introduce new 'stream' directory for all stream layer related components and split them from libmpdemux

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19277 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 919 insertions, 0 deletions

diff --git a/stream/tv.c b/stream/tv.c
new file mode 100644
index 0000000000..74ac7e39fc
--- /dev/null
+++ b/stream/tv.c
@@ -0,0 +1,919 @@
+/*
+ TV Interface for MPlayer
+ 
+ (C) Alex Beregszaszi
+ 
+ API idea based on libvo2
+
+ Feb 19, 2002: Significant rewrites by Charles R. Henrich (henrich@msu.edu)
+				to add support for audio, and bktr *BSD support.
+
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <ctype.h>
+#include <sys/time.h>
+
+#include "config.h"
+
+int tv_param_on = 0;
+
+#include "mp_msg.h"
+#include "help_mp.h"
+
+#include "stream.h"
+#include "demuxer.h"
+#include "stheader.h"
+
+#include "libaf/af_format.h"
+#include "libvo/img_format.h"
+#include "libvo/fastmemcpy.h"
+
+#include "tv.h"
+
+#include "frequencies.h"
+
+/* some default values */
+int tv_param_audiorate = 44100;
+int tv_param_noaudio = 0;
+int tv_param_immediate = 0;
+char *tv_param_freq = NULL;
+char *tv_param_channel = NULL;
+char *tv_param_norm = "pal";
+#ifdef HAVE_TV_V4L2
+int tv_param_normid = -1;
+#endif
+char *tv_param_chanlist = "europe-east";
+char *tv_param_device = NULL;
+char *tv_param_driver = "dummy";
+int tv_param_width = -1;
+int tv_param_height = -1;
+int tv_param_input = 0; /* used in v4l and bttv */
+int tv_param_outfmt = -1;
+float tv_param_fps = -1.0;
+char **tv_param_channels = NULL;
+int tv_param_audio_id = 0;
+#if defined(HAVE_TV_V4L)
+int tv_param_amode = -1;
+int tv_param_volume = -1;
+int tv_param_bass = -1;
+int tv_param_treble = -1;
+int tv_param_balance = -1;
+int tv_param_forcechan = -1;
+int tv_param_force_audio = 0;
+int tv_param_buffer_size = -1;
+int tv_param_mjpeg = 0;
+int tv_param_decimation = 2;
+int tv_param_quality = 90;
+#if defined(HAVE_ALSA9) || defined(HAVE_ALSA1X)
+int tv_param_alsa = 0;
+#endif
+char* tv_param_adevice = NULL;
+#endif
+int tv_param_brightness = 0;
+int tv_param_contrast = 0;
+int tv_param_hue = 0;
+int tv_param_saturation = 0;
+tv_channels_t *tv_channel_list;
+tv_channels_t *tv_channel_current, *tv_channel_last;
+char *tv_channel_last_real;
+
+/* ================== DEMUX_TV ===================== */
+/*
+  Return value:
+    0 = EOF(?) or no stream
+    1 = successfully read a packet
+*/
+/* fill demux->video and demux->audio */
+
+static int demux_tv_fill_buffer(demuxer_t *demux, demux_stream_t *ds)
+{
+    tvi_handle_t *tvh=(tvi_handle_t*)(demux->priv);
+    demux_packet_t* dp;
+    unsigned int len=0;
+
+    /* ================== ADD AUDIO PACKET =================== */
+
+    if (ds==demux->audio && tv_param_noaudio == 0 && 
+        tvh->functions->control(tvh->priv, 
+                                TVI_CONTROL_IS_AUDIO, 0) == TVI_CONTROL_TRUE)
+        {
+        len = tvh->functions->get_audio_framesize(tvh->priv);
+
+        dp=new_demux_packet(len);
+        dp->flags|=1; /* Keyframe */
+        dp->pts=tvh->functions->grab_audio_frame(tvh->priv, dp->buffer,len);
+        ds_add_packet(demux->audio,dp);
+        }
+
+    /* ================== ADD VIDEO PACKET =================== */
+
+    if (ds==demux->video && tvh->functions->control(tvh->priv, 
+                            TVI_CONTROL_IS_VIDEO, 0) == TVI_CONTROL_TRUE)
+        {
+		len = tvh->functions->get_video_framesize(tvh->priv);
+       	dp=new_demux_packet(len);
+		dp->flags|=1; /* Keyframe */
