2006-05-17 20:56:49 +00:00
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/* Copyright (C) Mark Sanderson, 2006, <mmp@kiora.ath.cx>.
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* Released under the terms and conditions of the GPL.
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*
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* 30-Mar-2006 Modified from tdfxfb.c by Mark Zealey
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*
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* Hints and tricks:
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* - Use -dr to get direct rendering
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* - Use -vf yuy2 to get yuy2 rendering, *MUCH* faster than yv12
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <fcntl.h>
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#include <linux/fb.h>
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2006-05-18 09:54:44 +00:00
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#include <sys/io.h>
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2006-05-17 20:56:49 +00:00
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#include "config.h"
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2006-05-18 09:21:45 +00:00
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#ifdef HAVE_SYS_MMAN_H
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#include <sys/mman.h>
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#endif
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2006-05-18 10:08:38 +00:00
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#include "mp_msg.h"
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2006-05-17 20:56:49 +00:00
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#include "fastmemcpy.h"
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#include "video_out.h"
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#include "video_out_internal.h"
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#include "aspect.h"
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#include "sub.h"
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static vo_info_t info =
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{
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"S3 Virge over fbdev",
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"s3fb",
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"Mark Sanderson <mmp@kiora.ath.cx>",
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""
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};
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LIBVO_EXTERN(s3fb)
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static int fd = -1;
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static struct fb_fix_screeninfo fb_finfo;
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static struct fb_var_screeninfo fb_vinfo;
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static uint32_t in_width, in_height, in_format, in_depth, in_s3_format,
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screenwidth, screenheight, screendepth, screenstride,
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vidwidth, vidheight, vidx, vidy, page, offset, sreg;
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static char *inpage, *inpage0, *smem = NULL;
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static void (*alpha_func)();
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static void clear_screen();
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/* streams registers */
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#define PSTREAM_CONTROL_REG 0x8180
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#define COL_CHROMA_KEY_CONTROL_REG 0x8184
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#define SSTREAM_CONTROL_REG 0x8190
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#define CHROMA_KEY_UPPER_BOUND_REG 0x8194
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#define SSTREAM_STRETCH_REG 0x8198
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#define BLEND_CONTROL_REG 0x81A0
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#define PSTREAM_FBADDR0_REG 0x81C0
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#define PSTREAM_FBADDR1_REG 0x81C4
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#define PSTREAM_STRIDE_REG 0x81C8
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#define DOUBLE_BUFFER_REG 0x81CC
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#define SSTREAM_FBADDR0_REG 0x81D0
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#define SSTREAM_FBADDR1_REG 0x81D4
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#define SSTREAM_STRIDE_REG 0x81D8
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#define OPAQUE_OVERLAY_CONTROL_REG 0x81DC
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#define K1_VSCALE_REG 0x81E0
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#define K2_VSCALE_REG 0x81E4
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#define DDA_VERT_REG 0x81E8
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#define STREAMS_FIFO_REG 0x81EC
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#define PSTREAM_START_REG 0x81F0
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#define PSTREAM_WINDOW_SIZE_REG 0x81F4
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#define SSTREAM_START_REG 0x81F8
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#define SSTREAM_WINDOW_SIZE_REG 0x81FC
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#define S3_MEMBASE sreg
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#define S3_NEWMMIO_REGBASE 0x1000000 /* 16MB */
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#define S3_NEWMMIO_REGSIZE 0x10000 /* 64KB */
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#define S3V_MMIO_REGSIZE 0x8000 /* 32KB */
