mirror of
https://github.com/mpv-player/mpv
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e8793e8c86
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5866 b3059339-0415-0410-9bf9-f77b7e298cf2
713 lines
19 KiB
C
713 lines
19 KiB
C
/*
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* vo_zr.c - playback on zoran cards
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* Copyright (C) Rik Snel 2001,2002, License GNU GPL v2
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*/
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/* $Id$ */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/mman.h>
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#include <sys/ioctl.h>
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#include <linux/types.h>
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#include <linux/videodev.h>
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#include "videodev_mjpeg.h"
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#include "config.h"
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#include "video_out.h"
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#include "video_out_internal.h"
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#include "../mp_msg.h"
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#include "../cfgparser.h"
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#include "fastmemcpy.h"
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#include "jpeg_enc.h"
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LIBVO_EXTERN (zr)
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static vo_info_t vo_info =
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{
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"Zoran ZR360[56]7/ZR36060 Driver (DC10(+)/buz/lml33/MatroxRR)",
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"zr",
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"Rik Snel <snel@phys.uu.nl>",
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""
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};
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/* General variables */
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static int image_width;
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static int image_height;
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static int off_y, off_c, stride; /* for use by 'draw slice/frame' */
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static int framenum;
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static int fields = 1; /* currently no interlacing */
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static int zrfd = 0;
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static int bw = 0; /* if bw == 1, then display in black&white */
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static int vdec = 1;
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static int hdec = 1;
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static int size;
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static int quality = 2;
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static unsigned char *y_data, *u_data, *v_data;
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static int y_stride, u_stride, v_stride;
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typedef struct {
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int width;
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int height;
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int xoff;
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int yoff;
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int set;
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} geo;
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geo g = {0, 0, 0, 0, 0};
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static uint8_t *image=NULL;
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static uint8_t *buf=NULL;
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static jpeg_enc_t *j;
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/* Variables needed for Zoran */
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int vdes; /* the file descriptor of the video device */
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int frame = 0, synco = 0, queue = 0; /* buffer management */
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struct mjpeg_params zp;
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struct mjpeg_requestbuffers zrq;
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struct mjpeg_sync zs;
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struct video_capability vc;
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#define MJPEG_NBUFFERS 2
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#define MJPEG_SIZE 1024*256
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//should be command line options
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int norm = VIDEO_MODE_AUTO;
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#if 0
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#ifndef VO_ZR_DEFAULT_DEVICE
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#define VO_ZR_DEFAULT_DEVICE "/dev/video"
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#endif
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#endif
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char *device = NULL;
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int zoran_getcap() {
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char* dev;
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if (device)
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dev = device;