+  		dp->pts=tvh->functions->grab_video_frame(tvh->priv, dp->buffer, len);
+   		ds_add_packet(demux->video,dp);
+	 }
+
+    return 1;
+}
+
+static int norm_from_string(tvi_handle_t *tvh, char* norm)
+{
+#ifdef HAVE_TV_V4L2
+    if (strcmp(tv_param_driver, "v4l2") != 0) {
+#endif
+    if (!strcasecmp(norm, "pal"))
+	return TV_NORM_PAL;
+    else if (!strcasecmp(norm, "ntsc"))
+	return TV_NORM_NTSC;
+    else if (!strcasecmp(norm, "secam"))
+	return TV_NORM_SECAM;
+    else if (!strcasecmp(norm, "palnc"))
+	return TV_NORM_PALNC;
+    else if (!strcasecmp(norm, "palm"))
+	return TV_NORM_PALM;
+    else if (!strcasecmp(norm, "paln"))
+	return TV_NORM_PALN;
+    else if (!strcasecmp(norm, "ntscjp"))
+	return TV_NORM_NTSCJP;
+    else {
+	mp_msg(MSGT_TV, MSGL_V, "tv.c: norm_from_string(%s): Bogus norm parameter, setting PAL.\n", norm);
+	return TV_NORM_PAL;
+    }
+#ifdef HAVE_TV_V4L2
+    } else {
+	tvi_functions_t *funcs = tvh->functions;
+	char str[8];
+	strncpy(str, norm, sizeof(str)-1);
+	str[sizeof(str)-1] = '\0';
+        if (funcs->control(tvh->priv, TVI_CONTROL_SPC_GET_NORMID, str) != TVI_CONTROL_TRUE)
+	    return 0;
+	return *(int *)str;
+    }
+#endif
+}
+
+static int open_tv(tvi_handle_t *tvh)
+{
+    int i;
+    tvi_functions_t *funcs = tvh->functions;
+    int tv_fmt_list[] = {
+      IMGFMT_YV12,
+      IMGFMT_I420,
+      IMGFMT_UYVY,
+      IMGFMT_YUY2,
+      IMGFMT_RGB32,
+      IMGFMT_RGB24,
+      IMGFMT_RGB16,
+      IMGFMT_RGB15
+    };
+
+    if (funcs->control(tvh->priv, TVI_CONTROL_IS_VIDEO, 0) != TVI_CONTROL_TRUE)
+    {
+	mp_msg(MSGT_TV, MSGL_ERR, "Error: No video input present!\n");
+	return 0;
+    }
+
+    if (tv_param_outfmt == -1)
+      for (i = 0; i < sizeof (tv_fmt_list) / sizeof (*tv_fmt_list); i++)
+        {
+          tv_param_outfmt = tv_fmt_list[i];
+          if (funcs->control (tvh->priv, TVI_CONTROL_VID_SET_FORMAT,
+                              &tv_param_outfmt) == TVI_CONTROL_TRUE)
+            break;
+        }
+    else
+    {
+    switch(tv_param_outfmt)
+    {
+	case IMGFMT_YV12:
+	case IMGFMT_I420:
+	case IMGFMT_UYVY:
+	case IMGFMT_YUY2:
+	case IMGFMT_RGB32:
+	case IMGFMT_RGB24:
+	case IMGFMT_BGR32:
+	case IMGFMT_BGR24:
+	case IMGFMT_BGR16:
+	case IMGFMT_BGR15:
+	    break;
+	default:
+	    mp_msg(MSGT_TV, MSGL_ERR, "==================================================================\n");
+	    mp_msg(MSGT_TV, MSGL_ERR, " WARNING: UNTESTED OR UNKNOWN OUTPUT IMAGE FORMAT REQUESTED (0x%x)\n", tv_param_outfmt);
+	    mp_msg(MSGT_TV, MSGL_ERR, " This may cause buggy playback or program crash! Bug reports will\n");
+	    mp_msg(MSGT_TV, MSGL_ERR, " be ignored! You should try again with YV12 (which is the default\n");
+	    mp_msg(MSGT_TV, MSGL_ERR, " colorspace) and read the documentation!\n");
+	    mp_msg(MSGT_TV, MSGL_ERR, "==================================================================\n");
+    }
+    funcs->control(tvh->priv, TVI_CONTROL_VID_SET_FORMAT, &tv_param_outfmt);
+    }
+
+    /* set some params got from cmdline */
+    funcs->control(tvh->priv, TVI_CONTROL_SPC_SET_INPUT, &tv_param_input);
+
+#ifdef HAVE_TV_V4L2
+    if (!strcmp(tv_param_driver, "v4l2") && tv_param_normid >= 0) {
+	mp_msg(MSGT_TV, MSGL_V, "Selected norm id: %d\n", tv_param_normid);
+	if (funcs->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tv_param_normid) != TVI_CONTROL_TRUE) {
+	    mp_msg(MSGT_TV, MSGL_ERR, "Error: Cannot set norm!\n");
+	}
+    } else {
+#endif
+    /* select video norm */
