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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
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.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 "videodev_mjpeg.h"
#include "config.h"
#include "video_out.h"
#include "video_out_internal.h"
#include "../mp_msg.h"
#include "../cfgparser.h"
#include "fastmemcpy.h"
#include "jpeg_enc.h"
LIBVO_EXTERN (zr)
static vo_info_t vo_info =
{
"Zoran ZR360[56]7/ZR36060 Driver (DC10(+)/buz/lml33/MatroxRR)",
"zr",
"Rik Snel <snel@phys.uu.nl>",
""
};
/* General variables */
static int image_width;
static int image_height;
static int off_y, off_c, stride; /* for use by 'draw slice/frame' */
static int framenum;
static int fields = 1; /* currently no interlacing */
static int zrfd = 0;
static int bw = 0; /* if bw == 1, then display in black&white */
static int vdec = 1;
static int hdec = 1;
static int size;
static int quality = 2;
static unsigned char *y_data, *u_data, *v_data;
static int y_stride, u_stride, v_stride;
typedef struct {
int width;
int height;
int xoff;
int yoff;
int set;
} geo;
geo g = {0, 0, 0, 0, 0};
static uint8_t *image=NULL;
static uint8_t *buf=NULL;
static jpeg_enc_t *j;
/* Variables needed for Zoran */
int vdes; /* the file descriptor of the video device */
int frame = 0, synco = 0, queue = 0; /* buffer management */
struct mjpeg_params zp;
struct mjpeg_requestbuffers zrq;
struct mjpeg_sync zs;
struct video_capability vc;
#define MJPEG_NBUFFERS 2
#define MJPEG_SIZE 1024*256
//should be command line options
int norm = VIDEO_MODE_AUTO;
#ifndef VO_ZR_DEFAULT_DEVICE
#define VO_ZR_DEFAULT_DEVICE "/dev/video"
#endif
char *device = NULL;
int zoran_getcap() {
char* dev = device ? device : VO_ZR_DEFAULT_DEVICE;
vdes = open(dev, O_RDWR);
/* before we can ask for the maximum resolution, we must set
* the correct tv norm */
if (ioctl(vdes, MJPIOC_G_PARAMS, &zp) < 0) {
mp_msg(MSGT_VO, MSGL_ERR, "device at %s is probably not a DC10(+)/buz/lml33\n", dev);
return 1;
}
if (zp.norm != norm && norm != VIDEO_MODE_AUTO) {
/* attempt to set requested norm */
zp.norm = norm;
if (ioctl(vdes, MJPIOC_S_PARAMS, &zp) < 0) {
mp_msg(MSGT_VO, MSGL_ERR,
"unable to change video norm, use another program to change it (XawTV)\n");
return 1;
}
ioctl(vdes, MJPIOC_G_PARAMS, &zp);
if (norm != zp.norm) {
mp_msg(MSGT_VO, MSGL_ERR,
"unable to change video norm, use another program to change it (XawTV)\n");
return 1;
}
}
if (vdes < 0) {
mp_msg(MSGT_VO, MSGL_ERR, "error opening %s\n",
dev);
return 1;
}
if (ioctl(vdes, VIDIOCGCAP, &vc) < 0) {
mp_msg(MSGT_VO, MSGL_ERR, "error getting video capabilities from %s\n");
return 1;
}
mp_msg(MSGT_VO, MSGL_V, "zr: MJPEG card reports maxwidth=%d, maxheight=%d\n", vc.maxwidth, vc.maxheight);
return 0;
}
int init_zoran(int zrhdec, int zrvdec) {
/* center the image, and stretch it as far as possible (try to keep
* aspect) and check if it fits */
if (image_width > vc.maxwidth) {
mp_msg(MSGT_VO, MSGL_ERR, "zr: movie to be played is too wide, max width currenty %d\n", vc.maxwidth);
return 1;
}
if (image_height > vc.maxheight) {
mp_msg(MSGT_VO, MSGL_ERR, "movie to be played is too high, max height currenty %d\n", vc.maxheight);
return 1;
}
zp.decimation = 0;
zp.HorDcm = zrhdec;
zp.VerDcm = zrvdec;