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else { /* code borrowed from mjpegtools lavplay.c // 20020416 too */
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struct stat vstat;
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#undef VIDEV
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#define VIDEV "/dev/video"
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if (stat(VIDEV, &vstat) == 0 && S_ISCHR(vstat.st_mode))
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dev = VIDEV;
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#undef VIDEV
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#define VIDEV "/dev/video0"
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else if (stat(VIDEV, &vstat) == 0 && S_ISCHR(vstat.st_mode))
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dev = VIDEV;
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#undef VIDEV
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#define VIDEV "/dev/v4l/video0"
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else if (stat(VIDEV, &vstat) == 0 && S_ISCHR(vstat.st_mode))
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dev = VIDEV;
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#undef VIDEV
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#define VIDEV "/dev/v4l0"
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else if (stat(VIDEV, &vstat) == 0 && S_ISCHR(vstat.st_mode))
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dev = VIDEV;
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#undef VIDEV
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#define VIDEV "/dev/v4l"
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else if (stat(VIDEV, &vstat) == 0 && S_ISCHR(vstat.st_mode))
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dev = VIDEV;
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#undef VIDEV
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else {
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mp_msg(MSGT_VO, MSGL_ERR, "zr: unable to find video device\n");
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return 1;
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}
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mp_msg(MSGT_VO, MSGL_V, "zr: found video device %s\n", dev);
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}
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vdes = open(dev, O_RDWR);
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if (vdes < 0) {
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mp_msg(MSGT_VO, MSGL_ERR, "zr: error opening %s: %s\n",
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dev, strerror(errno));
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return 1;
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}
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/* before we can ask for the maximum resolution, we must set
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* the correct tv norm */
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if (ioctl(vdes, MJPIOC_G_PARAMS, &zp) < 0) {
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mp_msg(MSGT_VO, MSGL_ERR, "zr: device at %s is probably not a DC10(+)/buz/lml33\n", dev);
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return 1;
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}
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if (zp.norm != norm && norm != VIDEO_MODE_AUTO) {
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/* attempt to set requested norm */
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zp.norm = norm;
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if (ioctl(vdes, MJPIOC_S_PARAMS, &zp) < 0) {
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mp_msg(MSGT_VO, MSGL_ERR,
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"zr: unable to change video norm, use another program to change it (XawTV)\n");
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return 1;
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}
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ioctl(vdes, MJPIOC_G_PARAMS, &zp);
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if (norm != zp.norm) {
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mp_msg(MSGT_VO, MSGL_ERR,
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"zr: unable to change video norm, use another program to change it (XawTV)\n");
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return 1;
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}
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}
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if (ioctl(vdes, VIDIOCGCAP, &vc) < 0) {
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mp_msg(MSGT_VO, MSGL_ERR, "zr: error getting video capabilities from %s\n");
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return 1;
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}
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mp_msg(MSGT_VO, MSGL_V, "zr: MJPEG card reports maxwidth=%d, maxheight=%d\n", vc.maxwidth, vc.maxheight);
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return 0;
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}
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int init_zoran(int zrhdec, int zrvdec) {
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/* center the image, and stretch it as far as possible (try to keep
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* aspect) and check if it fits */
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if (image_width > vc.maxwidth) {
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mp_msg(MSGT_VO, MSGL_ERR, "zr: movie to be played is too wide, max width currenty %d\n", vc.maxwidth);
