", |
| .frameperiod = {1, 30}, |
| .framelines = 525, |
| .reserved = {0, 0, 0, 0} |
| } |
| }, |
| /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| { |
| .mask = 0x000F & NTSC_443 , |
| .v4l2_standard = { |
| .index = NTSC_443, |
| .id = V4L2_STD_NTSC_443, |
| .name = "NTSC_443", |
| .frameperiod = {1, 30}, |
| .framelines = 525, |
| .reserved = {0, 0, 0, 0} |
| } |
| }, |
| /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| { |
| .mask = 0x000F & PAL_M , |
| .v4l2_standard = { |
| .index = PAL_M, |
| .id = V4L2_STD_PAL_M, |
| .name = "PAL_M", |
| .frameperiod = {1, 30}, |
| .framelines = 525, |
| .reserved = {0, 0, 0, 0} |
| } |
| }, |
| /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| { |
| .mask = 0xFFFF |
| } |
| }; |
| /*---------------------------------------------------------------------------*/ |
| /* |
| * THE 16-BIT easycap_format.mask HAS MEANING: |
| * (least significant) BIT 0: 0 => PAL, 25 FPS; 1 => NTSC, 30 FPS |
| * BITS 1-3: RESERVED FOR DIFFERENTIATING STANDARDS |
| * BITS 4-7: NUMBER OF BYTES PER PIXEL |
| * BIT 8: 0 => NATIVE BYTE ORDER; 1 => SWAPPED |
| * BITS 9-10: RESERVED FOR OTHER BYTE PERMUTATIONS |
| * BIT 11: 0 => UNDECIMATED; 1 => DECIMATED |
| * BIT 12: 0 => OFFER FRAMES; 1 => OFFER FIELDS |
| * (most significant) BITS 13-15: RESERVED FOR OTHER FIELD ORDER OPTIONS |
| * IT FOLLOWS THAT: |
| * bytesperpixel IS ((0x00F0 & easycap_format.mask) >> 4) |
| * byteswaporder IS true IF (0 != (0x0100 & easycap_format.mask)) |
| * |
| * decimatepixel IS true IF (0 != (0x0800 & easycap_format.mask)) |
| * |
| * offerfields IS true IF (0 != (0x1000 & easycap_format.mask)) |
| */ |
| /*---------------------------------------------------------------------------*/ |
| |
| struct easycap_format easycap_format[1 + SETTINGS_MANY]; |
| |
| int |
| fillin_formats(void) |
| { |
| int i, j, k, m, n; |
| __u32 width, height, pixelformat, bytesperline, sizeimage; |
| __u32 field, colorspace; |
| __u16 mask1, mask2, mask3, mask4; |
| char name1[32], name2[32], name3[32], name4[32]; |
| |
| for (i = 0, n = 0; i < STANDARD_MANY; i++) { |
| mask1 = 0x0000; |
| switch (i) { |
| case PAL_BGHIN: { |
| mask1 = PAL_BGHIN; |
| strcpy(&name1[0], "PAL_BGHIN"); |
| colorspace = V4L2_COLORSPACE_470_SYSTEM_BG; |
| break; |
| } |
| case SECAM: { |
| mask1 = SECAM; |
| strcpy(&name1[0], "SECAM"); |
| colorspace = V4L2_COLORSPACE_470_SYSTEM_BG; |
| break; |
| } |
| case PAL_Nc: { |
| mask1 = PAL_Nc; |
| strcpy(&name1[0], "PAL_Nc"); |
| colorspace = V4L2_COLORSPACE_470_SYSTEM_BG; |
| break; |
| } |
| case PAL_60: { |
| mask1 = PAL_60; |
| strcpy(&name1[0], "PAL_60"); |
| colorspace = V4L2_COLORSPACE_470_SYSTEM_BG; |
| break; |
| } |
| case PAL_M: { |
| mask1 = PAL_M; |
| strcpy(&name1[0], "PAL_M"); |
| colorspace = V4L2_COLORSPACE_470_SYSTEM_BG; |
| break; |
| } |
| case NTSC_M: { |
| mask1 = NTSC_M; |
| strcpy(&name1[0], "NTSC_M"); |
| colorspace = V4L2_COLORSPACE_470_SYSTEM_M; |
| break; |
| } |
| case NTSC_443: { |
| mask1 = NTSC_443; |
| strcpy(&name1[0], "NTSC_443"); |
| colorspace = V4L2_COLORSPACE_470_SYSTEM_M; |
| break; |
| } |
