mirror of
https://github.com/mpv-player/mpv
synced 2024-08-24 07:21:49 +02:00
![Frédéric Brière](/assets/img/avatar_default.png)
Some fields (notably tv_channel_list) were left uninitialized, potentially causing problems later on. Fixes #4096
988 lines
32 KiB
C
988 lines
32 KiB
C
/*
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* TV Interface for MPlayer
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*
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* API idea based on libvo2
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*
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* Copyright (C) 2001 Alex Beregszaszi
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*
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* Feb 19, 2002: Significant rewrites by Charles R. Henrich (henrich@msu.edu)
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* to add support for audio, and bktr *BSD support.
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*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* mpv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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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 <string.h>
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#include <strings.h>
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#include <sys/time.h>
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#include <assert.h>
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#include <libavutil/avstring.h>
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#include "config.h"
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#include "common/msg.h"
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#include "misc/ctype.h"
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#include "options/m_option.h"
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#include "options/m_config.h"
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#include "options/options.h"
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#include "stream.h"
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#include "audio/format.h"
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#include "video/img_fourcc.h"
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#include "osdep/timer.h"
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#include "tv.h"
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#include "frequencies.h"
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/* enumerating drivers (like in stream.c) */
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extern const tvi_info_t tvi_info_dummy;
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extern const tvi_info_t tvi_info_v4l2;
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/** List of drivers in autodetection order */
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static const tvi_info_t *const tvi_driver_list[]={
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#if HAVE_TV_V4L2
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&tvi_info_v4l2,
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#endif
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&tvi_info_dummy,
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NULL
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};
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#define OPT_BASE_STRUCT tv_param_t
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const struct m_sub_options tv_params_conf = {
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.opts = (const m_option_t[]) {
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OPT_FLAG("immediatemode", immediate, 0),
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OPT_FLAG("audio", audio, 0),
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OPT_INT("audiorate", audiorate, 0),
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OPT_STRING("driver", driver, 0),
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OPT_STRING("device", device, 0),
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OPT_FLOAT("freq", freq, 0),
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OPT_STRING("channel", channel, 0),
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OPT_STRING("chanlist", chanlist, 0),
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OPT_STRING("norm", norm, 0),
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OPT_INTRANGE("automute", automute, 0, 0, 255),
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#if HAVE_TV_V4L2
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OPT_INT("normid", normid, 0),
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#endif
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OPT_INTRANGE("width", width, 0, 0, 4096),
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OPT_INTRANGE("height", height, 0, 0, 4096),
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OPT_INT("input", input, 0),
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OPT_GENERAL(int, "outfmt", outfmt, 0, .type = &m_option_type_fourcc),
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OPT_FLOAT("fps", fps, 0),
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OPT_STRINGLIST("channels", channels, 0),
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OPT_INTRANGE("brightness", brightness, 0, -100, 100),
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OPT_INTRANGE("contrast", contrast, 0, -100, 100),
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OPT_INTRANGE("hue", hue, 0, -100, 100),
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OPT_INTRANGE("saturation", saturation, 0, -100, 100),
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OPT_INTRANGE("gain", gain, 0, -1, 100),
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#if HAVE_TV_V4L2
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OPT_INTRANGE("amode", amode, 0, 0, 3),
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OPT_INTRANGE("volume", volume, 0, 0, 65535),
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OPT_INTRANGE("bass", bass, 0, 0, 65535),
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OPT_INTRANGE("treble", treble, 0, 0, 65535),
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OPT_INTRANGE("balance", balance, 0, 0, 65535),
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OPT_INTRANGE("forcechan", forcechan, 0, 1, 2),
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OPT_FLAG("forceaudio", force_audio, 0),
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OPT_INTRANGE("buffersize", buffer_size, 0, 16, 1024),