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#define S3_NEWMMIO_VGABASE (S3_NEWMMIO_REGBASE + 0x8000)
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#define OUTREG(mmreg, value) *(unsigned int *)(&v.mmio[mmreg]) = value
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typedef struct vga_type {
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int cr38, cr39, cr53;
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unsigned char *mmio;
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} vga_t;
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int readcrtc(int reg) {
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outb(reg, 0x3d4);
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return inb(0x3d5);
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}
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void writecrtc(int reg, int value) {
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outb(reg, 0x3d4);
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outb(value, 0x3d5);
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}
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int enable(vga_t *v) {
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int fd;
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// enable registers
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if (iopl(3) != 0)
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return 0;
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v->cr38 = readcrtc(0x38);
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v->cr39 = readcrtc(0x39);
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v->cr53 = readcrtc(0x53);
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writecrtc(0x38, 0x48);
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writecrtc(0x39, 0xa5);
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writecrtc(0x53, 0x08);
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fd = open("/dev/mem", O_RDWR);
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v->mmio = mmap(0, S3_NEWMMIO_REGSIZE, PROT_READ|PROT_WRITE, MAP_SHARED, fd,
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S3_MEMBASE + S3_NEWMMIO_REGBASE);
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close(fd);
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return 1;
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}
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void disable(vga_t *v) {
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writecrtc(0x53, v->cr53);
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writecrtc(0x39, v->cr39);
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writecrtc(0x38, v->cr38);
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iopl(0);
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munmap(v->mmio, S3_NEWMMIO_REGSIZE);
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}
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int yuv_on(int format, int src_w, int src_h, int dst_x, int dst_y, int dst_w, int dst_h, int crop, int xres, int yres, int line_length, int offset) {
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int tmp, pitch, start, src_wc, src_hc, bpp;
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vga_t v;
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if (format == 0 || format == 7)
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bpp = 4;
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else if (format == 6)
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bpp = 3;
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else
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bpp = 2;
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src_wc = src_w - crop * 2;
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src_hc = src_h - crop * 2;
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pitch = src_w * bpp;
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// video card memory layout:
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// 0-n: visable screen memory, n = width * height * bytes per pixel
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// n-m: scaler source memory, n is aligned to a page boundary
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// m+: scaler source memory for multiple buffers
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// offset is the first aligned byte after the screen memory, where the scaler input buffer is
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tmp = (yres * line_length + 4095) & ~4095;
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offset += tmp;
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// start is the top left viewable scaler input pixel
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start = offset + crop * pitch + crop * bpp;
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if (!enable(&v))
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return 0;
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OUTREG(COL_CHROMA_KEY_CONTROL_REG, 0x47000000);
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OUTREG(CHROMA_KEY_UPPER_BOUND_REG, 0x0);
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OUTREG(BLEND_CONTROL_REG, 0x00000020);
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OUTREG(DOUBLE_BUFFER_REG, 0x0); /* Choose fbaddr0 as stream source. */
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OUTREG(OPAQUE_OVERLAY_CONTROL_REG, 0x0);
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OUTREG(PSTREAM_CONTROL_REG, 0x06000000);
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OUTREG(PSTREAM_FBADDR0_REG, 0x0);
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OUTREG(PSTREAM_FBADDR1_REG, 0x0);
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OUTREG(PSTREAM_STRIDE_REG, line_length);
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OUTREG(PSTREAM_START_REG, 0x00010001);
