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mpv/stream/tv.c
wm4 e56d8a200d Replace all calls to GetTimer()/GetTimerMS() 
GetTimer() is generally replaced with mp_time_us(). Both calls return
microseconds, but the latter uses int64_t, us defined to never wrap,
and never returns 0 or negative values.

GetTimerMS() has no direct replacement. Instead the other functions are
used.

For some code, switch to mp_time_sec(), which returns the time as double
float value in seconds. The returned time is offset to program start
time, so there is enough precision left to deliver microsecond
resolution for at least 100 years. Unless it's casted to a float
(or the CPU reduces precision), which is why we still use mp_time_us()
out of paranoia in places where precision is clearly needed.

Always switch to the correct time. The whole point of the new timer
calls is that they don't wrap, and storing microseconds in unsigned int
variables would negate this.

In some cases, remove wrap-around handling for time values.
2013-05-26 16:44:20 +02:00

1110 lines
32 KiB
C
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/*
* TV Interface for MPlayer
*
* API idea based on libvo2
*
* Copyright (C) 2001 Alex Beregszaszi
*
* Feb 19, 2002: Significant rewrites by Charles R. Henrich (henrich@msu.edu)
* to add support for audio, and bktr *BSD support.
*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <ctype.h>
#include <sys/time.h>
#include "config.h"
#include "core/mp_msg.h"
#include "stream.h"
#include "demux/demux.h"
#include "demux/stheader.h"
#include "audio/format.h"
#include "video/img_fourcc.h"
#include "libavutil/avstring.h"
#include "osdep/timer.h"
#include "tv.h"
#include "frequencies.h"
tv_channels_t *tv_channel_list;
tv_channels_t *tv_channel_current, *tv_channel_last;
char *tv_channel_last_real;
/* enumerating drivers (like in stream.c) */
extern const tvi_info_t tvi_info_dummy;
extern const tvi_info_t tvi_info_v4l2;
/** List of drivers in autodetection order */
static const tvi_info_t* tvi_driver_list[]={
#ifdef CONFIG_TV_V4L2
&tvi_info_v4l2,
#endif
&tvi_info_dummy,
NULL
};
tvi_handle_t *tv_new_handle(int size, const tvi_functions_t *functions)
{
tvi_handle_t *h = malloc(sizeof(*h));
if (!h)
return NULL;
h->priv = calloc(1, size);
if (!h->priv) {
free(h);
return NULL;
}
h->functions = functions;
h->seq = 0;
h->chanlist = -1;
h->chanlist_s = NULL;
h->norm = -1;
h->channel = -1;
h->scan = NULL;
return h;
}
void tv_free_handle(tvi_handle_t *h)
{
if (!h)
return;
free(h->priv);
free(h->scan);
free(h);
}
void tv_start_scan(tvi_handle_t *tvh, int start)
{
mp_msg(MSGT_TV,MSGL_INFO,"start scan\n");
tvh->tv_param->scan=start?1:0;
}
static int tv_set_freq_float(tvi_handle_t *tvh, float freq)
{
return tv_set_freq(tvh, freq/1000.0*16);
}
static void tv_scan(tvi_handle_t *tvh)
{
unsigned int now;
struct CHANLIST cl;
tv_channels_t *tv_channel_tmp=NULL;
tv_channels_t *tv_channel_add=NULL;
tv_scan_t* scan;
int found=0, index=1;
//Channel scanner without tuner is useless and causes crash due to uninitialized chanlist_s
if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE)
{
mp_tmsg(MSGT_TV, MSGL_WARN, "Channel scanner is not available without tuner\n");
tvh->tv_param->scan=0;
return;
}
scan = tvh->scan;
now=(unsigned int)mp_time_us();
if (!scan) {
scan=calloc(1,sizeof(tv_scan_t));
tvh->scan=scan;
cl = tvh->chanlist_s[scan->channel_num];
tv_set_freq_float(tvh, cl.freq);
scan->scan_timer=now+1e6*tvh->tv_param->scan_period;
}
if(scan->scan_timer>now)
return;
if (tv_get_signal(tvh)>tvh->tv_param->scan_threshold) {