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OPT_FLAG("mjpeg", mjpeg, 0),
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OPT_INTRANGE("decimation", decimation, 0, 1, 4),
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OPT_INTRANGE("quality", quality, 0, 0, 100),
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#if HAVE_ALSA
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OPT_FLAG("alsa", alsa, 0),
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#endif /* HAVE_ALSA */
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#endif /* HAVE_TV_V4L2 */
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OPT_STRING("adevice", adevice, 0),
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OPT_INTRANGE("audioid", audio_id, 0, 0, 9),
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OPT_FLAG("scan-autostart", scan, 0),
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OPT_INTRANGE("scan-threshold", scan_threshold, 0, 1, 100),
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OPT_FLOATRANGE("scan-period", scan_period, 0, 0.1, 2.0),
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{0}
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},
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.size = sizeof(tv_param_t),
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.defaults = &(const tv_param_t){
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.chanlist = "europe-east",
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.norm = "pal",
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.normid = -1,
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.width = -1,
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.height = -1,
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.outfmt = -1,
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.fps = -1.0,
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.audio = 1,
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.immediate = 1,
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.audiorate = 44100,
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.amode = -1,
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.volume = -1,
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.bass = -1,
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.treble = -1,
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.balance = -1,
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.forcechan = -1,
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.buffer_size = -1,
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.decimation = 2,
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.quality = 90,
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.gain = -1,
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.scan_threshold = 50,
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.scan_period = 0.5,
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},
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};
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tvi_handle_t *tv_new_handle(int size, struct mp_log *log, const tvi_functions_t *functions)
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{
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tvi_handle_t *h = calloc(1, sizeof(*h));
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if (!h)
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return NULL;
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h->priv = calloc(1, size);
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if (!h->priv) {
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free(h);
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return NULL;
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}
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h->log = log;
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h->functions = functions;
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h->chanlist = -1;
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h->norm = -1;
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h->channel = -1;
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return h;
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}
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void tv_free_handle(tvi_handle_t *h)
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{
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if (!h)
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return;
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free(h->priv);
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free(h->scan);
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free(h);
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}
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void tv_start_scan(tvi_handle_t *tvh, int start)
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{
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MP_INFO(tvh, "start scan\n");
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tvh->tv_param->scan=start?1:0;
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}
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static int tv_set_freq_float(tvi_handle_t *tvh, float freq)
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{
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return tv_set_freq(tvh, freq/1000.0*16);
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}
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void tv_scan(tvi_handle_t *tvh)
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{
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unsigned int now;
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struct CHANLIST cl;
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tv_channels_t *tv_channel_tmp=NULL;
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tv_channels_t *tv_channel_add=NULL;
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tv_scan_t* scan;
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int found=0, index=1;
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//Channel scanner without tuner is useless and causes crash due to uninitialized chanlist_s
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if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE)
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{
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MP_WARN(tvh, "Channel scanner is not available without tuner\n");
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tvh->tv_param->scan=0;
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return;
