mirror of
https://github.com/mpv-player/mpv
synced 2024-12-09 08:29:42 +00:00
507121f7fe
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@14246 b3059339-0415-0410-9bf9-f77b7e298cf2
848 lines
18 KiB
C
848 lines
18 KiB
C
/*
|
|
(C)2002 Charles R. Henrich (henrich@msu.edu)
|
|
*BSD (hopefully, requires working driver!) BrookTree capture support.
|
|
|
|
Still in (active) development!
|
|
|
|
v1.1 Mar 13 2002 Fully functional, need to move ring buffer to
|
|
the kernel driver.
|
|
v1.0 Feb 19 2002 First Release, need to add support for changing
|
|
audio parameters.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#if defined(USE_TV) && defined(HAVE_TV_BSDBT848)
|
|
|
|
#define RINGSIZE 8
|
|
#define FRAGSIZE 4096 /* (2^12 see SETFRAGSIZE below) */
|
|
|
|
#define TRUE (1==1)
|
|
#define FALSE (1==0)
|
|
|
|
#define PAL_WIDTH 768
|
|
#define PAL_HEIGHT 576
|
|
#define PAL_FPS 25
|
|
|
|
#define NTSC_WIDTH 640
|
|
#define NTSC_HEIGHT 480
|
|
#define NTSC_FPS 29.97
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <sys/types.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/filio.h>
|
|
#include <sys/time.h>
|
|
#include <signal.h>
|
|
#include <string.h>
|
|
|
|
#include <sys/param.h>
|
|
#ifdef __NetBSD__
|
|
#include <dev/ic/bt8xx.h>
|
|
#include <sys/audioio.h>
|
|
#elif __FreeBSD_version >= 502100
|
|
#include <dev/bktr/ioctl_meteor.h>
|
|
#include <dev/bktr/ioctl_bt848.h>
|
|
#else
|
|
#include <machine/ioctl_meteor.h>
|
|
#include <machine/ioctl_bt848.h>
|
|
#endif
|
|
|
|
#ifdef HAVE_SYS_SOUNDCARD_H
|
|
#include <sys/soundcard.h>
|
|
#else
|
|
#ifdef HAVE_SOUNDCARD_H
|
|
#include <soundcard.h>
|
|
#else
|
|
#include <machine/soundcard.h>
|
|
#endif
|
|
#endif
|
|
|
|
#include "../libaf/af_format.h"
|
|
#include "../libvo/img_format.h"
|
|
#include "tv.h"
|
|
|
|
/* information about this file */
|
|
static tvi_info_t info = {
|
|
"Brooktree848 Support",
|
|
"bsdbt848",
|
|
"Charles Henrich",
|
|
"in development"
|
|
};
|
|
|
|
typedef struct {
|
|
int dirty;
|
|
double timestamp;
|
|
char *buf;
|
|
} RBFRAME;
|
|
|
|
/* private data's */
|
|
typedef struct {
|
|
|
|
/* Audio */
|
|
char *dspdev;
|
|
int dspready;
|
|
int dspfd;
|
|
int dspsamplesize;
|
|
int dspstereo;
|
|
int dspspeed;
|
|
int dspfmt;
|
|
int dspframesize;
|
|
int dsprate;
|
|
long long dspbytesread;
|
|
|
|
/* Video */
|
|
char *btdev;
|
|
int videoready;
|
|
int btfd;
|
|
int source;
|
|
float maxfps;
|
|
float fps;
|
|
int iformat;
|
|
int maxheight;
|
|
int maxwidth;
|
|
struct meteor_geomet geom;
|
|
struct meteor_capframe capframe;
|
|
|
|
/* Frame Buffer */
|
|
|
|
int framebufsize;
|
|
float timestamp;
|
|
int curpaintframe;
|
|
int curbufframe;
|
|
unsigned char *livebuf;
|
|
RBFRAME framebuf[RINGSIZE];
|
|
|
|
/* Inputs */
|
|