cl = tvh->chanlist_s[scan->channel_num];
tv_channel_tmp=tv_channel_list;
while (tv_channel_tmp) {
index++;
if (cl.freq==tv_channel_tmp->freq){
found=1;
break;
}
tv_channel_add=tv_channel_tmp;
tv_channel_tmp=tv_channel_tmp->next;
}
if (!found) {
mp_msg(MSGT_TV, MSGL_INFO, "Found new channel: %s (#%d). \n",cl.name,index);
scan->new_channels++;
tv_channel_tmp = malloc(sizeof(tv_channels_t));
tv_channel_tmp->index=index;
tv_channel_tmp->next=NULL;
tv_channel_tmp->prev=tv_channel_add;
tv_channel_tmp->freq=cl.freq;
snprintf(tv_channel_tmp->name,sizeof(tv_channel_tmp->name),"ch%d",index);
strncpy(tv_channel_tmp->number, cl.name, 5);
tv_channel_tmp->number[4]='\0';
if (!tv_channel_list)
tv_channel_list=tv_channel_tmp;
else {
tv_channel_add->next=tv_channel_tmp;
tv_channel_list->prev=tv_channel_tmp;
}
}else
mp_msg(MSGT_TV, MSGL_INFO, "Found existing channel: %s-%s.\n",
tv_channel_tmp->number,tv_channel_tmp->name);
}
scan->channel_num++;
scan->scan_timer=now+1e6*tvh->tv_param->scan_period;
if (scan->channel_num>=chanlists[tvh->chanlist].count) {
tvh->tv_param->scan=0;
mp_msg(MSGT_TV, MSGL_INFO, "TV scan end. Found %d new channels.\n", scan->new_channels);
tv_channel_tmp=tv_channel_list;
if(tv_channel_tmp){
mp_msg(MSGT_TV,MSGL_INFO,"channels=");
while(tv_channel_tmp){
mp_msg(MSGT_TV,MSGL_INFO,"%s-%s",tv_channel_tmp->number,tv_channel_tmp->name);
if(tv_channel_tmp->next)
mp_msg(MSGT_TV,MSGL_INFO,",");
tv_channel_tmp=tv_channel_tmp->next;
}
mp_msg(MSGT_TV, MSGL_INFO, "\n");
}
if (!tv_channel_current) tv_channel_current=tv_channel_list;
if (tv_channel_current)
tv_set_freq_float(tvh, tv_channel_current->freq);
free(tvh->scan);
tvh->scan=NULL;
}else{
cl = tvh->chanlist_s[scan->channel_num];
tv_set_freq_float(tvh, cl.freq);
mp_msg(MSGT_TV, MSGL_INFO, "Trying: %s (%.2f). \n",cl.name,1e-3*cl.freq);
}
}
/* ================== 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 && tvh->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->keyframe = true;
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->keyframe = true;
dp->pts=tvh->functions->grab_video_frame(tvh->priv, dp->buffer, len);
ds_add_packet(demux->video,dp);
}
if (tvh->tv_param->scan) tv_scan(tvh);
return 1;
}
static int norm_from_string(tvi_handle_t *tvh, char* norm)
{
const tvi_functions_t *funcs = tvh->functions;
char str[20];
int ret;
strncpy(str, norm, sizeof(str)-1);
str[sizeof(str)-1] = '\0';
ret=funcs->control(tvh->priv, TVI_CONTROL_SPC_GET_NORMID, str);
if (ret == TVI_CONTROL_TRUE) {
int *v = (int *)str;
return *v;
}
if(ret!=TVI_CONTROL_UNKNOWN)
{
mp_tmsg(MSGT_TV, MSGL_WARN, "tv.c: norm_from_string(%s): Bogus norm parameter, setting %s.\n", norm,"default");
return 0;
}
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_tmsg(MSGT_TV, MSGL_WARN, "tv.c: norm_from_string(%s): Bogus norm parameter, setting %s.\n", norm, "PAL");
return TV_NORM_PAL;
}
}
static void parse_channels(tvi_handle_t *tvh)
{
char** channels = tvh->tv_param->channels;
mp_tmsg(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;
tv_channel_current->norm = tvh->norm;
while (*channels) {
char* tmp = *(channels++);
char* sep = strchr(tmp,'-');
int i;
struct CHANLIST cl;
if (!sep) continue; // Wrong syntax, but mplayer should not crash
av_strlcpy(tv_channel_current->name, sep + 1,
sizeof(tv_channel_current->name));
sep[0] = '\0';
strncpy(tv_channel_current->number, tmp, 5);
tv_channel_current->number[4]='\0';
while ((sep=strchr(tv_channel_current->name, '_')))
sep[0] = ' ';
// if channel number is a number and larger than 1000 threat it as frequency