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}
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scan = tvh->scan;
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now=(unsigned int)mp_time_us();
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if (!scan) {
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scan=calloc(1,sizeof(tv_scan_t));
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tvh->scan=scan;
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cl = tvh->chanlist_s[scan->channel_num];
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tv_set_freq_float(tvh, cl.freq);
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scan->scan_timer=now+1e6*tvh->tv_param->scan_period;
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}
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if(scan->scan_timer>now)
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return;
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if (tv_get_signal(tvh)>tvh->tv_param->scan_threshold) {
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cl = tvh->chanlist_s[scan->channel_num];
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tv_channel_tmp=tvh->tv_channel_list;
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while (tv_channel_tmp) {
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index++;
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if (cl.freq==tv_channel_tmp->freq){
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found=1;
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break;
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}
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tv_channel_add=tv_channel_tmp;
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tv_channel_tmp=tv_channel_tmp->next;
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}
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if (!found) {
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MP_INFO(tvh, "Found new channel: %s (#%d). \n",cl.name,index);
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scan->new_channels++;
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tv_channel_tmp = malloc(sizeof(tv_channels_t));
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tv_channel_tmp->index=index;
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tv_channel_tmp->next=NULL;
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tv_channel_tmp->prev=tv_channel_add;
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tv_channel_tmp->freq=cl.freq;
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snprintf(tv_channel_tmp->name,sizeof(tv_channel_tmp->name),"ch%d",index);
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strncpy(tv_channel_tmp->number, cl.name, 5);
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tv_channel_tmp->number[4]='\0';
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if (!tvh->tv_channel_list)
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tvh->tv_channel_list=tv_channel_tmp;
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else {
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tv_channel_add->next=tv_channel_tmp;
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tvh->tv_channel_list->prev=tv_channel_tmp;
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}
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}else
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MP_INFO(tvh, "Found existing channel: %s-%s.\n",
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tv_channel_tmp->number,tv_channel_tmp->name);
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}
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scan->channel_num++;
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scan->scan_timer=now+1e6*tvh->tv_param->scan_period;
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if (scan->channel_num>=chanlists[tvh->chanlist].count) {
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tvh->tv_param->scan=0;
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MP_INFO(tvh, "TV scan end. Found %d new channels.\n", scan->new_channels);
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tv_channel_tmp=tvh->tv_channel_list;
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if(tv_channel_tmp){
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MP_INFO(tvh, "channels=");
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while(tv_channel_tmp){
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MP_INFO(tvh, "%s-%s",tv_channel_tmp->number,tv_channel_tmp->name);
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if(tv_channel_tmp->next)
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MP_INFO(tvh, ",");
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tv_channel_tmp=tv_channel_tmp->next;
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}
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MP_INFO(tvh, "\n");
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}
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if (!tvh->tv_channel_current) tvh->tv_channel_current=tvh->tv_channel_list;
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if (tvh->tv_channel_current)
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tv_set_freq_float(tvh, tvh->tv_channel_current->freq);
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free(tvh->scan);
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tvh->scan=NULL;
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}else{
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cl = tvh->chanlist_s[scan->channel_num];
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tv_set_freq_float(tvh, cl.freq);
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MP_INFO(tvh, "Trying: %s (%.2f). \n",cl.name,1e-3*cl.freq);
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}
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}
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static int norm_from_string(tvi_handle_t *tvh, char* norm)
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{
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const tvi_functions_t *funcs = tvh->functions;
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char str[20];
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int ret;
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strncpy(str, norm, sizeof(str)-1);
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str[sizeof(str)-1] = '\0';
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ret=funcs->control(tvh->priv, TVI_CONTROL_SPC_GET_NORMID, str);
