diff options
Diffstat (limited to 'stream/tvi_v4l.c')
| -rw-r--r-- | stream/tvi_v4l.c | 1910 |
1 files changed, 0 insertions, 1910 deletions
diff --git a/stream/tvi_v4l.c b/stream/tvi_v4l.c deleted file mode 100644 index 31f767850b..0000000000 --- a/stream/tvi_v4l.c +++ /dev/null @@ -1,1910 +0,0 @@ -/* - * Video 4 Linux input - * - * Copyright (C) 2001 Alex Beregszaszi - * - * Some ideas are based on xawtv/libng's grab-v4l.c written by - * Gerd Knorr <kraxel@bytesex.org> - * - * Multithreading, a/v sync and native ALSA support by - * Jindrich Makovicka <makovick@gmail.com> - * - * MJPEG hardware encoding support by - * Ivan Szanto <szivan@freemail.hu> - * - * CODE IS UNDER DEVELOPMENT, NO FEATURE REQUESTS PLEASE! - * - * This file is part of MPlayer. - * - * MPlayer is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * MPlayer is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with MPlayer; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" - -#include <stdio.h> -#include <errno.h> -#include <fcntl.h> -#include <sys/ioctl.h> -#include <sys/types.h> -#include <sys/time.h> - -/* Necessary to prevent collisions between <linux/time.h> and <sys/time.h> when V4L2 is installed. */ -#define _LINUX_TIME_H - -#include <linux/videodev.h> -#include <unistd.h> -#include <sys/mman.h> -#include <stdlib.h> -#include <string.h> -#include <pthread.h> -#ifdef HAVE_SYS_SYSINFO_H -#include <sys/sysinfo.h> -#endif - -#include "mp_msg.h" -#include "libaf/af_format.h" -#include "libmpcodecs/img_format.h" -#include "libmpcodecs/dec_teletext.h" -#include "libvo/fastmemcpy.h" -#include "libvo/videodev_mjpeg.h" - -#include "tv.h" - -#include "audio_in.h" - -static tvi_handle_t *tvi_init_v4l(tv_param_t* tv_param); - -const tvi_info_t tvi_info_v4l = { - tvi_init_v4l, - "Video 4 Linux input", - "v4l", - "Alex Beregszaszi", - "under development" -}; - -#define PAL_WIDTH 768 -#define PAL_HEIGHT 576 -#define PAL_FPS 25 - -#define NTSC_WIDTH 640 -#define NTSC_HEIGHT 480 -#define NTSC_FPS (30000.0/1001.0) - -#define MAX_AUDIO_CHANNELS 10 - -#define VID_BUF_SIZE_IMMEDIATE 2 -#define VIDEO_AVG_BUFFER_SIZE 600 - -typedef struct priv { - /* general */ - char *video_device; - int video_fd; - struct video_capability capability; - struct video_channel *channels; - int act_channel; - struct video_tuner tuner; - - /* video */ - struct video_picture picture; - int format; /* output format */ - int width; - int height; - int bytesperline; - float fps; - - struct video_mbuf mbuf; - unsigned char *mmap; - struct video_mmap *buf; - int nbuf; - - /* audio */ - char *audio_device; - audio_in_t audio_in; - - int audio_id; - struct video_audio audio[MAX_AUDIO_CHANNELS]; - int audio_channels[MAX_AUDIO_CHANNELS]; - - /* buffering stuff */ - int immediate_mode; - - int audio_buffer_size; - int aud_skew_cnt; - unsigned char *audio_ringbuffer; - long long *audio_skew_buffer; - volatile int audio_head; - volatile int audio_tail; - volatile int audio_cnt; - volatile long long audio_skew; - volatile double audio_skew_factor; - volatile long long audio_skew_measure_time; - volatile int audio_drop; - - int first; - int video_buffer_size_max; - volatile