// tmp still contain pointer to null-terminated string with channel number here
if (atoi(tmp)>1000){
tv_channel_current->freq=atoi(tmp);
}else{
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_tmsg(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';
}
sep = strchr(tv_channel_current->name, '=');
if ( sep ) {
tv_channel_current->norm = norm_from_string(tvh, sep+1);
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;
tv_channel_current->norm = tvh->norm;
}
if (tv_channel_current->prev)
tv_channel_current->prev->next = NULL;
free(tv_channel_current);
}
int tv_set_norm(tvi_handle_t *tvh, char* norm)
{
tvh->norm = norm_from_string(tvh, norm);
mp_tmsg(MSGT_TV, MSGL_V, "Selected norm : %s\n", norm);
if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tvh->norm) != TVI_CONTROL_TRUE) {
mp_tmsg(MSGT_TV, MSGL_ERR, "Error: Cannot set norm!\n");
return 0;
}
return 1;
}
static int tv_set_norm_i(tvi_handle_t *tvh, int norm)
{
tvh->norm = norm;
mp_tmsg(MSGT_TV, MSGL_V, "Selected norm id: %d\n", norm);
if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tvh->norm) != TVI_CONTROL_TRUE) {
mp_tmsg(MSGT_TV, MSGL_ERR, "Error: Cannot set norm!\n");
return 0;
}
return 1;
}
static void set_norm_and_freq(tvi_handle_t *tvh, tv_channels_t *chan)
{
mp_msg(MSGT_TV, MSGL_INFO, "Selected channel: %s - %s (freq: %.3f)\n",
chan->number, chan->name, chan->freq/1000.0);
tv_set_norm_i(tvh, chan->norm);
tv_set_freq_float(tvh, chan->freq);
}
static int open_tv(tvi_handle_t *tvh)
{
int i;
const tvi_functions_t *funcs = tvh->functions;
static const int tv_fmt_list[] = {
MP_FOURCC_YV12,
MP_FOURCC_I420,
MP_FOURCC_UYVY,
MP_FOURCC_YUY2,
MP_FOURCC_RGB32,
MP_FOURCC_RGB24,
MP_FOURCC_RGB16,
MP_FOURCC_RGB15
};
if (funcs->control(tvh->priv, TVI_CONTROL_IS_VIDEO, 0) != TVI_CONTROL_TRUE)
{
mp_tmsg(MSGT_TV, MSGL_ERR, "Error: No video input present!\n");
return 0;
}
if (tvh->tv_param->outfmt == -1)
for (i = 0; i < sizeof (tv_fmt_list) / sizeof (*tv_fmt_list); i++)
{
tvh->tv_param->outfmt = tv_fmt_list[i];
if (funcs->control (tvh->priv, TVI_CONTROL_VID_SET_FORMAT,
&tvh->tv_param->outfmt) == TVI_CONTROL_TRUE)
break;
}
else
{
switch(tvh->tv_param->outfmt)
{
case MP_FOURCC_YV12:
case MP_FOURCC_I420:
case MP_FOURCC_UYVY:
case MP_FOURCC_YUY2:
case MP_FOURCC_RGB32:
case MP_FOURCC_RGB24:
case MP_FOURCC_BGR32:
case MP_FOURCC_BGR24:
case MP_FOURCC_BGR16:
case MP_FOURCC_BGR15:
break;
default:
mp_tmsg(MSGT_TV, MSGL_ERR,
"==================================================================\n"\
" WARNING: UNTESTED OR UNKNOWN OUTPUT IMAGE FORMAT REQUESTED (0x%x)\n"\
" This may cause buggy playback or program crash! Bug reports will\n"\
" be ignored! You should try again with YV12 (which is the default\n"\
" colorspace) and read the documentation!\n"\
"==================================================================\n"
,tvh->tv_param->outfmt);
}
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_FORMAT, &tvh->tv_param->outfmt);
}
/* set some params got from cmdline */
funcs->control(tvh->priv, TVI_CONTROL_SPC_SET_INPUT, &tvh->tv_param->input);
#if defined(CONFIG_TV_V4L2)
if (0
#ifdef CONFIG_TV_V4L2
|| (!strcmp(tvh->tv_param->driver, "v4l2") && tvh->tv_param->normid >= 0)
#endif
)
tv_set_norm_i(tvh, tvh->tv_param->normid);
else
#endif
tv_set_norm(tvh,tvh->tv_param->norm);
/* limits on w&h are norm-dependent -- JM */
if (tvh->tv_param->width != -1 && tvh->tv_param->height != -1) {
// first tell the driver both width and height, some drivers do not support setting them independently.