|
|
int input;
|
|
|
|
/* Tuner */
|
|
|
|
char *tunerdev;
|
|
int tunerfd;
|
|
int tunerready;
|
|
u_long tunerfreq;
|
|
struct bktr_chnlset cset;
|
|
|
|
/* Other */
|
|
|
|
int immediatemode;
|
|
double starttime;
|
|
|
|
} priv_t;
|
|
|
|
#include "tvi_def.h"
|
|
|
|
static priv_t *G_private=NULL;
|
|
|
|
static int getinput(int innumber);
|
|
|
|
static void processframe(int signal)
|
|
{
|
|
struct timeval curtime;
|
|
|
|
if(G_private->immediatemode == TRUE) return;
|
|
|
|
gettimeofday(&curtime, NULL);
|
|
|
|
if(G_private->framebuf[G_private->curpaintframe].dirty == TRUE)
|
|
{
|
|
memcpy(G_private->framebuf[G_private->curpaintframe].buf,
|
|
G_private->livebuf, G_private->framebufsize);
|
|
|
|
G_private->framebuf[G_private->curpaintframe].dirty = FALSE;
|
|
|
|
G_private->framebuf[G_private->curpaintframe].timestamp =
|
|
curtime.tv_sec + curtime.tv_usec*.000001;
|
|
|
|
G_private->curpaintframe++;
|
|
|
|
if(G_private->curpaintframe >= RINGSIZE) G_private->curpaintframe = 0;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/* handler creator - entry point ! */
|
|
tvi_handle_t *tvi_init_bsdbt848(char *device)
|
|
{
|
|
return(new_handle());
|
|
}
|
|
|
|
static int control(priv_t *priv, int cmd, void *arg)
|
|
{
|
|
switch(cmd)
|
|
{
|
|
|
|
/* Tuner Controls */
|
|
|
|
case TVI_CONTROL_IS_TUNER:
|
|
if(priv->tunerready == FALSE) return TVI_CONTROL_FALSE;
|
|
return(TVI_CONTROL_TRUE);
|
|
|
|
case TVI_CONTROL_TUN_GET_FREQ:
|
|
{
|
|
if(ioctl(priv->tunerfd, TVTUNER_GETFREQ, &priv->tunerfreq) < 0)
|
|
{
|
|
perror("GETFREQ:ioctl");
|
|
return(TVI_CONTROL_FALSE);
|
|
}
|
|
|
|
(int)*(void **)arg = priv->tunerfreq;
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
|
|
case TVI_CONTROL_TUN_SET_FREQ:
|
|
{
|
|
priv->tunerfreq = (int)*(void **)arg;
|
|
|
|
if(ioctl(priv->tunerfd, TVTUNER_SETFREQ, &priv->tunerfreq) < 0)
|
|
{
|
|
perror("SETFREQ:ioctl");
|
|
return(0);
|
|
}
|
|
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
|
|
case TVI_CONTROL_TUN_GET_TUNER:
|
|
case TVI_CONTROL_TUN_SET_TUNER:
|
|
|
|
/* Inputs */
|
|
|
|
case TVI_CONTROL_SPC_GET_INPUT:
|
|
{
|
|
if(ioctl(priv->btfd, METEORGINPUT, &priv->input) < 0)
|
|
{
|
|
perror("GINPUT:ioctl");
|
|
return(TVI_CONTROL_FALSE);
|
|
}
|
|
|
|
(int)*(void **)arg = priv->input;
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
|
|
case TVI_CONTROL_SPC_SET_INPUT:
|
|
{
|
|
priv->input = getinput((int)*(void **)arg);
|
|
|
|
if(ioctl(priv->btfd, METEORSINPUT, &priv->input) < 0)
|
|
{
|
|
perror("tunerfreq:ioctl");
|
|
return(0);
|
|
}
|
|
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
|
|
/* Audio Controls */
|
|
|
|
case TVI_CONTROL_IS_AUDIO:
|
|
if(priv->dspready == FALSE) return TVI_CONTROL_FALSE;
|
|
return(TVI_CONTROL_TRUE);
|
|
|
|
