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mpv/libvo/vo_zr.c

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/*
* vo_zr.c - playback on zoran cards
* Copyright (C) Rik Snel 2001,2002, License GNU GPL v2 or later
*/
/* $Id$ */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
#include <linux/types.h>
#include <linux/videodev.h>
#include "config.h"
#include "videodev_mjpeg.h"
#include "video_out.h"
#include "video_out_internal.h"
#include "mp_msg.h"
#include "m_option.h"
#include "fastmemcpy.h"
#include "jpeg_enc.h"
static const vo_info_t info =
{
"Zoran ZR360[56]7/ZR36060 Driver (DC10(+)/buz/lml33/MatroxRR)",
"zr",
"Rik Snel <rsnel@cube.dyndns.org>",
""
};
const LIBVO_EXTERN (zr)
#define ZR_MAX_DEVICES 4
/* General variables */
typedef struct {
int width;
int height;
int xoff;
int yoff;
int set;
} geo_t;
static int zr_count = 1;
static int zr_parsing = 0;
static int framenum;
typedef struct {
/* commandline args given for this device (and defaults) */
int vdec, hdec; /* requested decimation 1,2,4 */
int fd; /* force decimation */
int xdoff, ydoff; /* offset from upperleft of screen
* default is 'centered' */
int quality; /* jpeg quality 1=best, 20=bad */
geo_t g; /* view window (zrcrop) */
char *device; /* /dev/video1 */
int bw; /* if bw == 1, display in black&white */
int norm; /* PAL/NTSC */
/* buffers + pointers + info */
unsigned char *image;
int image_width, image_height, size;
int off_y, off_c, stride; /* for use by 'draw slice/frame' */
unsigned char *buf; /* the jpeg images will be placed here */
jpeg_enc_t *j;
unsigned char *y_data, *u_data, *v_data; /* used by the jpeg encoder */
int y_stride, u_stride, v_stride; /* these point somewhere in image */
/* information for (and about) the zoran card */
int vdes; /* file descriptor of card */
int frame, synco, queue; /* buffer management */
struct mjpeg_sync zs; /* state information */
struct mjpeg_params p;
struct mjpeg_requestbuffers zrq;
struct video_capability vc; /* max resolution and so on */
int fields, stretchy; /* must the *image be interlaced
or stretched to fit on the screen? */
} zr_info_t;
static zr_info_t zr_info[ZR_MAX_DEVICES] = {
{1, 1, 1, -1, -1, 2, {0, 0, 0, 0, 0}, NULL, 0, VIDEO_MODE_AUTO, NULL, 0, 0, 0, 0, 0,
0, NULL, NULL, NULL, NULL, NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{1, 1, 1, -1, -1, 2, {0, 0, 0, 0, 0}, NULL, 0, VIDEO_MODE_AUTO, NULL, 0, 0, 0, 0, 0,
0, NULL, NULL, NULL, NULL, NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{1, 1, 1, -1, -1, 2, {0, 0, 0, 0, 0}, NULL, 0, VIDEO_MODE_AUTO, NULL, 0, 0, 0, 0, 0,
0, NULL, NULL, NULL, NULL, NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{1, 1, 1, -1, -1, 2, {0, 0, 0, 0, 0}, NULL, 0, VIDEO_MODE_AUTO, NULL, 0, 0, 0, 0, 0,
0, NULL, NULL, NULL, NULL, NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}};
#define MJPEG_NBUFFERS 2
#define MJPEG_SIZE 1024*256
int zoran_getcap(zr_info_t *zr) {
char* dev = NULL;
if (zr->device)
dev = zr->device;
else {
struct stat vstat;