int dim[2];
dim[0] = tvh->tv_param->width; dim[1] = tvh->tv_param->height;
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH_HEIGHT, dim);
}
/* set width */
if (tvh->tv_param->width != -1)
{
if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_WIDTH, &tvh->tv_param->width) == TVI_CONTROL_TRUE)
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH, &tvh->tv_param->width);
else
{
mp_tmsg(MSGT_TV, MSGL_ERR, "Unable to set requested width: %d\n", tvh->tv_param->width);
funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &tvh->tv_param->width);
}
}
/* set height */
if (tvh->tv_param->height != -1)
{
if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_HEIGHT, &tvh->tv_param->height) == TVI_CONTROL_TRUE)
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HEIGHT, &tvh->tv_param->height);
else
{
mp_tmsg(MSGT_TV, MSGL_ERR, "Unable to set requested height: %d\n", tvh->tv_param->height);
funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &tvh->tv_param->height);
}
}
if (funcs->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE)
{
mp_tmsg(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, tvh->tv_param->chanlist))
{
tvh->chanlist = i;
tvh->chanlist_s = chanlists[i].list;
break;
}
}
if (tvh->chanlist == -1) {
mp_tmsg(MSGT_TV, MSGL_WARN, "Unable to find selected channel list! (%s)\n",
tvh->tv_param->chanlist);
return 0;
} else
mp_tmsg(MSGT_TV, MSGL_V, "Selected channel list: %s (including %d channels)\n",
chanlists[tvh->chanlist].name, chanlists[tvh->chanlist].count);
if (tvh->tv_param->freq && tvh->tv_param->channel)
{
mp_tmsg(MSGT_TV, MSGL_WARN, "You can't set frequency and channel simultaneously!\n");
goto done;
}
/* Handle channel names */
if (tvh->tv_param->channels) {
parse_channels(tvh);
} else
tv_channel_last_real = malloc(5);
if (tv_channel_list) {
int i;
int channel = 0;
if (tvh->tv_param->channel)
{
if (isdigit(*tvh->tv_param->channel))
/* if tvh->tv_param->channel begins with a digit interpret it as a number */
channel = atoi(tvh->tv_param->channel);
else
{
/* if tvh->tv_param->channel does not begin with a digit
set the first channel that contains tvh->tv_param->channel in its name */
tv_channel_current = tv_channel_list;
while ( tv_channel_current ) {
if ( strstr(tv_channel_current->name, tvh->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;
}
set_norm_and_freq(tvh, tv_channel_current);
tv_channel_last = tv_channel_current;
} else {
/* we need to set frequency */
if (tvh->tv_param->freq)
{
unsigned long freq = atof(tvh->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_tmsg(MSGT_TV, MSGL_V, "Selected frequency: %lu (%.3f)\n",
freq, freq/16.0);
}
if (tvh->tv_param->channel) {
struct CHANLIST cl;
mp_tmsg(MSGT_TV, MSGL_V, "Requested channel: %s\n", tvh->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, tvh->tv_param->channel))
{
strcpy(tv_channel_last_real, cl.name);
tvh->channel = i;
mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s (freq: %.3f)\n",
cl.name, cl.freq/1000.0);
tv_set_freq_float(tvh, cl.freq);
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 tvi_handle_t *tv_begin(tv_param_t* tv_param)
{
int i;
tvi_handle_t* h;
if(tv_param->driver && !strcmp(tv_param->driver,"help")){
mp_tmsg(MSGT_TV,MSGL_INFO,"Available drivers:\n");
for(i=0;tvi_driver_list[i];i++){
mp_msg(MSGT_TV,MSGL_INFO," %s\t%s",tvi_driver_list[i]->short_name,tvi_driver_list[i]->name);
if(tvi_driver_list[i]->comment)
mp_msg(MSGT_TV,MSGL_INFO," (%s)",tvi_driver_list[i]->comment);
mp_msg(MSGT_TV,MSGL_INFO,"\n");
}
return NULL;
}
for(i=0;tvi_driver_list[i];i++){
if (!tv_param->driver || !strcmp(tvi_driver_list[i]->short_name, tv_param->driver)){
h=tvi_driver_list[i]->tvi_init(tv_param);
//Requested driver initialization failed
if (!h && tv_param->driver)
return NULL;
//Driver initialization failed during autodetection process.