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return 1;
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}
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if (image_height > vc.maxheight) {
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mp_msg(MSGT_VO, MSGL_ERR, "zr: movie to be played is too high, max height currenty %d\n", vc.maxheight);
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return 1;
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}
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zp.decimation = 0;
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zp.HorDcm = zrhdec;
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zp.VerDcm = zrvdec;
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zp.TmpDcm = 1;
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zp.field_per_buff = fields;
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zp.img_x = (vc.maxwidth - zp.HorDcm*(int)image_width/hdec)/2;
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zp.img_y = (vc.maxheight - zp.VerDcm*(3-fields)*(int)image_height)/4;
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zp.img_width = zp.HorDcm*image_width/hdec;
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zp.img_height = zp.VerDcm*image_height/fields;
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mp_msg(MSGT_VO, MSGL_V, "zr: geometry (after 'scaling'): %dx%d+%d+%d fields=%d, w=%d, h=%d\n", zp.img_width, (3-fields)*zp.img_height, zp.img_x, zp.img_y, fields, image_width/hdec, image_height);
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if (ioctl(vdes, MJPIOC_S_PARAMS, &zp) < 0) {
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mp_msg(MSGT_VO, MSGL_ERR, "zr: error setting display parameters\n");
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return 1;
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}
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zrq.count = MJPEG_NBUFFERS;
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zrq.size = MJPEG_SIZE;
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if (ioctl(vdes, MJPIOC_REQBUFS, &zrq)) {
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mp_msg(MSGT_VO, MSGL_ERR, "zr: error requesting %d buffers of size %d\n", zrq.count, zrq.size);
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return 1;
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}
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buf = (char*)mmap(0, zrq.count*zrq.size, PROT_READ|PROT_WRITE,
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MAP_SHARED, vdes, 0);
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if (buf == MAP_FAILED) {
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mp_msg(MSGT_VO, MSGL_ERR, "zr: error requesting %d buffers of size %d\n", zrq.count, zrq.size);
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return 1;
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}
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return 0;
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}
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void uninit_zoran(void) {
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if (image) {
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free(image);
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image=NULL;
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}
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while (queue > synco + 1) {
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if (ioctl(vdes, MJPIOC_SYNC, &zs) < 0)
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mp_msg(MSGT_VO, MSGL_ERR, "zr: error waiting for buffers to become free\n");
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synco++;
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}
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/* stop streaming */
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frame = -1;
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if (ioctl(vdes, MJPIOC_QBUF_PLAY, &frame) < 0)
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mp_msg(MSGT_VO, MSGL_ERR, "zr: error stopping playback of last frame\n");
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close(vdes);
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}
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static uint32_t config(uint32_t width, uint32_t height, uint32_t d_width,
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uint32_t d_height, uint32_t fullscreen, char *title, uint32_t format,const vo_tune_info_t *info)
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{
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int i, stretchx, stretchy;
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/* this allows to crop parts from incoming picture,
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* for easy 512x240 -> 352x240 */
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/* These values must be multples of 2 */
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if (format != IMGFMT_YV12 && format != IMGFMT_YUY2) {
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printf("vo_zr called with wrong format");
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exit(1);
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}
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stride = 2*width;
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if (g.set) {
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if (g.width%2 != 0 || g.height%2 != 0 ||
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g.xoff%2 != 0 || g.yoff%2 != 0) {
