mirror of
https://github.com/mpv-player/mpv
synced 2024-12-30 11:02:10 +00:00
1616 lines
46 KiB
C
1616 lines
46 KiB
C
/*
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* stream layer for hardware MPEG 1/2/4 encoders a.k.a PVR
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* (such as WinTV PVR-150/250/350/500 (a.k.a IVTV), pvrusb2 and cx88)
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* See http://ivtvdriver.org/index.php/Main_Page for more details on the
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* cards supported by the ivtv driver.
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*
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* Copyright (C) 2006 Benjamin Zores
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* Copyright (C) 2007 Sven Gothel (channel navigation)
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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 "config.h"
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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 <errno.h>
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#include <sys/ioctl.h>
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#include <fcntl.h>
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#include <inttypes.h>
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#include <poll.h>
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#include <linux/videodev2.h>
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#include <libavutil/common.h>
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#include <libavutil/avstring.h>
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#include "osdep/io.h"
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#include "common/msg.h"
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#include "common/common.h"
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#include "options/options.h"
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#include "stream.h"
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#include "tv.h"
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#include "frequencies.h"
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#define PVR_DEFAULT_DEVICE "/dev/video0"
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#define PVR_MAX_CONTROLS 10
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/* audio codec mode */
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#define PVR_AUDIO_MODE_ARG_STEREO "stereo"
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#define PVR_AUDIO_MODE_ARG_JOINT_STEREO "joint_stereo"
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#define PVR_AUDIO_MODE_ARG_DUAL "dual"
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#define PVR_AUDIO_MODE_ARG_MONO "mono"
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/* video codec bitrate mode */
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#define PVR_VIDEO_BITRATE_MODE_ARG_VBR "vbr"
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#define PVR_VIDEO_BITRATE_MODE_ARG_CBR "cbr"
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/* video codec stream type */
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#define PVR_VIDEO_STREAM_TYPE_PS "ps"
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#define PVR_VIDEO_STREAM_TYPE_TS "ts"
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#define PVR_VIDEO_STREAM_TYPE_MPEG1 "mpeg1"
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#define PVR_VIDEO_STREAM_TYPE_DVD "dvd"
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#define PVR_VIDEO_STREAM_TYPE_VCD "vcd"
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#define PVR_VIDEO_STREAM_TYPE_SVCD "svcd"
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#define PVR_STATION_NAME_SIZE 256
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/* command line arguments */
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struct pvr_params {
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int aspect_ratio;
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int sample_rate;
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int audio_layer;
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int audio_bitrate;
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char *audio_mode;
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int bitrate;
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char *bitrate_mode;
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int bitrate_peak;
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char *stream_type;
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};
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#define OPT_BASE_STRUCT struct pvr_params
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const struct m_sub_options stream_pvr_conf = {
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.opts = (const m_option_t[]) {
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OPT_INT("aspect", aspect_ratio, 0),
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OPT_INT("arate", sample_rate, 0),
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OPT_INT("alayer", audio_layer, 0),
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OPT_INT("abitrate", audio_bitrate, 0),
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OPT_STRING("amode", audio_mode, 0),
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OPT_INT("vbitrate", bitrate, 0),
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OPT_STRING("vmode", bitrate_mode, 0),
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OPT_INT("vpeak", bitrate_peak, 0),
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OPT_STRING("fmt", stream_type, 0),
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{0}
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},
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.size = sizeof(struct pvr_params),
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};
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#define BUFSTRCPY(d, s) av_strlcpy(d, s, sizeof(d))
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#define BUFPRINTF(d, ...) snprintf(d, sizeof(d), __VA_ARGS__)
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typedef struct station_elem_s {
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char name[PVR_STATION_NAME_SIZE];
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int freq;
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char station[PVR_STATION_NAME_SIZE];
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int enabled;
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int priority;
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} station_elem_t;
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typedef struct stationlist_s {
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char name[PVR_STATION_NAME_SIZE];
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station_elem_t *list;
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int total; /* total number */
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int used; /* used number */
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int enabled; /* enabled number */
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} stationlist_t;
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struct pvr_t {
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struct mp_log *log;
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tv_param_t *tv_params;
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struct pvr_params *params;
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int dev_fd;
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char *video_dev;
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int chantab;
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/* v4l2 params */
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int mute;
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int input;
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int normid;
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int brightness;
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int contrast;
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int hue;
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int saturation;
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int width;
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int height;
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int freq;
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int chan_idx;
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int chan_idx_last;
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stationlist_t stationlist;
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/* dups the tv_param_channel, or the url's channel param */
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char *param_channel;
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/* encoder params */
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int aspect;
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int samplerate;
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int layer;
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int audio_rate;
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int audio_mode;
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int bitrate;
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int bitrate_mode;
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int bitrate_peak;
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int stream_type;
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};
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static int pvr_stream_control(struct stream *s, int cmd, void *arg);
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static struct pvr_t *pvr_init(void)
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{
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struct pvr_t *pvr = NULL;
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pvr = calloc(1, sizeof (struct pvr_t));
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pvr->dev_fd = -1;
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pvr->video_dev = strdup(PVR_DEFAULT_DEVICE);
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pvr->chantab = 5;
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/* v4l2 params */
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pvr->mute = 0;
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pvr->input = 0;
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pvr->normid = -1;
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pvr->brightness = 0;
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pvr->contrast = 0;
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pvr->hue = 0;
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pvr->saturation = 0;
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pvr->width = -1;
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pvr->height = -1;
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pvr->freq = -1;
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pvr->chan_idx = -1;
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pvr->chan_idx_last = -1;
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/* set default encoding settings
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* may be overlapped by user parameters
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* Use VBR MPEG_PS encoding at 6 Mbps (peak at 9.6 Mbps)
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* with 48 KHz L2 384 kbps audio.