int video_buffer_size_current; - unsigned char **video_ringbuffer; - long long *video_timebuffer; - long long *video_avg_buffer; - int video_avg_ptr; - int video_interval_sum; - volatile int video_head; - volatile int video_tail; - volatile int video_cnt; - - volatile int shutdown; - - pthread_t audio_grabber_thread; - pthread_t video_grabber_thread; - pthread_mutex_t audio_starter; - pthread_mutex_t skew_mutex; - pthread_mutex_t video_buffer_mutex; - - long long starttime; - double audio_secs_per_block; - long long audio_skew_total; - long audio_recv_blocks_total; - long audio_sent_blocks_total; - long mjpeg_bufsize; - char *vbi_dev; - int vbi_fd; - int vbi_bufsize; - int vbi_shutdown; - pthread_t vbi_grabber_thread; - void *priv_vbi; - - tv_param_t *tv_param; -} priv_t; - -#include "tvi_def.h" - -static const char *device_cap2name[] = { - "capture", "tuner", "teletext", "overlay", "chromakey", "clipping", - "frameram", "scales", "monochrome", "subcapture", "mpeg-decoder", - "mpeg-encoder", "mjpeg-decoder", "mjpeg-encoder", NULL -}; - -static const char *device_palette2name[] = { - "-", "grey", "hi240", "rgb16", "rgb24", "rgb32", "rgb15", "yuv422", - "yuyv", "uyvy", "yuv420", "yuv411", "raw", "yuv422p", "yuv411p", - "yuv420p", "yuv410p" -}; -#define PALETTE(x) ((x < sizeof(device_palette2name)/sizeof(char*)) ? device_palette2name[x] : "UNKNOWN") - -static const struct { - char* name; - int normid; - int tuner_flags; - int tuner_mode; - int input_norm; - float fps; -} supported_norms[]={ - {"pal", TV_NORM_PAL, VIDEO_TUNER_PAL, VIDEO_MODE_PAL, VIDEO_MODE_PAL, PAL_FPS }, - {"ntsc", TV_NORM_NTSC, VIDEO_TUNER_NTSC, VIDEO_MODE_NTSC, VIDEO_MODE_NTSC, NTSC_FPS}, - {"secam", TV_NORM_SECAM, VIDEO_TUNER_SECAM, VIDEO_MODE_SECAM,VIDEO_MODE_SECAM,PAL_FPS }, - {"palnc", TV_NORM_PALNC, VIDEO_TUNER_PAL, VIDEO_MODE_PAL, 3, PAL_FPS }, - {"palm", TV_NORM_PALM, VIDEO_TUNER_NTSC, VIDEO_MODE_NTSC, 4, NTSC_FPS}, - {"paln", TV_NORM_PALN, VIDEO_TUNER_PAL, VIDEO_MODE_PAL, 5, PAL_FPS }, - {"ntscjp",TV_NORM_NTSCJP, VIDEO_TUNER_NTSC, VIDEO_MODE_NTSC, 6, NTSC_FPS}, - {"auto", -1, -1, -1, VIDEO_MODE_AUTO, -1 }, - {NULL, -1, -1, -1, -1 } -}; - -static const char *norm2name(int mode) -{ - int i; - for(i=0;supported_norms[i].name; i++) - if(supported_norms[i].input_norm==mode) - return supported_norms[i].name; - return "unknown"; -}; - -static const char *audio_mode2name(int mode) -{ - switch (mode) { - case VIDEO_SOUND_MONO: - return "mono"; - case VIDEO_SOUND_STEREO: - return "stereo"; - case VIDEO_SOUND_LANG1: - return "language1"; - case VIDEO_SOUND_LANG2: - return "language2"; - default: - return "unknown"; - } -}; - -static void *audio_grabber(void *data); -static void *video_grabber(void *data); - -static int palette2depth(int palette) -{ - switch(palette) - { - /* component */ - case VIDEO_PALETTE_RGB555: - return 15; - case VIDEO_PALETTE_RGB565: - return 16; - case VIDEO_PALETTE_RGB24: - return 24; - case VIDEO_PALETTE_RGB32: - return 32; - /* planar */ - case VIDEO_PALETTE_YUV411P: - case VIDEO_PALETTE_YUV420P: - case VIDEO_PALETTE_YUV410P: - return 12; - /* packed */ - case VIDEO_PALETTE_YUV422P: - case VIDEO_PALETTE_YUV422: - case VIDEO_PALETTE_YUYV: - case VIDEO_PALETTE_UYVY: - case VIDEO_PALETTE_YUV420: - case VIDEO_PALETTE_YUV411: - return 16; - } - return -1; -} - -static int format2palette(int format) -{ - switch(format) - { - case IMGFMT_BGR15: - return VIDEO_PALETTE_RGB555; - case IMGFMT_BGR16: - return VIDEO_PALETTE_RGB565; - case IMGFMT_BGR24: - return VIDEO_PALETTE_RGB24; - case IMGFMT_BGR32: - return VIDEO_PALETTE_RGB32; - case IMGFMT_YV12: - case IMGFMT_I420: - return VIDEO_PALETTE_YUV420P; - case IMGFMT_YUY2: - return VIDEO_PALETTE_YUV422; - case IMGFMT_UYVY: - return VIDEO_PALETTE_UYVY; - } - return -1; -} - -// sets and sanitizes audio buffer/block sizes -static void setup_audio_buffer_sizes(priv_t *priv) -{ - int bytes_per_sample = priv->audio_in.bytes_per_sample; - - // make the audio buffer at least 5 seconds long - priv->audio_buffer_size = 1 + 5*priv->audio_in.samplerate - *priv->audio_in.channels - *bytes_per_sample/priv->audio_in.blocksize; - if (priv->audio_buffer_size < 256) priv->audio_buffer_size = 256; - - // make the skew buffer at least 1 second long - priv->aud_skew_cnt = 1 + 1*priv->audio_in.samplerate - *priv->audio_in.channels - *bytes_per_sample/priv->audio_in.blocksize; - if (priv->aud_skew_cnt < 16) priv->aud_skew_cnt = 16; - - mp_msg(MSGT_TV, MSGL_V, "Audio capture - buffer %d blocks of %d bytes, skew average from %d meas.\n", - priv->audio_buffer_size, priv->audio_in.blocksize, priv->aud_skew_cnt); -} - -static tvi_handle_t *tvi_init_v4l(tv_param_t* tv_param) -{ - tvi_handle_t *h; - priv_t *priv; - - h = tv_new_handle(sizeof(priv_t), &functions); - if (!h) - return NULL; - - priv = h->priv; - - /* set video device name */ - if (!tv_param->device) - priv->video_device = strdup("/dev/video0"); - else - priv->video_device = strdup(tv_param->device); - - /* set video device name */ - if (!tv_param->adevice) - priv->audio_device = NULL; - else { - priv->audio_device = strdup(tv_param->adevice); - } - - /* allocation failed */ - if (!priv->video_device) { - tv_free_handle(h); - return NULL; - } - - priv->tv_param=tv_param; - return h; -} - -/* retrieves info about audio channels from the BTTV */ -static void init_v4l_audio(priv_t *priv) -{ - int i; - int reqmode; - - if (!priv->capability.audios) return; - - /* audio chanlist */ - - mp_msg(MSGT_TV, MSGL_V, " Audio devices: %d\n", priv->capability.audios); - - mp_msg(MSGT_TV, MSGL_V, "Video capture card reports the audio setup as follows:\n"); - for (i = 0; i < priv->capability.audios; i++) - { - if (i >= MAX_AUDIO_CHANNELS) - { - mp_msg(MSGT_TV, MSGL_ERR, "no space for more audio channels (increase in source!) (%d > %d)\n", - i, MAX_AUDIO_CHANNELS); - i = priv->capability.audios; - break; - } - - priv->audio[i].audio = i; - if (ioctl(priv->video_fd, VIDIOCGAUDIO, &priv->audio[i]) == -1) - { - mp_msg(MSGT_TV, MSGL_ERR, "ioctl get audio failed: %s\n", strerror(errno)); - break; - } - - /* mute all channels */ - priv->audio[i].flags |= VIDEO_AUDIO_MUTE; - reqmode = -1; - if (priv->tv_param->amode >= 0) { - switch (priv->tv_param->amode) { - case 0: - reqmode = VIDEO_SOUND_MONO; - break; - case 1: - reqmode = VIDEO_SOUND_STEREO; - break; - case 2: - reqmode = VIDEO_SOUND_LANG1; - break; - case 3: - reqmode = VIDEO_SOUND_LANG2; - break; - default: - mp_msg(MSGT_TV, MSGL_ERR, "Unknown audio mode requested.