+    tvh->norm = norm_from_string(tvh, tv_param_norm);
+
+    mp_msg(MSGT_TV, MSGL_V, "Selected norm: %s\n", tv_param_norm);
+    if (funcs->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tvh->norm) != TVI_CONTROL_TRUE) {
+	mp_msg(MSGT_TV, MSGL_ERR, "Error: Cannot set norm!\n");
+    }
+#ifdef HAVE_TV_V4L2
+    }
+#endif
+
+#ifdef HAVE_TV_V4L1
+    if ( tv_param_mjpeg )
+    {
+      /* set width to expected value */
+      if (tv_param_width == -1)
+        {
+          tv_param_width = 704/tv_param_decimation;
+        }
+      if (tv_param_height == -1)
+        {
+	  if ( tvh->norm != TV_NORM_NTSC )
+            tv_param_height = 576/tv_param_decimation; 
+	  else
+            tv_param_height = 480/tv_param_decimation; 
+        }
+      mp_msg(MSGT_TV, MSGL_INFO, 
+	       "  MJP: width %d height %d\n", tv_param_width, tv_param_height);
+    }
+#endif
+
+    /* limits on w&h are norm-dependent -- JM */
+    /* set width */
+    if (tv_param_width != -1)
+    {
+	if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_WIDTH, &tv_param_width) == TVI_CONTROL_TRUE)
+	    funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH, &tv_param_width);
+	else
+	{
+	    mp_msg(MSGT_TV, MSGL_ERR, "Unable to set requested width: %d\n", tv_param_width);
+	    funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &tv_param_width);
+	}    
+    }
+
+    /* set height */
+    if (tv_param_height != -1)
+    {
+	if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_HEIGHT, &tv_param_height) == TVI_CONTROL_TRUE)
+	    funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HEIGHT, &tv_param_height);
+	else
+	{
+	    mp_msg(MSGT_TV, MSGL_ERR, "Unable to set requested height: %d\n", tv_param_height);
+	    funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &tv_param_height);
+	}    
+    }
+
+    if (funcs->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE)
+    {
+	mp_msg(MSGT_TV, MSGL_WARN, "Selected input hasn't got a tuner!\n");	
+	goto done;
+    }
+
+    /* select channel list */
+    for (i = 0; chanlists[i].name != NULL; i++)
+    {
+	if (!strcasecmp(chanlists[i].name, tv_param_chanlist))
+	{
+	    tvh->chanlist = i;
+	    tvh->chanlist_s = chanlists[i].list;
+	    break;
+	}
+    }
+
+    if (tvh->chanlist == -1)
+	mp_msg(MSGT_TV, MSGL_WARN, "Unable to find selected channel list! (%s)\n",
+	    tv_param_chanlist);
+    else
+	mp_msg(MSGT_TV, MSGL_V, "Selected channel list: %s (including %d channels)\n",
+	    chanlists[tvh->chanlist].name, chanlists[tvh->chanlist].count);
+
+    if (tv_param_freq && tv_param_channel)
+    {
+	mp_msg(MSGT_TV, MSGL_WARN, "You can't set frequency and channel simultaneously!\n");
+	goto done;
+    }
+
+    /* Handle channel names */
+    if (tv_param_channels) {
+	char** channels = tv_param_channels;
+	mp_msg(MSGT_TV, MSGL_INFO, "TV channel names detected.\n");
+	tv_channel_list = malloc(sizeof(tv_channels_t));
+	tv_channel_list->index=1;
+	tv_channel_list->next=NULL;
+	tv_channel_list->prev=NULL;
+	tv_channel_current = tv_channel_list;
+
+	while (*channels) {
+		char* tmp = *(channels++);
+		char* sep = strchr(tmp,'-');
+		int i;
+		struct CHANLIST cl;
+
+		if (!sep) continue; // Wrong syntax, but mplayer should not crash
+
+		strlcpy(tv_channel_current->name, sep + 1,
+		        sizeof(tv_channel_current->name));
+		sep[0] = '\0';
+		strncpy(tv_channel_current->number, tmp, 5);
+
+		while ((sep=strchr(tv_channel_current->name, '_')))
+		    sep[0] = ' ';
+
+		tv_channel_current->freq = 0;