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if (ret == TVI_CONTROL_TRUE) {
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int *v = (int *)str;
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return *v;
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}
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if(ret!=TVI_CONTROL_UNKNOWN)
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{
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MP_WARN(tvh, "tv.c: norm_from_string(%s): Bogus norm parameter, setting %s.\n", norm,"default");
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return 0;
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}
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if (!strcasecmp(norm, "pal"))
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return TV_NORM_PAL;
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else if (!strcasecmp(norm, "ntsc"))
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return TV_NORM_NTSC;
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else if (!strcasecmp(norm, "secam"))
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return TV_NORM_SECAM;
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else if (!strcasecmp(norm, "palnc"))
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return TV_NORM_PALNC;
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else if (!strcasecmp(norm, "palm"))
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return TV_NORM_PALM;
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else if (!strcasecmp(norm, "paln"))
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return TV_NORM_PALN;
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else if (!strcasecmp(norm, "ntscjp"))
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return TV_NORM_NTSCJP;
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else {
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MP_WARN(tvh, "tv.c: norm_from_string(%s): Bogus norm parameter, setting %s.\n", norm, "PAL");
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return TV_NORM_PAL;
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}
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}
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static void parse_channels(tvi_handle_t *tvh)
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{
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char** channels = tvh->tv_param->channels;
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MP_INFO(tvh, "TV channel names detected.\n");
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tvh->tv_channel_list = malloc(sizeof(tv_channels_t));
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tvh->tv_channel_list->index=1;
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tvh->tv_channel_list->next=NULL;
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tvh->tv_channel_list->prev=NULL;
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tvh->tv_channel_current = tvh->tv_channel_list;
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tvh->tv_channel_current->norm = tvh->norm;
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while (*channels) {
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char* tmp = *(channels++);
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char* sep = strchr(tmp,'-');
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int i;
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struct CHANLIST cl;
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if (!sep) continue; // Wrong syntax, but mplayer should not crash
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av_strlcpy(tvh->tv_channel_current->name, sep + 1,
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sizeof(tvh->tv_channel_current->name));
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sep[0] = '\0';
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strncpy(tvh->tv_channel_current->number, tmp, 5);
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tvh->tv_channel_current->number[4]='\0';
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while ((sep=strchr(tvh->tv_channel_current->name, '_')))
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sep[0] = ' ';
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// if channel number is a number and larger than 1000 threat it as frequency
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// tmp still contain pointer to null-terminated string with channel number here
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if (atoi(tmp)>1000){
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tvh->tv_channel_current->freq=atoi(tmp);
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}else{
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tvh->tv_channel_current->freq = 0;
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for (i = 0; i < chanlists[tvh->chanlist].count; i++) {
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cl = tvh->chanlist_s[i];
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if (!strcasecmp(cl.name, tvh->tv_channel_current->number)) {
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tvh->tv_channel_current->freq=cl.freq;
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break;
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}
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}
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}
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if (tvh->tv_channel_current->freq == 0)
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MP_ERR(tvh, "Couldn't find frequency for channel %s (%s)\n",
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tvh->tv_channel_current->number, tvh->tv_channel_current->name);
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else {
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sep = strchr(tvh->tv_channel_current->name, '-');
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if ( !sep ) sep = strchr(tvh->tv_channel_current->name, '+');
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if ( sep ) {
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i = atoi (sep+1);
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if ( sep[0] == '+' ) tvh->tv_channel_current->freq += i * 100;
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if ( sep[0] == '-' ) tvh->tv_channel_current->freq -= i * 100;
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sep[0] = '\0';
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}