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mp_msg(MSGT_VO, MSGL_ERR, "zr: arguments in -zrcrop must be multiples of 2\n");
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return 1;
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}
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if (g.width <= 0 || g.height <= 0 ||
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g.xoff < 0 || g.yoff < 0) {
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mp_msg(MSGT_VO, MSGL_ERR, "zr: width and height must be positive and offset nonnegative\n");
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return 1;
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}
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if (g.width + g.xoff > width) {
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mp_msg(MSGT_VO, MSGL_ERR, "zr: width+xoffset (%d+%d>%d) is too big\n", g.width, g.xoff, width);
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return 1;
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}
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if (g.height + g.yoff > height) {
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mp_msg(MSGT_VO, MSGL_ERR, "zr: height+yoffset (%d+%d>%d) is too big\n", g.height, g.yoff, height);
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return 1;
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}
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} else {
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g.width = width;
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g.height = height;
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g.xoff = 0;
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g.yoff = 0;
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g.set = 1;
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}
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/* we must know the maximum resolution of the device
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* it differs for DC10+ and buz for example */
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zoran_getcap(); /*must be called before init_zoran */
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/* make the scaling decision
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* we are capable of stretching the image in the horizontal
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* direction by factors 1, 2 and 4
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* we can stretch the image in the vertical direction by a factor
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* of 1 and 2 AND we must decide about interlacing */
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if (g.width > vc.maxwidth/2 || g.height > vc.maxheight/2) {
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stretchx = 1;
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stretchy = 1;
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fields = 2;
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if (vdec == 2) {
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fields = 1;
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} else if (vdec == 4) {
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fields = 1;
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stretchy = 2;
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}
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stretchx = hdec;
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} else if (g.width > vc.maxwidth/4 || g.height > vc.maxheight/4) {
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stretchx = 2;
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stretchy = 1;
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fields = 1;
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if (vdec == 2) {
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stretchy = 2;
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} else if (vdec == 4) {
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if (!zrfd) {
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mp_msg(MSGT_VO, MSGL_WARN, "zr: vertical decimation too high, changing to 2 (use -zrfd to keep vdec=4)\n");
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vdec = 2;
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}
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stretchy = 2;
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}
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if (hdec == 2) {
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stretchx = 4;
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} else if (hdec == 4){
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if (!zrfd) {
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mp_msg(MSGT_VO, MSGL_WARN, "zr: horizontal decimation too high, changing to 2 (use -zrfd to keep hdec=4)\n");
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hdec = 2;
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}
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stretchx = 4;
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}
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} else {
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/* output image is maximally stretched */
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stretchx = 4;
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stretchy = 2;
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fields = 1;
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if (vdec != 1 && !zrfd) {
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mp_msg(MSGT_VO, MSGL_WARN, "zr: vertical decimation too high, changing to 1 (use -zrfd to keep vdec=%d)\n", vdec);