if (!h)
continue;
h->tv_param=tv_param;
mp_tmsg(MSGT_TV, MSGL_INFO, "Selected driver: %s\n name: %s\n author: %s\n comment: %s\n", tvi_driver_list[i]->short_name,
tvi_driver_list[i]->name,
tvi_driver_list[i]->author,
tvi_driver_list[i]->comment?tvi_driver_list[i]->comment:"");
tv_param->driver=strdup(tvi_driver_list[i]->short_name);
return h;
}
}
if(tv_param->driver)
mp_tmsg(MSGT_TV, MSGL_ERR, "No such driver: %s\n", tv_param->driver);
else
mp_tmsg(MSGT_TV, MSGL_ERR, "TV driver autodetection failed.\n");
return NULL;
}
static int tv_uninit(tvi_handle_t *tvh)
{
int res;
if(!tvh) return 1;
if (!tvh->priv) return 1;
res=tvh->functions->uninit(tvh->priv);
if(res) {
free(tvh->priv);
tvh->priv=NULL;
}
return res;
}
static demuxer_t* demux_open_tv(demuxer_t *demuxer)
{
tvi_handle_t *tvh;
sh_video_t *sh_video;
sh_audio_t *sh_audio = NULL;
const tvi_functions_t *funcs;
demuxer->priv=NULL;
if(!(tvh=tv_begin(demuxer->stream->priv))) return NULL;
if (!tvh->functions->init(tvh->priv)) return NULL;
tvh->demuxer = demuxer;
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 */
int fourcc;
funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FORMAT, &fourcc);
sh_video->gsh->codec = "rawvideo";
sh_video->format = fourcc;
/* 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 (tvh->tv_param->fps != -1.0f)
sh_video->fps = tvh->tv_param->fps;
sh_video->frametime = 1.0f/sh_video->fps;
/* If playback only mode, go to immediate mode, fail silently */
if(tvh->tv_param->immediate == 1)
{
funcs->control(tvh->priv, TVI_CONTROL_IMMEDIATE, 0);
tvh->tv_param->noaudio = 1;
}
/* disable TV audio if -nosound is present */
if (!demuxer->audio || demuxer->audio->id == -2) {
tvh->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 (tvh->tv_param->noaudio == 0 && funcs->control(tvh->priv, TVI_CONTROL_IS_AUDIO, 0) == TVI_CONTROL_TRUE)
{
int audio_format;
char buf[128];
/* yeah, audio is present */
funcs->control(tvh->priv, TVI_CONTROL_AUD_SET_SAMPLERATE,
&tvh->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:
break;
case AF_FORMAT_MPEG2:
default:
mp_tmsg(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);
int nchannels = sh_audio->channels.num;
funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_CHANNELS,
&nchannels);
mp_chmap_from_channels(&sh_audio->channels, nchannels);
sh_audio->gsh->codec = "mp-pcm";
sh_audio->format = audio_format;
sh_audio->i_bps = sh_audio->o_bps =
sh_audio->samplerate * sh_audio->samplesize *
sh_audio->channels.num;
// emulate WF for win32 codecs:
sh_audio->wf = malloc(sizeof(*sh_audio->wf));
sh_audio->wf->wFormatTag = sh_audio->format;
sh_audio->wf->nChannels = sh_audio->channels.num;
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.num;
sh_audio->wf->nAvgBytesPerSec = sh_audio->i_bps;
mp_tmsg(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, tvh->tv_param->brightness);
tv_set_color_options(tvh, TV_COLOR_HUE, tvh->tv_param->hue);
tv_set_color_options(tvh, TV_COLOR_SATURATION, tvh->tv_param->saturation);
tv_set_color_options(tvh, TV_COLOR_CONTRAST, tvh->tv_param->contrast);
if(tvh->tv_param->gain!=-1)
if(funcs->control(tvh->priv,TVI_CONTROL_VID_SET_GAIN,&tvh->tv_param->gain)!=TVI_CONTROL_TRUE)