+		for (i = 0; i < chanlists[tvh->chanlist].count; i++) {
+		    cl = tvh->chanlist_s[i];
+		    if (!strcasecmp(cl.name, tv_channel_current->number)) {
+			tv_channel_current->freq=cl.freq;
+			break;
+		    }
+		}
+	        if (tv_channel_current->freq == 0)
+		    mp_msg(MSGT_TV, MSGL_ERR, "Couldn't find frequency for channel %s (%s)\n",
+				    tv_channel_current->number, tv_channel_current->name);
+		else {
+		  sep = strchr(tv_channel_current->name, '-');
+		  if ( !sep ) sep = strchr(tv_channel_current->name, '+');
+
+		  if ( sep ) {
+		    i = atoi (sep+1);
+		    if ( sep[0] == '+' ) tv_channel_current->freq += i * 100;
+		    if ( sep[0] == '-' ) tv_channel_current->freq -= i * 100;
+		    sep[0] = '\0';
+		  }
+		}
+
+		/*mp_msg(MSGT_TV, MSGL_INFO, "-- Detected channel %s - %s (%5.3f)\n",
+				tv_channel_current->number, tv_channel_current->name,
+				(float)tv_channel_current->freq/1000);*/
+
+		tv_channel_current->next = malloc(sizeof(tv_channels_t));
+		tv_channel_current->next->index = tv_channel_current->index + 1;
+		tv_channel_current->next->prev = tv_channel_current;
+		tv_channel_current->next->next = NULL;
+		tv_channel_current = tv_channel_current->next;
+	}
+	if (tv_channel_current->prev)
+  	  tv_channel_current->prev->next = NULL;
+	free(tv_channel_current);
+    } else 
+	    tv_channel_last_real = malloc(5);
+
+    if (tv_channel_list) {
+	int i;
+	int channel = 0;
+	if (tv_param_channel)
+	 {
+	   if (isdigit(*tv_param_channel))
+		/* if tv_param_channel begins with a digit interpret it as a number */
+		channel = atoi(tv_param_channel);
+	   else
+	      {
+		/* if tv_param_channel does not begin with a digit 
+		   set the first channel that contains tv_param_channel in its name */
+
+		tv_channel_current = tv_channel_list;
+		while ( tv_channel_current ) {
+			if ( strstr(tv_channel_current->name, tv_param_channel) )
+			  break;
+			tv_channel_current = tv_channel_current->next;
+			}
+		if ( !tv_channel_current ) tv_channel_current = tv_channel_list;
+	      }
+	 }
+	else
+		channel = 1;
+
+	if ( channel ) {
+	tv_channel_current = tv_channel_list;
+	for (i = 1; i < channel; i++)
+		if (tv_channel_current->next)
+			tv_channel_current = tv_channel_current->next;
+	}
+
+	mp_msg(MSGT_TV, MSGL_INFO, "Selected channel: %s - %s (freq: %.3f)\n", tv_channel_current->number,
+			tv_channel_current->name, (float)tv_channel_current->freq/1000);
+	tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
+	tv_channel_last = tv_channel_current;
+    } else {
+    /* we need to set frequency */
+    if (tv_param_freq)
+    {
+	unsigned long freq = atof(tv_param_freq)*16;
+
+        /* set freq in MHz */
+	funcs->control(tvh->priv, TVI_CONTROL_TUN_SET_FREQ, &freq);
+
+	funcs->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, &freq);
+	mp_msg(MSGT_TV, MSGL_V, "Selected frequency: %lu (%.3f)\n",
+	    freq, (float)freq/16);
+    }
+
+	    if (tv_param_channel) {
+	struct CHANLIST cl;
+
+	mp_msg(MSGT_TV, MSGL_V, "Requested channel: %s\n", tv_param_channel);
+	for (i = 0; i < chanlists[tvh->chanlist].count; i++)
+	{
+	    cl = tvh->chanlist_s[i];
+		    //  printf("count%d: name: %s, freq: %d\n",
+		    //	i, cl.name, cl.freq);
+	    if (!strcasecmp(cl.name, tv_param_channel))
+	    {
+			strcpy(tv_channel_last_real, cl.name);
+		tvh->channel = i;
+		mp_msg(MSGT_TV, MSGL_INFO, "Selected channel: %s (freq: %.3f)\n",
+		    cl.name, (float)cl.freq/1000);
+		tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
+		break;
+	    }
+	}
+    }
+    }
+    