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*/
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pvr->aspect = V4L2_MPEG_VIDEO_ASPECT_4x3;
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pvr->samplerate = V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000;
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pvr->layer = V4L2_MPEG_AUDIO_ENCODING_LAYER_2;
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pvr->audio_rate = V4L2_MPEG_AUDIO_L2_BITRATE_384K;
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pvr->audio_mode = V4L2_MPEG_AUDIO_MODE_STEREO;
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pvr->bitrate = 6000000;
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pvr->bitrate_mode = V4L2_MPEG_VIDEO_BITRATE_MODE_VBR;
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pvr->bitrate_peak = 9600000;
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pvr->stream_type = V4L2_MPEG_STREAM_TYPE_MPEG2_PS;
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return pvr;
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}
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static void pvr_uninit(struct pvr_t *pvr)
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{
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if (!pvr)
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return;
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/* close device */
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if (pvr->dev_fd != -1)
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close(pvr->dev_fd);
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free(pvr->video_dev);
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free(pvr->stationlist.list);
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free(pvr->param_channel);
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free(pvr);
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}
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/**
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* @brief Copy Constructor for stationlist
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*
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* @see parse_setup_stationlist
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*/
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static int copycreate_stationlist(struct pvr_t *pvr, stationlist_t *stationlist,
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int num)
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{
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int i;
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if (pvr->chantab < 0 || !stationlist)
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return -1;
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num = FFMAX(num, chanlists[pvr->chantab].count);
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free(stationlist->list);
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stationlist->list = NULL;
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stationlist->total = 0;
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stationlist->enabled = 0;
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stationlist->used = 0;
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stationlist->list = calloc(num, sizeof (station_elem_t));
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if (!stationlist->list) {
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MP_ERR(pvr, "No memory allocated for station list, giving up\n");
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return -1;
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}
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/* transport the channel list data to our extented struct */
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stationlist->total = num;
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BUFSTRCPY(stationlist->name, chanlists[pvr->chantab].name);
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for (i = 0; i < chanlists[pvr->chantab].count; i++) {
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stationlist->list[i].station[0] = '\0'; /* no station name yet */
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BUFSTRCPY(stationlist->list[i].name,
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chanlists[pvr->chantab].list[i].name);
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stationlist->list[i].freq = chanlists[pvr->chantab].list[i].freq;
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stationlist->list[i].enabled = 1; /* default enabled */
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stationlist->enabled++;
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stationlist->used++;
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}
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return 0;
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}
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static int print_all_stations(struct pvr_t *pvr)
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{
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int i;
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if (!pvr || !pvr->stationlist.list)
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return -1;
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for (i = 0; i < pvr->stationlist.total; i++) {
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MP_VERBOSE(pvr, "%3d: [%c] channel: %8s - freq: %8d - station: %s\n",
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i, (pvr->stationlist.list[i].enabled) ? 'X' : ' ',
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pvr->stationlist.list[i].name, pvr->stationlist.list[i].freq,
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pvr->stationlist.list[i].station);
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}
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return 0;
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}
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/**
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* Disables all stations
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*
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* @see parse_setup_stationlist
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*/
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static void disable_all_stations(struct pvr_t *pvr)
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{
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int i;
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for (i = 0; i < pvr->stationlist.total; i++)
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pvr->stationlist.list[i].enabled = 0;
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pvr->stationlist.enabled = 0;
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}
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/**
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* Update or add a station
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*
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* @see parse_setup_stationlist
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*/
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static int set_station(struct pvr_t *pvr, const char *station,
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const char *channel, int freq, int priority)
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{
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int i;
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if (!pvr || !pvr->stationlist.list)
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return -1;