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OUTREG(PSTREAM_WINDOW_SIZE_REG, 0x00010001);
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//OUTREG(SSTREAM_WINDOW_SIZE_REG, ( ((xres-1) << 16) | yres) & 0x7ff07ff);
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if (dst_w == src_w)
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tmp = 0;
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else
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tmp = 2;
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/* format 1=YCbCr-16 2=YUV-16 3=BGR15 4=YUV-16/32(mixed 2/4byte stride) 5=BGR16 6=BGR24 0,7=BGR32 */
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/* The YUV format pixel has a range of value from 0 to 255, while the YCbCr format pixel values are in the range of 16 to 240. */
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OUTREG(SSTREAM_CONTROL_REG, tmp << 28 | (format << 24) |
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((((src_wc-1)<<1)-(dst_w-1)) & 0xfff));
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OUTREG(SSTREAM_STRETCH_REG,
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((src_wc - 1) & 0x7ff) | (((src_wc - dst_w-1) & 0x7ff) << 16));
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OUTREG(SSTREAM_FBADDR0_REG, start & 0x3fffff );
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OUTREG(SSTREAM_STRIDE_REG, pitch & 0xfff );
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OUTREG(SSTREAM_START_REG, ((dst_x + 1) << 16) | (dst_y + 1));
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OUTREG(SSTREAM_WINDOW_SIZE_REG, ( ((dst_w-1) << 16) | (dst_h ) ) & 0x7ff07ff);
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OUTREG(K1_VSCALE_REG, src_hc - 1 );
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OUTREG(K2_VSCALE_REG, (src_hc - dst_h) & 0x7ff );
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/* 0xc000 = bw & vert interp */
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/* 0x8000 = no bw save */
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OUTREG(DDA_VERT_REG, (((~dst_h)-1) & 0xfff ) | 0xc000);
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writecrtc(0x92, (((pitch + 7) / 8) >> 8) | 0x80);
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writecrtc(0x93, (pitch + 7) / 8);
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writecrtc(0x67, readcrtc(0x67) | 0x4);
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disable(&v);
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return offset;
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}
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void yuv_off() {
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vga_t v;
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enable(&v);
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writecrtc(0x67, readcrtc(0x67) & ~0xc);
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memset(v.mmio + 0x8180, 0, 0x80);
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OUTREG(0x81b8, 0x900);
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OUTREG(0x81bc, 0x900);
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OUTREG(0x81c8, 0x900);
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OUTREG(0x81cc, 0x900);
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OUTREG(0x81d8, 0x1);
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OUTREG(0x81f8, 0x07ff07ff);
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OUTREG(0x81fc, 0x00010001);
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writecrtc(0x92, 0);
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writecrtc(0x93, 0);
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disable(&v);
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}
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static int preinit(const char *arg)
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{
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char *name;
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if(arg)
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name = (char*)arg;
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else if(!(name = getenv("FRAMEBUFFER")))
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name = "/dev/fb0";
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if((fd = open(name, O_RDWR)) == -1) {
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2006-05-18 10:08:38 +00:00
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mp_msg(MSGT_VO, MSGL_FATAL, "s3fb: can't open %s: %s\n", name, strerror(errno));
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2006-05-17 20:56:49 +00:00
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return -1;
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}
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if(ioctl(fd, FBIOGET_FSCREENINFO, &fb_finfo)) {
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2006-05-18 10:08:38 +00:00
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mp_msg(MSGT_VO, MSGL_FATAL, "s3fb: problem with FBITGET_FSCREENINFO ioctl: %s\n",
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2006-05-17 20:56:49 +00:00
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strerror(errno));
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close(fd);
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fd = -1;
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return -1;
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}
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if(ioctl(fd, FBIOGET_VSCREENINFO, &fb_vinfo)) {
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2006-05-18 10:08:38 +00:00
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mp_msg(MSGT_VO, MSGL_FATAL, "s3fb: problem with FBITGET_VSCREENINFO ioctl: %s\n",
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2006-05-17 20:56:49 +00:00
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strerror(errno));