+    /* grep frequency in chanlist */
+    {
+	unsigned long i2;
+	int freq;
+	
+	tv_get_freq(tvh, &i2);
+	
+	freq = (int) (((float)(i2/16))*1000)+250;
+	
+	for (i = 0; i < chanlists[tvh->chanlist].count; i++)
+	{
+	    if (tvh->chanlist_s[i].freq == freq)
+	    {
+		tvh->channel = i+1;
+		break;
+	    }
+	}
+    }
+
+done:    
+    /* also start device! */
+	return 1;
+}
+
+static demuxer_t* demux_open_tv(demuxer_t *demuxer)
+{
+    tvi_handle_t *tvh;
+    sh_video_t *sh_video;
+    sh_audio_t *sh_audio = NULL;
+    tvi_functions_t *funcs;
+    
+    if(!(tvh=tv_begin())) return NULL;
+    if (!tv_init(tvh)) return NULL;
+    if (!open_tv(tvh)){
+	tv_uninit(tvh);
+	return NULL;
+    }
+    funcs = tvh->functions;
+    demuxer->priv=tvh;
+    
+    sh_video = new_sh_video(demuxer, 0);
+
+    /* get IMAGE FORMAT */
+    funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FORMAT, &sh_video->format);
+//    if (IMGFMT_IS_RGB(sh_video->format) || IMGFMT_IS_BGR(sh_video->format))
+//	sh_video->format = 0x0;
+
+    /* set FPS and FRAMETIME */
+
+    if(!sh_video->fps)
+    {
+        float tmp;
+        if (funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FPS, &tmp) != TVI_CONTROL_TRUE)
+             sh_video->fps = 25.0f; /* on PAL */
+        else sh_video->fps = tmp;
+    }
+
+    if (tv_param_fps != -1.0f)
+        sh_video->fps = tv_param_fps;
+
+    sh_video->frametime = 1.0f/sh_video->fps;
+
+    /* If playback only mode, go to immediate mode, fail silently */
+    if(tv_param_immediate == 1)
+        {
+        funcs->control(tvh->priv, TVI_CONTROL_IMMEDIATE, 0);
+        tv_param_noaudio = 1; 
+        }
+
+    /* disable TV audio if -nosound is present */
+    if (!demuxer->audio || demuxer->audio->id == -2) {
+        tv_param_noaudio = 1; 
+    }
+
+    /* set width */
+    funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &sh_video->disp_w);
+
+    /* set height */
+    funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &sh_video->disp_h);
+
+    demuxer->video->sh = sh_video;
+    sh_video->ds = demuxer->video;
+    demuxer->video->id = 0;
+    demuxer->seekable = 0;
+
+    /* here comes audio init */
+    if (tv_param_noaudio == 0 && funcs->control(tvh->priv, TVI_CONTROL_IS_AUDIO, 0) == TVI_CONTROL_TRUE)
+    {
+	int audio_format;
+	int sh_audio_format;
+	char buf[128];
+
+	/* yeah, audio is present */
+
+	funcs->control(tvh->priv, TVI_CONTROL_AUD_SET_SAMPLERATE, 
+				  &tv_param_audiorate);
+
+	if (funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_FORMAT, &audio_format) != TVI_CONTROL_TRUE)
+	    goto no_audio;
+
+	switch(audio_format)
+	{
+	    case AF_FORMAT_U8:
+	    case AF_FORMAT_S8:
+	    case AF_FORMAT_U16_LE:
+	    case AF_FORMAT_U16_BE:
+	    case AF_FORMAT_S16_LE:
+	    case AF_FORMAT_S16_BE:
+	    case AF_FORMAT_S32_LE:
+	    case AF_FORMAT_S32_BE:
+		sh_audio_format = 0x1; /* PCM */
+		break;
+	    case AF_FORMAT_IMA_ADPCM:
+	    case AF_FORMAT_MU_LAW:
+	    case AF_FORMAT_A_LAW:
+	    case AF_FORMAT_MPEG2:
+	    case AF_FORMAT_AC3:
+	    default:
+		mp_msg(MSGT_TV, MSGL_ERR, "Audio type '%s (%x)' unsupported!\n",
+		    af_fmt2str(audio_format, buf, 128), audio_format);
+		goto no_audio;
+	}
+	
+	sh_audio = new_sh_audio(demuxer, 0);
+
+	funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_SAMPLERATE, 
+                   &sh_audio->samplerate);
+	funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_SAMPLESIZE, 
+                   &sh_audio->samplesize);