const char *devs[] = {
"/dev/video",
"/dev/video0",
"/dev/v4l/video0",
"/dev/v4l0",
"/dev/v4l",
NULL
};
int i = 0;
do
{
if ((stat(devs[i], &vstat) == 0) && S_ISCHR(vstat.st_mode))
{
dev = devs[i];
mp_msg(MSGT_VO, MSGL_V, "zr: found video device %s\n", dev);
break;
}
} while (devs[++i] != NULL);
if (!dev)
{
mp_msg(MSGT_VO, MSGL_ERR, "zr: unable to find video device\n");
return 1;
}
}
zr->vdes = open(dev, O_RDWR);
if (zr->vdes < 0) {
mp_msg(MSGT_VO, MSGL_ERR, "zr: error opening %s: %s\n",
dev, strerror(errno));
return 1;
}
/* before we can ask for the maximum resolution, we must set
* the correct tv norm */
if (ioctl(zr->vdes, MJPIOC_G_PARAMS, &zr->p) < 0) {
mp_msg(MSGT_VO, MSGL_ERR, "zr: device at %s is probably not a DC10(+)/buz/lml33\n", dev);
return 1;
}
if (zr->p.norm != zr->norm && zr->norm != VIDEO_MODE_AUTO) {
/* attempt to set requested norm */
zr->p.norm = zr->norm;
if (ioctl(zr->vdes, MJPIOC_S_PARAMS, &zr->p) < 0) {
mp_msg(MSGT_VO, MSGL_ERR,
"zr: unable to change video norm, use another program to change it (XawTV)\n");
return 1;
}
ioctl(zr->vdes, MJPIOC_G_PARAMS, &zr->p);
if (zr->norm != zr->p.norm) {
mp_msg(MSGT_VO, MSGL_ERR,
"zr: unable to change video norm, use another program to change it (XawTV)\n");
return 1;
}
}
if (ioctl(zr->vdes, VIDIOCGCAP, &zr->vc) < 0) {
mp_msg(MSGT_VO, MSGL_ERR, "zr: error getting video capabilities from %s\n", dev);
return 1;
}
mp_msg(MSGT_VO, MSGL_V, "zr: MJPEG card reports maxwidth=%d, maxheight=%d\n", zr->vc.maxwidth, zr->vc.maxheight);
return 0;
}
int init_zoran(zr_info_t *zr, int stretchx, int stretchy) {
/* center the image, and stretch it as far as possible (try to keep
* aspect) and check if it fits */
if (zr->image_width > zr->vc.maxwidth) {
mp_msg(MSGT_VO, MSGL_ERR, "zr: movie to be played is too wide, max width currently %d\n", zr->vc.maxwidth);
return 1;
}
if (zr->image_height > zr->vc.maxheight) {
mp_msg(MSGT_VO, MSGL_ERR, "zr: movie to be played is too high, max height currently %d\n", zr->vc.maxheight);
return 1;
}
zr->p.decimation = 0;
zr->p.HorDcm = stretchx;
zr->p.VerDcm = stretchy;
zr->p.TmpDcm = 1;
zr->p.field_per_buff = zr->fields;
if (zr->xdoff == -1) {
zr->p.img_x = (zr->vc.maxwidth -
zr->p.HorDcm*(int)zr->image_width/zr->hdec)/2;
} else {
zr->p.img_x = zr->xdoff;
}
if (zr->ydoff == -1) {
zr->p.img_y = (zr->vc.maxheight - zr->p.VerDcm*
(3-zr->fields)*(int)zr->image_height)/4;
} else {
zr->p.img_y = zr->ydoff;
}
zr->p.img_width = zr->p.HorDcm*zr->image_width/zr->hdec;
zr->p.img_height = zr->p.VerDcm*zr->image_height/zr->fields;
mp_msg(MSGT_VO, MSGL_V, "zr: geometry (after 'scaling'): %dx%d+%d+%d fields=%d, w=%d, h=%d\n", zr->p.img_width, (3-zr->fields)*zr->p.img_height, zr->p.img_x, zr->p.img_y, zr->fields, zr->image_width/zr->hdec, zr->image_height);
if (ioctl(zr->vdes, MJPIOC_S_PARAMS, &zr->p) < 0) {
mp_msg(MSGT_VO, MSGL_ERR, "zr: error setting display parameters\n");
return 1;
}
zr->zrq.count = MJPEG_NBUFFERS;
zr->zrq.size = MJPEG_SIZE;
if (ioctl(zr->vdes, MJPIOC_REQBUFS, &zr->zrq)) {