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close(fd);
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fd = -1;
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return -1;
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}
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// Check the depth now as config() musn't fail
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switch(fb_vinfo.bits_per_pixel) {
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case 16:
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case 24:
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case 32:
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break; // Ok
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default:
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2006-05-18 10:08:38 +00:00
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mp_msg(MSGT_VO, MSGL_FATAL, "s3fb: %d bpp output is not supported\n", fb_vinfo.bits_per_pixel);
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2006-05-17 20:56:49 +00:00
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close(fd);
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fd = -1;
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return -1;
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}
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/* Open up a window to the hardware */
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smem = mmap(0, fb_finfo.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
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sreg = fb_finfo.smem_start;
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if((long)smem == -1) {
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2006-05-18 10:08:38 +00:00
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mp_msg(MSGT_VO, MSGL_FATAL, "s3fb: Couldn't map memory areas: %s\n", strerror(errno));
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2006-05-17 20:56:49 +00:00
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if((long)smem != -1)
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munmap(smem, fb_finfo.smem_len);
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smem = NULL;
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return -1;
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}
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return 0;
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}
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static void uninit(void)
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{
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if (inpage0) {
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clear_screen();
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yuv_off();
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inpage0 = NULL;
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}
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/* And close our mess */
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if(smem) {
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munmap(smem, fb_finfo.smem_len);
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smem = NULL;
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}
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if(fd != -1) {
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close(fd);
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fd = -1;
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}
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}
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static void clear_screen()
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{
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if (inpage0) {
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int n;
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memset(smem, 0, screenheight * screenstride);
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if (in_format == IMGFMT_YUY2) {
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unsigned short *ptr;
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int i;
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ptr = (unsigned short *)inpage0;
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n = in_width * in_height;
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if (vo_doublebuffering)
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n *= 2;
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for(i=0; i<n; i++)
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*ptr++ = 0x8000;
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} else {
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n = in_depth * in_width * in_height;
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if (vo_doublebuffering)
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n *= 2;
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memset(inpage0, 0, n);
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}
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}
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}
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/* Setup output screen dimensions etc */
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static void setup_screen(uint32_t full)
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{
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int inpageoffset;
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aspect(&vidwidth, &vidheight, full ? A_ZOOM : A_NOZOOM);
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// center picture
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vidx = (screenwidth - vidwidth) / 2;
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vidy = (screenheight - vidheight) / 2;
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geometry(&vidx, &vidy, &vidwidth, &vidheight, screenwidth, screenheight);