+	funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_CHANNELS, 
+                   &sh_audio->channels);
+
+	sh_audio->format = sh_audio_format;
+	sh_audio->sample_format = audio_format;
+
+	sh_audio->i_bps = sh_audio->o_bps =
+	    sh_audio->samplerate * sh_audio->samplesize * 
+	    sh_audio->channels;
+
+	// emulate WF for win32 codecs:
+	sh_audio->wf = malloc(sizeof(WAVEFORMATEX));
+	sh_audio->wf->wFormatTag = sh_audio->format;
+	sh_audio->wf->nChannels = sh_audio->channels;
+	sh_audio->wf->wBitsPerSample = sh_audio->samplesize * 8;
+	sh_audio->wf->nSamplesPerSec = sh_audio->samplerate;
+	sh_audio->wf->nBlockAlign = sh_audio->samplesize * sh_audio->channels;
+	sh_audio->wf->nAvgBytesPerSec = sh_audio->i_bps;
+
+	mp_msg(MSGT_DECVIDEO, MSGL_V, "  TV audio: %d channels, %d bits, %d Hz\n",
+          sh_audio->wf->nChannels, sh_audio->wf->wBitsPerSample,
+          sh_audio->wf->nSamplesPerSec);
+
+	demuxer->audio->sh = sh_audio;
+	sh_audio->ds = demuxer->audio;
+	demuxer->audio->id = 0;
+    }
+no_audio:
+
+    if(!(funcs->start(tvh->priv))){
+	// start failed :(
+	tv_uninit(tvh);
+	return NULL;
+    }
+
+    /* set color eq */
+    tv_set_color_options(tvh, TV_COLOR_BRIGHTNESS, tv_param_brightness);
+    tv_set_color_options(tvh, TV_COLOR_HUE, tv_param_hue);
+    tv_set_color_options(tvh, TV_COLOR_SATURATION, tv_param_saturation);
+    tv_set_color_options(tvh, TV_COLOR_CONTRAST, tv_param_contrast);
+
+    return demuxer;
+}
+
+static void demux_close_tv(demuxer_t *demuxer)
+{
+    tvi_handle_t *tvh=(tvi_handle_t*)(demuxer->priv);
+    tvh->functions->uninit(tvh->priv);
+}
+
+/* ================== STREAM_TV ===================== */
+tvi_handle_t *tvi_init_dummy(char *device);
+tvi_handle_t *tvi_init_v4l(char *device, char *adevice);
+tvi_handle_t *tvi_init_v4l2(char *device, char *adevice);
+tvi_handle_t *tvi_init_bsdbt848(char *device);
+
+tvi_handle_t *tv_begin(void)
+{
+    if (!strcmp(tv_param_driver, "dummy"))
+	return tvi_init_dummy(tv_param_device);
+#ifdef HAVE_TV_V4L1
+    if (!strcmp(tv_param_driver, "v4l"))
+	return tvi_init_v4l(tv_param_device, tv_param_adevice);
+#endif
+#ifdef HAVE_TV_V4L2
+    if (!strcmp(tv_param_driver, "v4l2"))
+	return tvi_init_v4l2(tv_param_device, tv_param_adevice);
+#endif
+#ifdef HAVE_TV_BSDBT848
+    if (!strcmp(tv_param_driver, "bsdbt848"))
+	return tvi_init_bsdbt848(tv_param_device);
+#endif
+
+    mp_msg(MSGT_TV, MSGL_ERR, "No such driver: %s\n", tv_param_driver); 
+    return(NULL);
+}
+
+int tv_init(tvi_handle_t *tvh)
+{
+    mp_msg(MSGT_TV, MSGL_INFO, "Selected driver: %s\n", tvh->info->short_name);
+    mp_msg(MSGT_TV, MSGL_INFO, " name: %s\n", tvh->info->name);
+    mp_msg(MSGT_TV, MSGL_INFO, " author: %s\n", tvh->info->author);
+    if (tvh->info->comment)
+	mp_msg(MSGT_TV, MSGL_INFO, " comment: %s\n", tvh->info->comment);
+
+    return(tvh->functions->init(tvh->priv));
+}
+
+int tv_uninit(tvi_handle_t *tvh)
+{
+    return(tvh->functions->uninit(tvh->priv));
+}
+
+/* utilities for mplayer (not mencoder!!) */
+int tv_set_color_options(tvi_handle_t *tvh, int opt, int value)
+{
+    tvi_functions_t *funcs = tvh->functions;
+
+    switch(opt)
+    {
+	case TV_COLOR_BRIGHTNESS:
+	    return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_BRIGHTNESS, &value);
+	case TV_COLOR_HUE:
+	    return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HUE, &value);
+	case TV_COLOR_SATURATION:
+	    return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_SATURATION, &value);
+	case TV_COLOR_CONTRAST:
+	    return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_CONTRAST, &value);
+	default:
+	    mp_msg(MSGT_TV, MSGL_WARN, "Unknown color option (%d) specified!\n", opt);
+    }
+    
+    return(TVI_CONTROL_UNKNOWN);
+}
+
+int tv_get_color_options(tvi_handle_t *tvh, int opt, int* value)
+{
+    tvi_functions_t *funcs = tvh->functions;
+
+    switch(opt)
+    {
+	case TV_COLOR_BRIGHTNESS:
+	    return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_BRIGHTNESS, value);
+	case TV_COLOR_HUE:
+	    return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HUE, value);
+	case TV_COLOR_SATURATION:
+	    return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_SATURATION, value);
+	case TV_COLOR_CONTRAST:
+	    return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_CONTRAST, value);
+	default:
+	    mp_msg(MSGT_TV, MSGL_WARN, "Unknown color option (%d) specified!\n", opt);
+    }
+    
+    return(TVI_CONTROL_UNKNOWN);
+}
+
+int tv_get_freq(tvi_handle_t *tvh, unsigned long *freq)
+{
+    if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) == TVI_CONTROL_TRUE)
+    {
+	tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, freq);
+	mp_msg(MSGT_TV, MSGL_V, "Current frequency: %lu (%.3f)\n",
+	    *freq, (float)*freq/16);
+    }
+    return(1);
+}
+
+int tv_set_freq(tvi_handle_t *tvh, unsigned long freq)
+{
+    if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) == TVI_CONTROL_TRUE)
+    {
+//	unsigned long freq = atof(tv_param_freq)*16;
+
+        /* set freq in MHz */
+	tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_FREQ, &freq);
+
+	tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, &freq);
+	mp_msg(MSGT_TV, MSGL_V, "Current frequency: %lu (%.3f)\n",
+	    freq, (float)freq/16);
+    }
+    return(1);
+}
+
+int tv_step_channel_real(tvi_handle_t *tvh, int direction)
+{
+    struct CHANLIST cl;
+
+    if (direction == TV_CHANNEL_LOWER)
+    {
+	if (tvh->channel-1 >= 0)
+	{
+	    strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
+	    cl = tvh->chanlist_s[--tvh->channel];
+	    mp_msg(MSGT_TV, MSGL_INFO, "Selected channel: %s (freq: %.3f)\n",
+		cl.name, (float)cl.freq/1000);
+	    tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
+	}	
+    }
+
+    if (direction == TV_CHANNEL_HIGHER)
+    {
+	if (tvh->channel+1 < chanlists[tvh->chanlist].count)
+	{
+	    strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
+	    cl = tvh->chanlist_s[++tvh->channel];
+	    mp_msg(MSGT_TV, MSGL_INFO, "Selected channel: %s (freq: %.3f)\n",
+		cl.name, (float)cl.freq/1000);
+	    tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
+	}	
+    }
+    return(1);
+}
+
+int tv_step_channel(tvi_handle_t *tvh, int direction) {
+	if (tv_channel_list) {
+		if (direction == TV_CHANNEL_HIGHER) {
+			tv_channel_last = tv_channel_current;
+			if (tv_channel_current->next)
+				tv_channel_current = tv_channel_current->next;
+			else
+				tv_channel_current = tv_channel_list;
+				tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
+				mp_msg(MSGT_TV, MSGL_INFO, "Selected channel: %s - %s (freq: %.3f)\n",
+			tv_channel_current->number, tv_channel_current->name, (float)tv_channel_current->freq/1000);
+		}
+		if (direction == TV_CHANNEL_LOWER) {
+			tv_channel_last = tv_channel_current;
+			if (tv_channel_current->prev)
+				tv_channel_current = tv_channel_current->prev;
+			else
+				while (tv_channel_current->next)
+					tv_channel_current = tv_channel_current->next;
+				tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