mp_msg(MSGT_VO, MSGL_ERR, "zr: error requesting %ld buffers of size %ld\n", zr->zrq.count, zr->zrq.size);
return 1;
}
/* the buffer count allocated may be different to the request */
zr->buf = (unsigned char*)mmap(0, zr->zrq.count*zr->zrq.size,
PROT_READ|PROT_WRITE, MAP_SHARED, zr->vdes, 0);
if (zr->buf == MAP_FAILED) {
mp_msg(MSGT_VO, MSGL_ERR, "zr: error requesting %ld buffers of size %ld\n", zr->zrq.count, zr->zrq.size);
return 1;
}
mp_msg(MSGT_VO, MSGL_V, "zr: got %ld buffers of size %ld (wanted %d buffers of size %d)\n", zr->zrq.count, zr->zrq.size, MJPEG_NBUFFERS, MJPEG_SIZE);
if (zr->zrq.count < MJPEG_NBUFFERS) {
mp_msg(MSGT_VO, MSGL_V, "zr: got not enough buffers\n");
return 1;
}
zr->queue = 0;
zr->synco = 0;
return 0;
}
void uninit_zoran(zr_info_t *zr) {
if (zr->image) {
free(zr->image);
zr->image=NULL;
}
while (zr->queue > zr->synco + 1) {
if (ioctl(zr->vdes, MJPIOC_SYNC, &zr->zs) < 0)
mp_msg(MSGT_VO, MSGL_ERR, "zr: error waiting for buffers to become free\n");
zr->synco++;
}
/* stop streaming */
zr->frame = -1;
if (ioctl(zr->vdes, MJPIOC_QBUF_PLAY, &zr->frame) < 0)
mp_msg(MSGT_VO, MSGL_ERR, "zr: error stopping playback of last frame\n");
if (munmap(zr->buf,zr->zrq.count*zr->zrq.size))
mp_msg(MSGT_VO, MSGL_ERR, "zr: error unmapping buffer\n");
close(zr->vdes);
}
int zr_geometry_sane(geo_t *g, unsigned int width, unsigned int height) {
if (g->set) {
if (g->width%2 != 0 || g->height%2 != 0 ||
g->xoff%2 != 0 || g->yoff%2 != 0) {
mp_msg(MSGT_VO, MSGL_ERR, "zr: arguments in -zrcrop must be multiples of 2\n");
return 1;
}
if (g->width <= 0 || g->height <= 0 ||
g->xoff < 0 || g->yoff < 0) {
mp_msg(MSGT_VO, MSGL_ERR, "zr: width and height must be positive and offset nonnegative\n");
return 1;
}
if (g->width + g->xoff > width) {
mp_msg(MSGT_VO, MSGL_ERR, "zr: width+xoffset (%d+%d>%d) is too big\n", g->width, g->xoff, width);
return 1;
}
if (g->height + g->yoff > height) {
mp_msg(MSGT_VO, MSGL_ERR, "zr: height+yoffset (%d+%d>%d) is too big\n", g->height, g->yoff, height);
return 1;
}
} else {
g->width = width;
g->height = height;
g->xoff = 0;
g->yoff = 0;
g->set = 1;
}
return 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)
{
int i, tmp, stretchx, stretchy;
framenum = 0;
if (format != IMGFMT_YV12 && format != IMGFMT_YUY2) {
printf("vo_zr called with wrong format");
return 1;
}
for (i = 0; i < zr_count; i++) {
zr_info_t *zr = &zr_info[i];
geo_t *g = &zr->g;
zr->stride = 2*width;
if (zr_geometry_sane(g, width, height)) return 1;
/* we must know the maximum resolution of the device
* it differs for DC10+ and buz for example */
zoran_getcap(zr); /*must be called before init_zoran */
/* make the scaling decision
* we are capable of stretching the image in the horizontal
* direction by factors 1, 2 and 4
* we can stretch the image in the vertical direction by a
* factor of 1 and 2 AND we must decide about interlacing */
if (g->width > zr->vc.maxwidth/2 ||
g->height > zr->vc.maxheight/2) {
stretchx = 1;
stretchy = 1;