\n"); - break; - } - if (reqmode >= 0) priv->audio[i].mode = reqmode; - } - ioctl(priv->video_fd, VIDIOCSAUDIO, &priv->audio[i]); - - // get the parameters back - if (ioctl(priv->video_fd, VIDIOCGAUDIO, &priv->audio[i]) == -1) - { - mp_msg(MSGT_TV, MSGL_ERR, "ioctl get audio failed: %s\n", strerror(errno)); - break; - } - - switch(priv->audio[i].mode) - { - case VIDEO_SOUND_MONO: - case VIDEO_SOUND_LANG1: - case VIDEO_SOUND_LANG2: - priv->audio_channels[i] = 1; - break; - case VIDEO_SOUND_STEREO: - priv->audio_channels[i] = 2; - break; - default: - mp_msg(MSGT_TV, MSGL_ERR, "Card reports an unknown audio mode !\n"); - mp_msg(MSGT_TV, MSGL_ERR, "Trying two channel audio. Use forcechan to override.\n"); - priv->audio_channels[i] = 2; - break; - } - - if (reqmode >= 0 && priv->audio[i].mode != reqmode) { - mp_msg(MSGT_TV, MSGL_ERR, "Audio mode setup warning!\n"); - mp_msg(MSGT_TV, MSGL_ERR, "Requested mode was %s, but v4l still reports %s.\n", - audio_mode2name(reqmode), audio_mode2name(priv->audio[i].mode)); - mp_msg(MSGT_TV, MSGL_ERR, "You may need \"forcechan\" option to force stereo/mono audio recording.\n"); - } - - /* display stuff */ - mp_msg(MSGT_TV, MSGL_V, " %d: %s: ", priv->audio[i].audio, - priv->audio[i].name); - if (priv->audio[i].flags & VIDEO_AUDIO_MUTABLE) { - mp_msg(MSGT_TV, MSGL_V, "muted=%s ", - (priv->audio[i].flags & VIDEO_AUDIO_MUTE) ? "yes" : "no"); - } - mp_msg(MSGT_TV, MSGL_V, "vol=%d bass=%d treble=%d balance=%d mode=%s", - priv->audio[i].volume, priv->audio[i].bass, priv->audio[i].treble, - priv->audio[i].balance, audio_mode2name(priv->audio[i].mode)); - mp_msg(MSGT_TV, MSGL_V, " chan=%d\n", priv->audio_channels[i]); - - if (priv->tv_param->forcechan >= 0) - priv->audio_channels[i] = priv->tv_param->forcechan; - - // we'll call VIDIOCSAUDIO again when starting capture - // let's set audio mode to requested mode again for the case - // when VIDIOCGAUDIO just cannot report the mode correctly - if (reqmode >= 0) priv->audio[i].mode = reqmode; - } -} - -#if !defined(__LINUX_VIDEODEV2_H) && !defined(VIDIOC_QUERYCAP) -struct v4l2_capability -{ - __u8 driver[16]; /* i.e. "bttv" */ - __u8 card[32]; /* i.e. "Hauppauge WinTV" */ - __u8 bus_info[32]; /* "PCI:" + pci_dev->slot_name */ - __u32 version; /* should use KERNEL_VERSION() */ - __u32 capabilities; /* Device capabilities */ - __u32 reserved[4]; -}; - -#define VIDIOC_QUERYCAP _IOR ('V', 0, struct v4l2_capability) -#endif - -static int init(priv_t *priv) -{ - int i; - - if (priv->tv_param->immediate == 1) - priv->tv_param->noaudio = 1; - - priv->video_ringbuffer = NULL; - priv->video_timebuffer = NULL; - priv->video_avg_buffer = NULL; - priv->audio_ringbuffer = NULL; - priv->audio_skew_buffer = NULL; - - priv->video_fd = open(priv->video_device, O_RDWR); - mp_msg(MSGT_TV, MSGL_DBG2, "Video fd: %d, %p\n", priv->video_fd, - priv->video_device); - if (priv->video_fd == -1) - { - mp_msg(MSGT_TV, MSGL_ERR, "unable to open '%s': %s\n", - priv->video_device, strerror(errno)); - goto err; - } - - /* check for v4l2 */ - if (ioctl(priv->video_fd, VIDIOC_QUERYCAP, &priv->capability) == 0) { - mp_msg(MSGT_TV, MSGL_ERR, "=================================================================\n"); - mp_msg(MSGT_TV, MSGL_ERR, " WARNING: YOU ARE USING V4L DEMUXER WITH V4L2 DRIVERS!!!