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if (0 >= pvr->stationlist.total || (!channel && !freq))
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return -1;
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/* select channel */
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for (i = 0; i < pvr->stationlist.used; i++) {
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if (channel && !strcasecmp(pvr->stationlist.list[i].name, channel))
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break; /* found existing channel entry */
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if (freq > 0 && pvr->stationlist.list[i].freq == freq)
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break; /* found existing frequency entry */
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}
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if (i < pvr->stationlist.used) {
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/**
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* found an existing entry,
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* which is about to change with the user data.
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* it is also enabled ..
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*/
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if (!pvr->stationlist.list[i].enabled) {
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pvr->stationlist.list[i].enabled = 1;
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pvr->stationlist.enabled++;
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}
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if (station)
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BUFSTRCPY(pvr->stationlist.list[i].station, station);
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else if (channel)
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BUFSTRCPY(pvr->stationlist.list[i].station, channel);
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else
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BUFPRINTF(pvr->stationlist.list[i].station, "F %d", freq);
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pvr->stationlist.list[i].priority = priority;
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MP_DBG(pvr, "Set user station channel: %8s - freq: %8d - station: %s\n",
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pvr->stationlist.list[i].name,
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pvr->stationlist.list[i].freq,
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pvr->stationlist.list[i].station);
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return 0;
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}
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/* from here on, we have to create a new entry, frequency is mandatory */
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if (freq < 0) {
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MP_ERR(pvr, "Cannot add new station/channel without frequency\n");
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return -1;
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}
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if (pvr->stationlist.total < i) {
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/**
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* we have to extend the stationlist about
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* an arbitrary size, even though this path is not performance critical
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*/
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pvr->stationlist.total += 10;
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pvr->stationlist.list =
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realloc(pvr->stationlist.list,
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pvr->stationlist.total * sizeof (station_elem_t));
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if (!pvr->stationlist.list) {
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MP_ERR(pvr, "No memory allocated for station list, giving up\n");
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return -1;
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}
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/* clear the new space ..*/
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memset(&(pvr->stationlist.list[pvr->stationlist.used]), 0,
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(pvr->stationlist.total - pvr->stationlist.used)
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* sizeof (station_elem_t));
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}
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/* here we go, our actual new entry */
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pvr->stationlist.used++;
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pvr->stationlist.list[i].enabled = 1;
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pvr->stationlist.list[i].priority = priority;
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pvr->stationlist.enabled++;
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if (station)
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BUFSTRCPY(pvr->stationlist.list[i].station, station);
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if (channel)
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BUFSTRCPY(pvr->stationlist.list[i].name, channel);
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else
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BUFPRINTF(pvr->stationlist.list[i].name, "F %d", freq);
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pvr->stationlist.list[i].freq = freq;
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MP_DBG(pvr, "Add user station channel: %8s - freq: %8d - station: %s\n",
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pvr->stationlist.list[i].name,
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pvr->stationlist.list[i].freq,
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pvr->stationlist.list[i].station);
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return 0;
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}
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static int compare_priority(const void *pa, const void *pb)
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{
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const station_elem_t *a = pa;
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const station_elem_t *b = pb;
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if (a->priority < b->priority)
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return -1;
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if (a->priority > b->priority)
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return 1;
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return 0;
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}
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/**
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* Here we set our stationlist, as follow
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* - choose the frequency channel table, e.g. ntsc-cable
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* - create our stationlist, same element size as the channellist
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* - copy the channellist content to our stationlist
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* - IF the user provides his channel-mapping, THEN:
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* - disable all stations
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* - update and/or create entries in the stationlist and enable them