zr->fields = 2;
if (zr->vdec == 2) {
zr->fields = 1;
} else if (zr->vdec == 4) {
zr->fields = 1;
stretchy = 2;
}
stretchx = zr->hdec;
} else if (g->width > zr->vc.maxwidth/4 ||
g->height > zr->vc.maxheight/4) {
stretchx = 2;
stretchy = 1;
zr->fields = 1;
if (zr->vdec == 2) {
stretchy = 2;
} else if (zr->vdec == 4) {
if (!zr->fd) {
mp_msg(MSGT_VO, MSGL_WARN, "zr: vertical decimation too high, changing to 2 (use -zrfd to keep vdec=4)\n");
zr->vdec = 2;
}
stretchy = 2;
}
if (zr->hdec == 2) {
stretchx = 4;
} else if (zr->hdec == 4){
if (!zr->fd) {
mp_msg(MSGT_VO, MSGL_WARN, "zr: horizontal decimation too high, changing to 2 (use -zrfd to keep hdec=4)\n");
zr->hdec = 2;
}
stretchx = 4;
}
} else {
/* output image is maximally stretched */
stretchx = 4;
stretchy = 2;
zr->fields = 1;
if (zr->vdec != 1 && !zr->fd) {
mp_msg(MSGT_VO, MSGL_WARN, "zr: vertical decimation too high, changing to 1 (use -zrfd to keep vdec=%d)\n", zr->vdec);
zr->vdec = 1;
}
if (zr->hdec != 1 && !zr->fd) {
mp_msg(MSGT_VO, MSGL_WARN, "zr: vertical decimation too high, changing to 1 (use -zrfd to keep hdec=%d)\n", zr->hdec);
zr->hdec = 1;
}
}
/* It can be that the original frame was too big for display,
* or that the width of the decimated image (for example) after
* padding up to a multiple of 16 has become too big. (orig
* width 720 (exactly right for the Buz) after decimation 360,
* after padding up to a multiple of 16 368, display 736 -> too
* large). In these situations we auto(re)crop. */
tmp = 16*((g->width - 1)/(zr->hdec*16) + 1);
if (stretchx*tmp > zr->vc.maxwidth) {
g->xoff += 2*((g->width - zr->hdec*(tmp-16))/4);
/* g->off must be a multiple of 2 */
g->width = zr->hdec*(tmp - 16);
g->set = 0; /* we abuse this field to
report that g has changed*/
}
tmp = 8*zr->fields*((g->height - 1)/(zr->vdec*zr->fields*8)+1);
if (stretchy*tmp > zr->vc.maxheight) {
g->yoff += 2*((g->height - zr->vdec*
(tmp - 8*zr->fields))/4);
g->height = zr->vdec*(tmp - 8*zr->fields);
g->set = 0;
}
if (!g->set)
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);
/* the height must be a multiple of fields*8 and the width
* must be a multiple of 16 */
/* add some black borders to make it so, and center the image*/
zr->image_height = zr->fields*8*((g->height/zr->vdec - 1)/
(zr->fields*8) + 1);
zr->image_width = (zr->hdec*16)*((g->width - 1)/(zr->hdec*16) + 1);
zr->off_y = (zr->image_height - g->height/zr->vdec)/2;
if (zr->off_y%2 != 0) zr->off_y++;
zr->off_y *= zr->image_width;
zr->off_c = zr->off_y/4;
zr->off_y += (zr->image_width - g->width)/2;
if (zr->off_y%2 != 0) zr->off_y--;
zr->off_c += (zr->image_width - g->width)/4;
zr->size = zr->image_width*zr->image_height;
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, zr->image_width, zr->image_height, zr->off_y, zr->off_c);
zr->image = malloc(2*zr->size); /* this buffer allows for YUV422 data,
* so it is a bit too big for YUV420 */
if (!zr->image) {
mp_msg(MSGT_VO, MSGL_ERR, "zr: Memory exhausted\n");
return 1;
}
/* and make sure that the borders are _really_ black */
