RepoMirrors
/
mpv
mirror of https://github.com/mpv-player/mpv
1
0
Fork 0
Code Issues Releases Wiki Activity
mpv/vidix/ivtv_vid.c

508 lines
12 KiB
C
Raw Blame History

/**
VIDIX driver for Hauppauge PVR 350.
Copyright 2007 Lutz Koschorreck.
Based on genfb_vid.c and ivtv_xv.c
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
09.05.2007 Lutz Koschorreck
First version: Tested with ivtv-0.10.1, xine-ui-0.99.5, xine-lib-1.1.6
**/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <math.h>
#include <inttypes.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <linux/types.h>
#include <linux/ivtv.h>
#include "vidix.h"
#include "vidixlib.h"
#include "fourcc.h"
#include "dha.h"
#include "pci_ids.h"
#include "pci_names.h"
#define VIDIX_STATIC ivtv_
#define IVTV_MSG "[ivtv-vid] "
#define MAXLINE 128
#define IVTVMAXWIDTH 720
#define IVTVMAXHEIGHT 576
static int yuvdev = 0;
static void *memBase = 0;
static int frameSize = 0;
static int probed = 0;
static int ivtv_verbose;
static vidix_rect_t destVideo;
static vidix_rect_t srcVideo;
static unsigned char *outbuf = NULL;
/* VIDIX exports */
static vidix_capability_t ivtv_cap =
{
"Hauppauge PVR 350 YUV Video",
"Lutz Koschorreck",
TYPE_OUTPUT,
{ 0, 0, 0, 0 },
IVTVMAXHEIGHT,
IVTVMAXWIDTH,
4,
4,
-1,
FLAG_UPSCALER|FLAG_DOWNSCALER,
-1,
-1,
{ 0, 0, 0, 0 }
};
static void de_macro_y (unsigned char *src, unsigned char *dst,
unsigned int w, unsigned int h,
int src_x, int src_y,
int height __attribute__ ((unused)), int width)
{
unsigned int x, y, i;
unsigned char *dst_2;
unsigned int h_tail, w_tail;
unsigned int h_size, w_size;
// Always round the origin, but compensate by increasing the size
if (src_x & 15)
{
w += src_x & 15;
src_x &= ~15;
}
if (src_y & 15)
{
h += src_y & 15;
src_y &= ~15;
}
// The right / bottom edge might not be a multiple of 16
h_tail = h & 15;
w_tail = w & 15;
// One block is 16 pixels high
h_size = 16;
// descramble Y plane
for (y = 0; y < h; y += 16)
{
// Clip if we've reached the bottom & the size isn't a multiple of 16
if (y + 16 > h) h_size = h_tail;
for (x = 0; x < w; x += 16)
{
if (x + 16 > w)
w_size = w_tail;
else
w_size = 16;
dst_2 = dst + (720 * y) + (720 * src_y) + (256 * (src_x>>4)) + (x * 16);
for (i = 0; i < h_size; i++)
{
memcpy (dst_2, src + src_x + x + (y + i) * width + (src_y * width),
w_size);
dst_2 += 16;
}
}
}
}
static void de_macro_uv (unsigned char *srcu, unsigned char *srcv,
unsigned char *dst, unsigned int w, unsigned int h,
int src_x, int src_y, int height, int width)
{
unsigned int x, y, i, f;
unsigned char *dst_2;
unsigned int h_tail, w_tail;
unsigned int h_size;
/* The uv plane is half the size of the y plane,
so 'correct' all dimensions. */
w /= 2;
h /= 2;
src_x /= 2;
src_y /= 2;
height /= 2;
width /= 2;
// Always round the origin, but compensate by increasing the size
if (src_x & 7)
{
w += src_x & 7;
src_x &= ~7;
}
if (src_y & 15)
{
h += src_y & 15;
src_y &= ~15;
}
// The right / bottom edge may not be a multiple of 16
h_tail = h & 15;
w_tail = w & 7;
h_size = 16;
// descramble U/V plane
for (y = 0; y < h; y += 16)
{
if (y + 16 > h)
h_size = h_tail;
for (x = 0; x < w; x += 8)
{
dst_2 = dst + (720 * y) + (720 * src_y) + (256 * (src_x>>3)) + (x * 32);
if (x + 8 <= w)
{
for (i = 0; i < h_size; i++)
{