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vdec = 1;
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}
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if (hdec != 1 && !zrfd) {
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mp_msg(MSGT_VO, MSGL_WARN, "zr: vertical decimation too high, changing to 1 (use -zrfd to keep hdec=%d)\n", hdec);
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hdec = 1;
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}
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}
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/* It can be that the original frame was too big for display,
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* or that the width of the decimated image (for example) after
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* padding up to a multiple of 16 has become too big. (orig
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* width 720 (exactly right for the Buz) after decimation 360,
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* after padding up to a multiple of 16 368, display 736 -> too
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* large). In these situations we auto(re)crop. */
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i = 16*((g.width - 1)/(hdec*16) + 1);
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if (stretchx*i > vc.maxwidth) {
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g.xoff += 2*((g.width - hdec*(i-16))/4);
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/* g.off must be a multiple of 2 */
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g.width = hdec*(i - 16);
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g.set = 0; /* we abuse this field to report that g has changed*/
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}
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i = 8*fields*((g.height - 1)/(vdec*fields*8) + 1);
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if (stretchy*i > vc.maxheight) {
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g.yoff += 2*((g.height - vdec*(i - 8*fields))/4);
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g.height = vdec*(i - 8*fields);
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g.set = 0;
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}
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if (!g.set)
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mp_msg(MSGT_VO, MSGL_V, "zr: auto(re)cropping %dx%d+%d+%d to make the image fit on the screen\n", g.width, g.height, g.xoff, g.yoff);
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/* the height must be a multiple of fields*8 and the width
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* must be a multiple of 16 */
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/* add some black borders to make it so, and center the image*/
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image_height = fields*8*((g.height/vdec - 1)/(fields*8) + 1);
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image_width = (hdec*16)*((g.width - 1)/(hdec*16) + 1);
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off_y = (image_height - g.height/vdec)/2;
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if (off_y%2 != 0) off_y++;
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off_y *= image_width;
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off_c = off_y/4;
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off_y += (image_width - g.width)/2;
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if (off_y%2 != 0) off_y--;
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off_c += (image_width - g.width)/4;
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framenum = 0;
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size = image_width*image_height;
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mp_msg(MSGT_VO, MSGL_V, "zr: input: %dx%d, cropped: %dx%d, output: %dx%d, off_y=%d, off_c=%d\n", width, height, g.width, g.height, image_width, image_height, off_y, off_c);
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image = malloc(2*size); /* this buffer allows for YUV422 data,
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* so it is a bit too big for YUV420 */
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if (!image) {
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mp_msg(MSGT_VO, MSGL_ERR, "zr: Memory exhausted\n");
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return 1;
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}
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/* and make sure that the borders are _really_ black */
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switch (format) {
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case IMGFMT_YV12:
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memset(image, 0, image_width*image_height);
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memset(image + size, 0x80, image_width*image_height/4);
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memset(image + 3*size/2, 0x80, image_width*image_height/4);
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y_data = image;
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u_data = image + image_width*image_height;
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v_data = image + 3*image_width*image_height/2;
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y_stride = image_width;
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u_stride = image_width/2;
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v_stride = image_width/2;
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j = jpeg_enc_init(image_width/hdec,