switch (format) {
case IMGFMT_YV12:
memset(zr->image, 0, zr->size);
memset(zr->image + zr->size, 0x80, zr->size/4);
memset(zr->image + 3*zr->size/2, 0x80, zr->size/4);
zr->y_data = zr->image;
zr->u_data = zr->image + zr->size;
zr->v_data = zr->image + 3*zr->size/2;
zr->y_stride = zr->image_width;
zr->u_stride = zr->image_width/2;
zr->v_stride = zr->image_width/2;
zr->j = jpeg_enc_init(zr->image_width/zr->hdec,
zr->image_height/zr->fields,
zr->hdec, zr->y_stride*zr->fields,
zr->hdec, zr->u_stride*zr->fields,
zr->hdec, zr->v_stride*zr->fields,
1, zr->quality, zr->bw);
break;
case IMGFMT_YUY2:
for (tmp = 0; tmp < 2*zr->size; tmp+=4) {
zr->image[tmp] = 0;
zr->image[tmp+1] = 0x80;
zr->image[tmp+2] = 0;
zr->image[tmp+3] = 0x80;
}
zr->y_data = zr->image;
zr->u_data = zr->image + 1;
zr->v_data = zr->image + 3;
zr->y_stride = 2*zr->image_width;
zr->u_stride = 2*zr->image_width;
zr->v_stride = 2*zr->image_width;
zr->j = jpeg_enc_init(zr->image_width/zr->hdec,
zr->image_height/zr->fields,
zr->hdec*2,
zr->y_stride*zr->fields,
zr->hdec*4,
zr->u_stride*zr->fields,
zr->hdec*4,
zr->v_stride*zr->fields,
0, zr->quality, zr->bw);
break;
default:
mp_msg(MSGT_VO, MSGL_FATAL, "zr: internal inconsistency in vo_zr\n");
}
if (zr->j == NULL) {
mp_msg(MSGT_VO, MSGL_ERR, "zr: error initializing the jpeg encoder\n");
return 1;
}
if (init_zoran(zr, stretchx, stretchy)) {
return 1;
}
}
return 0;
}
static void draw_osd(void) {
}
static void flip_page (void) {
int i, j, k;
//FILE *fp;
//char filename[100];
/* do we have a free buffer? */
for (j = 0; j < zr_count; j++) {
zr_info_t *zr = &zr_info[j];
/* using MJPEG_NBUFFERS here, using the real number of
* buffers may give sync issues (real number of buffers
* is always sufficient) */
if (zr->queue-zr->synco < MJPEG_NBUFFERS) {
zr->frame = zr->queue;
} else {
if (ioctl(zr->vdes, MJPIOC_SYNC, &zr->zs) < 0)
mp_msg(MSGT_VO, MSGL_ERR, "zr: error waiting for buffers to become free\n");
zr->frame = zr->zs.frame;
zr->synco++;
}
k=0;
for (i = 0; i < zr->fields; i++)
k+=jpeg_enc_frame(zr->j, zr->y_data + i*zr->y_stride,
zr->u_data + i*zr->u_stride,
zr->v_data + i*zr->v_stride,
zr->buf + zr->frame*zr->zrq.size+k);
if (k > zr->zrq.size) mp_msg(MSGT_VO, MSGL_WARN, "zr: jpeg image too large for maximum buffer size. Lower the jpeg encoding\nquality or the resolution of the movie.\n");
}
/* 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);*/
for (j = 0; j < zr_count; j++) {
zr_info_t *zr = &zr_info[j];
if (ioctl(zr->vdes, MJPIOC_QBUF_PLAY, &zr->frame) < 0)
mp_msg(MSGT_VO, MSGL_ERR, "zr: error queueing buffer for playback\n");
zr->queue++;
}
framenum++;
return;
}
static int draw_frame(uint8_t * src[]) {
int i, j;
char *source, *dest;
//printf("draw frame called\n");
for (j = 0; j < zr_count; j++) {
zr_info_t *zr = &zr_info[j];
geo_t *g = &zr->g;
source = src[0] + 2*g->yoff*zr->vdec*zr->stride + 2*g->xoff;
dest = zr->image + 2*zr->off_y;
for (i = 0; i < g->height/zr->vdec; i++) {
fast_memcpy(dest, source, zr->image_width*2);
