diff options
Diffstat (limited to 'libvo/vo_fbdev2.c')
-rw-r--r-- | libvo/vo_fbdev2.c | 412 |
1 files changed, 0 insertions, 412 deletions
diff --git a/libvo/vo_fbdev2.c b/libvo/vo_fbdev2.c deleted file mode 100644 index bec9fea8ff..0000000000 --- a/libvo/vo_fbdev2.c +++ /dev/null @@ -1,412 +0,0 @@ -/* - * video driver for framebuffer device - * copyright (C) 2003 Joey Parrish <joey@nicewarrior.org> - * - * This file is part of MPlayer. - * - * MPlayer 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. - * - * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <fcntl.h> -#include <unistd.h> -#include <errno.h> - -#include <sys/mman.h> -#include <sys/ioctl.h> -#include <linux/fb.h> - -#include "config.h" -#include "video_out.h" -#include "video_out_internal.h" -#include "fastmemcpy.h" -#include "sub/sub.h" -#include "mp_msg.h" -#include "aspect.h" -#include "libavutil/common.h" - -static const vo_info_t info = { - "Framebuffer Device", - "fbdev2", - "Joey Parrish <joey@nicewarrior.org>", - "" -}; - -const LIBVO_EXTERN(fbdev2) - -static void set_bpp(struct fb_var_screeninfo *p, int bpp) -{ - p->bits_per_pixel = (bpp + 1) & ~1; - p->red.msb_right = p->green.msb_right = p->blue.msb_right = p->transp.msb_right = 0; - p->transp.offset = p->transp.length = 0; - p->blue.offset = 0; - switch (bpp) { - case 32: - p->transp.offset = 24; - p->transp.length = 8; - case 24: - p->red.offset = 16; - p->red.length = 8; - p->green.offset = 8; - p->green.length = 8; - p->blue.length = 8; - break; - case 16: - p->red.offset = 11; - p->green.length = 6; - p->red.length = 5; - p->green.offset = 5; - p->blue.length = 5; - break; - case 15: - p->red.offset = 10; - p->green.length = 5; - p->red.length = 5; - p->green.offset = 5; - p->blue.length = 5; - break; - case 12: - p->red.offset = 8; - p->green.length = 4; - p->red.length = 4; - p->green.offset = 4; - p->blue.length = 4; - break; - } -} - -static char *fb_dev_name = NULL; // such as /dev/fb0 -static int fb_dev_fd; // handle for fb_dev_name -static uint8_t *frame_buffer = NULL; // mmap'd access to fbdev -static uint8_t *center = NULL; // where to begin writing our image (centered?) -static struct fb_fix_screeninfo fb_finfo; // fixed info -static struct fb_var_screeninfo fb_vinfo; // variable info -static struct fb_var_screeninfo fb_orig_vinfo; // variable info to restore later -static unsigned short fb_ored[256], fb_ogreen[256], fb_oblue[256]; -static struct fb_cmap fb_oldcmap = { 0, 256, fb_ored, fb_ogreen, fb_oblue }; -static int fb_cmap_changed = 0; // to restore map -static int fb_pixel_size; // 32: 4 24: 3 16: 2 15: 2 -static int fb_bpp; // 32: 32 24: 24 16: 16 15: 15 -static size_t fb_size; // size of frame_buffer -static int fb_line_len; // length of one line in bytes -static void (*draw_alpha_p)(int w, int h, unsigned char *src, - unsigned char *srca, int stride, unsigned char *dst, - int dstride); - -static uint8_t *next_frame = NULL; // for double buffering -static int in_width; -static int in_height; - -static struct fb_cmap *make_directcolor_cmap(struct fb_var_screeninfo *var) -{ - int i, cols, rcols, gcols, bcols; - uint16_t *red, *green, *blue; - struct fb_cmap *cmap; - - rcols = 1 << var->red.length; - gcols = 1 << var->green.length; - bcols = 1 << var->blue.length; - - /* Make our palette the length of the deepest color */ - cols = FFMAX3(rcols, gcols, bcols); - - red = malloc(3 * cols * sizeof(red[0])); - if(!red) { - mp_msg(MSGT_VO, MSGL_ERR, "[fbdev2] Can't allocate red palette with %d entries.