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image_height/fields,
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hdec, y_stride*fields,
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hdec, u_stride*fields,
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hdec, v_stride*fields,
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1, quality, bw);
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break;
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case IMGFMT_YUY2:
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for (i = 0; i < 2*size; i+=4) {
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image[i] = 0;
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image[i+1] = 0x80;
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image[i+2] = 0;
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image[i+3] = 0x80;
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}
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y_data = image;
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u_data = image + 1;
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v_data = image + 3;
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y_stride = 2*image_width;
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u_stride = 2*image_width;
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v_stride = 2*image_width;
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j = jpeg_enc_init(image_width/hdec,
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image_height/fields,
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hdec*2, y_stride*fields,
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hdec*4, u_stride*fields,
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hdec*4, v_stride*fields,
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0, quality, bw);
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break;
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default:
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mp_msg(MSGT_VO, MSGL_FATAL, "zr: internal inconsistency in vo_zr\n");
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}
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if (j == NULL) {
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mp_msg(MSGT_VO, MSGL_ERR, "zr: error initializing the jpeg encoder\n");
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return 1;
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}
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if (init_zoran(stretchx, stretchy)) {
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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 const vo_info_t* get_info(void) {
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return &vo_info;
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}
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static void draw_osd(void) {
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}
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static void flip_page (void) {
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int i, k;
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//FILE *fp;
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//char filename[100];
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/* do we have a free buffer? */
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if (queue-synco < zrq.count) {
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frame = queue;
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} else {
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if (ioctl(vdes, MJPIOC_SYNC, &zs) < 0)
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mp_msg(MSGT_VO, MSGL_ERR, "zr: error waiting for buffers to become free\n");
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frame = zs.frame;
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synco++;
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}
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|
k=0;
|
|
for (i = 0; i < fields; i++)
|
|
k+=jpeg_enc_frame(j, y_data + i*y_stride,
|
|
u_data + i*u_stride, v_data + i*v_stride,
|
|
buf+frame*zrq.size+k);
|
|
/* Warning: Only the first jpeg image contains huffman- and
|
|
* quantisation tables, so don't expect files other than
|
|
* test0001.jpg to be readable */
|
|
/*sprintf(filename, "test%04d.jpg", framenum);
|
|
fp = fopen(filename, "w");
|
|
if (!fp) exit(1);
|
|
fwrite(buf+frame*zrq.size, 1, k, fp);
|
|
fclose(fp);*/
|
|
/*fp = fopen("test1.jpg", "r");
|
|
fread(buf+frame*zrq.size, 1, 2126, fp);
|
|
fclose(fp);*/
|
|
|
|
if (ioctl(vdes, MJPIOC_QBUF_PLAY, &frame) < 0)
|
|
mp_msg(MSGT_VO, MSGL_ERR,
|
|
"zr: error queueing buffer for playback\n");
|
|
queue++;
|
|
|
|
framenum++;
|
|
return;
|
|
}
|
|
|
|
static uint32_t draw_frame(uint8_t * src[]) {
|
|
int i;
|
|
char *source, *dest;
|
|
//printf("draw frame called\n");
|
|
source = src[0] + 2*g.yoff*vdec*stride + 2*g.xoff;
|
|
dest = image + 2*off_y;
|
|
for (i = 0; i < g.height/vdec; i++) {
|
|
memcpy(dest, source, image_width*2);
|
|
dest += 2*image_width;
|
|
source += vdec*stride;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static uint32_t query_format(uint32_t format) {
|
|
if(format==IMGFMT_YV12) return 1;
|
|
if(format==IMGFMT_YUY2) return 1;
|
|
return 0;
|
|
}
|
|
|
|
static void uninit(void) {
|
|
jpeg_enc_uninit(j);
|
|
uninit_zoran();
|
|
}
|
|
|
|
static void check_events(void) {
|
|
}
|
|
|
|
|
|
static uint32_t draw_slice(uint8_t *srcimg[], int stride[],
|
|
int w, int h, int x, int y) {
|
|
int i;
|
|
/* Apply 'geometry', crop unwanted parts */
|
|
uint8_t *dst;
|
|
uint8_t *src;
|
|