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*/
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static int parse_setup_stationlist(struct pvr_t *pvr)
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{
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int i;
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if (!pvr)
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return -1;
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/* Create our station/channel list */
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if (pvr->tv_params->chanlist) {
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/* select channel list */
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for (i = 0; chanlists[i].name != NULL; i++) {
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if (!strcasecmp(chanlists[i].name, pvr->tv_params->chanlist)) {
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pvr->chantab = i;
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break;
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}
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}
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if (!chanlists[i].name) {
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MP_ERR(pvr, "unable to find channel list %s, using default %s\n",
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pvr->tv_params->chanlist, chanlists[pvr->chantab].name);
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} else {
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MP_INFO(pvr, "select channel list %s, entries %d\n",
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chanlists[pvr->chantab].name, chanlists[pvr->chantab].count);
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}
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}
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if (0 > pvr->chantab) {
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MP_FATAL(pvr, "No channel list selected, giving up\n");
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return -1;
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}
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if (copycreate_stationlist(pvr, &(pvr->stationlist), -1) < 0) {
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MP_FATAL(pvr, "No memory allocated for station list, giving up\n");
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return -1;
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}
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/* Handle user channel mappings */
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if (pvr->tv_params->channels) {
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char channel[PVR_STATION_NAME_SIZE];
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char station[PVR_STATION_NAME_SIZE];
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char **channels = pvr->tv_params->channels;
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disable_all_stations(pvr);
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int prio = 0;
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for (i = 0; i < pvr->stationlist.total; i++)
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pvr->stationlist.list[i].priority = ++prio;
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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 freq = -1;
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if (!sep)
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continue; /* Wrong syntax, but mplayer should not crash */
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BUFSTRCPY(station, sep + 1);
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sep[0] = '\0';
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BUFSTRCPY(channel, tmp);
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while ((sep = strchr(station, '_')))
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sep[0] = ' ';
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/* if channel number is a number and larger than 1000 treat it as
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* frequency tmp still contain pointer to null-terminated string with
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* channel number here
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*/
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if ((freq = atoi(channel)) <= 1000)
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freq = -1;
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if (set_station(pvr, station, (freq <= 0) ? channel : NULL, freq,
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++prio) < 0)
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{
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MP_ERR(pvr, "Unable to set user station channel: %8s - "
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"freq: %8d - station: %s\n", channel, freq, station);
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}
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}
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qsort(pvr->stationlist.list, pvr->stationlist.total,
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sizeof(station_elem_t), compare_priority);
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}
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return print_all_stations(pvr);
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}
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static int get_v4l2_freq(struct pvr_t *pvr)
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{
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int freq;
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struct v4l2_frequency vf;
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struct v4l2_tuner vt;
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if (!pvr)
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return -1;
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if (pvr->dev_fd < 0)
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return -1;
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|
|
|
memset(&vt, 0, sizeof (vt));
|
|
memset(&vf, 0, sizeof (vf));
|
|
|
|
if (ioctl(pvr->dev_fd, VIDIOC_G_TUNER, &vt) < 0) {
|
|
MP_ERR(pvr, "can't set tuner (%s).\n", mp_strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
if (ioctl(pvr->dev_fd, VIDIOC_G_FREQUENCY, &vf) < 0) {
|
|
MP_ERR(pvr, "can't get frequency (%s).\n", mp_strerror(errno));
|
|
return -1;
|
|
}
|
|
freq = vf.frequency;
|
|
if (!(vt.capability & V4L2_TUNER_CAP_LOW))
|
|
freq *= 1000;
|
|
freq /= 16;
|
|
|
|
return freq;
|
|
}
|
|
|
|
static int set_v4l2_freq(struct pvr_t *pvr)
|
|
{
|
|
struct v4l2_frequency vf;
|
|
struct v4l2_tuner vt;
|
|
|
|
if (!pvr)
|
|
return -1;
|
|
|
|
if (0 >= pvr->freq) {
|
|
MP_ERR(pvr, "Frequency invalid %d !!!\n", pvr->freq);
|
|
return -1;
|
|
}
|
|
|
|
/* don't set the frequency, if it's already set.
|
|
* setting it here would interrupt the stream.
|
|
*/
|
|
if (get_v4l2_freq(pvr) == pvr->freq) {
|
|
MP_INFO(pvr, "Frequency %d already set.\n", pvr->freq);
|
|
return 0;
|
|
}
|
|
|
|
if (pvr->dev_fd < 0)
|
|
return -1;
|
|
|
|
memset(&vf, 0, sizeof (vf));
|
|
memset(&vt, 0, sizeof (vt));
|
|
|
|
if (ioctl(pvr->dev_fd, VIDIOC_G_TUNER, &vt) < 0) {
|
|
MP_ERR(pvr, "can't get tuner (%s).\n", mp_strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
vf.type = vt.type;
|
|
vf.frequency = pvr->freq * 16;
|
|
|
|
if (!(vt.capability & V4L2_TUNER_CAP_LOW))
|
|
vf.frequency /= 1000;
|
|
|
|
if (ioctl(pvr->dev_fd, VIDIOC_S_FREQUENCY, &vf) < 0) {
|
|
MP_ERR(pvr, "can't set frequency (%s).\n", mp_strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
memset(&vt, 0, sizeof(vt));
|
|
