mirror of https://github.com/mpv-player/mpv
892 lines
21 KiB
C
892 lines
21 KiB
C
/*
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(C)2002 Charles R. Henrich (henrich@msu.edu)
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*BSD (hopefully, requires working driver!) BrookTree capture support.
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Still in (active) development!
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v1.1 Mar 13 2002 Fully functional, need to move ring buffer to
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the kernel driver.
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v1.0 Feb 19 2002 First Release, need to add support for changing
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audio parameters.
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*/
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#include "config.h"
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#define RINGSIZE 8
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#define FRAGSIZE 4096 /* (2^12 see SETFRAGSIZE below) */
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#define TRUE (1==1)
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#define FALSE (1==0)
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#define PAL_WIDTH 768
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#define PAL_HEIGHT 576
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#define PAL_FPS 25
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#define NTSC_WIDTH 640
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#define NTSC_HEIGHT 480
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#define NTSC_FPS 29.97
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <sys/filio.h>
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#include <sys/time.h>
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#include <signal.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/param.h>
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#ifdef CONFIG_SUN_AUDIO
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#include <sys/audioio.h>
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#endif
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#ifdef IOCTL_METEOR_H_NAME
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#include IOCTL_METEOR_H_NAME
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#endif
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#ifdef IOCTL_BT848_H_NAME
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#include IOCTL_BT848_H_NAME
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#endif
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#ifdef HAVE_SYS_SOUNDCARD_H
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#include <sys/soundcard.h>
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#else
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#ifdef HAVE_SOUNDCARD_H
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#include <soundcard.h>
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#else
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#include <machine/soundcard.h>
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#endif
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#endif
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#include "libaf/af_format.h"
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#include "libmpcodecs/img_format.h"
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#include "tv.h"
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#include "help_mp.h"
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#include "mp_msg.h"
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static tvi_handle_t *tvi_init_bsdbt848(tv_param_t* tv_param);
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/* information about this file */
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const tvi_info_t tvi_info_bsdbt848 = {
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tvi_init_bsdbt848,
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"Brooktree848 Support",
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"bsdbt848",
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"Charles Henrich",
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"in development"
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};
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typedef struct {
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int dirty;
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double timestamp;
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char *buf;
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} RBFRAME;
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/* private data's */
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typedef struct {
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/* Audio */
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char *dspdev;
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int dspready;
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int dspfd;
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int dspsamplesize;
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int dspstereo;
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int dspspeed;
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int dspfmt;
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int dspframesize;
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int dsprate;
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long long dspbytesread;
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/* Video */
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char *btdev;
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int videoready;
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int btfd;
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int source;
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float maxfps;
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float fps;
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int iformat;
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int maxheight;
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int maxwidth;
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struct meteor_geomet geom;
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struct meteor_capframe capframe;
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/* Frame Buffer */
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int framebufsize;
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float timestamp;
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int curpaintframe;
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int curbufframe;
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unsigned char *livebuf;
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RBFRAME framebuf[RINGSIZE];
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/* Inputs */
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int input;
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/* Tuner */
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char *tunerdev;
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int tunerfd;
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int tunerready;
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u_long tunerfreq;