zp.TmpDcm = 1;
zp.field_per_buff = fields;
zp.img_x = (vc.maxwidth - zp.HorDcm*(int)image_width/hdec)/2;
zp.img_y = (vc.maxheight - zp.VerDcm*(3-fields)*(int)image_height)/4;
zp.img_width = zp.HorDcm*image_width/hdec;
zp.img_height = zp.VerDcm*image_height/fields;
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);
if (ioctl(vdes, MJPIOC_S_PARAMS, &zp) < 0) {
mp_msg(MSGT_VO, MSGL_ERR, "error setting display parameters\n");
return 1;
}
zrq.count = MJPEG_NBUFFERS;
zrq.size = MJPEG_SIZE;
if (ioctl(vdes, MJPIOC_REQBUFS, &zrq)) {
mp_msg(MSGT_VO, MSGL_ERR, "error requesting %d buffers of size %d\n", zrq.count, zrq.size);
return 1;
}
buf = (char*)mmap(0, zrq.count*zrq.size, PROT_READ|PROT_WRITE,
MAP_SHARED, vdes, 0);
if (buf == MAP_FAILED) {
mp_msg(MSGT_VO, MSGL_ERR, "error requesting %d buffers of size %d\n", zrq.count, zrq.size);
return 1;
}
return 0;
}
void uninit_zoran(void) {
if (image) {
free(image);
image=NULL;
}
while (queue > synco + 1) {
if (ioctl(vdes, MJPIOC_SYNC, &zs) < 0)
mp_msg(MSGT_VO, MSGL_ERR, "error waiting for buffers to become free");
synco++;
}
/* stop streaming */
frame = -1;
if (ioctl(vdes, MJPIOC_QBUF_PLAY, &frame) < 0)
mp_msg(MSGT_VO, MSGL_ERR, "error stopping playback of last frame");
close(vdes);
}
static uint32_t config(uint32_t width, uint32_t height, uint32_t d_width,
uint32_t d_height, uint32_t fullscreen, char *title, uint32_t format,const vo_tune_info_t *info)
{
int i, stretchx, stretchy;
/* this allows to crop parts from incoming picture,
* for easy 512x240 -> 352x240 */
/* These values must be multples of 2 */
if (format != IMGFMT_YV12 && format != IMGFMT_YUY2) {
printf("vo_zr called with wrong format");
exit(1);
}
stride = 2*width;
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, "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, "width and height must be positive and offset nonnegative\n");
return 1;
}
if (g.width + g.xoff > width) {
mp_msg(MSGT_VO, MSGL_ERR, "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, "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;
}
/* we must know the maximum resolution of the device
* it differs for DC10+ and buz for example */
zoran_getcap(); /*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 > vc.maxwidth/2 || g.height > vc.maxheight/2) {
stretchx = 1;
stretchy = 1;
fields = 2;
if (vdec == 2) {
fields = 1;
} else if (vdec == 4) {
fields = 1;
stretchy = 2;
}
stretchx = hdec;
} else if (g.width > vc.maxwidth/4 || g.height > vc.maxheight/4) {
stretchx = 2;
stretchy = 1;
fields = 1;
if (vdec == 2) {
stretchy = 2;
} else if (vdec == 4) {
if (!zrfd) {
mp_msg(MSGT_VO, MSGL_WARN, "vo_zr: vertical decimation too high, changing to 2 (use -zrfd to keep vdec=4)\n");
vdec = 2;
}
stretchy = 2;
}
if (hdec == 2) {
stretchx = 4;
} else if (hdec == 4){
if (!zrfd) {
mp_msg(MSGT_VO, MSGL_WARN, "vo_zr: horizontal decimation too high, changing to 2 (use -zrfd to keep hdec=4)\n");
hdec = 2;
}
stretchx = 4;
}
} else {
/* output image is maximally stretched */
stretchx = 4;
stretchy = 2;
fields = 1;
if (vdec != 1 && !zrfd) {
mp_msg(MSGT_VO, MSGL_WARN, "vo_zr: vertical decimation too high, changing to 1 (use -zrfd to keep vdec=%d)\n", vdec);
vdec = 1;
}
if (hdec != 1 && !zrfd) {