mp_msg(MSGT_TV,MSGL_WARN,"Unable to set gain control!\n");
return demuxer;
}
static void demux_close_tv(demuxer_t *demuxer)
{
tvi_handle_t *tvh=(tvi_handle_t*)(demuxer->priv);
if (!tvh) return;
tv_uninit(tvh);
free(tvh);
demuxer->priv=NULL;
}
int tv_set_color_options(tvi_handle_t *tvh, int opt, int value)
{
const 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_tmsg(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)
{
const 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_tmsg(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_tmsg(MSGT_TV, MSGL_V, "Current frequency: %lu (%.3f)\n",
*freq, *freq/16.0);
}
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(tvh->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_tmsg(MSGT_TV, MSGL_V, "Current frequency: %lu (%.3f)\n",
freq, freq/16.0);
}
return 1;
}
int tv_get_signal(tvi_handle_t *tvh)
{
int signal=0;
if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE ||
tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_SIGNAL, &signal)!=TVI_CONTROL_TRUE)
return 0;
return signal;
}
/*****************************************************************
* \brief tune current frequency by step_interval value
* \parameter step_interval increment value in 1/16 MHz
* \note frequency is rounded to 1/16 MHz value
* \return 1
*
*/
int tv_step_freq(tvi_handle_t* tvh, float step_interval){
unsigned long frequency;
tvh->tv_param->scan=0;
tv_get_freq(tvh,&frequency);
frequency+=step_interval;
return tv_set_freq(tvh,frequency);
}
int tv_step_channel_real(tvi_handle_t *tvh, int direction)
{
struct CHANLIST cl;
tvh->tv_param->scan=0;
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, cl.freq/1000.0);
tv_set_freq_float(tvh, cl.freq);
}
}
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, cl.freq/1000.0);
tv_set_freq_float(tvh, cl.freq);
}
}
return 1;
}
int tv_step_channel(tvi_handle_t *tvh, int direction) {
tvh->tv_param->scan=0;
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;
set_norm_and_freq(tvh, tv_channel_current);
}
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;
set_norm_and_freq(tvh, tv_channel_current);
}
} 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;
tvh->tv_param->scan=0;
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, cl.freq/1000.0);
tv_set_freq_float(tvh, cl.freq);
break;
}
}
return 1;
}
int tv_set_channel(tvi_handle_t *tvh, char *channel) {
int i, channel_int;
tvh->tv_param->scan=0;
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;
set_norm_and_freq(tvh, tv_channel_current);
} else tv_set_channel_real(tvh, channel);
return 1;
}
int tv_last_channel(tvi_handle_t *tvh) {
tvh->tv_param->scan=0;
if (tv_channel_list) {
tv_channels_t *tmp;
tmp = tv_channel_last;
tv_channel_last = tv_channel_current;
tv_channel_current = tmp;
set_norm_and_freq(tvh, tv_channel_current);
} 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, cl.freq/1000.0);
tv_set_freq_float(tvh, cl.freq);
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_tmsg(MSGT_TV, MSGL_ERR, "Error: Cannot set norm!\n");
return 0;
}
}
return 1;
}
int tv_step_chanlist(tvi_handle_t *tvh)
{
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
};
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