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struct bktr_chnlset cset;
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/* Other */
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int immediatemode;
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double starttime;
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tv_param_t *tv_param;
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} priv_t;
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#include "tvi_def.h"
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static priv_t *G_private=NULL;
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static int getinput(int innumber);
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static void processframe(int signal)
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{
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struct timeval curtime;
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if(G_private->immediatemode == TRUE) return;
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gettimeofday(&curtime, NULL);
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if(G_private->framebuf[G_private->curpaintframe].dirty == TRUE)
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{
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memcpy(G_private->framebuf[G_private->curpaintframe].buf,
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G_private->livebuf, G_private->framebufsize);
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G_private->framebuf[G_private->curpaintframe].dirty = FALSE;
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G_private->framebuf[G_private->curpaintframe].timestamp =
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curtime.tv_sec + curtime.tv_usec*.000001;
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G_private->curpaintframe++;
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if(G_private->curpaintframe >= RINGSIZE) G_private->curpaintframe = 0;
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}
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return;
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}
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/* handler creator - entry point ! */
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static tvi_handle_t *tvi_init_bsdbt848(tv_param_t* tv_param)
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{
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char* sep ;
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tvi_handle_t* tvh;
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priv_t* priv;
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tvh=new_handle();
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if(!tvh)
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return NULL;
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priv=(priv_t*)tvh->priv;
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/*
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if user needs to specify both /dev/bktr<n> and /dev/tuner<n>
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it can do this with "-tv device=/dev/bktr1,/dev/tuner1"
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*/
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/* set video device name */
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if (!tv_param->device){
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priv->btdev = strdup("/dev/bktr0");
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priv->tunerdev = strdup("/dev/tuner0");
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}else{
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sep = strchr(tv_param->device,',');
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priv->btdev = strdup(tv_param->device);
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if(sep){
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// tuner device is also passed
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priv->tunerdev = strdup(sep+1);
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priv->btdev[sep - tv_param->device] = 0;
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}else{
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priv->tunerdev = strdup("/dev/tuner0");
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}
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}
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/* set audio device name */
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if (!tv_param->adevice)
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#ifdef CONFIG_SUN_AUDIO
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priv->dspdev = strdup("/dev/sound");
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#else
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priv->dspdev = strdup("/dev/dsp");
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#endif
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else
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priv->dspdev = strdup(tv_param->adevice);
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priv->tv_param=tv_param;
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return tvh;
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}
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static int control(priv_t *priv, int cmd, void *arg)
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{
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switch(cmd)
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{
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/* Tuner Controls */
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case TVI_CONTROL_IS_TUNER:
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if(priv->tunerready == FALSE) return TVI_CONTROL_FALSE;
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return TVI_CONTROL_TRUE;
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case TVI_CONTROL_TUN_GET_FREQ:
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{
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if(ioctl(priv->tunerfd, TVTUNER_GETFREQ, &priv->tunerfreq) < 0)
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{
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mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "TVTUNER_GETFREQ", strerror(errno));
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return TVI_CONTROL_FALSE;
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}
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*(int *)arg = priv->tunerfreq;
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return TVI_CONTROL_TRUE;
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}
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case TVI_CONTROL_TUN_SET_FREQ:
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{
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priv->tunerfreq = *(int *)arg;
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if(ioctl(priv->tunerfd, TVTUNER_SETFREQ, &priv->tunerfreq) < 0)
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{
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mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "TVTUNER_SETFREQ", strerror(errno));
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return 0;
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}
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return TVI_CONTROL_TRUE;