dest += 2*zr->image_width;
source += zr->vdec*zr->stride;
}
}
return 0;
}
static int query_format(uint32_t format) {
if(format==IMGFMT_YV12 || format==IMGFMT_YUY2)
return VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW;
return 0;
}
static void uninit(void) {
int j;
mp_msg(MSGT_VO, MSGL_V, "zr: uninit called\n");
for (j = 0; j < zr_count; j++) {
jpeg_enc_uninit(zr_info[j].j);
uninit_zoran(&zr_info[j]);
}
}
static void check_events(void) {
}
static int draw_slice(uint8_t *srcimg[], int stride[],
int wf, int hf, int xf, int yf) {
int i, j, w, h, x, y;
/* Apply 'geometry', crop unwanted parts */
uint8_t *dst;
//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]);
for (j = 0; j < zr_count; j++) {
uint8_t *src=srcimg[0];
uint8_t *src1=srcimg[1];
uint8_t *src2=srcimg[2];
zr_info_t *zr = &zr_info[j];
geo_t *g = &zr->g;
w = wf; h = hf; x = xf; y = yf;
if (x < g->xoff) {
src += g->xoff - x;
src1 += (g->xoff - x)/2;
src2 += (g->xoff - x)/2;
w -= g->xoff - x;
if (w < 0) break; //return 0;
x = 0 /*g.xoff*/;
} else {
x -= g->xoff;
}
if (x + w > g->width) {
w = g->width - x;
if (w < 0) break; //return 0;
}
if (y < g->yoff) {
src += (g->yoff - y)*stride[0];
src1 += ((g->yoff - y)/2)*stride[1];
src2 += ((g->yoff - y)/2)*stride[2];
h -= g->yoff - y;
if (h < 0) break; //return 0;
y = 0;
} else {
y -= g->yoff;
}
if (y + h > g->height) {
h = g->height - y;
if (h < 0) break; //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=zr->image + zr->off_y + zr->image_width*(y/zr->vdec)+x;
// copy Y:
for (i = 0; i < h; i++) {
if ((i + x)%zr->vdec == 0) {
fast_memcpy(dst,src,w);
dst+=zr->image_width;
}
src+=stride[0];
}
if (!zr->bw) {
// copy U+V:
uint8_t *dst1=zr->image + zr->size + zr->off_c+ (y/(zr->vdec*2))*zr->image_width/2+(x/2);
uint8_t *dst2=zr->image + 3*zr->size/2 + zr->off_c +
(y/(zr->vdec*2))*
zr->image_width/2+(x/2);
for (i = 0; i< h/2; i++) {
if ((i+x/2)%zr->vdec == 0) {
fast_memcpy(dst1,src1,w/2);
fast_memcpy(dst2,src2,w/2);
dst1+=zr->image_width/2;
dst2+=zr->image_width/2;
}
src1+=stride[1];
src2+=stride[2];
}
}
}
return 0;
}
/* copied and adapted from vo_aa_parseoption */
int
vo_zr_parseoption(const m_option_t* conf, const char *opt, const char *param){
/* got an option starting with zr */
zr_info_t *zr = &zr_info[zr_parsing];
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;
free(zr->device);
zr->device = malloc(strlen(param)+1);
strcpy(zr->device, param);
mp_msg(MSGT_VO, MSGL_V, "zr: using device %s\n", zr->device);
return 1;
} else if (!strcasecmp(opt, "zrbw")) {
if (param != NULL) {
return ERR_OUT_OF_RANGE;
}
zr->bw = 1;
return 1;
} else if (!strcasecmp(opt, "zrfd")) {
if (param != NULL) {
return ERR_OUT_OF_RANGE;
}
zr->fd = 1;
return 1;
} else if (!strcasecmp(opt, "zrcrop")){
geo_t *g = &zr->g;
if (g->set == 1) {
zr_parsing++;
zr_count++;
zr = &zr_info[zr_parsing];
g = &zr->g;
if (zr_count > 4) {
mp_msg(MSGT_VO, MSGL_ERR, "zr: too many simultaneus display devices requested (max. is 4)\n");
return ERR_OUT_OF_RANGE;
