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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 "zoran.h"
#include "config.h"
#define ZR_USES_LIBJPEG
#include "video_out.h"
#include "video_out_internal.h"
#include "../mp_msg.h"
#include "../cfgparser.h"
#include "fastmemcpy.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' */
static int framenum;
static int fields = 1; /* currently no interlacing */
static int forceinter = 0;
static int vdec = 1;
static int size;
static int quality = 70;
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;
/* Variables needed for Zoran */
int vdes; /* the file descriptor of the video device */
int frame = 0, synco = 0, queue = 0; /* buffer management */
struct zoran_params zp;
struct zoran_requestbuffers zrq;
struct zoran_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;
#ifdef ZR_USES_LIBJPEG
#include<jpeglib.h>
int ccount;
unsigned char *ccbuf;
struct jpeg_compress_struct cinfo;
struct jpeg_destination_mgr jdest;
struct jpeg_error_mgr jerr;
/* minimal destination handler to output to buffer */
METHODDEF(void) init_destination(struct jpeg_compress_struct *cinfo) {
// printf("init_destination called %p %d\n", ccbuf, ccount);
cinfo->dest->next_output_byte = (JOCTET*)(ccbuf+ccount);
cinfo->dest->free_in_buffer = MJPEG_SIZE - ccount;
}
METHODDEF(boolean) empty_output_buffer(struct jpeg_compress_struct *cinfo) {
// printf("empty_output_buffer called\n");
mp_msg(MSGT_VO, MSGL_ERR, "empty_output_buffer called, may not happen because buffer must me large enough\n");
return(FALSE);
}
METHODDEF(void) term_destination(struct jpeg_compress_struct *cinfo) {
// printf("term_destination called %p %d\n", ccbuf, ccount);
ccount = MJPEG_SIZE - cinfo->dest->free_in_buffer;
}
/* end of minimal destination handler */
JSAMPARRAY ***jsi;
#else
#include "../libavcodec/avcodec.h"
AVCodec *codec;
AVCodecContext codec_context;
AVPicture picture;
#endif
static int jpegdct = JDCT_IFAST;
int init_codec() {
#ifdef ZR_USES_LIBJPEG
int i, j, k;
cinfo.err = jpeg_std_error(&jerr);
jpeg_create_compress(&cinfo);
cinfo.dest = &jdest;
cinfo.dest->init_destination = init_destination;
cinfo.dest->empty_output_buffer = empty_output_buffer;
cinfo.dest->term_destination = term_destination;
cinfo.input_components = 3;
jpeg_set_defaults(&cinfo);
cinfo.image_width = image_width;
cinfo.image_height = image_height/fields;
cinfo.input_gamma = 1.0;
cinfo.in_color_space = JCS_YCbCr;
cinfo.raw_data_in = TRUE;
cinfo.comp_info[0].h_samp_factor = 2;
cinfo.comp_info[0].v_samp_factor = 1;
cinfo.comp_info[1].h_samp_factor = 1;
cinfo.comp_info[1].v_samp_factor = 1;
cinfo.comp_info[2].h_samp_factor = 1;
cinfo.comp_info[2].v_samp_factor = 1;
cinfo.dct_method = jpegdct;
jpeg_set_quality(&cinfo, quality, FALSE);
jsi = malloc(sizeof(JSAMPARRAY**)*fields);
/* Just some clutter to give libjpeg the pointers,
* and I don't want to recalculate everything everytime
* it is needed */
for (k = 0; k < fields; k++) {
jsi[k] = malloc(sizeof(JSAMPARRAY*)*image_height/(8*fields));
for (i = 0; i < image_height/(8*fields); i++) {
jsi[k][i] = malloc(3*sizeof(JSAMPARRAY));
jsi[k][i][0] = malloc(8*sizeof(JSAMPROW));
jsi[k][i][1] = malloc(8*sizeof(JSAMPROW));
jsi[k][i][2] = malloc(8*sizeof(JSAMPROW));
for (j = 0; j < 8; j++) {
jsi[k][i][0][j] = (JSAMPROW)(image +
(fields*(8*i + j) + k)*image_width);
jsi[k][i][1][j] = (JSAMPROW)(image + size +
(fields*(8*i + j)/2)*image_width/2);
jsi[k][i][2][j] = (JSAMPROW)(image + 3*size/2 +
(fields*(8*i + j)/2)*image_width/2);
}
}
}
#else
AVCodecContext *c = &codec_context;
codec = avcodec_find_encoder(CODEC_ID_MJPEG);
if (!codec) {
/* maybe libavcodec was not initialized */
avcodec_init();
avcodec_register_all();
codec = avcodec_find_encoder(CODEC_ID_MJPEG);
if (!codec) {
mp_msg(MSGT_VO, MSGL_ERR, "MJPG codec not found in libavcodec\n");
return 1;
}
}
/* put default values */
memset(c, 0, sizeof(*c));
c->width = image_width;
c->height = image_height;
c->bit_rate = 4000000;
c->frame_rate = 25*FRAME_RATE_BASE;
//c->gop_size = 1;
c->pix_fmt = PIX_FMT_YUV422P;
if (avcodec_open(c, codec) < 0) {
mp_msg(MSGT_VO, MSGL_ERR, "MJPG codec could not be opened\n");
return 1;
}
picture.data[0] = image;
picture.data[1] = image + size;
picture.data[2] = image + 3*size/2;
picture.linesize[0] = image_width;
picture.linesize[1] = image_width/2;
picture.linesize[2] = image_width/2;
#endif
return 0;
}
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, BUZIOC_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, BUZIOC_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, BUZIOC_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, "zr36067 reports: maxwidth=%d, maxheight=%d\n", vc.maxwidth, vc.maxheight);