if (ioctl(pvr->dev_fd, VIDIOC_G_TUNER, &vt) < 0) {
|
|
MP_ERR(pvr, "can't set tuner (%s).\n", mp_strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
/* just a notification */
|
|
if (!vt.signal) {
|
|
MP_ERR(pvr, "NO SIGNAL at frequency %d (%d)\n", pvr->freq, vf.frequency);
|
|
} else {
|
|
MP_INFO(pvr, "Got signal at frequency %d (%d)\n", pvr->freq,
|
|
vf.frequency);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int set_station_by_step(struct pvr_t *pvr, int step, int v4lAction)
|
|
{
|
|
if (!pvr || !pvr->stationlist.list)
|
|
return -1;
|
|
|
|
if (pvr->stationlist.enabled >= abs(step)) {
|
|
int gotcha = 0;
|
|
int chidx = pvr->chan_idx + step;
|
|
|
|
while (!gotcha) {
|
|
chidx = (chidx + pvr->stationlist.used) % pvr->stationlist.used;
|
|
|
|
MP_DBG(pvr, "Offset switch: current %d, enabled %d, step %d -> %d\n",
|
|
pvr->chan_idx, pvr->stationlist.enabled, step,
|
|
chidx);
|
|
|
|
if (!pvr->stationlist.list[chidx].enabled) {
|
|
MP_DBG(pvr, "Switch disabled to user station channel: %8s - "
|
|
"freq: %8d - station: %s\n",
|
|
pvr->stationlist.list[chidx].name,
|
|
pvr->stationlist.list[chidx].freq,
|
|
pvr->stationlist.list[chidx].station);
|
|
chidx += FFSIGN(step);
|
|
} else {
|
|
gotcha = 1;
|
|
}
|
|
}
|
|
|
|
pvr->freq = pvr->stationlist.list[chidx].freq;
|
|
pvr->chan_idx_last = pvr->chan_idx;
|
|
pvr->chan_idx = chidx;
|
|
|
|
MP_INFO(pvr, "Switch to user station channel: %8s - freq: %8d - station: %s\n",
|
|
pvr->stationlist.list[chidx].name,
|
|
pvr->stationlist.list[chidx].freq,
|
|
pvr->stationlist.list[chidx].station);
|
|
|
|
if (v4lAction)
|
|
return set_v4l2_freq(pvr);
|
|
|
|
return (pvr->freq > 0) ? 0 : -1;
|
|
}
|
|
|
|
MP_ERR(pvr, "Ooops couldn't set freq by channel entry step %d to "
|
|
"current %d, enabled %d\n",
|
|
step, pvr->chan_idx, pvr->stationlist.enabled);
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int set_station_by_channelname_or_freq(struct pvr_t *pvr,
|
|
const char *channel,
|
|
int freq, int v4lAction)
|
|
{
|
|
int i = 0;
|
|
|
|
if (!pvr || !pvr->stationlist.list)
|
|
return -1;
|
|
|
|
if (0 >= pvr->stationlist.enabled) {
|
|
MP_WARN(pvr, "No enabled station, cannot switch channel/frequency\n");
|
|
return -1;
|
|
}
|
|
|
|
if (channel) {
|
|
/* select by channel */
|
|
for (i = 0; i < pvr->stationlist.used; i++) {
|
|
if (!strcasecmp(pvr->stationlist.list[i].name, channel)) {
|
|
if (!pvr->stationlist.list[i].enabled) {
|
|
MP_WARN(pvr, "Switch disabled to user station channel: %8s "
|
|
"- freq: %8d - station: %s\n",
|
|
pvr->stationlist.list[i].name,
|
|
pvr->stationlist.list[i].freq,
|
|
pvr->stationlist.list[i].station);
|
|
|
|
return -1;
|
|
}
|
|
|
|
pvr->freq = pvr->stationlist.list[i].freq;
|
|
pvr->chan_idx_last = pvr->chan_idx;
|
|
pvr->chan_idx = i;
|
|
break;
|
|
}
|
|
}
|
|
} else if (freq >= 0) {
|
|
/* select by freq */
|
|
for (i = 0; i < pvr->stationlist.used; i++) {
|
|
if (pvr->stationlist.list[i].freq == freq) {
|
|
if (!pvr->stationlist.list[i].enabled) {
|
|
MP_WARN(pvr, "Switch disabled to user station channel: "
|
|
"%8s - freq: %8d - station: %s\n",
|
|
pvr->stationlist.list[i].name,
|
|
pvr->stationlist.list[i].freq,
|
|
pvr->stationlist.list[i].station);
|
|
|
|
return -1;
|
|
}
|
|
|
|
pvr->freq = pvr->stationlist.list[i].freq;
|
|
pvr->chan_idx_last = pvr->chan_idx;
|
|
pvr->chan_idx = i;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (i >= pvr->stationlist.used) {
|
|
if (channel) {
|
|
MP_WARN(pvr, "unable to find channel %s\n", channel);
|
|
} else {
|
|
MP_WARN(pvr, "unable to find frequency %d\n", freq);
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
MP_INFO(pvr, "Switch to user station channel: %8s - freq: %8d - station: %s\n",
|
|
pvr->stationlist.list[i].name,
|
|
pvr->stationlist.list[i].freq,
|
|
pvr->stationlist.list[i].station);
|
|
|
|
if (v4lAction)
|
|
return set_v4l2_freq(pvr);
|
|
|
|
return (pvr->freq > 0) ? 0 : -1;
|
|
}
|
|
|
|
static void parse_encoder_options(struct pvr_t *pvr)
|
|
{
|
|
if (!pvr)
|
|
return;
|
|
|
|
/* -pvr aspect=digit */
|
|
if (pvr->params->aspect_ratio >= 0 && pvr->params->aspect_ratio <= 3)
|
|
pvr->aspect = pvr->params->aspect_ratio;
|
|
|
|
/* -pvr arate=x */
|
|
if (pvr->params->sample_rate != 0) {
|
|
switch (pvr->params->sample_rate) {
|
|
case 32000:
|
|
pvr->samplerate = V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000;
|
|
break;
|
|
case 44100:
|
|
pvr->samplerate = V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100;
|
|
break;
|
|
case 48000:
|
|
pvr->samplerate = V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* -pvr alayer=x */
|
|
if (pvr->params->audio_layer == 1) {
|
|
pvr->layer = V4L2_MPEG_AUDIO_ENCODING_LAYER_1;
|
|
} else if (pvr->params->audio_layer == 2) {
|
|
pvr->layer = V4L2_MPEG_AUDIO_ENCODING_LAYER_2;
|
|
} else if (pvr->params->audio_layer == 3) {
|
|
pvr->layer = V4L2_MPEG_AUDIO_ENCODING_LAYER_3;
|
|
}
|
|
|
|
/* -pvr abitrate=x */
|
|
if (pvr->params->audio_bitrate != 0) {
|
|
if (pvr->layer == V4L2_MPEG_AUDIO_ENCODING_LAYER_1) {
|
|
switch (pvr->params->audio_bitrate) {
|
|
case 32:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L1_BITRATE_32K;
|
|
break;
|
|
case 64:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L1_BITRATE_64K;
|
|
break;
|
|
case 96:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L1_BITRATE_96K;
|
|
break;
|
|
case 128:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L1_BITRATE_128K;
|
|
break;
|
|
case 160:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L1_BITRATE_160K;
|
|
break;
|
|
case 192:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L1_BITRATE_192K;
|
|
break;
|
|
case 224:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L1_BITRATE_224K;
|
|
break;
|
|
case 256:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L1_BITRATE_256K;
|
|
break;
|
|
case 288:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L1_BITRATE_288K;
|
|
break;
|
|
case 320:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L1_BITRATE_320K;
|
|
break;
|
|
case 352:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L1_BITRATE_352K;
|
|
break;
|
|
case 384:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L1_BITRATE_384K;
|
|
break;
|
|
case 416:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L1_BITRATE_416K;
|
|
break;
|
|
case 448:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L1_BITRATE_448K;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
} else if (pvr->layer == V4L2_MPEG_AUDIO_ENCODING_LAYER_2) {
|
|
switch (pvr->params->audio_bitrate) {
|
|
case 32:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L2_BITRATE_32K;
|
|
break;
|
|
case 48:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L2_BITRATE_48K;
|
|
break;
|
|
case 56:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L2_BITRATE_56K;
|
|
break;
|
|
case 64:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L2_BITRATE_64K;
|
|
break;
|
|
case 80:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L2_BITRATE_80K;
|
|
break;
|
|
case 96:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L2_BITRATE_96K;
|
|
break;
|
|
case 112:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L2_BITRATE_112K;
|
|
break;
|
|
case 128:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L2_BITRATE_128K;
|
|
break;
|
|
case 160:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L2_BITRATE_160K;
|
|
break;
|
|
case 192:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L2_BITRATE_192K;
|
|
break;
|
|
case 224:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L2_BITRATE_224K;
|
|
break;
|
|
case 256:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L2_BITRATE_256K;
|
|
break;
|
|
case 320:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L2_BITRATE_320K;
|
|
break;
|
|