case TVI_CONTROL_AUD_GET_FORMAT:
|
|
{
|
|
(int)*(void **)arg = AF_FORMAT_S16_LE;
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
case TVI_CONTROL_AUD_GET_CHANNELS:
|
|
{
|
|
(int)*(void **)arg = 2;
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
case TVI_CONTROL_AUD_SET_SAMPLERATE:
|
|
{
|
|
int dspspeed = (int)*(void **)arg;
|
|
|
|
if(ioctl(priv->dspfd, SNDCTL_DSP_SPEED, &dspspeed) == -1)
|
|
{
|
|
perror("invalidaudiorate");
|
|
return(TVI_CONTROL_FALSE);
|
|
}
|
|
|
|
priv->dspspeed = dspspeed;
|
|
|
|
priv->dspframesize = priv->dspspeed*priv->dspsamplesize/8/
|
|
priv->fps * (priv->dspstereo+1);
|
|
priv->dsprate = priv->dspspeed * priv->dspsamplesize/8*
|
|
(priv->dspstereo+1);
|
|
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
case TVI_CONTROL_AUD_GET_SAMPLERATE:
|
|
{
|
|
(int)*(void **)arg = priv->dspspeed;
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
case TVI_CONTROL_AUD_GET_SAMPLESIZE:
|
|
{
|
|
(int)*(void **)arg = priv->dspsamplesize/8;
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
|
|
/* Video Controls */
|
|
|
|
case TVI_CONTROL_IS_VIDEO:
|
|
if(priv->videoready == FALSE) return TVI_CONTROL_FALSE;
|
|
return(TVI_CONTROL_TRUE);
|
|
|
|
case TVI_CONTROL_TUN_SET_NORM:
|
|
{
|
|
int req_mode = (int)*(void **)arg;
|
|
u_short tmp_fps;
|
|
|
|
priv->iformat = METEOR_FMT_AUTOMODE;
|
|
|
|
if(req_mode == TV_NORM_PAL)
|
|
{
|
|
priv->iformat = METEOR_FMT_PAL;
|
|
priv->maxheight = PAL_HEIGHT;
|
|
priv->maxwidth = PAL_WIDTH;
|
|
priv->maxfps = PAL_FPS;
|
|
priv->fps = PAL_FPS;
|
|
|
|
if(priv->fps > priv->maxfps) priv->fps = priv->maxfps;
|
|
|
|
if(priv->geom.rows > priv->maxheight)
|
|
{
|
|
priv->geom.rows = priv->maxheight;
|
|
}
|
|
|
|
if(priv->geom.columns > priv->maxwidth)
|
|
{
|
|
priv->geom.columns = priv->maxwidth;
|
|
}
|
|
}
|
|
|
|
if(req_mode == TV_NORM_NTSC)
|
|
{
|
|
priv->iformat = METEOR_FMT_NTSC;
|
|
priv->maxheight = NTSC_HEIGHT;
|
|
priv->maxwidth = NTSC_WIDTH;
|
|
priv->maxfps = NTSC_FPS;
|
|
priv->fps = NTSC_FPS;
|
|
|
|
priv->dspframesize = priv->dspspeed*priv->dspsamplesize/8/
|
|
priv->fps * (priv->dspstereo+1);
|
|
priv->dsprate = priv->dspspeed * priv->dspsamplesize/8 *
|
|
(priv->dspstereo+1);
|
|
|
|
if(priv->fps > priv->maxfps) priv->fps = priv->maxfps;
|
|
|
|
if(priv->geom.rows > priv->maxheight)
|
|
{
|
|
priv->geom.rows = priv->maxheight;
|
|
}
|
|
|
|
if(priv->geom.columns > priv->maxwidth)
|
|
{
|
|
priv->geom.columns = priv->maxwidth;
|
|
}
|
|
}
|
|
|
|
if(req_mode == TV_NORM_SECAM) priv->iformat = METEOR_FMT_SECAM;
|
|
|
|
if(ioctl(priv->btfd, METEORSFMT, &priv->iformat) < 0)
|
|
{
|
|
perror("format:ioctl");
|
|
return(TVI_CONTROL_FALSE);
|
|
}
|
|
|
|
if(ioctl(priv->btfd, METEORSETGEO, &priv->geom) < 0)
|
|
{
|
|
perror("geo:ioctl");
|
|
return(0);
