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mpv/libmpdemux/tv.c

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/*
TV Interface for MPlayer
(C) Alex Beregszaszi <alex@naxine.org>
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 <sys/time.h>
#include "config.h"
int tv_param_on = 0;
#ifdef USE_TV
#include "mp_msg.h"
#include "help_mp.h"
#include "stream.h"
#include "demuxer.h"
#include "stheader.h"
#include "../libao2/afmt.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";
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 */
char *tv_param_outfmt = "yv12";
float tv_param_fps = -1.0;
#ifdef HAVE_TV_V4L
int tv_param_amode = -1;
int tv_param_audio_id = 0;
int tv_param_volume = 60000;
int tv_param_bass = -1;
int tv_param_treble = -1;
int tv_param_balance = -1;
int tv_param_forcechan = -1;
#ifdef HAVE_ALSA9
int tv_param_alsa = 0;
#endif
char* tv_param_adevice = NULL;
#endif
/* ================== DEMUX_TV ===================== */
/*
Return value:
0 = EOF(?) or no stream
1 = successfully read a packet
*/
/* fill demux->video and demux->audio */
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;
sh_video_t *sh_video = demux->video->sh;
u_int len;
int aframeswaiting;
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->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->pts=tvh->functions->grab_video_frame(tvh->priv, dp->buffer, len);
ds_add_packet(demux->video,dp);
}
return 1;
}
static int open_tv(tvi_handle_t *tvh)
{
int i;
tvi_functions_t *funcs = tvh->functions;
int picture_format = 0;
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 (!strcasecmp(tv_param_outfmt, "yv12"))
picture_format = IMGFMT_YV12;
else if (!strcasecmp(tv_param_outfmt, "i420"))
picture_format = IMGFMT_I420;
else if (!strcasecmp(tv_param_outfmt, "uyvy"))
picture_format = IMGFMT_UYVY;
else if (!strcasecmp(tv_param_outfmt, "yuy2"))
picture_format = IMGFMT_YUY2;
else if (!strcasecmp(tv_param_outfmt, "rgb32"))
picture_format = IMGFMT_RGB32;
else if (!strcasecmp(tv_param_outfmt, "rgb24"))
picture_format = IMGFMT_RGB24;
else if (!strcasecmp(tv_param_outfmt, "rgb16"))
picture_format = IMGFMT_RGB16;
else if (!strcasecmp(tv_param_outfmt, "rgb15"))
picture_format = IMGFMT_RGB15;
else
{
mp_msg(MSGT_TV, MSGL_ERR, "Unknown format given: %s\n", tv_param_outfmt);
mp_msg(MSGT_TV, MSGL_V, "Using default: Planar YV12\n");
picture_format = IMGFMT_YV12;
}
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_FORMAT, &picture_format);
/* set some params got from cmdline */
funcs->control(tvh->priv, TVI_CONTROL_SPC_SET_INPUT, &tv_param_input);
/* select video norm */
if (!strcasecmp(tv_param_norm, "pal"))
tvh->norm = TV_NORM_PAL;
else if (!strcasecmp(tv_param_norm, "ntsc"))
tvh->norm = TV_NORM_NTSC;
else if (!strcasecmp(tv_param_norm, "secam"))
tvh->norm = TV_NORM_SECAM;
mp_msg(MSGT_TV, MSGL_V, "Selected norm: %s\n", tv_param_norm);
funcs->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tvh->norm);
/* 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 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 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 simultanly!\n");
goto done;
}
/* 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))
{
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;
}
}
}
done:
/* also start device! */
return 1;
}
int 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 0;
if (!tv_init(tvh)) return 0;
if (!open_tv(tvh)){
tv_uninit(tvh);
return 0;
}
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)
{
int 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;
}
/* 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;
/* 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 AFMT_U8:
case AFMT_S8:
case AFMT_U16_LE:
case AFMT_U16_BE:
case AFMT_S16_LE:
case AFMT_S16_BE:
case AFMT_S32_LE:
case AFMT_S32_BE:
sh_audio_format = 0x1; /* PCM */
break;
case AFMT_IMA_ADPCM:
case AFMT_MU_LAW:
case AFMT_A_LAW:
case AFMT_MPEG:
case AFMT_AC3:
default:
mp_msg(MSGT_TV, MSGL_ERR, "Audio type '%s (%x)' unsupported!\n",
audio_out_format_name(audio_format), 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 = (WAVEFORMATEX *)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 0;
}
return 1;
}
#if defined(USE_TV) && defined(HAVE_TV_V4L)
int demux_close_tv(demuxer_t *demuxer)
{
tvi_handle_t *tvh=(tvi_handle_t*)(demuxer->priv);
return(tvh->functions->uninit(tvh->priv));
}
#endif
/* ================== 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_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_V4L
if (!strcmp(tv_param_driver, "v4l"))
return tvi_init_v4l(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:
if (value == 50)
value = 32768;
if (value > 50)
{
value *= 100;
value += 32768;
}
if (value < 50)
{
int i;
value *= 100;
i = value;
value = 32768 - i;
}
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_BRIGHTNESS, &value);
break;
case TV_COLOR_HUE:
if (value == 50)
value = 32768;
if (value > 50)
{
value *= 100;
value += 32768;
}
if (value < 50)
{
int i;
value *= 100;
i = value;
value = 32768 - i;
}
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HUE, &value);
break;
case TV_COLOR_SATURATION:
if (value == 50)
value = 32512;
if (value > 50)
{
value *= 100;
value += 32512;
}
if (value < 50)
{
int i;
value *= 100;
i = value;
value = 32512 - i;
}
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_SATURATION, &value);
break;
case TV_COLOR_CONTRAST:
if (value == 50)
value = 27648;
if (value > 50)
{
value *= 100;
value += 27648;
}
if (value < 50)
{
int i;
value *= 100;
i = value;
value = 27648 - i;
}
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_CONTRAST, &value);
break;
default:
mp_msg(MSGT_TV, MSGL_WARN, "Unknown color option (%d) specified!\n", opt);
}
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);
}
}
int tv_step_channel(tvi_handle_t *tvh, int direction)
{
struct CHANLIST cl;
if (direction == TV_CHANNEL_LOWER)
{
if (tvh->channel-1 >= 0)
{
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)
{
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));
}
}
}
int tv_step_norm(tvi_handle_t *tvh)
{
}
int tv_step_chanlist(tvi_handle_t *tvh)
{
}
#endif /* USE_TV */
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