case 384:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L2_BITRATE_384K;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
} else if (pvr->layer == V4L2_MPEG_AUDIO_ENCODING_LAYER_3) {
|
|
switch (pvr->params->audio_bitrate) {
|
|
case 32:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L3_BITRATE_32K;
|
|
break;
|
|
case 40:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L3_BITRATE_40K;
|
|
break;
|
|
case 48:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L3_BITRATE_48K;
|
|
break;
|
|
case 56:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L3_BITRATE_56K;
|
|
break;
|
|
case 64:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L3_BITRATE_64K;
|
|
break;
|
|
case 80:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L3_BITRATE_80K;
|
|
break;
|
|
case 96:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L3_BITRATE_96K;
|
|
break;
|
|
case 112:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L3_BITRATE_112K;
|
|
break;
|
|
case 128:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L3_BITRATE_128K;
|
|
break;
|
|
case 160:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L3_BITRATE_160K;
|
|
break;
|
|
case 192:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L3_BITRATE_192K;
|
|
break;
|
|
case 224:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L3_BITRATE_224K;
|
|
break;
|
|
case 256:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L3_BITRATE_256K;
|
|
break;
|
|
case 320:
|
|
pvr->audio_rate = V4L2_MPEG_AUDIO_L3_BITRATE_320K;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* -pvr amode=x */
|
|
if (pvr->params->audio_mode) {
|
|
if (!strcmp(pvr->params->audio_mode, PVR_AUDIO_MODE_ARG_STEREO)) {
|
|
pvr->audio_mode = V4L2_MPEG_AUDIO_MODE_STEREO;
|
|
} else if (!strcmp(pvr->params->audio_mode,
|
|
PVR_AUDIO_MODE_ARG_JOINT_STEREO))
|
|
{
|
|
pvr->audio_mode = V4L2_MPEG_AUDIO_MODE_JOINT_STEREO;
|
|
} else if (!strcmp(pvr->params->audio_mode, PVR_AUDIO_MODE_ARG_DUAL)) {
|
|
pvr->audio_mode = V4L2_MPEG_AUDIO_MODE_DUAL;
|
|
} else if (!strcmp(pvr->params->audio_mode, PVR_AUDIO_MODE_ARG_MONO)) {
|
|
pvr->audio_mode = V4L2_MPEG_AUDIO_MODE_MONO;
|
|
}
|
|
}
|
|
|
|
/* -pvr vbitrate=x */
|
|
if (pvr->params->bitrate)
|
|
pvr->bitrate = pvr->params->bitrate;
|
|
|
|
/* -pvr vmode=x */
|
|
if (pvr->params->bitrate_mode) {
|
|
if (!strcmp(pvr->params->bitrate_mode, PVR_VIDEO_BITRATE_MODE_ARG_VBR)) {
|
|
pvr->bitrate_mode = V4L2_MPEG_VIDEO_BITRATE_MODE_VBR;
|
|
} else if (!strcmp(pvr->params->bitrate_mode,
|
|
PVR_VIDEO_BITRATE_MODE_ARG_CBR))
|
|
{
|
|
pvr->bitrate_mode = V4L2_MPEG_VIDEO_BITRATE_MODE_CBR;
|
|
}
|
|
}
|
|
|
|
/* -pvr vpeak=x */
|
|
if (pvr->params->bitrate_peak)
|
|
pvr->bitrate_peak = pvr->params->bitrate_peak;
|
|
|
|
/* -pvr fmt=x */
|
|
if (pvr->params->stream_type) {
|
|
if (!strcmp(pvr->params->stream_type, PVR_VIDEO_STREAM_TYPE_PS)) {
|
|
pvr->stream_type = V4L2_MPEG_STREAM_TYPE_MPEG2_PS;
|
|
} else if (!strcmp(pvr->params->stream_type, PVR_VIDEO_STREAM_TYPE_TS)) {
|
|
pvr->stream_type = V4L2_MPEG_STREAM_TYPE_MPEG2_TS;
|
|
} else if (!strcmp(pvr->params->stream_type, PVR_VIDEO_STREAM_TYPE_MPEG1)) {
|
|
pvr->stream_type = V4L2_MPEG_STREAM_TYPE_MPEG1_SS;
|
|
} else if (!strcmp(pvr->params->stream_type, PVR_VIDEO_STREAM_TYPE_DVD)) {
|
|
pvr->stream_type = V4L2_MPEG_STREAM_TYPE_MPEG2_DVD;
|
|
} else if (!strcmp(pvr->params->stream_type, PVR_VIDEO_STREAM_TYPE_VCD)) {
|
|
pvr->stream_type = V4L2_MPEG_STREAM_TYPE_MPEG1_VCD;
|
|
} else if (!strcmp(pvr->params->stream_type, PVR_VIDEO_STREAM_TYPE_SVCD)) {
|
|
pvr->stream_type = V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void add_v4l2_ext_control(struct v4l2_ext_control *ctrl,
|
|
uint32_t id, int32_t value)
|
|
{
|
|
ctrl->id = id;
|
|
ctrl->value = value;
|
|
}
|
|
|
|
static int set_encoder_settings(struct pvr_t *pvr)
|
|
{
|
|
struct v4l2_ext_control *ext_ctrl = NULL;
|
|
struct v4l2_ext_controls ctrls;
|
|
uint32_t count = 0;
|
|
|
|
if (!pvr)
|
|
return -1;
|
|
|
|
if (pvr->dev_fd < 0)
|
|
return -1;
|
|
|
|
ext_ctrl = malloc(PVR_MAX_CONTROLS * sizeof (struct v4l2_ext_control));
|
|
|
|
add_v4l2_ext_control(&ext_ctrl[count++], V4L2_CID_MPEG_VIDEO_ASPECT,
|
|
pvr->aspect);
|
|
|
|
add_v4l2_ext_control(&ext_ctrl[count++], V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
|
|
pvr->samplerate);
|
|
|
|
add_v4l2_ext_control(&ext_ctrl[count++], V4L2_CID_MPEG_AUDIO_ENCODING,
|
|
pvr->layer);
|
|
|
|
switch (pvr->layer) {
|
|
case V4L2_MPEG_AUDIO_ENCODING_LAYER_1:
|
|
add_v4l2_ext_control(&ext_ctrl[count++], V4L2_CID_MPEG_AUDIO_L1_BITRATE,
|
|
pvr->audio_rate);
|
|
break;
|
|
case V4L2_MPEG_AUDIO_ENCODING_LAYER_2:
|
|
add_v4l2_ext_control(&ext_ctrl[count++], V4L2_CID_MPEG_AUDIO_L2_BITRATE,
|
|
pvr->audio_rate);
|
|
break;
|
|
case V4L2_MPEG_AUDIO_ENCODING_LAYER_3:
|
|
add_v4l2_ext_control(&ext_ctrl[count++], V4L2_CID_MPEG_AUDIO_L3_BITRATE,
|
|
pvr->audio_rate);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
add_v4l2_ext_control(&ext_ctrl[count++], V4L2_CID_MPEG_AUDIO_MODE,
|
|
pvr->audio_mode);
|
|
|
|
add_v4l2_ext_control(&ext_ctrl[count++], V4L2_CID_MPEG_VIDEO_BITRATE,
|
|
pvr->bitrate);
|
|
|
|
add_v4l2_ext_control(&ext_ctrl[count++], V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
|
|
pvr->bitrate_peak);
|
|
|
|
add_v4l2_ext_control(&ext_ctrl[count++], V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
|
|
pvr->bitrate_mode);
|
|
|
|
add_v4l2_ext_control(&ext_ctrl[count++], V4L2_CID_MPEG_STREAM_TYPE,
|
|
pvr->stream_type);
|
|
|
|
/* set new encoding settings */
|
|
ctrls.ctrl_class = V4L2_CTRL_CLASS_MPEG;
|
|
ctrls.count = count;
|
|
ctrls.controls = ext_ctrl;
|
|
|
|
if (ioctl(pvr->dev_fd, VIDIOC_S_EXT_CTRLS, &ctrls) < 0) {
|
|
MP_ERR(pvr, "Error setting MPEG controls (%s).\n", mp_strerror(errno));
|
|
free(ext_ctrl);
|
|
return -1;
|
|
}
|
|
|
|
free(ext_ctrl);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void parse_v4l2_tv_options(struct pvr_t *pvr)
|
|
{
|
|
if (!pvr)
|
|
return;
|
|
|
|
/* Create our station/channel list */
|
|
parse_setup_stationlist(pvr);
|
|
|
|
if (pvr->param_channel) {
|
|
if (set_station_by_channelname_or_freq(pvr, pvr->param_channel,
|
|
-1, 0) >= 0) {
|
|
if (pvr->tv_params->freq) {
|
|
MP_INFO(pvr, "tv param freq %s is overwritten by channel "
|
|
"setting freq %d\n", pvr->tv_params->freq, pvr->freq);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (pvr->freq < 0 && pvr->tv_params->freq) {
|
|
MP_INFO(pvr, "tv param freq %s is used directly\n",
|
|
pvr->tv_params->freq);
|
|
|
|
if (set_station_by_channelname_or_freq(pvr, NULL,
|
|
atoi(pvr->tv_params->freq),
|
|
0) < 0) {
|
|
MP_WARN(pvr, "tv param freq %s invalid to set station\n",
|
|
pvr->tv_params->freq);
|
|
}
|
|
}
|
|
|
|
if (pvr->tv_params->device) {
|
|
free(pvr->video_dev);
|
|
pvr->video_dev = strdup(pvr->tv_params->device);
|
|
}
|
|
|
|
if (!pvr->tv_params->audio)
|
|
pvr->mute = !pvr->tv_params->audio;
|
|
|
|
if (pvr->tv_params->input)
|
|
pvr->input = pvr->tv_params->input;
|
|
|
|
if (pvr->tv_params->normid)
|
|
pvr->normid = pvr->tv_params->normid;
|
|
|
|
if (pvr->tv_params->brightness)
|
|
pvr->brightness = pvr->tv_params->brightness;
|
|
|
|
if (pvr->tv_params->contrast)
|
|
pvr->contrast = pvr->tv_params->contrast;
|
|
|
|
if (pvr->tv_params->hue)
|
|
pvr->hue = pvr->tv_params->hue;
|
|
|
|
if (pvr->tv_params->saturation)
|
|
pvr->saturation = pvr->tv_params->saturation;
|
|
|
|
if (pvr->tv_params->width)
|
|
pvr->width = pvr->tv_params->width;
|
|
|
|
if (pvr->tv_params->height)
|
|
pvr->height = pvr->tv_params->height;
|
|
}
|
|
|
|
static int set_v4l2_settings(struct pvr_t *pvr)
|
|
{
|
|
if (!pvr)
|
|
return -1;
|
|
|
|
if (pvr->dev_fd < 0)
|
|
return -1;
|
|
|
|
/* -tv noaudio */
|
|
if (pvr->mute) {
|
|
struct v4l2_control ctrl;
|