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sep = strchr(tvh->tv_channel_current->name, '=');
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if ( sep ) {
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tvh->tv_channel_current->norm = norm_from_string(tvh, sep+1);
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sep[0] = '\0';
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}
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}
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/*MP_INFO(tvh, "-- Detected channel %s - %s (%5.3f)\n",
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tvh->tv_channel_current->number, tvh->tv_channel_current->name,
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(float)tvh->tv_channel_current->freq/1000);*/
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tvh->tv_channel_current->next = malloc(sizeof(tv_channels_t));
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tvh->tv_channel_current->next->index = tvh->tv_channel_current->index + 1;
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tvh->tv_channel_current->next->prev = tvh->tv_channel_current;
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tvh->tv_channel_current->next->next = NULL;
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tvh->tv_channel_current = tvh->tv_channel_current->next;
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tvh->tv_channel_current->norm = tvh->norm;
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}
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if (tvh->tv_channel_current->prev)
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tvh->tv_channel_current->prev->next = NULL;
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free(tvh->tv_channel_current);
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}
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int tv_set_norm(tvi_handle_t *tvh, char* norm)
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{
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tvh->norm = norm_from_string(tvh, norm);
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MP_VERBOSE(tvh, "Selected norm : %s\n", norm);
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if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tvh->norm) != TVI_CONTROL_TRUE) {
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MP_ERR(tvh, "Error: Cannot set norm!\n");
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return 0;
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}
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return 1;
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}
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static int tv_set_norm_i(tvi_handle_t *tvh, int norm)
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{
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tvh->norm = norm;
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MP_VERBOSE(tvh, "Selected norm id: %d\n", norm);
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if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tvh->norm) != TVI_CONTROL_TRUE) {
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MP_ERR(tvh, "Error: Cannot set norm!\n");
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return 0;
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}
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return 1;
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}
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static void set_norm_and_freq(tvi_handle_t *tvh, tv_channels_t *chan)
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{
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MP_INFO(tvh, "Selected channel: %s - %s (freq: %.3f)\n",
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chan->number, chan->name, chan->freq/1000.0);
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tv_set_norm_i(tvh, chan->norm);
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tv_set_freq_float(tvh, chan->freq);
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}
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int open_tv(tvi_handle_t *tvh)
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{
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int i;
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const tvi_functions_t *funcs = tvh->functions;
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static const int tv_fmt_list[] = {
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MP_FOURCC_YV12,
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MP_FOURCC_I420,
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MP_FOURCC_UYVY,
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MP_FOURCC_YUY2,
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MP_FOURCC_RGB32,
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MP_FOURCC_RGB24,
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MP_FOURCC_RGB16,
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MP_FOURCC_RGB15
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};
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if (funcs->control(tvh->priv, TVI_CONTROL_IS_VIDEO, 0) != TVI_CONTROL_TRUE)
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{
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MP_ERR(tvh, "Error: No video input present!\n");
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return 0;
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}
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if (tvh->tv_param->outfmt == -1)
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for (i = 0; i < sizeof (tv_fmt_list) / sizeof (*tv_fmt_list); i++)
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{
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tvh->tv_param->outfmt = tv_fmt_list[i];
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if (funcs->control (tvh->priv, TVI_CONTROL_VID_SET_FORMAT,
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&tvh->tv_param->outfmt) == TVI_CONTROL_TRUE)
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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_ERR(tvh, "==================================================================\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 ((!strcmp(tvh->tv_param->driver, "v4l2") && tvh->tv_param->normid >= 0))
|
|
tv_set_norm_i(tvh, tvh->tv_param->normid);
|
|
else
|
|
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_ERR(tvh, "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_ERR(tvh, "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_WARN(tvh, "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_WARN(tvh, "Unable to find selected channel list! (%s)\n",