return 0;
}
int init_zoran() {
/* 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, "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 = (vc.maxwidth >= 2*(int)image_width) ? 2 : 1;
zp.VerDcm = 1;
if (zp.HorDcm == 2 && 4*image_width <= vc.maxwidth &&
4*image_height/fields <= vc.maxheight) {
zp.HorDcm = 4;
zp.VerDcm = 2;
}
if (((forceinter == 0 && vdec >= 2) || (forceinter == 1 && vdec == 4)) && 4*image_height/fields <= vc.maxheight) {
zp.VerDcm = 2;
}
zp.TmpDcm = 1;
zp.field_per_buff = fields;
zp.img_x = (vc.maxwidth - zp.HorDcm*(int)image_width)/2;
zp.img_y = (vc.maxheight - zp.VerDcm*(3-fields)*(int)image_height)/4;
zp.img_width = zp.HorDcm*image_width;
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, zp.img_height, zp.img_x, zp.img_y, fields, image_width, image_height);
if (ioctl(vdes, BUZIOC_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, BUZIOC_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, BUZIOC_SYNC, &zs) < 0)
mp_msg(MSGT_VO, MSGL_ERR, "error waiting for buffers to become free");
synco++;
}
/* stop streaming */
frame = -1;
if (ioctl(vdes, BUZIOC_QBUF_PLAY, &frame) < 0)
mp_msg(MSGT_VO, MSGL_ERR, "error stopping playback of last frame");
close(vdes);
}
static uint32_t init(uint32_t width, uint32_t height, uint32_t d_width,
uint32_t d_height, uint32_t fullscreen, char *title, uint32_t format)
{
int j;
/* this allows to crop parts from incoming picture,
* for easy 512x240 -> 352x240 */
/* These values must be multples of 2 */
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;
}
/* 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 */
if (g.height/vdec > vc.maxheight/2 || (forceinter == 1 && vdec == 1))
fields = 2;
printf("fields=%d\n", fields);
/* 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 = 16*((g.width - 1)/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 */
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);
if (init_codec()) {
return 1;
}
if (init_zoran()) {
#ifdef ZR_USES_LIBJPEG
jpeg_destroy_compress(&cinfo);
#else
avcodec_close(&codec_context);
#endif
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) {
#ifdef ZR_USES_LIBJPEG
int i, j, k;
#else
AVCodecContext *c = &codec_context;
#endif
/* do we have a free buffer? */
if (queue-synco < zrq.count) {
frame = queue;
} else {
if (ioctl(vdes, BUZIOC_SYNC, &zs) < 0)
mp_msg(MSGT_VO, MSGL_ERR, "error waiting for buffers to become free");
frame = zs.frame;
synco++;
}
#ifdef ZR_USES_LIBJPEG
ccbuf = buf + frame*zrq.size;
ccount = 0;
k = fields;
for (j=0; j < k; j++) {
jpeg_start_compress(&cinfo, TRUE);
i=0;
while (cinfo.next_scanline < cinfo.image_height) {
jpeg_write_raw_data(&cinfo, jsi[j][i], 8);
i++;
}
jpeg_finish_compress(&cinfo);
}
#else
avcodec_encode_video(c, buf + frame*zrq.size, MJPEG_SIZE, &picture);
#endif
if (ioctl(vdes, BUZIOC_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[]) {
return 0;
}
static uint32_t query_format(uint32_t format) {
if(format==IMGFMT_YV12) return 1;
return 0;
}
static void uninit(void) {
uninit_zoran();
#ifdef ZR_USES_LIBJPEG
jpeg_destroy_compress(&cinfo);
#else
avcodec_close(&codec_context);
#endif
}
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];
}
{
// 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, "zrfi")) {
if (param != NULL) {
return ERR_OUT_OF_RANGE;
}
forceinter = 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, "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 < 30 || i > 100) return ERR_OUT_OF_RANGE;
quality = i;
return 1;
}else if (!strcasecmp(opt, "zrdct")) {
if (param == NULL) return ERR_MISSING_PARAM;
if (!strcasecmp(param, "IFAST")) {
jpegdct = JDCT_IFAST;
return 1;
} else if (!strcasecmp(param, "ISLOW")) {
jpegdct = JDCT_ISLOW;
return 1;
} else if (!strcasecmp(param, "FLOAT")) {
jpegdct = JDCT_FLOAT;
return 1;
} else {
return ERR_OUT_OF_RANGE;
}
}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"
" -zrfi force interlacing ('wide screen')\n"
" (by default we only interlace if the movie\n"
" is higher than half of the screen height)\n"
" -zrquality jpeg compression quality 30-100\n"
" -zrdct specify DCT method: IFAST, ISLOW or FLOAT\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, "zrfi"))
forceinter=0;
else if (!strcasecmp(param, "zrcrop"))
g.set = g.xoff = g.yoff = 0;
else if (!strcasecmp(param, "zrvdec"))
vdec = 1;
else if (!strcasecmp(param, "zrquality"))
quality = 70;
else if (!strcasecmp(param, "zrdct"))
jpegdct = JDCT_IFAST;
else if (!strcasecmp(param, "zrnorm"))
norm = VIDEO_MODE_AUTO;
}
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