|
|
}
|
|
|
|
tmp_fps = priv->fps;
|
|
if(ioctl(priv->btfd, METEORSFPS, &tmp_fps) < 0)
|
|
{
|
|
perror("fps:ioctl");
|
|
return(0);
|
|
}
|
|
|
|
#ifdef BT848_SAUDIO
|
|
if(priv->tunerready == TRUE &&
|
|
ioctl(priv->tunerfd, BT848_SAUDIO, &tv_param_audio_id) < 0)
|
|
{
|
|
perror("audioid:ioctl");
|
|
}
|
|
#endif
|
|
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
|
|
case TVI_CONTROL_VID_GET_FORMAT:
|
|
(int)*(void **)arg = IMGFMT_UYVY;
|
|
return(TVI_CONTROL_TRUE);
|
|
|
|
case TVI_CONTROL_VID_SET_FORMAT:
|
|
{
|
|
int req_fmt = (int)*(void **)arg;
|
|
|
|
if(req_fmt != IMGFMT_UYVY) return(TVI_CONTROL_FALSE);
|
|
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
case TVI_CONTROL_VID_SET_WIDTH:
|
|
priv->geom.columns = (int)*(void **)arg;
|
|
|
|
if(priv->geom.columns > priv->maxwidth)
|
|
{
|
|
priv->geom.columns = priv->maxwidth;
|
|
}
|
|
|
|
if(ioctl(priv->btfd, METEORSETGEO, &priv->geom) < 0)
|
|
{
|
|
perror("width:ioctl");
|
|
return(0);
|
|
}
|
|
|
|
return(TVI_CONTROL_TRUE);
|
|
|
|
case TVI_CONTROL_VID_GET_WIDTH:
|
|
(int)*(void **)arg = priv->geom.columns;
|
|
return(TVI_CONTROL_TRUE);
|
|
|
|
case TVI_CONTROL_VID_SET_HEIGHT:
|
|
priv->geom.rows = (int)*(void **)arg;
|
|
|
|
if(priv->geom.rows > priv->maxheight)
|
|
{
|
|
priv->geom.rows = priv->maxheight;
|
|
}
|
|
|
|
if(priv->geom.rows <= priv->maxheight / 2)
|
|
{
|
|
priv->geom.oformat |= METEOR_GEO_EVEN_ONLY;
|
|
}
|
|
|
|
if(ioctl(priv->btfd, METEORSETGEO, &priv->geom) < 0)
|
|
{
|
|
perror("height:ioctl");
|
|
return(0);
|
|
}
|
|
|
|
return(TVI_CONTROL_TRUE);
|
|
|
|
case TVI_CONTROL_VID_GET_HEIGHT:
|
|
(int)*(void **)arg = priv->geom.rows;
|
|
return(TVI_CONTROL_TRUE);
|
|
|
|
case TVI_CONTROL_VID_GET_FPS:
|
|
*(float *)arg = priv->fps;
|
|
return(TVI_CONTROL_TRUE);
|
|
|
|
/*
|
|
case TVI_CONTROL_VID_SET_FPS:
|
|
priv->fps = (int)*(void **)arg;
|
|
|
|
if(priv->fps > priv->maxfps) priv->fps = priv->maxfps;
|
|
|
|
if(ioctl(priv->btfd, METEORSFPS, &priv->fps) < 0)
|
|
{
|
|
perror("fps:ioctl");
|
|
return(0);
|
|
}
|
|
|
|
return(TVI_CONTROL_TRUE);
|
|
*/
|
|
|
|
case TVI_CONTROL_VID_CHK_WIDTH:
|
|
case TVI_CONTROL_VID_CHK_HEIGHT:
|
|
return(TVI_CONTROL_TRUE);
|
|
|
|
case TVI_CONTROL_IMMEDIATE:
|
|
priv->immediatemode = TRUE;
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
|
|
return(TVI_CONTROL_UNKNOWN);
|
|
}
|
|
|
|
static int init(priv_t *priv)
|
|
{
|
|
int marg;
|
|
int count;
|
|
u_short tmp_fps;
|
|
|
|
G_private = priv; /* Oooh, sick */
|
|
|
|
/* Video Configuration */
|
|
|
|
priv->videoready = TRUE;
|
|
priv->btdev = strdup("/dev/bktr0");
|
|
priv->immediatemode = FALSE;
|
|
priv->iformat = METEOR_FMT_PAL;
|
|
priv->maxheight = PAL_HEIGHT;
|
|
priv->maxwidth = PAL_WIDTH;
|
|
priv->maxfps = PAL_FPS;
|
|