//printf("before: w=%d, h=%d, x=%d, y=%d, src0=%p, src1=%p, src2=%p\n", w, h, x, y, srcimg[0], srcimg[1], srcimg[2]);
|
|
if (x < g.xoff) {
|
|
srcimg[0] += g.xoff - x;
|
|
srcimg[1] += (g.xoff - x)/2;
|
|
srcimg[2] += (g.xoff - x)/2;
|
|
w -= g.xoff - x;
|
|
if (w < 0) return 0;
|
|
x = 0 /*g.xoff*/;
|
|
} else {
|
|
x -= g.xoff;
|
|
}
|
|
if (x + w > g.width) {
|
|
w = g.width - x;
|
|
if (w < 0) return 0;
|
|
}
|
|
if (y < g.yoff) {
|
|
srcimg[0] += (g.yoff - y)*stride[0];
|
|
srcimg[1] += ((g.yoff - y)/2)*stride[1];
|
|
srcimg[2] += ((g.yoff - y)/2)*stride[2];
|
|
h -= g.yoff - y;
|
|
if (h < 0) return 0;
|
|
y = 0;
|
|
} else {
|
|
y -= g.yoff;
|
|
}
|
|
if (y + h > g.height) {
|
|
h = g.height - y;
|
|
if (h < 0) return 0;
|
|
}
|
|
//printf("after: w=%d, h=%d, x=%d, y=%d, src0=%p, src1=%p, src2=%p\n", w, h, x, y, srcimg[0], srcimg[1], srcimg[2]);
|
|
dst=image + off_y + image_width*(y/vdec)+x;
|
|
src=srcimg[0];
|
|
// copy Y:
|
|
for (i = 0; i < h; i++) {
|
|
if ((i + x)%vdec == 0) {
|
|
memcpy(dst,src,w);
|
|
dst+=image_width;
|
|
}
|
|
src+=stride[0];
|
|
|
|
}
|
|
if (!bw) {
|
|
// copy U+V:
|
|
uint8_t *src1=srcimg[1];
|
|
uint8_t *src2=srcimg[2];
|
|
uint8_t *dst1=image + size + off_c+ (y/(vdec*2))*image_width/2+(x/2);
|
|
uint8_t *dst2=image + 3*size/2 + off_c +
|
|
(y/(vdec*2))*image_width/2+(x/2);
|
|
for (i = 0; i< h/2; i++) {
|
|
if ((i+x/2)%vdec == 0) {
|
|
memcpy(dst1,src1,w/2);
|
|
memcpy(dst2,src2,w/2);
|
|
dst1+=image_width/2;
|
|
dst2+=image_width/2;
|
|
}
|
|
src1+=stride[1];
|
|
src2+=stride[2];
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* copied and adapted from vo_aa_parseoption */
|
|
int
|
|
vo_zr_parseoption(struct config * conf, char *opt, char *param){
|
|
/* got an option starting with zr */
|
|
char *x, *help;
|
|
int i;
|
|
/* do WE need it ?, always */
|
|
if (!strcasecmp(opt, "zrdev")) {
|
|
if (param == NULL) return ERR_MISSING_PARAM;
|
|
//if ((i=getcolor(param))==-1) return ERR_OUT_OF_RANGE;
|
|
//aaopt_osdcolor=i;
|
|
device = malloc(strlen(param)+1);
|
|
strcpy(device, param);
|
|
mp_msg(MSGT_VO, MSGL_V, "zr: using device %s\n", device);
|
|
return 1;
|
|
} else if (!strcasecmp(opt, "zrbw")) {
|
|
if (param != NULL) {
|
|
return ERR_OUT_OF_RANGE;
|
|
}
|
|
bw = 1;
|
|
return 1;
|
|
} else if (!strcasecmp(opt, "zrfd")) {
|
|
if (param != NULL) {
|
|
return ERR_OUT_OF_RANGE;
|
|
}
|
|
zrfd = 1;
|
|
return 1;
|
|
} else if (!strcasecmp(opt, "zrcrop")){
|
|
if (param == NULL) return ERR_MISSING_PARAM;
|
|
if (sscanf(param, "%dx%d+%d+%d", &g.width, &g.height,
|
|
&g.xoff, &g.yoff) != 4) {
|
|
g.xoff = 0; g.yoff = 0;
|
|
if (sscanf(param, "%dx%d", &g.width, &g.height) != 2) {
|
|
mp_msg(MSGT_VO, MSGL_ERR, "zr: argument to -zrcrop must be of the form 352x288+16+0\n");
|
|
return ERR_OUT_OF_RANGE;
|
|
}
|
|
}
|
|
g.set = 1;
|
|
mp_msg(MSGT_VO, MSGL_V, "zr: cropping %s\n", param);
|
|
return 1;
|
|
}else if (!strcasecmp(opt, "zrhdec")) {
|
|
i = atoi(param);
|
|
if (i != 1 && i != 2 && i != 4) return ERR_OUT_OF_RANGE;
|
|
hdec = i;
|
|
return 1;
|
|
}else if (!strcasecmp(opt, "zrvdec")) {
|
|
i = atoi(param);
|
|
if (i != 1 && i != 2 && i != 4) return ERR_OUT_OF_RANGE;
|
|
vdec = i;
|
|
return 1;
|
|
}else if (!strcasecmp(opt, "zrquality")) {
|
|
i = atoi(param);
|
|
if (i < 1 || i > 20) return ERR_OUT_OF_RANGE;
|
|
quality = i;
|
|
return 1;
|
|
}else if (!strcasecmp(opt, "zrnorm")) {
|
|
if (param == NULL) return ERR_MISSING_PARAM;
|
|
if (!strcasecmp(param, "NTSC")) {
|
|
mp_msg(MSGT_VO, MSGL_V, "zr: Norm set to NTSC\n");
|
|
norm = VIDEO_MODE_NTSC;
|
|
return 1;
|
|
} else if (!strcasecmp(param, "PAL")) {
|
|
mp_msg(MSGT_VO, MSGL_V, "zr: Norm set to PAL\n");
|
|
norm = VIDEO_MODE_PAL;
|
|
return 1;
|
|
} else {
|
|
return ERR_OUT_OF_RANGE;
|
|
}
|
|
}else if (!strcasecmp(opt, "zrhelp")){
|
|
printf("Help for -vo zr: Zoran ZR360[56]7/ZR36060 based MJPEG capture/playback cards\n");
|
|
printf("\n");
|
|
printf("Here are the zr options:\n");
|
|
printf(
|
|
"\n"
|
|
" -zrcrop specify part of the input image that\n"
|
|
" you want to see as an x-style geometry string\n"
|
|
" example: -zrcrop 352x288+16+0\n"
|
|
" -zrvdec vertical decimation 1, 2 or 4\n"
|
|
" -zrhdec horizontal decimation 1, 2 or 4\n"
|
|
" -zrfd decimation is only done if the primitive\n"
|
|
" hardware upscaler can correct for the decimation,\n"
|
|
" this switch allows you to see the effects\n"
|
|
" of too much decimation\n"
|
|
" -zrbw display in black&white (speed increase)\n"
|
|
" -zrquality jpeg compression quality [BEST] 1 - 20 [VERY BAD]\n"
|
|
" -zrdev playback device (example -zrdev /dev/video1\n"
|
|
" -zrnorm specify norm PAL/NTSC [dev: leave at current setting]\n"
|
|
"\n"
|
|
);
|
|
exit(0);
|
|
|
|
}
|
|
return ERR_NOT_AN_OPTION;
|
|
}
|
|
|
|
void vo_zr_revertoption(config_t* opt,char* param) {
|
|
|
|
if (!strcasecmp(param, "zrdev")) {
|
|
if(device)
|
|
free(device);
|
|
device=NULL;
|
|
} else if (!strcasecmp(param, "zrbw"))
|
|
bw=0;
|
|
else if (!strcasecmp(param, "zrfd"))
|
|
zrfd=0;
|
|
else if (!strcasecmp(param, "zrcrop"))
|
|
g.set = g.xoff = g.yoff = 0;
|
|
else if (!strcasecmp(param, "zrhdec"))
|
|
hdec = 1;
|
|
else if (!strcasecmp(param, "zrvdec"))
|
|
vdec = 1;
|
|
else if (!strcasecmp(param, "zrquality"))
|
|
quality = 2;
|
|
else if (!strcasecmp(param, "zrnorm"))
|
|
norm = VIDEO_MODE_AUTO;
|
|
|
|
}
|
|
|
|
static uint32_t preinit(const char *arg)
|
|
{
|
|
if(arg)
|
|
{
|
|
printf("vo_zr: Unknown subdevice: %s\n",arg);
|
|
return ENOSYS;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static uint32_t control(uint32_t request, void *data, ...)
|
|
{
|
|
switch (request) {
|
|
case VOCTRL_QUERY_FORMAT:
|
|
return query_format(*((uint32_t*)data));
|
|
}
|
|
return VO_NOTIMPL;
|
|
}
|