| case NTSC_M_JP: { |
| mask1 = NTSC_M_JP; |
| strcpy(&name1[0], "NTSC_M_JP"); |
| colorspace = V4L2_COLORSPACE_470_SYSTEM_M; |
| break; |
| } |
| case NTSC_N: { |
| mask1 = NTSC_M; |
| strcpy(&name1[0], "NTSC_N"); |
| colorspace = V4L2_COLORSPACE_470_SYSTEM_M; |
| break; |
| } |
| case NTSC_N_443: { |
| mask1 = NTSC_N_443; |
| strcpy(&name1[0], "NTSC_N_443"); |
| colorspace = V4L2_COLORSPACE_470_SYSTEM_M; |
| break; |
| } |
| default: |
| return -1; |
| } |
| |
| for (j = 0; j < RESOLUTION_MANY; j++) { |
| mask2 = 0x0000; |
| switch (j) { |
| case AT_720x576: { |
| if (0x1 & mask1) |
| continue; |
| strcpy(&name2[0], "_AT_720x576"); |
| width = 720; height = 576; break; |
| } |
| case AT_704x576: { |
| if (0x1 & mask1) |
| continue; |
| strcpy(&name2[0], "_AT_704x576"); |
| width = 704; height = 576; break; |
| } |
| case AT_640x480: { |
| strcpy(&name2[0], "_AT_640x480"); |
| width = 640; height = 480; break; |
| } |
| case AT_720x480: { |
| if (!(0x1 & mask1)) |
| continue; |
| strcpy(&name2[0], "_AT_720x480"); |
| width = 720; height = 480; break; |
| } |
| case AT_360x288: { |
| if (0x1 & mask1) |
| continue; |
| strcpy(&name2[0], "_AT_360x288"); |
| width = 360; height = 288; mask2 = 0x0800; break; |
| } |
| case AT_320x240: { |
| strcpy(&name2[0], "_AT_320x240"); |
| width = 320; height = 240; mask2 = 0x0800; break; |
| } |
| case AT_360x240: { |
| if (!(0x1 & mask1)) |
| continue; |
| strcpy(&name2[0], "_AT_360x240"); |
| width = 360; height = 240; mask2 = 0x0800; break; |
| } |
| default: |
| return -2; |
| } |
| |
| for (k = 0; k < PIXELFORMAT_MANY; k++) { |
| mask3 = 0x0000; |
| switch (k) { |
| case FMT_UYVY: { |
| strcpy(&name3[0], "_" STRINGIZE(FMT_UYVY)); |
| pixelformat = V4L2_PIX_FMT_UYVY; |
| mask3 |= (0x02 << 4); |
| break; |
| } |
| case FMT_YUY2: { |
| strcpy(&name3[0], "_" STRINGIZE(FMT_YUY2)); |
| pixelformat = V4L2_PIX_FMT_YUYV; |
| mask3 |= (0x02 << 4); |
| mask3 |= 0x0100; |
| break; |
| } |
| case FMT_RGB24: { |
| strcpy(&name3[0], "_" STRINGIZE(FMT_RGB24)); |
| pixelformat = V4L2_PIX_FMT_RGB24; |
| mask3 |= (0x03 << 4); |
| break; |
| } |
| case FMT_RGB32: { |
| strcpy(&name3[0], "_" STRINGIZE(FMT_RGB32)); |
| pixelformat = V4L2_PIX_FMT_RGB32; |
| mask3 |= (0x04 << 4); |
| break; |
| } |
| case FMT_BGR24: { |
| strcpy(&name3[0], "_" STRINGIZE(FMT_BGR24)); |
| pixelformat = V4L2_PIX_FMT_BGR24; |
| mask3 |= (0x03 << 4); |
| mask3 |= 0x0100; |
| break; |
| } |
| case FMT_BGR32: { |
| strcpy(&name3[0], "_" STRINGIZE(FMT_BGR32)); |
| pixelformat = V4L2_PIX_FMT_BGR32; |
| mask3 |= (0x04 << 4); |
| mask3 |= 0x0100; |
| break; |
| } |
| default: |
| return -3; |
| } |
| bytesperline = width * ((mask3 & 0x00F0) >> 4); |
| sizeimage = bytesperline * height; |
| |
| for (m = 0; m < INTERLACE_MANY; m++) { |
| mask4 = 0x0000; |
| switch (m) { |
| case FIELD_NONE: { |
| strcpy(&name4[0], "-n"); |
| field = V4L2_FIELD_NONE; |
| break; |
| } |
| case FIELD_INTERLACED: { |
| strcpy(&name4[0], "-i"); |
| field = V4L2_FIELD_INTERLACED; |
| break; |
| } |
| case FIELD_ALTERNATE: { |
| strcpy(&name4[0], "-a"); |
| mask4 |= 0x1000; |