}
}
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;
zr->hdec = i;
return 1;
}else if (!strcasecmp(opt, "zrvdec")) {
i = atoi(param);
if (i != 1 && i != 2 && i != 4) return ERR_OUT_OF_RANGE;
zr->vdec = i;
return 1;
}else if (!strcasecmp(opt, "zrxdoff")) {
i = atoi(param);
zr->xdoff = i;
return 1;
}else if (!strcasecmp(opt, "zrydoff")) {
i = atoi(param);
zr->ydoff = i;
return 1;
}else if (!strcasecmp(opt, "zrquality")) {
i = atoi(param);
if (i < 1 || i > 20) return ERR_OUT_OF_RANGE;
zr->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");
zr->norm = VIDEO_MODE_NTSC;
return 1;
} else if (!strcasecmp(param, "PAL")) {
mp_msg(MSGT_VO, MSGL_V, "zr: Norm set to PAL\n");
zr->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"
" -zrxdoff x offset from upper-left of TV screen (default is 'centered')\n"
" -zrydoff y offset from upper-left of TV screen (default is 'centered')\n"
" -zrquality jpeg compression quality [BEST] 1 - 20 [VERY BAD]\n"
" -zrdev playback device (example -zrdev /dev/video1)\n"
" -zrnorm specify norm PAL/NTSC (default: leave at current setting)\n"
"\n"
"Cinerama support: additional occurances of -zrcrop activate cinerama mode,\n"
"suppose you have a 704x272 movie, two DC10+ cards and two beamers (or tv's),\n"
"then you would issue the following command:\n\n"
"mplayer -vo zr -zrcrop 352x272+0+0 -zrdev /dev/video0 -zrcrop 352x272+352+0 \\\n"
" -zrdev /dev/video1 movie.avi\n\n"
"Options appearing after the second -zrcrop apply to the second card, it is\n"
"possible to dispay at a different jpeg quality or at different decimations.\n\n"
"The parameters -zrxdoff and -zrydoff can be used to align the two images.\n"
"The maximum number of zoran cards participating in cinerama is 4, so you can\n"
"build a 2x2 vidiwall. (untested for obvious reasons, the setup wit a buz and\n"
"a DC10+ (and no beamers) is tested, however)\n"
);
exit(0);
}
return ERR_NOT_AN_OPTION;
}
void vo_zr_revertoption(const m_option_t* opt,const char* param) {
zr_info_t *zr = &zr_info[1];
zr_count = 1;
zr_parsing = 0;
if (!strcasecmp(param, "zrdev")) {
if(zr->device)
free(zr->device);
zr->device=NULL;
} else if (!strcasecmp(param, "zrbw"))
zr->bw=0;
else if (!strcasecmp(param, "zrfd"))
zr->fd=0;
else if (!strcasecmp(param, "zrcrop"))
zr->g.set = zr->g.xoff = zr->g.yoff = 0;
else if (!strcasecmp(param, "zrhdec"))
zr->hdec = 1;
else if (!strcasecmp(param, "zrvdec"))
zr->vdec = 1;
else if (!strcasecmp(param, "zrxdoff"))
zr->xdoff = -1;
else if (!strcasecmp(param, "zrydoff"))
zr->ydoff = -1;
else if (!strcasecmp(param, "zrquality"))
zr->quality = 2;
else if (!strcasecmp(param, "zrnorm"))
zr->norm = VIDEO_MODE_AUTO;
}
static int preinit(const char *arg)
{
if(arg)
{
printf("vo_zr: Unknown subdevice: %s\n",arg);
return ENOSYS;
}
return 0;
}
static int control(uint32_t request, void *data)
{
switch (request) {
case VOCTRL_QUERY_FORMAT:
return query_format(*((uint32_t*)data));
}
return VO_NOTIMPL;
}
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