int idx = src_x + x + ((y + i) * width) + (src_y * width);
dst_2[0] = srcu[idx + 0];
dst_2[1] = srcv[idx + 0];
dst_2[2] = srcu[idx + 1];
dst_2[3] = srcv[idx + 1];
dst_2[4] = srcu[idx + 2];
dst_2[5] = srcv[idx + 2];
dst_2[6] = srcu[idx + 3];
dst_2[7] = srcv[idx + 3];
dst_2[8] = srcu[idx + 4];
dst_2[9] = srcv[idx + 4];
dst_2[10] = srcu[idx + 5];
dst_2[11] = srcv[idx + 5];
dst_2[12] = srcu[idx + 6];
dst_2[13] = srcv[idx + 6];
dst_2[14] = srcu[idx + 7];
dst_2[15] = srcv[idx + 7];
dst_2 += 16;
}
}
else
{
for (i = 0; i < h_size; i ++)
{
int idx = src_x + x + ((y + i) * width) + (src_y * width);
for (f = 0; f < w_tail; f++)
{
dst_2[0] = srcu[idx + f];
dst_2[1] = srcv[idx + f];
dst_2 += 2;
}
dst_2 += 16 - (w_tail << 1);
}
}
}
}
}
static int ivtv_probe (int verbose, int force __attribute__ ((unused)))
{
pciinfo_t lst[MAX_PCI_DEVICES];
unsigned int i, num_pci;
int err;
FILE *procFb;
unsigned char fb_number = 0;
unsigned char yuv_device_number, yuv_device;
char yuv_device_name[] = "/dev/videoXXX\0";
if (verbose)
printf (IVTV_MSG"probe\n");
ivtv_verbose = verbose;
err = pci_scan (lst, &num_pci);
if (err)
{
printf (IVTV_MSG"Error occured during pci scan: %s\n", strerror (err));
return err;
}
if (ivtv_verbose)
printf (IVTV_MSG"Found %d pci devices\n", num_pci);
for (i = 0; i < num_pci; i++)
{
if (ivtv_verbose == 2)
printf (IVTV_MSG"Found chip [%04X:%04X] '%s' '%s'\n",
lst[i].vendor, lst[i].device, pci_vendor_name (lst[i].vendor),
pci_device_name(lst[i].vendor,lst[i].device));
if (VENDOR_INTERNEXT == lst[i].vendor)
{
switch (lst[i].device)
{
case DEVICE_INTERNEXT_ITVC15_MPEG_2_ENCODER:
if (ivtv_verbose)
printf (IVTV_MSG"Found PVR 350\n");
goto card_found;
}
}
}
if (ivtv_verbose)
printf (IVTV_MSG"Can't find chip\n");
return (ENXIO);
card_found:
/* Try to find framebuffer device */
procFb = fopen ("/proc/fb", "r");
if (procFb)
{
char procEntry[MAXLINE] = {0};
while (NULL != fgets(procEntry, MAXLINE, procFb))
{
char *pos = NULL;
if (ivtv_verbose)
printf (IVTV_MSG" %s", procEntry);
if (NULL != (pos = strstr(procEntry, " cx23415 TV out")))
{
*pos = '\0';
fb_number = atoi (procEntry);
if (ivtv_verbose)
printf (IVTV_MSG"Framebuffer found #%u\n", fb_number);
goto fb_found;
}
}
}
else
{
if (ivtv_verbose)
printf (IVTV_MSG"Framebuffer device not found\n");
return (ENXIO);
}
fb_found:
fclose (procFb);
/* Try to find YUV device */
yuv_device_number = 48;
yuv_device = 48 + fb_number;
do {
sprintf (yuv_device_name, "/dev/video%u", yuv_device);
yuvdev = open (yuv_device_name, O_RDWR);
if (-1 != yuvdev)
{
if (ivtv_verbose)
printf (IVTV_MSG"YUV device found /dev/video%u\n", yuv_device);
goto yuv_found;
}
else
{
if (ivtv_verbose)
printf (IVTV_MSG"YUV device not found: /dev/video%u\n", yuv_device);
}
} while (yuv_device-- > yuv_device_number);
return (ENXIO);
yuv_found:
probed = 1;
return 0;
}
static int ivtv_init (void)
{
if (ivtv_verbose)
printf (IVTV_MSG"init\n");
if (!probed)
{
if (ivtv_verbose)
printf (IVTV_MSG"Driver was not probed but is being initialized\n");
return (EINTR);
}
outbuf = malloc ((IVTVMAXHEIGHT * IVTVMAXWIDTH)
+ (IVTVMAXHEIGHT * IVTVMAXWIDTH / 2));
if (!outbuf)
{
if (ivtv_verbose)
printf (IVTV_MSG"Not enough memory availabe!\n");
return (EINTR);
}
return 0;
}
static void ivtv_destroy (void)
{
if (ivtv_verbose)