priv->source = METEOR_INPUT_DEV0;
|
|
priv->fps = priv->maxfps;
|
|
|
|
priv->starttime=0;
|
|
priv->curpaintframe=0;
|
|
priv->curbufframe=0;
|
|
|
|
priv->geom.columns = priv->maxwidth;
|
|
priv->geom.rows = priv->maxheight;
|
|
priv->geom.frames = 1;
|
|
priv->geom.oformat = METEOR_GEO_YUV_PACKED;
|
|
|
|
priv->btfd = open(priv->btdev, O_RDONLY);
|
|
|
|
if(priv->btfd < 0)
|
|
{
|
|
perror("bktr open");
|
|
priv->videoready = FALSE;
|
|
}
|
|
|
|
if(priv->videoready == TRUE &&
|
|
ioctl(priv->btfd, METEORSFMT, &priv->iformat) < 0)
|
|
{
|
|
perror("FMT:ioctl");
|
|
}
|
|
|
|
if(priv->videoready == TRUE &&
|
|
ioctl(priv->btfd, METEORSINPUT, &priv->source) < 0)
|
|
{
|
|
perror("SINPUT:ioctl");
|
|
}
|
|
|
|
tmp_fps = priv->fps;
|
|
if(priv->videoready == TRUE &&
|
|
ioctl(priv->btfd, METEORSFPS, &tmp_fps) < 0)
|
|
{
|
|
perror("SFPS:ioctl");
|
|
}
|
|
|
|
if(priv->videoready == TRUE &&
|
|
ioctl(priv->btfd, METEORSETGEO, &priv->geom) < 0)
|
|
{
|
|
perror("SGEO:ioctl");
|
|
}
|
|
|
|
if(priv->videoready == TRUE)
|
|
{
|
|
priv->framebufsize = (priv->geom.columns * priv->geom.rows * 2);
|
|
|
|
priv->livebuf = (u_char *)mmap((caddr_t)0, priv->framebufsize, PROT_READ,
|
|
MAP_SHARED, priv->btfd, (off_t)0);
|
|
|
|
if(priv->livebuf == (u_char *) MAP_FAILED)
|
|
{
|
|
perror("mmap");
|
|
priv->videoready = FALSE;
|
|
}
|
|
|
|
for(count=0;count<RINGSIZE;count++)
|
|
{
|
|
priv->framebuf[count].buf = malloc(priv->framebufsize);
|
|
|
|
if(priv->framebuf[count].buf == NULL)
|
|
{
|
|
perror("framebufmalloc");
|
|
priv->videoready = FALSE;
|
|
break;
|
|
}
|
|
|
|
priv->framebuf[count].dirty = TRUE;
|
|
priv->framebuf[count].timestamp = 0;
|
|
}
|
|
}
|
|
|
|
/* Tuner Configuration */
|
|
|
|
priv->tunerdev = strdup("/dev/tuner0");
|
|
priv->tunerready = TRUE;
|
|
|
|
priv->tunerfd = open(priv->tunerdev, O_RDONLY);
|
|
|
|
if(priv->tunerfd < 0)
|
|
{
|
|
perror("tune open");
|
|
priv->tunerready = FALSE;
|
|
}
|
|
|
|
/* Audio Configuration */
|
|
|
|
priv->dspready = TRUE;
|
|
#ifdef __NetBSD__
|
|
priv->dspdev = strdup("/dev/sound");
|
|
#else
|
|
priv->dspdev = strdup("/dev/dsp");
|
|
#endif
|
|
priv->dspsamplesize = 16;
|
|
priv->dspstereo = 1;
|
|
priv->dspspeed = 44100;
|
|
priv->dspfmt = AFMT_S16_LE;
|
|
priv->dspbytesread = 0;
|
|
priv->dsprate = priv->dspspeed * priv->dspsamplesize/8*(priv->dspstereo+1);
|
|
priv->dspframesize = priv->dspspeed*priv->dspsamplesize/8/priv->fps *
|
|
(priv->dspstereo+1);
|
|
|
|
if((priv->dspfd = open (priv->dspdev, O_RDONLY, 0)) < 0)
|
|
{
|
|
perror("dsp open");
|
|
priv->dspready = FALSE;
|
|
}
|
|
|
|
marg = (256 << 16) | 12;
|
|
|
|
if (ioctl(priv->dspfd, SNDCTL_DSP_SETFRAGMENT, &marg ) < 0 )
|
|
{
|
|
perror("setfrag");
|
|
priv->dspready = FALSE;
|
|
}
|
|
|
|
if((priv->dspready == TRUE) &&