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}
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case TVI_CONTROL_TUN_GET_SIGNAL:
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{
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int status;
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if(ioctl(priv->tunerfd, TVTUNER_GETSTATUS, &status) < 0)
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{
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mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "GETSTATUS", strerror(errno));
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return 0;
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}
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*(int*)arg=(status & 0x02)? 100 : 0;
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return TVI_CONTROL_TRUE;
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}
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case TVI_CONTROL_TUN_GET_TUNER:
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case TVI_CONTROL_TUN_SET_TUNER:
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/* Inputs */
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case TVI_CONTROL_SPC_GET_INPUT:
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{
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if(ioctl(priv->btfd, METEORGINPUT, &priv->input) < 0)
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{
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mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "METEORGINPUT", strerror(errno));
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return TVI_CONTROL_FALSE;
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}
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*(int *)arg = priv->input;
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return TVI_CONTROL_TRUE;
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}
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case TVI_CONTROL_SPC_SET_INPUT:
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{
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priv->input = getinput(*(int *)arg);
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if(ioctl(priv->btfd, METEORSINPUT, &priv->input) < 0)
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{
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mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "METEORSINPUT", strerror(errno));
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return 0;
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}
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return TVI_CONTROL_TRUE;
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}
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/* Audio Controls */
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case TVI_CONTROL_IS_AUDIO:
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if(priv->dspready == FALSE) return TVI_CONTROL_FALSE;
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return TVI_CONTROL_TRUE;
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case TVI_CONTROL_AUD_GET_FORMAT:
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{
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*(int *)arg = AF_FORMAT_S16_LE;
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return TVI_CONTROL_TRUE;
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}
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case TVI_CONTROL_AUD_GET_CHANNELS:
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{
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*(int *)arg = 2;
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return TVI_CONTROL_TRUE;
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}
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case TVI_CONTROL_AUD_SET_SAMPLERATE:
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{
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int dspspeed = *(int *)arg;
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if(ioctl(priv->dspfd, SNDCTL_DSP_SPEED, &dspspeed) == -1)
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{
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mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848InvalidAudioRate, strerror(errno));
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return TVI_CONTROL_FALSE;
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}
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priv->dspspeed = dspspeed;
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priv->dspframesize = priv->dspspeed*priv->dspsamplesize/8/
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priv->fps * (priv->dspstereo+1);
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priv->dsprate = priv->dspspeed * priv->dspsamplesize/8*
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(priv->dspstereo+1);
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return TVI_CONTROL_TRUE;
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}
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case TVI_CONTROL_AUD_GET_SAMPLERATE:
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{
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*(int *)arg = priv->dspspeed;
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return TVI_CONTROL_TRUE;
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}
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case TVI_CONTROL_AUD_GET_SAMPLESIZE:
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{
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*(int *)arg = priv->dspsamplesize/8;
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return TVI_CONTROL_TRUE;
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}
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/* Video Controls */
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case TVI_CONTROL_IS_VIDEO:
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if(priv->videoready == FALSE) return TVI_CONTROL_FALSE;
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return TVI_CONTROL_TRUE;
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case TVI_CONTROL_TUN_SET_NORM:
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{
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int req_mode = *(int *)arg;
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u_short tmp_fps;
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priv->iformat = METEOR_FMT_AUTOMODE;
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if(req_mode == TV_NORM_PAL)
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{
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priv->iformat = METEOR_FMT_PAL;
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priv->maxheight = PAL_HEIGHT;
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priv->maxwidth = PAL_WIDTH;
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priv->maxfps = PAL_FPS;
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priv->fps = PAL_FPS;
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if(priv->fps > priv->maxfps) priv->fps = priv->maxfps;
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if(priv->geom.rows > priv->maxheight)
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{
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priv->geom.rows = priv->maxheight;
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}