|
ctrl.id = V4L2_CID_AUDIO_MUTE;
|
|
ctrl.value = 1;
|
|
if (ioctl(pvr->dev_fd, VIDIOC_S_CTRL, &ctrl) < 0) {
|
|
MP_ERR(pvr, "can't mute (%s).\n", mp_strerror(errno));
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* -tv input=x */
|
|
if (pvr->input != 0) {
|
|
if (ioctl(pvr->dev_fd, VIDIOC_S_INPUT, &pvr->input) < 0) {
|
|
MP_ERR(pvr, "can't set input (%s)\n", mp_strerror(errno));
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* -tv normid=x */
|
|
if (pvr->normid != -1) {
|
|
struct v4l2_standard std;
|
|
std.index = pvr->normid;
|
|
|
|
if (ioctl(pvr->dev_fd, VIDIOC_ENUMSTD, &std) < 0) {
|
|
MP_ERR(pvr, "can't set norm (%s)\n", mp_strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
MP_VERBOSE(pvr, "set norm to %s\n", std.name);
|
|
|
|
if (ioctl(pvr->dev_fd, VIDIOC_S_STD, &std.id) < 0) {
|
|
MP_ERR(pvr, "can't set norm (%s)\n", mp_strerror(errno));
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* -tv brightness=x */
|
|
if (pvr->brightness != 0) {
|
|
struct v4l2_control ctrl;
|
|
ctrl.id = V4L2_CID_BRIGHTNESS;
|
|
ctrl.value = pvr->brightness;
|
|
|
|
if (ctrl.value < 0)
|
|
ctrl.value = 0;
|
|
if (ctrl.value > 255)
|
|
ctrl.value = 255;
|
|
|
|
if (ioctl(pvr->dev_fd, VIDIOC_S_CTRL, &ctrl) < 0) {
|
|
MP_ERR(pvr, "can't set brightness to %d (%s).\n",
|
|
ctrl.value, mp_strerror(errno));
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* -tv contrast=x */
|
|
if (pvr->contrast != 0) {
|
|
struct v4l2_control ctrl;
|
|
ctrl.id = V4L2_CID_CONTRAST;
|
|
ctrl.value = pvr->contrast;
|
|
|
|
if (ctrl.value < 0)
|
|
ctrl.value = 0;
|
|
if (ctrl.value > 127)
|
|
ctrl.value = 127;
|
|
|
|
if (ioctl(pvr->dev_fd, VIDIOC_S_CTRL, &ctrl) < 0) {
|
|
MP_ERR(pvr, "can't set contrast to %d (%s).\n",
|
|
ctrl.value, mp_strerror(errno));
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* -tv hue=x */
|
|
if (pvr->hue != 0) {
|
|
struct v4l2_control ctrl;
|
|
ctrl.id = V4L2_CID_HUE;
|
|
ctrl.value = pvr->hue;
|
|
|
|
if (ctrl.value < -128)
|
|
ctrl.value = -128;
|
|
if (ctrl.value > 127)
|
|
ctrl.value = 127;
|
|
|
|
if (ioctl(pvr->dev_fd, VIDIOC_S_CTRL, &ctrl) < 0) {
|
|
MP_ERR(pvr, "can't set hue to %d (%s).\n",
|
|
ctrl.value, mp_strerror(errno));
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* -tv saturation=x */
|
|
if (pvr->saturation != 0) {
|
|
struct v4l2_control ctrl;
|
|
ctrl.id = V4L2_CID_SATURATION;
|
|
ctrl.value = pvr->saturation;
|
|
|
|
if (ctrl.value < 0)
|
|
ctrl.value = 0;
|
|
if (ctrl.value > 127)
|
|
ctrl.value = 127;
|
|
|
|
if (ioctl(pvr->dev_fd, VIDIOC_S_CTRL, &ctrl) < 0) {
|
|
MP_ERR(pvr, "can't set saturation to %d (%s).\n",
|
|
ctrl.value, mp_strerror(errno));
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* -tv width=x:height=y */
|
|
if (pvr->width && pvr->height) {
|
|
struct v4l2_format vfmt;
|
|
vfmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
|
vfmt.fmt.pix.width = pvr->width;
|
|
vfmt.fmt.pix.height = pvr->height;
|
|
|
|
if (ioctl(pvr->dev_fd, VIDIOC_S_FMT, &vfmt) < 0) {
|
|
MP_ERR(pvr, "can't set resolution to %dx%d (%s).\n",
|
|
pvr->width, pvr->height, mp_strerror(errno));
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (pvr->freq < 0) {
|
|
int freq = get_v4l2_freq(pvr);
|
|
MP_INFO(pvr, "Using current set frequency %d, to set channel\n", freq);
|
|
|
|
if (0 < freq)
|
|
return set_station_by_channelname_or_freq(pvr, NULL, freq, 1);
|
|
}
|
|
|
|
if (0 < pvr->freq)
|
|
return set_v4l2_freq(pvr);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int v4l2_list_capabilities(struct pvr_t *pvr)
|
|
{
|
|
struct v4l2_audio vaudio;
|
|
struct v4l2_standard vs;
|
|
struct v4l2_input vin;
|
|
int err = 0;
|
|
|
|
if (!pvr)
|
|
return -1;
|
|
|
|
if (pvr->dev_fd < 0)
|
|
return -1;
|
|
|
|
/* list available video inputs */
|
|
vin.index = 0;
|
|
err = 1;
|
|
MP_INFO(pvr, "Available video inputs: ");
|
|
while (ioctl(pvr->dev_fd, VIDIOC_ENUMINPUT, &vin) >= 0) {
|
|
err = 0;
|
|
MP_INFO(pvr, "'#%d, %s' ", vin.index, vin.name);
|
|
vin.index++;
|
|
}
|
|
if (err) {
|
|
MP_INFO(pvr, "none\n");
|
|
return -1;
|
|
} else {
|
|
MP_INFO(pvr, "\n");
|
|
}
|
|
|
|
/* list available audio inputs */
|
|
vaudio.index = 0;
|
|
err = 1;
|
|
MP_INFO(pvr, "Available audio inputs: ");
|
|
while (ioctl(pvr->dev_fd, VIDIOC_ENUMAUDIO, &vaudio) >= 0) {
|
|
err = 0;
|
|
MP_INFO(pvr, "'#%d, %s' ", vaudio.index, vaudio.name);
|
|
vaudio.index++;
|
|
}
|
|
if (err) {
|
|
MP_INFO(pvr, "none\n");
|
|
return -1;
|
|
} else {
|
|
MP_INFO(pvr, "\n");
|
|
}
|
|
|
|
/* list available norms */
|
|
vs.index = 0;
|
|
MP_INFO(pvr, "Available norms: ");
|
|
while (ioctl(pvr->dev_fd, VIDIOC_ENUMSTD, &vs) >= 0) {
|
|
err = 0;
|
|
MP_INFO(pvr, "'#%d, %s' ", vs.index, vs.name);
|
|
vs.index++;
|
|
}
|
|
if (err) {
|
|
MP_INFO(pvr, "none\n");
|
|
return -1;
|
|
} else {
|
|
MP_INFO(pvr, "\n");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int v4l2_display_settings(struct pvr_t *pvr)
|
|
{
|
|
struct v4l2_audio vaudio;
|
|
struct v4l2_standard vs;
|
|
struct v4l2_input vin;
|
|
v4l2_std_id std;
|
|
int input;
|
|
|
|
if (!pvr)
|
|
return -1;
|
|
|
|
if (pvr->dev_fd < 0)
|
|
return -1;
|
|
|
|
/* get current video input */
|
|
if (ioctl(pvr->dev_fd, VIDIOC_G_INPUT, &input) == 0) {
|
|
vin.index = input;
|
|
if (ioctl(pvr->dev_fd, VIDIOC_ENUMINPUT, &vin) < 0) {
|
|
MP_ERR(pvr, "can't get input (%s).\n", mp_strerror(errno));
|
|
return -1;
|
|
} else {
|
|
MP_INFO(pvr, "Video input: %s\n", vin.name);
|
|
}
|
|
} else {
|
|
MP_ERR(pvr, "can't get input (%s).\n", mp_strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
/* get current audio input */
|
|
if (ioctl(pvr->dev_fd, VIDIOC_G_AUDIO, &vaudio) == 0) {
|
|
MP_INFO(pvr, "Audio input: %s\n", vaudio.name);
|
|
} else {
|
|
MP_ERR(pvr, "can't get input (%s).\n", mp_strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
/* get current video format */
|
|
if (ioctl(pvr->dev_fd, VIDIOC_G_STD, &std) == 0) {
|
|
vs.index = 0;
|
|
|
|
while (ioctl(pvr->dev_fd, VIDIOC_ENUMSTD, &vs) >= 0) {
|
|
if (vs.id == std) {
|
|
MP_INFO(pvr, "Norm: %s.\n", vs.name);
|
|
break;
|
|
}
|
|
vs.index++;
|
|
}
|
|
} else {
|
|
MP_ERR(pvr, "can't get norm (%s)\n", mp_strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* stream layer */
|
|
|
|
static void pvr_stream_close(stream_t *stream)
|
|
{
|
|
struct pvr_t *pvr;
|
|
|
|
if (!stream)
|
|
return;
|
|
|
|
pvr = (struct pvr_t *) stream->priv;
|
|
pvr_uninit(pvr);
|
|
}
|
|
|
|
static int pvr_stream_read(stream_t *stream, char *buffer, int size)
|
|
{
|
|
struct pollfd pfds[1];
|
|
struct pvr_t *pvr;
|
|
int rk, fd, pos;
|
|
|
|
if (!stream || !buffer)
|
|
return 0;
|
|
|
|
pvr = (struct pvr_t *) stream->priv;
|
|
fd = pvr->dev_fd;
|
|
pos = 0;
|
|
|
|
if (fd < 0)
|
|
return 0;
|
|
|
|
while (pos < size) {
|
|
pfds[0].fd = fd;
|
|
pfds[0].events = POLLIN | POLLPRI;
|
|
|
|
rk = size - pos;
|
|
|
|
int r = poll(pfds, 1, 5000);
|
|
if (r <= 0) {
|
|
if (r < 0) {
|
|
MP_ERR(pvr, "failed with '%s' when reading %d bytes\n",
|
|
mp_strerror(errno), size - pos);
|
|
} else {
|
|
MP_ERR(pvr, "timeout when trying to read from device\n");
|
|
}
|
|
break;
|
|
}
|
|
|
|
rk = read(fd, &buffer[pos], rk);
|
|
if (rk > 0) {
|
|
pos += rk;
|
|
MP_TRACE(pvr, "read (%d) bytes\n", pos);
|
|
}
|
|
}
|
|
|
|
if (!pos)
|
|
MP_ERR(pvr, "read %d bytes\n", pos);
|
|
|
|
return pos;
|
|
}
|
|
|
|
static int pvr_stream_open(stream_t *stream)
|
|
{
|
|
struct v4l2_capability vcap;
|
|
struct v4l2_ext_controls ctrls;
|
|
struct pvr_t *pvr = NULL;
|
|
|
|
pvr = pvr_init();
|
|
pvr->tv_params = stream->opts->tv_params;
|
|
pvr->log = stream->log;
|
|
pvr->params = stream->opts->stream_pvr_opts;
|
|
|
|
/**
|
|
* if the url, i.e. 'pvr://8', contains the channel, use it,
|
|
* else use the tv parameter.