| field = V4L2_FIELD_ALTERNATE; |
| break; |
| } |
| default: |
| return -4; |
| } |
| if (SETTINGS_MANY <= n) |
| return -5; |
| strcpy(&easycap_format[n].name[0], &name1[0]); |
| strcat(&easycap_format[n].name[0], &name2[0]); |
| strcat(&easycap_format[n].name[0], &name3[0]); |
| strcat(&easycap_format[n].name[0], &name4[0]); |
| easycap_format[n].mask = \ |
| mask1 | mask2 | mask3 | mask4; |
| easycap_format[n].v4l2_format\ |
| .type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| easycap_format[n].v4l2_format\ |
| .fmt.pix.width = width; |
| easycap_format[n].v4l2_format\ |
| .fmt.pix.height = height; |
| easycap_format[n].v4l2_format\ |
| .fmt.pix.pixelformat = pixelformat; |
| easycap_format[n].v4l2_format\ |
| .fmt.pix.field = field; |
| easycap_format[n].v4l2_format\ |
| .fmt.pix.bytesperline = bytesperline; |
| easycap_format[n].v4l2_format\ |
| .fmt.pix.sizeimage = sizeimage; |
| easycap_format[n].v4l2_format\ |
| .fmt.pix.colorspace = colorspace; |
| easycap_format[n].v4l2_format\ |
| .fmt.pix.priv = 0; |
| n++; |
| } |
| } |
| } |
| } |
| if ((1 + SETTINGS_MANY) <= n) |
| return -6; |
| easycap_format[n].mask = 0xFFFF; |
| return n; |
| } |
| /*---------------------------------------------------------------------------*/ |
| struct v4l2_queryctrl easycap_control[] = \ |
| {{ |
| .id = V4L2_CID_BRIGHTNESS, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Brightness", |
| .minimum = 0, |
| .maximum = 255, |
| .step = 1, |
| .default_value = SAA_0A_DEFAULT, |
| .flags = 0, |
| .reserved = {0, 0} |
| }, |
| /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| { |
| .id = V4L2_CID_CONTRAST, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Contrast", |
| .minimum = 0, |
| .maximum = 255, |
| .step = 1, |
| .default_value = SAA_0B_DEFAULT + 128, |
| .flags = 0, |
| .reserved = {0, 0} |
| }, |
| /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| { |
| .id = V4L2_CID_SATURATION, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Saturation", |
| .minimum = 0, |
| .maximum = 255, |
| .step = 1, |
| .default_value = SAA_0C_DEFAULT + 128, |
| .flags = 0, |
| .reserved = {0, 0} |
| }, |
| /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| { |
| .id = V4L2_CID_HUE, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Hue", |
| .minimum = 0, |
| .maximum = 255, |
| .step = 1, |
| .default_value = SAA_0D_DEFAULT + 128, |
| .flags = 0, |
| .reserved = {0, 0} |
| }, |
| /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| { |
| .id = V4L2_CID_AUDIO_VOLUME, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Volume", |
| .minimum = 0, |
| .maximum = 31, |
| .step = 1, |
| .default_value = 16, |
| .flags = 0, |
| .reserved = {0, 0} |
| }, |
| /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| { |
| .id = V4L2_CID_AUDIO_MUTE, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "Mute", |
| .default_value = true, |
| .flags = 0, |
| .reserved = {0, 0} |
| }, |
| /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| { |
| .id = 0xFFFFFFFF |
| } |
| }; |
| /*****************************************************************************/ |