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vo_fs = full;
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inpageoffset = yuv_on(in_s3_format, in_width, in_height, vidx, vidy, vidwidth, vidheight, 0, screenwidth, screenheight, screenstride, 0);
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inpage0 = smem + inpageoffset;
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|
|
inpage = inpage0;
|
2006-05-18 10:08:38 +00:00
|
|
|
mp_msg(MSGT_VO, MSGL_INFO, "s3fb: output is at %dx%d +%dx%d\n", vidx, vidy, vidwidth, vidheight);
|
2006-05-17 20:56:49 +00:00
|
|
|
|
|
|
|
clear_screen();
|
|
|
|
}
|
|
|
|
|
|
|
|
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)
|
|
|
|
{
|
|
|
|
screenwidth = fb_vinfo.xres;
|
|
|
|
screenheight = fb_vinfo.yres;
|
|
|
|
screenstride = fb_finfo.line_length;
|
|
|
|
aspect_save_screenres(fb_vinfo.xres,fb_vinfo.yres);
|
|
|
|
|
|
|
|
in_width = width;
|
|
|
|
in_height = height;
|
|
|
|
in_format = format;
|
|
|
|
aspect_save_orig(width,height);
|
|
|
|
|
|
|
|
aspect_save_prescale(d_width,d_height);
|
|
|
|
|
|
|
|
/* Setup the screen for rendering to */
|
|
|
|
screendepth = fb_vinfo.bits_per_pixel / 8;
|
|
|
|
|
|
|
|
switch(in_format) {
|
|
|
|
|
|
|
|
case IMGFMT_YUY2:
|
|
|
|
in_depth = 2;
|
|
|
|
in_s3_format = 1;
|
|
|
|
alpha_func = vo_draw_alpha_yuy2;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case IMGFMT_BGR15:
|
|
|
|
in_depth = 2;
|
|
|
|
in_s3_format = 3;
|
|
|
|
alpha_func = vo_draw_alpha_rgb16;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case IMGFMT_BGR16:
|
|
|
|
in_depth = 2;
|
|
|
|
in_s3_format = 5;
|
|
|
|
alpha_func = vo_draw_alpha_rgb16;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case IMGFMT_BGR24:
|
|
|
|
in_depth = 3;
|
|
|
|
in_s3_format = 6;
|
|
|
|
alpha_func = vo_draw_alpha_rgb24;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case IMGFMT_BGR32:
|
|
|
|
in_depth = 4;
|
|
|
|
in_s3_format = 7;
|
|
|
|
alpha_func = vo_draw_alpha_rgb32;
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2006-05-18 10:08:38 +00:00
|
|
|
mp_msg(MSGT_VO, MSGL_FATAL, "s3fb: Eik! Something's wrong with control().\n");
|
2006-05-17 20:56:49 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
offset = in_width * in_depth * in_height;
|
|
|
|
if (vo_doublebuffering)
|
|
|
|
page = offset;
|
|
|
|
else
|
|
|
|
page = 0;
|
|
|
|
|
|
|
|
if(screenheight * screenstride + page + offset > fb_finfo.smem_len) {
|
2006-05-18 10:08:38 +00:00
|
|
|
mp_msg(MSGT_VO, MSGL_FATAL, "s3fb: Not enough video memory to play this movie. Try at a lower resolution\n");
|
2006-05-17 20:56:49 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
setup_screen(flags & VOFLAG_FULLSCREEN);
|
|
|
|
if (vo_doublebuffering)
|
|
|
|
inpage = inpage0 + page;
|
|
|
|
|
2006-05-18 10:08:38 +00:00
|
|
|
mp_msg(MSGT_VO, MSGL_INFO, "s3fb: screen is %dx%d at %d bpp, in is %dx%d at %d bpp, norm is %dx%d\n",
|
2006-05-17 20:56:49 +00:00
|
|
|
screenwidth, screenheight, screendepth * 8,
|
|
|
|
in_width, in_height, in_depth * 8,
|
|
|
|
d_width, d_height);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void draw_alpha(int x, int y, int w, int h, unsigned char *src,
|
|
|
|
unsigned char *srca, int stride)
|
|
|
|
{
|
|
|
|
char *dst = inpage + (y * in_width + x) * in_depth;
|
|
|
|
alpha_func(w, h, src, srca, stride, dst, in_width * in_depth);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void draw_osd(void)
|
|
|
|
{
|
|
|
|
if (!vo_doublebuffering)
|
|
|
|
vo_draw_text(in_width, in_height, draw_alpha);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Render onto the screen */
|
|
|
|
static void flip_page(void)
|
|
|
|
{
|
|
|
|
if(vo_doublebuffering) {
|
|
|
|
vo_draw_text(in_width, in_height, draw_alpha);
|
|
|
|
yuv_on(in_s3_format, in_width, in_height, vidx, vidy, vidwidth, vidheight, 0, screenwidth, screenheight, screenstride, page);
|
|
|
|
page ^= offset;
|
|
|
|
inpage = inpage0 + page;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static int draw_frame(uint8_t *src[])
|
|
|
|
{
|
|
|
|
mem2agpcpy(inpage, src[0], in_width * in_depth * in_height);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int draw_slice(uint8_t *i[], int s[], int w, int h, int x, int y)
|
|
|
|
{
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Attempt to start doing DR */
|
|
|
|
static uint32_t get_image(mp_image_t *mpi)
|
|
|
|
{
|
|
|
|
|
|
|
|
if(mpi->flags & MP_IMGFLAG_READABLE)
|
|
|
|
return VO_FALSE;
|
|
|
|
if(mpi->type == MP_IMGTYPE_STATIC && vo_doublebuffering)
|
|
|
|
return VO_FALSE;
|
|
|
|
if(mpi->type > MP_IMGTYPE_TEMP)
|
|
|
|
return VO_FALSE; // TODO ??
|
|
|
|
|
|
|
|
switch(in_format) {
|
|
|
|
case IMGFMT_BGR15:
|
|
|
|
case IMGFMT_BGR16:
|
|
|
|
case IMGFMT_BGR24:
|
|
|
|
case IMGFMT_BGR32:
|
|
|
|
case IMGFMT_YUY2:
|
|
|
|
mpi->planes[0] = inpage;
|
|
|
|
mpi->stride[0] = in_width * in_depth;
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
return VO_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
mpi->width = in_width;
|
|
|
|
mpi->flags |= MP_IMGFLAG_DIRECT;
|
|
|
|
|
|
|
|
return VO_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int control(uint32_t request, void *data, ...)
|
|
|
|
{
|
|
|
|
switch(request) {
|
|
|
|
case VOCTRL_GET_IMAGE:
|
|
|
|
return get_image(data);
|
|
|
|
|
|
|
|
case VOCTRL_QUERY_FORMAT:
|
|
|
|
switch(*((uint32_t*)data)) {
|
|
|
|
case IMGFMT_BGR15:
|
|
|
|
case IMGFMT_BGR16:
|
|
|
|
case IMGFMT_BGR24:
|
|
|
|
case IMGFMT_BGR32:
|
|
|
|
case IMGFMT_YUY2:
|
|
|
|
return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW |
|
|
|
|
VFCAP_OSD | VFCAP_HWSCALE_UP | VFCAP_HWSCALE_DOWN;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0; /* Not supported */
|
|
|
|
|
|
|
|
case VOCTRL_FULLSCREEN:
|
|
|
|
setup_screen(!vo_fs);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
return VO_NOTIMPL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Dummy funcs */
|
|
|
|
static void check_events(void) {}
|