|
|
((ioctl(priv->dspfd, SNDCTL_DSP_SAMPLESIZE, &priv->dspsamplesize) == -1) ||
|
|
(ioctl(priv->dspfd, SNDCTL_DSP_STEREO, &priv->dspstereo) == -1) ||
|
|
(ioctl(priv->dspfd, SNDCTL_DSP_SPEED, &priv->dspspeed) == -1) ||
|
|
(ioctl(priv->dspfd, SNDCTL_DSP_SETFMT, &priv->dspfmt) == -1)))
|
|
{
|
|
perror ("configuration of dsp failed");
|
|
close(priv->dspfd);
|
|
priv->dspready = FALSE;
|
|
}
|
|
|
|
return(1);
|
|
}
|
|
|
|
/* that's the real start, we'got the format parameters (checked with control) */
|
|
static int start(priv_t *priv)
|
|
{
|
|
int tmp;
|
|
struct timeval curtime;
|
|
int marg;
|
|
|
|
fprintf(stderr,"START\n");
|
|
if(priv->videoready == FALSE) return(0);
|
|
|
|
signal(SIGUSR1, processframe);
|
|
signal(SIGALRM, processframe);
|
|
|
|
marg = SIGUSR1;
|
|
|
|
if(ioctl(priv->btfd, METEORSSIGNAL, &marg) < 0)
|
|
{
|
|
perror("METEORSSIGNAL failed");
|
|
return(0);
|
|
}
|
|
|
|
read(priv->dspfd, &tmp, 2);
|
|
|
|
gettimeofday(&curtime, NULL);
|
|
|
|
priv->starttime = curtime.tv_sec + (curtime.tv_usec *.000001);
|
|
|
|
marg = METEOR_CAP_CONTINOUS;
|
|
|
|
if(ioctl(priv->btfd, METEORCAPTUR, &marg) < 0)
|
|
{
|
|
perror("METEORCAPTUR failed");
|
|
return(0);
|
|
}
|
|
|
|
return(1);
|
|
}
|
|
|
|
static int uninit(priv_t *priv)
|
|
{
|
|
int marg;
|
|
|
|
if(priv->videoready == FALSE) return(0);
|
|
|
|
marg = METEOR_SIG_MODE_MASK;
|
|
|
|
if(ioctl( priv->btfd, METEORSSIGNAL, &marg) < 0 )
|
|
{
|
|
perror("METEORSSIGNAL");
|
|
return(0);
|
|
}
|
|
|
|
marg = METEOR_CAP_STOP_CONT;
|
|
|
|
if(ioctl(priv->btfd, METEORCAPTUR, &marg) < 0 )
|
|
{
|
|
perror("METEORCAPTUR STOP");
|
|
return(0);
|
|
}
|
|
|
|
close(priv->btfd);
|
|
close(priv->dspfd);
|
|
|
|
priv->dspfd = -1;
|
|
priv->btfd = -1;
|
|
|
|
priv->dspready = priv->videoready = FALSE;
|
|
|
|
return(1);
|
|
}
|
|
|
|
|
|
static double grabimmediate_video_frame(priv_t *priv, char *buffer, int len)
|
|
{
|
|
struct timeval curtime;
|
|
sigset_t sa_mask;
|
|
|
|
if(priv->videoready == FALSE) return(0);
|
|
|
|
alarm(1);
|
|
sigfillset(&sa_mask);
|
|
sigdelset(&sa_mask,SIGINT);
|
|
sigdelset(&sa_mask,SIGUSR1);
|
|
sigdelset(&sa_mask,SIGALRM);
|
|
sigsuspend(&sa_mask);
|
|
alarm(0);
|
|
|
|
memcpy(buffer, priv->livebuf, len);
|
|
|
|
/* PTS = 0, show the frame NOW, this routine is only used in playback mode
|
|
without audio capture .. */
|
|
|
|
return(0);
|
|
}
|
|
|
|
static double grab_video_frame(priv_t *priv, char *buffer, int len)
|
|
{
|
|
struct timeval curtime;
|
|
double timestamp=0;
|
|
sigset_t sa_mask;
|
|
|
|
if(priv->videoready == FALSE) return(0);
|
|
|
|
if(priv->immediatemode == TRUE)
|
|
{
|
|
return grabimmediate_video_frame(priv, buffer, len);
|
|
}
|
|
|
|
while(priv->framebuf[priv->curbufframe].dirty == TRUE)
|
|
{
|
|
alarm(1);