|
|
tvh->tv_param->chanlist);
|
|
return 0;
|
|
} else
|
|
MP_VERBOSE(tvh, "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_WARN(tvh, "You can't set frequency and channel simultaneously!\n");
|
|
goto done;
|
|
}
|
|
|
|
/* Handle channel names */
|
|
if (tvh->tv_param->channels) {
|
|
parse_channels(tvh);
|
|
} else
|
|
tvh->tv_channel_last_real = malloc(5);
|
|
|
|
if (tvh->tv_channel_list) {
|
|
int channel = 0;
|
|
if (tvh->tv_param->channel)
|
|
{
|
|
if (mp_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 */
|
|
|
|
tvh->tv_channel_current = tvh->tv_channel_list;
|
|
while ( tvh->tv_channel_current ) {
|
|
if ( strstr(tvh->tv_channel_current->name, tvh->tv_param->channel) )
|
|
break;
|
|
tvh->tv_channel_current = tvh->tv_channel_current->next;
|
|
}
|
|
if ( !tvh->tv_channel_current ) tvh->tv_channel_current = tvh->tv_channel_list;
|
|
}
|
|
}
|
|
else
|
|
channel = 1;
|
|
|
|
if ( channel ) {
|
|
tvh->tv_channel_current = tvh->tv_channel_list;
|
|
for (int n = 1; n < channel; n++)
|
|
if (tvh->tv_channel_current->next)
|
|
tvh->tv_channel_current = tvh->tv_channel_current->next;
|
|
}
|
|
|
|
set_norm_and_freq(tvh, tvh->tv_channel_current);
|
|
tvh->tv_channel_last = tvh->tv_channel_current;
|
|
} else {
|
|
/* we need to set frequency */
|
|
if (tvh->tv_param->freq)
|
|
{
|
|
unsigned long freq = 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_VERBOSE(tvh, "Selected frequency: %lu (%.3f)\n",
|
|
freq, freq/16.0);
|
|
}
|
|
|
|
if (tvh->tv_param->channel) {
|
|
struct CHANLIST cl;
|
|
|
|
MP_VERBOSE(tvh, "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(tvh->tv_channel_last_real, cl.name);
|
|
tvh->channel = i;
|
|
MP_INFO(tvh, "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 = 0;
|
|
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;
|
|
}
|
|
|
|
tvi_handle_t *tv_begin(tv_param_t* tv_param, struct mp_log *log)
|
|
{
|
|
int i;
|
|
tvi_handle_t* h;
|
|
if(tv_param->driver && !strcmp(tv_param->driver,"help")){
|
|
mp_info(log, "Available drivers:\n");
|
|
for(i=0;tvi_driver_list[i];i++){
|
|
mp_info(log, " %s\t%s\n",tvi_driver_list[i]->short_name,tvi_driver_list[i]->name);
|
|
}
|
|
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(log, 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_INFO(h, "Selected driver: %s\n name: %s\n", tvi_driver_list[i]->short_name,
|
|
tvi_driver_list[i]->name);
|
|
talloc_free(tv_param->driver);
|
|
tv_param->driver=talloc_strdup(NULL, tvi_driver_list[i]->short_name);
|
|
return h;
|
|
}
|
|
}
|
|
|
|
if(tv_param->driver)
|
|
mp_err(log, "No such driver: %s\n", tv_param->driver);
|
|
else
|
|
mp_err(log, "TV driver autodetection failed.\n");
|
|
return NULL;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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_WARN(tvh, "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_WARN(tvh, "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_VERBOSE(tvh, "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_VERBOSE(tvh, "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 = 0;
|
|
|
|
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(tvh->tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
|
|
cl = tvh->chanlist_s[--tvh->channel];
|
|
MP_INFO(tvh, "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(tvh->tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
|
|
cl = tvh->chanlist_s[++tvh->channel];
|
|
MP_INFO(tvh, "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 (tvh->tv_channel_list) {
|
|
if (direction == TV_CHANNEL_HIGHER) {
|
|
tvh->tv_channel_last = tvh->tv_channel_current;
|
|
if (tvh->tv_channel_current->next)
|
|
tvh->tv_channel_current = tvh->tv_channel_current->next;
|
|
else
|
|
tvh->tv_channel_current = tvh->tv_channel_list;
|
|
set_norm_and_freq(tvh, tvh->tv_channel_current);
|
|
}
|
|
if (direction == TV_CHANNEL_LOWER) {
|
|
tvh->tv_channel_last = tvh->tv_channel_current;
|
|
if (tvh->tv_channel_current->prev)
|
|
tvh->tv_channel_current = tvh->tv_channel_current->prev;
|
|
else
|
|
while (tvh->tv_channel_current->next)
|
|
tvh->tv_channel_current = tvh->tv_channel_current->next;
|
|
set_norm_and_freq(tvh, 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(tvh->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_INFO(tvh, "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 (tvh->tv_channel_list) {
|
|
tvh->tv_channel_last = tvh->tv_channel_current;
|
|
channel_int = atoi(channel);
|
|
tvh->tv_channel_current = tvh->tv_channel_list;
|
|
for (i = 1; i < channel_int; i++)
|
|
if (tvh->tv_channel_current->next)
|
|
tvh->tv_channel_current = tvh->tv_channel_current->next;
|
|
set_norm_and_freq(tvh, 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 (tvh->tv_channel_list) {
|
|
tv_channels_t *tmp;
|
|
|
|
tmp = tvh->tv_channel_last;
|
|
tvh->tv_channel_last = tvh->tv_channel_current;
|
|
tvh->tv_channel_current = tmp;
|
|
|
|
set_norm_and_freq(tvh, 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, tvh->tv_channel_last_real))
|
|
{
|
|
strcpy(tvh->tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
|
|
tvh->channel = i;
|
|
MP_INFO(tvh, "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_ERR(tvh, "Error: Cannot set norm!\n");
|
|
return 0;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
int tv_stream_control(tvi_handle_t *tvh, int cmd, void *arg)
|
|
{
|
|
switch (cmd) {
|
|
case STREAM_CTRL_TV_SET_SCAN:
|
|
tv_start_scan(tvh, *(int *)arg);
|
|
return STREAM_OK;
|
|
case STREAM_CTRL_SET_TV_FREQ:
|
|
tv_set_freq(tvh, *(float *)arg * 16.0f);
|
|
return STREAM_OK;
|
|
case STREAM_CTRL_GET_TV_FREQ: {
|
|
unsigned long tmp = 0;
|
|
tv_get_freq(tvh, &tmp);
|
|
*(float *)arg = tmp / 16.0f;
|
|
return STREAM_OK;
|
|
}
|
|
case STREAM_CTRL_SET_TV_COLORS:
|
|
tv_set_color_options(tvh, ((int *)arg)[0], ((int *)arg)[1]);
|
|
return STREAM_OK;
|
|
case STREAM_CTRL_GET_TV_COLORS:
|
|
tv_get_color_options(tvh, ((int *)arg)[0], &((int *)arg)[1]);
|
|
return STREAM_OK;
|
|
case STREAM_CTRL_TV_SET_NORM:
|
|
tv_set_norm(tvh, (char *)arg);
|
|
return STREAM_OK;
|
|
case STREAM_CTRL_TV_STEP_NORM:
|
|
tv_step_norm(tvh);
|
|
return STREAM_OK;
|
|
case STREAM_CTRL_TV_SET_CHAN:
|
|
tv_set_channel(tvh, (char *)arg);
|
|
return STREAM_OK;
|
|
case STREAM_CTRL_TV_STEP_CHAN:
|
|
if (*(int *)arg >= 0) {
|
|
tv_step_channel(tvh, TV_CHANNEL_HIGHER);
|
|
} else {
|
|
tv_step_channel(tvh, TV_CHANNEL_LOWER);
|
|
}
|
|
return STREAM_OK;
|
|
case STREAM_CTRL_TV_LAST_CHAN:
|
|
tv_last_channel(tvh);
|
|
return STREAM_OK;
|
|
}
|
|
return STREAM_UNSUPPORTED;
|
|
}
|