printf (IVTV_MSG"destory\n");
close (yuvdev);
free (outbuf);
}
static int ivtv_get_caps (vidix_capability_t *to)
{
if (ivtv_verbose)
printf (IVTV_MSG"GetCap\n");
memcpy (to, &ivtv_cap, sizeof (vidix_capability_t));
return 0;
}
static int ivtv_query_fourcc (vidix_fourcc_t *to)
{
int supports = 0;
if (ivtv_verbose)
printf (IVTV_MSG"query fourcc (%x)\n", to->fourcc);
switch (to->fourcc)
{
case IMGFMT_YV12:
supports = 1;
break;
default:
supports = 0;
}
if (!supports)
{
to->depth = to->flags = 0;
return (ENOTSUP);
}
to->depth = VID_DEPTH_12BPP |
VID_DEPTH_15BPP | VID_DEPTH_16BPP |
VID_DEPTH_24BPP | VID_DEPTH_32BPP;
to->flags = 0;
return 0;
}
static int ivtv_config_playback (vidix_playback_t *info)
{
if (ivtv_verbose)
printf (IVTV_MSG"config playback\n");
if (2 == ivtv_verbose)
{
printf (IVTV_MSG"src : x:%d y:%d w:%d h:%d\n",
info->src.x, info->src.y, info->src.w, info->src.h);
printf (IVTV_MSG"dest: x:%d y:%d w:%d h:%d\n",
info->dest.x, info->dest.y, info->dest.w, info->dest.h);
}
memcpy (&destVideo, &info->dest, sizeof (vidix_rect_t));
memcpy (&srcVideo, &info->src, sizeof (vidix_rect_t));
info->num_frames = 2;
info->frame_size = frameSize =
info->src.w*info->src.h+(info->src.w*info->src.h)/2;
info->dest.pitch.y = 16;
info->dest.pitch.u = info->dest.pitch.v = 16;
info->offsets[0] = 0;
info->offsets[1] = info->frame_size;
info->offset.y = 0;
info->offset.u = IVTVMAXWIDTH * IVTVMAXHEIGHT;
info->offset.v = IVTVMAXWIDTH * IVTVMAXHEIGHT
+ (IVTVMAXWIDTH / 2) * (IVTVMAXHEIGHT / 2);
info->dga_addr = memBase = malloc (info->num_frames*info->frame_size);
if (ivtv_verbose)
printf (IVTV_MSG"frame_size: %d, dga_addr: %p\n",
info->frame_size, info->dga_addr);
return 0;
}
static int ivtv_playback_on (void)
{
if (ivtv_verbose)
printf (IVTV_MSG"playback on\n");
return 0;
}
static int ivtv_playback_off (void)
{
if (ivtv_verbose)
printf (IVTV_MSG"playback off\n");
return 0;
}
static int ivtv_frame_sel (unsigned int frame)
{
struct ivtvyuv_ioctl_dma_host_to_ivtv_args args;
de_macro_y ((memBase + (frame * frameSize)),
outbuf, srcVideo.w, srcVideo.h,
srcVideo.x, srcVideo.y, destVideo.h, destVideo.w);
de_macro_uv ((memBase + (frame * frameSize))
+ (srcVideo.w * srcVideo.h) + srcVideo.w * srcVideo.h / 4,
(memBase + (frame * frameSize)) + (srcVideo.w * srcVideo.h),
outbuf + IVTVMAXWIDTH * IVTVMAXHEIGHT,
srcVideo.w, srcVideo.h, srcVideo.x, srcVideo.y,
destVideo.h, destVideo.w);
args.y_source = outbuf;
args.uv_source = outbuf + (IVTVMAXWIDTH * IVTVMAXHEIGHT);
args.src_x = srcVideo.x;
args.src_y = srcVideo.y;
args.dst_x = destVideo.x;
args.dst_y = destVideo.y;
args.src_w = srcVideo.w;
args.dst_w = destVideo.w;
args.srcBuf_width = srcVideo.w;
args.src_h = srcVideo.h;
args.dst_h = destVideo.h;
args.srcBuf_height = srcVideo.h;
args.yuv_type = 0;
if(ioctl(yuvdev, IVTV_IOC_PREP_FRAME_YUV, &args) == -1)
printf ("Ioctl IVTV_IOC_PREP_FRAME_YUV returned failed Error\n");
return 0;
}
VDXDriver ivtv_drv = {
"ivtv",
NULL,
.probe = ivtv_probe,
.get_caps = ivtv_get_caps,
.query_fourcc = ivtv_query_fourcc,
.init = ivtv_init,
.destroy = ivtv_destroy,
.config_playback = ivtv_config_playback,
.playback_on = ivtv_playback_on,
.playback_off = ivtv_playback_off,
.frame_sel = ivtv_frame_sel,
};
Reference in New Issue View Git Blame Copy Permalink