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if(priv->geom.columns > priv->maxwidth)
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{
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priv->geom.columns = priv->maxwidth;
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}
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}
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if(req_mode == TV_NORM_NTSC)
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{
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priv->iformat = METEOR_FMT_NTSC;
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priv->maxheight = NTSC_HEIGHT;
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priv->maxwidth = NTSC_WIDTH;
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priv->maxfps = NTSC_FPS;
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priv->fps = NTSC_FPS;
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priv->dspframesize = priv->dspspeed*priv->dspsamplesize/8/
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priv->fps * (priv->dspstereo+1);
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priv->dsprate = priv->dspspeed * priv->dspsamplesize/8 *
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(priv->dspstereo+1);
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if(priv->fps > priv->maxfps) priv->fps = priv->maxfps;
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if(priv->geom.rows > priv->maxheight)
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{
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priv->geom.rows = priv->maxheight;
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}
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if(priv->geom.columns > priv->maxwidth)
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{
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priv->geom.columns = priv->maxwidth;
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}
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}
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if(req_mode == TV_NORM_SECAM) priv->iformat = METEOR_FMT_SECAM;
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if(ioctl(priv->btfd, METEORSFMT, &priv->iformat) < 0)
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{
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mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "METEORSFMT", strerror(errno));
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return TVI_CONTROL_FALSE;
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}
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if(ioctl(priv->btfd, METEORSETGEO, &priv->geom) < 0)
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{
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mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "METEORSETGEO", strerror(errno));
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return 0;
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}
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tmp_fps = priv->fps;
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if(ioctl(priv->btfd, METEORSFPS, &tmp_fps) < 0)
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{
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mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "METEORSFPS", strerror(errno));
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return 0;
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}
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#ifdef BT848_SAUDIO
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if(priv->tunerready == TRUE &&
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ioctl(priv->tunerfd, BT848_SAUDIO, &priv->tv_param->audio_id) < 0)
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{
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mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "BT848_SAUDIO", strerror(errno));
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}
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#endif
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return TVI_CONTROL_TRUE;
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}
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case TVI_CONTROL_VID_GET_FORMAT:
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*(int *)arg = IMGFMT_UYVY;
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return TVI_CONTROL_TRUE;
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case TVI_CONTROL_VID_SET_FORMAT:
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{
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int req_fmt = *(int *)arg;
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if(req_fmt != IMGFMT_UYVY) return TVI_CONTROL_FALSE;
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return TVI_CONTROL_TRUE;
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}
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case TVI_CONTROL_VID_SET_WIDTH:
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priv->geom.columns = *(int *)arg;
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if(priv->geom.columns > priv->maxwidth)
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{
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priv->geom.columns = priv->maxwidth;
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}
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if(ioctl(priv->btfd, METEORSETGEO, &priv->geom) < 0)
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{
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mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848ErrorSettingWidth, strerror(errno));
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return 0;
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}
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return TVI_CONTROL_TRUE;
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case TVI_CONTROL_VID_GET_WIDTH:
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*(int *)arg = priv->geom.columns;
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return TVI_CONTROL_TRUE;
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case TVI_CONTROL_VID_SET_HEIGHT:
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priv->geom.rows = *(int *)arg;
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if(priv->geom.rows > priv->maxheight)
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{
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priv->geom.rows = priv->maxheight;
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}
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if(priv->geom.rows <= priv->maxheight / 2)
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{
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priv->geom.oformat |= METEOR_GEO_EVEN_ONLY;
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}
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if(ioctl(priv->btfd, METEORSETGEO, &priv->geom) < 0)
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{
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mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848ErrorSettingWidth, strerror(errno));
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return 0;
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}
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return TVI_CONTROL_TRUE;