\n", cols); - return NULL; - } - green = red + cols; - blue = green + cols; - for (i = 0; i < cols; i++) { - red[i] = (65535/(rcols-1)) * i; - green[i] = (65535/(gcols-1)) * i; - blue[i] = (65535/(bcols-1)) * i; - } - - cmap = malloc(sizeof(struct fb_cmap)); - if(!cmap) { - mp_msg(MSGT_VO, MSGL_ERR, "[fbdev2] Can't allocate color map\n"); - free(red); - return NULL; - } - cmap->start = 0; - cmap->transp = 0; - cmap->len = cols; - cmap->red = red; - cmap->blue = blue; - cmap->green = green; - cmap->transp = NULL; - - return cmap; -} - -static int fb_preinit(int reset) -{ - static int fb_preinit_done = 0; - static int fb_err = -1; - - if (reset) { - fb_preinit_done = 0; - return 0; - } - - if (fb_preinit_done) - return fb_err; - fb_preinit_done = 1; - - if (!fb_dev_name && !(fb_dev_name = getenv("FRAMEBUFFER"))) - fb_dev_name = strdup("/dev/fb0"); - - mp_msg(MSGT_VO, MSGL_V, "[fbdev2] Using device %s\n", fb_dev_name); - - if ((fb_dev_fd = open(fb_dev_name, O_RDWR)) == -1) { - mp_msg(MSGT_VO, MSGL_ERR, "[fbdev2] Can't open %s: %s\n", fb_dev_name, strerror(errno)); - goto err_out; - } - if (ioctl(fb_dev_fd, FBIOGET_VSCREENINFO, &fb_vinfo)) { - mp_msg(MSGT_VO, MSGL_ERR, "[fbdev2] Can't get VSCREENINFO: %s\n", strerror(errno)); - goto err_out; - } - fb_orig_vinfo = fb_vinfo; - - fb_bpp = fb_vinfo.bits_per_pixel; - - /* 16 and 15 bpp is reported as 16 bpp */ - if (fb_bpp == 16) - fb_bpp = fb_vinfo.red.length + fb_vinfo.green.length + - fb_vinfo.blue.length; - - fb_err = 0; - return 0; -err_out: - if (fb_dev_fd >= 0) close(fb_dev_fd); - fb_dev_fd = -1; - fb_err = -1; - return -1; -} - -static int preinit(const char *subdevice) -{ - if (subdevice) - { - free(fb_dev_name); - fb_dev_name = strdup(subdevice); - } - return fb_preinit(0); -} - -static int config(uint32_t width, uint32_t height, uint32_t d_width, - uint32_t d_height, uint32_t flags, char *title, - uint32_t format) -{ - struct fb_cmap *cmap; - int fs = flags & VOFLAG_FULLSCREEN; - int x_offset = vo_dx + (d_width - width ) / 2; - int y_offset = vo_dy + (d_height - height) / 2; - x_offset = av_clip(x_offset, 0, fb_vinfo.xres - width); - y_offset = av_clip(y_offset, 0, fb_vinfo.yres - height); - - in_width = width; - in_height = height; - - if (fb_vinfo.xres < in_width || fb_vinfo.yres < in_height) { - mp_msg(MSGT_VO, MSGL_ERR, "[fbdev2] Screensize is smaller than video size (%dx%d < %dx%d)\n", - fb_vinfo.xres, fb_vinfo.yres, in_width, in_height); - return 1; - } - - switch (fb_bpp) { - case 32: draw_alpha_p = vo_draw_alpha_rgb32; break; - case 24: draw_alpha_p = vo_draw_alpha_rgb24; break; - case 16: draw_alpha_p = vo_draw_alpha_rgb16; break; - case 15: draw_alpha_p = vo_draw_alpha_rgb15; break; - case 12: draw_alpha_p = vo_draw_alpha_rgb12; break; - default: return 1; - } - - if (vo_config_count == 0) { - if (ioctl(fb_dev_fd, FBIOGET_FSCREENINFO, &fb_finfo)) { - mp_msg(MSGT_VO, MSGL_ERR, "[fbdev2] Can't get FSCREENINFO: %s\n", strerror(errno)); - return 1; - } - - if (fb_finfo.type != FB_TYPE_PACKED_PIXELS) { - mp_msg(MSGT_VO, MSGL_ERR, "[fbdev2] type %d not supported\n", fb_finfo.type); - return 1; - } - - switch (fb_finfo.visual) { - case FB_VISUAL_TRUECOLOR: - break; - case FB_VISUAL_DIRECTCOLOR: - mp_msg(MSGT_VO, MSGL_V, "[fbdev2] creating cmap for directcolor\n"); - if (ioctl(fb_dev_fd, FBIOGETCMAP, &fb_oldcmap)) { - mp_msg(MSGT_VO, MSGL_ERR, "[fbdev2] can't get cmap: %s\n", strerror(errno)); - return 1; - } - if (!(cmap = make_directcolor_cmap(&fb_vinfo))) - return 1; - if (ioctl(fb_dev_fd, FBIOPUTCMAP, cmap)) { - mp_msg(MSGT_VO, MSGL_ERR, "[fbdev2] can't put cmap: %s\n", strerror(errno)); - free(cmap->red); - free(cmap); - return 1; - } - fb_cmap_changed = 1; - free(cmap->red); - free(cmap); - break; - default: - mp_msg(MSGT_VO, MSGL_ERR, "[fbdev2] visual: %d not yet supported\n", fb_finfo.visual); - return 1; - } - - fb_size = fb_finfo.smem_len; - fb_line_len = fb_finfo.line_length; - if ((frame_buffer = (uint8_t *) mmap(0, fb_size, PROT_READ | PROT_WRITE, MAP_SHARED, fb_dev_fd, 0)) == (uint8_t *) -1) { - mp_msg(MSGT_VO, MSGL_ERR, "[fbdev2] Can't mmap %s: %s\n", fb_dev_name, strerror(errno)); - return 1; - } - } - - center = frame_buffer + - x_offset * fb_pixel_size + - y_offset * fb_line_len; - -#ifndef USE_CONVERT2FB - if (!