+				mp_msg(MSGT_TV, MSGL_INFO, "Selected channel: %s - %s (freq: %.3f)\n",
+			tv_channel_current->number, tv_channel_current->name, (float)tv_channel_current->freq/1000);
+		}
+	} else tv_step_channel_real(tvh, direction);
+	return(1);
+}
+
+int tv_set_channel_real(tvi_handle_t *tvh, char *channel) {
+	int i;
+	struct CHANLIST cl;
+
+        strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
+	for (i = 0; i < chanlists[tvh->chanlist].count; i++)
+	{
+	    cl = tvh->chanlist_s[i];
+//	    printf("count%d: name: %s, freq: %d\n",
+//		i, cl.name, cl.freq);
+	    if (!strcasecmp(cl.name, channel))
+	    {
+		tvh->channel = i;
+		mp_msg(MSGT_TV, MSGL_INFO, "Selected channel: %s (freq: %.3f)\n",
+		    cl.name, (float)cl.freq/1000);
+		tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
+		break;
+	    }
+	}
+	return(1);
+}
+
+int tv_set_channel(tvi_handle_t *tvh, char *channel) {
+	int i, channel_int;
+
+	if (tv_channel_list) {
+		tv_channel_last = tv_channel_current;
+		channel_int = atoi(channel);
+		tv_channel_current = tv_channel_list;
+		for (i = 1; i < channel_int; i++)
+			if (tv_channel_current->next)
+				tv_channel_current = tv_channel_current->next;
+		mp_msg(MSGT_TV, MSGL_INFO, "Selected channel: %s - %s (freq: %.3f)\n", tv_channel_current->number,
+				tv_channel_current->name, (float)tv_channel_current->freq/1000);
+		tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
+	} else tv_set_channel_real(tvh, channel);
+	return(1);
+}
+
+int tv_last_channel(tvi_handle_t *tvh) {
+
+	if (tv_channel_list) {
+		tv_channels_t *tmp;
+
+		tmp = tv_channel_last;
+		tv_channel_last = tv_channel_current;
+		tv_channel_current = tmp;
+
+		mp_msg(MSGT_TV, MSGL_INFO, "Selected channel: %s - %s (freq: %.3f)\n", tv_channel_current->number,
+				tv_channel_current->name, (float)tv_channel_current->freq/1000);
+		tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
+	} else {
+		int i;
+		struct CHANLIST cl;
+
+		for (i = 0; i < chanlists[tvh->chanlist].count; i++)
+		{
+		    cl = tvh->chanlist_s[i];
+		    if (!strcasecmp(cl.name, tv_channel_last_real))
+		    {
+			strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
+			tvh->channel = i;
+			mp_msg(MSGT_TV, MSGL_INFO, "Selected channel: %s (freq: %.3f)\n",
+			    cl.name, (float)cl.freq/1000);
+			tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
+			break;
+		    }
+		}
+	}
+	return(1);
+}
+
+int tv_step_norm(tvi_handle_t *tvh)
+{
+  tvh->norm++;
+  if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM,
+                              &tvh->norm) != TVI_CONTROL_TRUE) {
+    tvh->norm = 0;
+    if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM,
+                                &tvh->norm) != TVI_CONTROL_TRUE) {
+      mp_msg(MSGT_TV, MSGL_ERR, "Error: Cannot set norm!\n");
+      return 0;
+    }
+  }
+    return(1);
+}
+
+int tv_step_chanlist(tvi_handle_t *tvh)
+{
+    return(1);
+}
+
+int tv_set_norm(tvi_handle_t *tvh, char* norm)
+{
+    tvh->norm = norm_from_string(tvh, norm);
+
+    mp_msg(MSGT_TV, MSGL_V, "Selected norm: %s\n", tv_param_norm);
+    if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tvh->norm) != TVI_CONTROL_TRUE) {
+	mp_msg(MSGT_TV, MSGL_ERR, "Error: Cannot set norm!\n");
+	return 0;
+    }
+    return(1);
+}
+
+demuxer_desc_t demuxer_desc_tv = {
+  "Tv card demuxer",
+  "tv",
+  "TV",
+  "Alex Beregszaszi, Charles R. Henrich",
+  "?",
+  DEMUXER_TYPE_TV,
+  0, // no autodetect
+  NULL,
+  demux_tv_fill_buffer,
+  demux_open_tv,
+  demux_close_tv,
+  NULL,
+  NULL
+};