mp_msg(MSGT_VO, MSGL_WARN, "vo_zr: vertical decimation too high, changing to 1 (use -zrfd to keep hdec=%d)\n", hdec);
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. */
i = 16*((g.width - 1)/(hdec*16) + 1);
if (stretchx*i > vc.maxwidth) {
g.xoff += 2*((g.width - hdec*(i-16))/4);
/* g.off must be a multiple of 2 */
g.width = hdec*(i - 16);
g.set = 0; /* we abuse this field to report that g has changed*/
}
i = 8*fields*((g.height - 1)/(vdec*fields*8) + 1);
if (stretchy*i > vc.maxheight) {
g.yoff += 2*((g.height - vdec*(i - 8*fields))/4);
g.height = vdec*(i - 8*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*/
image_height = fields*8*((g.height/vdec - 1)/(fields*8) + 1);
image_width = (hdec*16)*((g.width - 1)/(hdec*16) + 1);
off_y = (image_height - g.height/vdec)/2;
if (off_y%2 != 0) off_y++;
off_y *= image_width;
off_c = off_y/4;
off_y += (image_width - g.width)/2;
if (off_y%2 != 0) off_y--;
off_c += (image_width - g.width)/4;
framenum = 0;
size = image_width*image_height;
mp_msg(MSGT_VO, MSGL_V, "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);
image = malloc(2*size); /* this buffer allows for YUV422 data,
* so it is a bit too big for YUV420 */
if (!image) {
mp_msg(MSGT_VO, MSGL_ERR, "Memory exhausted\n");
return 1;
}
/* and make sure that the borders are _really_ black */
switch (format) {
case IMGFMT_YV12:
memset(image, 0, image_width*image_height);
memset(image + size, 0x80, image_width*image_height/4);
memset(image + 3*size/2, 0x80, image_width*image_height/4);
y_data = image;
u_data = image + image_width*image_height;
v_data = image + 3*image_width*image_height/2;
y_stride = image_width;
u_stride = image_width/2;
v_stride = image_width/2;
j = jpeg_enc_init(image_width/hdec,
image_height/fields,
hdec, y_stride*fields,
hdec, u_stride*fields,
hdec, v_stride*fields,
1, quality, bw);
break;
case IMGFMT_YUY2:
for (i = 0; i < 2*size; i+=4) {
image[i] = 0;
image[i+1] = 0x80;
image[i+2] = 0;
image[i+3] = 0x80;
}
y_data = image;
u_data = image + 1;
v_data = image + 3;
y_stride = 2*image_width;
u_stride = 2*image_width;
v_stride = 2*image_width;
j = jpeg_enc_init(image_width/hdec,
image_height/fields,
hdec*2, y_stride*fields,
hdec*4, u_stride*fields,
hdec*4, v_stride*fields,
0, quality, bw);
break;
default:
mp_msg(MSGT_VO, MSGL_FATAL, "internal inconsistency in vo_zr\n");
}
if (j == NULL) {
mp_msg(MSGT_VO, MSGL_ERR, "Error initializing the jpeg encoder\n");
return 1;
}
if (init_zoran(stretchx, stretchy)) {
return 1;
}
return 0;
}
static const vo_info_t* get_info(void) {
return &vo_info;
}
static void draw_osd(void) {
}
static void flip_page (void) {
int i, k;
//FILE *fp;
//char filename[100];
/* do we have a free buffer? */
if (queue-synco < zrq.count) {
frame = queue;
} else {
if (ioctl(vdes, MJPIOC_SYNC, &zs) < 0)
mp_msg(MSGT_VO, MSGL_ERR, "error waiting for buffers to become free");
frame = zs.frame;
synco++;
}
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,
"error queueing buffer for playback");
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, "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 < 2 || 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] 2 - 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)
{
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;
}
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