|
|
*/
|
|
if (stream->url && strlen(stream->url) > 6 && stream->url[6] != '\0') {
|
|
pvr->param_channel = strdup(stream->url + 6);
|
|
} else if (pvr->tv_params->channel && strlen(pvr->tv_params->channel)) {
|
|
pvr->param_channel = strdup(pvr->tv_params->channel);
|
|
}
|
|
|
|
parse_v4l2_tv_options(pvr);
|
|
parse_encoder_options(pvr);
|
|
|
|
/* open device */
|
|
pvr->dev_fd = open(pvr->video_dev, O_RDWR | O_CLOEXEC);
|
|
MP_INFO(pvr, "Using device %s\n", pvr->video_dev);
|
|
if (pvr->dev_fd == -1) {
|
|
MP_ERR(pvr, "error opening device %s\n", pvr->video_dev);
|
|
pvr_uninit(pvr);
|
|
return STREAM_ERROR;
|
|
}
|
|
|
|
/* query capabilities (i.e test V4L2 support) */
|
|
if (ioctl(pvr->dev_fd, VIDIOC_QUERYCAP, &vcap) < 0) {
|
|
MP_ERR(pvr, "device is not V4L2 compliant (%s).\n", mp_strerror(errno));
|
|
pvr_uninit(pvr);
|
|
return STREAM_ERROR;
|
|
} else {
|
|
MP_INFO(pvr, "Detected %s\n", vcap.card);
|
|
}
|
|
|
|
/* check for a valid V4L2 capture device */
|
|
if (!(vcap.capabilities & V4L2_CAP_VIDEO_CAPTURE)) {
|
|
MP_ERR(pvr, "device is not a valid V4L2 capture device.\n");
|
|
pvr_uninit(pvr);
|
|
return STREAM_ERROR;
|
|
}
|
|
|
|
/* check for device hardware MPEG encoding capability */
|
|
ctrls.ctrl_class = V4L2_CTRL_CLASS_MPEG;
|
|
ctrls.count = 0;
|
|
ctrls.controls = NULL;
|
|
|
|
if (ioctl(pvr->dev_fd, VIDIOC_G_EXT_CTRLS, &ctrls) < 0) {
|
|
MP_ERR(pvr, "device do not support MPEG input.\n");
|
|
pvr_uninit(pvr);
|
|
return STREAM_ERROR;
|
|
}
|
|
|
|
/* list V4L2 capabilities */
|
|
if (v4l2_list_capabilities(pvr) == -1) {
|
|
MP_ERR(pvr, "can't get v4l2 capabilities\n");
|
|
pvr_uninit(pvr);
|
|
return STREAM_ERROR;
|
|
}
|
|
|
|
/* apply V4L2 settings */
|
|
if (set_v4l2_settings(pvr) == -1) {
|
|
MP_ERR(pvr, "can't set v4l2 settings\n");
|
|
pvr_uninit(pvr);
|
|
return STREAM_ERROR;
|
|
}
|
|
|
|
/* apply encoder settings */
|
|
if (set_encoder_settings(pvr) == -1) {
|
|
MP_ERR(pvr, "can't set encoder settings\n");
|
|
pvr_uninit(pvr);
|
|
return STREAM_ERROR;
|
|
}
|
|
|
|
/* display current V4L2 settings */
|
|
if (v4l2_display_settings(pvr) == -1) {
|
|
MP_ERR(pvr, "can't get v4l2 settings\n");
|
|
pvr_uninit(pvr);
|
|
return STREAM_ERROR;
|
|
}
|
|
|
|
stream->priv = pvr;
|
|
stream->fill_buffer = pvr_stream_read;
|
|
stream->close = pvr_stream_close;
|
|
stream->control = pvr_stream_control;
|
|
|
|
return STREAM_OK;
|
|
}
|
|
|
|
/* PVR Public API access */
|
|
|
|
#if 0
|
|
static const char *pvr_get_current_stationname(stream_t *stream)
|
|
{
|
|
struct pvr_t *pvr;
|
|
|
|
if (!stream || stream->type != STREAMTYPE_PVR)
|
|
return NULL;
|
|
|
|
pvr = (struct pvr_t *) stream->priv;
|
|
|
|
if (pvr->stationlist.list &&
|
|
pvr->stationlist.used > pvr->chan_idx &&
|
|
pvr->chan_idx >= 0)
|
|
return pvr->stationlist.list[pvr->chan_idx].station;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static const char *pvr_get_current_channelname(stream_t *stream)
|
|
{
|
|
struct pvr_t *pvr = (struct pvr_t *) stream->priv;
|
|
|
|
if (pvr->stationlist.list &&
|
|
pvr->stationlist.used > pvr->chan_idx &&
|
|
pvr->chan_idx >= 0)
|
|
return pvr->stationlist.list[pvr->chan_idx].name;
|
|
|
|
return NULL;
|
|
}
|
|
#endif
|
|
|
|
static int pvr_get_current_frequency(stream_t *stream)
|
|
{
|
|
struct pvr_t *pvr = (struct pvr_t *) stream->priv;
|
|
|
|
return pvr->freq;
|
|
}
|
|
|
|
static int pvr_set_channel(stream_t *stream, const char *channel)
|
|
{
|
|
struct pvr_t *pvr = (struct pvr_t *) stream->priv;
|
|
|
|
return set_station_by_channelname_or_freq(pvr, channel, -1, 1);
|
|
}
|
|
|
|
static int pvr_set_lastchannel(stream_t *stream)
|
|
{
|
|
struct pvr_t *pvr = (struct pvr_t *) stream->priv;
|
|
|
|
if (pvr->stationlist.list &&
|
|
pvr->stationlist.used > pvr->chan_idx_last &&
|
|
pvr->chan_idx_last >= 0)
|
|
return set_station_by_channelname_or_freq(
|
|
pvr, pvr->stationlist.list[pvr->chan_idx_last].name, -1, 1);
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int pvr_set_freq(stream_t *stream, int freq)
|
|
{
|
|
struct pvr_t *pvr = (struct pvr_t *) stream->priv;
|
|
|
|
return set_station_by_channelname_or_freq(pvr, NULL, freq, 1);
|
|
}
|
|
|
|
static int pvr_set_channel_step(stream_t *stream, int step)
|
|
{
|
|
struct pvr_t *pvr = (struct pvr_t *) stream->priv;
|
|
|
|
return set_station_by_step(pvr, step, 1);
|
|
}
|
|
|
|
static int pvr_stream_control(struct stream *s, int cmd, void *arg)
|
|
{
|
|
switch (cmd) {
|
|
case STREAM_CTRL_SET_TV_FREQ:
|
|
pvr_set_freq(s, (int)(*(float *)arg + 0.5f));
|
|
return STREAM_OK;
|
|
case STREAM_CTRL_GET_TV_FREQ:
|
|
*(float *)arg = pvr_get_current_frequency(s);
|
|
return STREAM_OK;
|
|
case STREAM_CTRL_TV_SET_CHAN:
|
|
pvr_set_channel(s, (char *)arg);
|
|
return STREAM_OK;
|
|
case STREAM_CTRL_TV_STEP_CHAN:
|
|
pvr_set_channel_step(s, *(int *)arg);
|
|
return STREAM_OK;
|
|
case STREAM_CTRL_TV_LAST_CHAN:
|
|
pvr_set_lastchannel(s);
|
|
return STREAM_OK;
|
|
}
|
|
return STREAM_UNSUPPORTED;
|
|
}
|
|
|
|
const stream_info_t stream_info_pvr = {
|
|
.name = "pvr",
|
|
.open = pvr_stream_open,
|
|
.protocols = (const char *const[]){ "pvr", NULL },
|
|
};
|