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case TVI_CONTROL_VID_GET_HEIGHT:
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*(int *)arg = priv->geom.rows;
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return TVI_CONTROL_TRUE;
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case TVI_CONTROL_VID_GET_FPS:
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*(float *)arg = priv->fps;
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return TVI_CONTROL_TRUE;
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/*
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case TVI_CONTROL_VID_SET_FPS:
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priv->fps = *(int *)arg;
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if(priv->fps > priv->maxfps) priv->fps = priv->maxfps;
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if(ioctl(priv->btfd, METEORSFPS, &priv->fps) < 0)
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{
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mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "METEORSFPS", strerror(errno));
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return 0;
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}
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return TVI_CONTROL_TRUE;
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*/
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case TVI_CONTROL_VID_CHK_WIDTH:
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case TVI_CONTROL_VID_CHK_HEIGHT:
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return TVI_CONTROL_TRUE;
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case TVI_CONTROL_IMMEDIATE:
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priv->immediatemode = TRUE;
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return TVI_CONTROL_TRUE;
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}
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return TVI_CONTROL_UNKNOWN;
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}
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static int init(priv_t *priv)
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{
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int marg;
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int count;
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u_short tmp_fps;
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G_private = priv; /* Oooh, sick */
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/* Video Configuration */
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priv->videoready = TRUE;
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priv->immediatemode = FALSE;
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priv->iformat = METEOR_FMT_PAL;
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priv->maxheight = PAL_HEIGHT;
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priv->maxwidth = PAL_WIDTH;
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priv->maxfps = PAL_FPS;
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priv->source = METEOR_INPUT_DEV0;
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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)
|
|
{
|
|
mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848ErrorOpeningBktrDev, strerror(errno));
|
|
priv->videoready = FALSE;
|
|
}
|
|
|
|
if(priv->videoready == TRUE &&
|
|
ioctl(priv->btfd, METEORSFMT, &priv->iformat) < 0)
|
|
{
|
|
mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "SETEORSFMT", strerror(errno));
|
|
}
|
|
|
|
if(priv->videoready == TRUE &&
|
|
ioctl(priv->btfd, METEORSINPUT, &priv->source) < 0)
|
|
{
|
|
mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "METEORSINPUT", strerror(errno));
|
|
}
|
|
|
|
tmp_fps = priv->fps;
|
|
if(priv->videoready == TRUE &&
|
|
ioctl(priv->btfd, METEORSFPS, &tmp_fps) < 0)
|
|
{
|
|
mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "METEORSFPS", strerror(errno));
|
|
}
|
|
|
|
if(priv->videoready == TRUE &&
|
|
ioctl(priv->btfd, METEORSETGEO, &priv->geom) < 0)
|
|
{
|
|
mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "METEORSGEQ", strerror(errno));
|
|
}
|
|
|
|
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)
|
|
{
|
|
mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848MmapFailed, strerror(errno));
|
|
priv->videoready = FALSE;
|
|
}
|
|
|
|
for(count=0;count<RINGSIZE;count++)
|
|
{
|
|
priv->framebuf[count].buf = malloc(priv->framebufsize);
|
|
|
|
if(priv->framebuf[count].buf == NULL)
|
|
{
|
|
mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848FrameBufAllocFailed, strerror(errno));
|
|
priv->videoready = FALSE;
|
|
break;
|
|
}
|
|
|
|
priv->framebuf[count].dirty = TRUE;
|
|
priv->framebuf[count].timestamp = 0;
|
|
}
|
|
}
|
|
|
|
/* Tuner Configuration */
|
|
|
|
priv->tunerready = TRUE;
|
|
|
|
priv->tunerfd = open(priv->tunerdev, O_RDONLY);
|
|
|
|
if(priv->tunerfd < 0)
|
|
{
|
|
mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848ErrorOpeningTunerDev, strerror(errno));
|
|
priv->tunerready = FALSE;
|
|
}
|
|
|
|
/* Audio Configuration */
|
|
|
|
priv->dspready = TRUE;
|
|
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)
|
|
{
|
|
mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848ErrorOpeningDspDev, strerror(errno));
|
|
priv->dspready = FALSE;
|
|
}
|
|
|
|
marg = (256 << 16) | 12;
|
|
|
|
if (ioctl(priv->dspfd, SNDCTL_DSP_SETFRAGMENT, &marg ) < 0 )
|
|
{
|
|
mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "SNDCTL_DSP_SETFRAGMENT", strerror(errno));
|
|
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)))
|
|
{
|
|
mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848ErrorConfiguringDsp, strerror(errno));
|
|
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)
|
|
{
|
|
mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "METEORSSIGNAL", strerror(errno));
|
|
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)
|
|
{
|
|
mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "METEORCAPTUR", strerror(errno));
|
|
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 )
|
|
{
|
|
mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "METEORSSIGNAL", strerror(errno));
|
|
return 0;
|
|
}
|
|
|
|
marg = METEOR_CAP_STOP_CONT;
|
|
|
|
if(ioctl(priv->btfd, METEORCAPTUR, &marg) < 0 )
|
|
{
|
|
mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848UnableToStopCapture, strerror(errno));
|
|
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)
|
|
{
|
|
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)
|
|
{
|
|
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 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)
|
|
{
|
|
mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848ErrorReadingAudio, strerror(errno));
|
|
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 CONFIG_SUN_AUDIO
|
|
struct audio_info auinf;
|
|
#endif
|
|
|
|
if(priv->dspready == FALSE) return 0;
|
|
|
|
#ifdef CONFIG_SUN_AUDIO
|
|
if(ioctl(priv->dspfd, AUDIO_GETINFO, &auinf) < 0)
|
|
{
|
|
mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "AUDIO_GETINFO", strerror(errno));
|
|
return TVI_CONTROL_FALSE;
|
|
}
|
|
else
|
|
bytesavail = auinf.record.seek; /* *priv->dspsamplesize; */
|
|
#else
|
|
if(ioctl(priv->dspfd, FIONREAD, &bytesavail) < 0)
|
|
{
|
|
mp_tmsg(MSGT_TV, MSGL_ERR, MSGTR_TV_Bt848IoctlFailed, "FIONREAD", strerror(errno));
|
|
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;
|
|
}
|