(next_frame = realloc(next_frame, in_width * in_height * fb_pixel_size))) { - mp_msg(MSGT_VO, MSGL_ERR, "[fbdev2] Can't malloc next_frame: %s\n", strerror(errno)); - return 1; - } -#endif - if (fs) memset(frame_buffer, '\0', fb_line_len * fb_vinfo.yres); - - return 0; -} - -static int query_format(uint32_t format) -{ - // open the device, etc. - if (fb_preinit(0)) return 0; - if ((format & IMGFMT_BGR_MASK) == IMGFMT_BGR) { - int fb_target_bpp = format & 0xff; - set_bpp(&fb_vinfo, fb_target_bpp); - fb_vinfo.xres_virtual = fb_vinfo.xres; - fb_vinfo.yres_virtual = fb_vinfo.yres; - if (ioctl(fb_dev_fd, FBIOPUT_VSCREENINFO, &fb_vinfo)) - // Needed for Intel framebuffer with 32 bpp - fb_vinfo.transp.length = fb_vinfo.transp.offset = 0; - if (ioctl(fb_dev_fd, FBIOPUT_VSCREENINFO, &fb_vinfo)) { - mp_msg(MSGT_VO, MSGL_ERR, "[fbdev2] Can't put VSCREENINFO: %s\n", strerror(errno)); - return 0; - } - fb_pixel_size = fb_vinfo.bits_per_pixel / 8; - fb_bpp = fb_vinfo.bits_per_pixel; - if (fb_bpp == 16) - fb_bpp = fb_vinfo.red.length + fb_vinfo.green.length + fb_vinfo.blue.length; - if (fb_bpp == fb_target_bpp) - return VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW|VFCAP_ACCEPT_STRIDE; - } - return 0; -} - -static void draw_alpha(int x0, int y0, int w, int h, unsigned char *src, - unsigned char *srca, int stride) -{ - unsigned char *dst; - int dstride; - -#ifdef USE_CONVERT2FB - dst = center + (fb_line_len * y0) + (x0 * fb_pixel_size); - dstride = fb_line_len; -#else - dst = next_frame + (in_width * y0 + x0) * fb_pixel_size; - dstride = in_width * fb_pixel_size; -#endif - (*draw_alpha_p)(w, h, src, srca, stride, dst, dstride); -} - -static void draw_osd(void) -{ - vo_draw_text(in_width, in_height, draw_alpha); -} - -// all csp support stride -static int draw_frame(uint8_t *src[]) { return 1; } - -static int draw_slice(uint8_t *src[], int stride[], int w, int h, int x, int y) -{ - uint8_t *in = src[0]; -#ifdef USE_CONVERT2FB - uint8_t *dest = center + (fb_line_len * y) + (x * fb_pixel_size); - int next = fb_line_len; -#else - uint8_t *dest = next_frame + (in_width * y + x) * fb_pixel_size; - int next = in_width * fb_pixel_size; -#endif - - memcpy_pic(dest, in, w * fb_pixel_size, h, next, stride[0]); - return 0; -} - -static void check_events(void) -{ -} - -static void flip_page(void) -{ -#ifndef USE_CONVERT2FB - int out_offset = 0, in_offset = 0; - - memcpy_pic(center + out_offset, next_frame + in_offset, - in_width * fb_pixel_size, in_height, - fb_line_len, in_width * fb_pixel_size); -#endif -} - -static void uninit(void) -{ - if (fb_cmap_changed) { - if (ioctl(fb_dev_fd, FBIOPUTCMAP, &fb_oldcmap)) - mp_msg(MSGT_VO, MSGL_ERR, "[fbdev2] Can't restore original cmap\n"); - fb_cmap_changed = 0; - } - free(next_frame); - if (fb_dev_fd >= 0) { - if (ioctl(fb_dev_fd, FBIOPUT_VSCREENINFO, &fb_orig_vinfo)) - mp_msg(MSGT_VO, MSGL_ERR, "[fbdev2] Can't reset original fb_var_screeninfo: %s\n", strerror(errno)); - close(fb_dev_fd); - fb_dev_fd = -1; - } - if(frame_buffer) munmap(frame_buffer, fb_size); - next_frame = frame_buffer = NULL; - fb_preinit(1); // so that later calls to preinit don't fail -} - -static int control(uint32_t request, void *data) -{ - switch (request) { - case VOCTRL_QUERY_FORMAT: - return query_format(*((uint32_t*)data)); - case VOCTRL_UPDATE_SCREENINFO: - vo_screenwidth = fb_vinfo.xres; - vo_screenheight = fb_vinfo.yres; - aspect_save_screenres(vo_screenwidth, vo_screenheight); - return VO_TRUE; - } - return VO_NOTIMPL; -} |