|
|
sigemptyset(&sa_mask);
|
|
sigsuspend(&sa_mask);
|
|
alarm(0);
|
|
}
|
|
|
|
memcpy(buffer, priv->framebuf[priv->curbufframe].buf, len);
|
|
timestamp = priv->framebuf[priv->curbufframe].timestamp;
|
|
priv->framebuf[priv->curbufframe].dirty = TRUE;
|
|
|
|
priv->curbufframe++;
|
|
if(priv->curbufframe >= RINGSIZE) priv->curbufframe = 0;
|
|
|
|
return(timestamp-priv->starttime);
|
|
}
|
|
|
|
static int get_video_framesize(priv_t *priv)
|
|
{
|
|
return(priv->geom.columns*priv->geom.rows*16/8);
|
|
}
|
|
|
|
static double grab_audio_frame(priv_t *priv, char *buffer, int len)
|
|
{
|
|
struct timeval curtime;
|
|
double curpts;
|
|
double timeskew;
|
|
int bytesavail;
|
|
int bytesread;
|
|
int ret;
|
|
|
|
if(priv->dspready == FALSE) return 0;
|
|
|
|
gettimeofday(&curtime, NULL);
|
|
|
|
/* Get exactly one frame of audio, which forces video sync to audio.. */
|
|
|
|
bytesread=read(priv->dspfd, buffer, len);
|
|
|
|
while(bytesread < len)
|
|
{
|
|
ret=read(priv->dspfd, &buffer[bytesread], len-bytesread);
|
|
|
|
if(ret == -1)
|
|
{
|
|
perror("Audio read failed!");
|
|
return 0;
|
|
}
|
|
|
|
bytesread+=ret;
|
|
}
|
|
|
|
priv->dspbytesread += bytesread;
|
|
|
|
curpts = curtime.tv_sec + curtime.tv_usec * .000001;
|
|
|
|
timeskew = priv->dspbytesread * 1.0 / priv->dsprate - (curpts-priv->starttime);
|
|
|
|
if(timeskew > .125/priv->fps)
|
|
{
|
|
priv->starttime -= timeskew;
|
|
}
|
|
else
|
|
{
|
|
if(timeskew < -.125/priv->fps)
|
|
{
|
|
priv->starttime -= timeskew;
|
|
}
|
|
}
|
|
|
|
return(priv->dspbytesread * 1.0 / priv->dsprate);
|
|
}
|
|
|
|
static int get_audio_framesize(priv_t *priv)
|
|
{
|
|
int bytesavail;
|
|
#ifdef __NetBSD__
|
|
struct audio_info auinf;
|
|
#endif
|
|
|
|
if(priv->dspready == FALSE) return 0;
|
|
|
|
#ifdef __NetBSD__
|
|
if(ioctl(priv->dspfd, AUDIO_GETINFO, &auinf) < 0)
|
|
{
|
|
perror("AUDIO_GETINFO");
|
|
return(TVI_CONTROL_FALSE);
|
|
}
|
|
else
|
|
bytesavail = auinf.record.seek; /* *priv->dspsamplesize; */
|
|
#else
|
|
if(ioctl(priv->dspfd, FIONREAD, &bytesavail) < 0)
|
|
{
|
|
perror("FIONREAD");
|
|
return(TVI_CONTROL_FALSE);
|
|
}
|
|
#endif
|
|
|
|
/* When mencoder wants audio data, it wants data..
|
|
it won't go do anything else until it gets it :( */
|
|
|
|
if(bytesavail == 0) return FRAGSIZE;
|
|
|
|
return(bytesavail);
|
|
}
|
|
|
|
static int getinput(int innumber)
|
|
{
|
|
switch(innumber)
|
|
{
|
|
case 0: return METEOR_INPUT_DEV0; /* RCA */
|
|
case 1: return METEOR_INPUT_DEV1; /* Tuner */
|
|
case 2: return METEOR_INPUT_DEV2; /* In 1 */
|
|
case 3: return METEOR_INPUT_DEV3; /* In 2 */
|
|
case 4: return METEOR_INPUT_DEV_RGB; /* RGB */
|
|
case 5: return METEOR_INPUT_DEV_SVIDEO; /* SVid */
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif /* USE_TV */
|