\n"); - mp_msg(MSGT_TV, MSGL_ERR, " As the V4L1 compatibility layer is broken, this may not work.\n"); - mp_msg(MSGT_TV, MSGL_ERR, " If you encounter any problems, use driver=v4l2 instead.\n"); - mp_msg(MSGT_TV, MSGL_ERR, " Bugreports on driver=v4l with v4l2 drivers will be ignored.\n"); - mp_msg(MSGT_TV, MSGL_ERR, "=================================================================\n"); - } - - /* get capabilities (priv->capability is needed!) */ - if (ioctl(priv->video_fd, VIDIOCGCAP, &priv->capability) == -1) - { - mp_msg(MSGT_TV, MSGL_ERR, "ioctl get capabilities failed: %s\n", strerror(errno)); - goto err; - } - - fcntl(priv->video_fd, F_SETFD, FD_CLOEXEC); - - mp_msg(MSGT_TV, MSGL_INFO, "Selected device: %s\n", priv->capability.name); - mp_msg(MSGT_TV, MSGL_INFO, " Capabilities: "); - for (i = 0; device_cap2name[i] != NULL; i++) - if (priv->capability.type & (1 << i)) - mp_msg(MSGT_TV, MSGL_INFO, "%s ", device_cap2name[i]); - mp_msg(MSGT_TV, MSGL_INFO, "\n"); - mp_msg(MSGT_TV, MSGL_INFO, " Device type: %d\n", priv->capability.type); - mp_msg(MSGT_TV, MSGL_INFO, " Supported sizes: %dx%d => %dx%d\n", - priv->capability.minwidth, priv->capability.minheight, - priv->capability.maxwidth, priv->capability.maxheight); - priv->width = priv->capability.minwidth; - priv->height = priv->capability.minheight; - - /* somewhere here could disable priv->tv_param->mjpeg, if it is not a capability */ - - /* initialize if necessary */ - if ( priv->tv_param->mjpeg ) - { - struct mjpeg_params bparm; - struct mjpeg_requestbuffers breq; /* buffer requests */ - - if (ioctl(priv->video_fd, MJPIOC_G_PARAMS, &bparm) < 0) - { - mp_msg(MSGT_TV, MSGL_ERR, - " MJP: Error getting video parameters: %s\n", strerror(errno)); - goto err; - } - - mp_msg(MSGT_TV, MSGL_INFO, - " MJP: previous params: x: %d, y: %d, w: %d, h: %d, decim: %d, fields: %d,\n", - bparm.img_x, bparm.img_y, bparm.img_width, bparm.img_height, - bparm.decimation, bparm.field_per_buff); - - mp_msg(MSGT_TV, MSGL_INFO, - " MJP: HorDcm: %d, VerDcm: %d, TmpDcm: %d\n", - bparm.HorDcm, bparm.VerDcm, bparm.TmpDcm); - - bparm.input = priv->tv_param->input; /* tv */ - if (!strcasecmp(priv->tv_param->norm, "pal")) - bparm.norm = 0; /* PAL */ - else if (!strcasecmp(priv->tv_param->norm, "ntsc")) - bparm.norm = 1; /* NTSC */ - else if (!strcasecmp(priv->tv_param->norm, "secam")) - bparm.norm = 2; /* SECAM */ - bparm.quality = priv->tv_param->quality; - bparm.decimation = priv->tv_param->decimation; - - mp_msg(MSGT_TV, MSGL_INFO, " MJP: setting params to decimation: %d, quality: %d\n", - bparm.decimation, bparm.quality); - - if (ioctl(priv->video_fd, MJPIOC_S_PARAMS, &bparm) < 0) - { - mp_msg(MSGT_TV, MSGL_ERR, - " MJP: Error setting video parameters: %s\n", strerror(errno)); - goto err; - } - - if (ioctl(priv->video_fd, MJPIOC_G_PARAMS, &bparm) < 0) - { - mp_msg(MSGT_TV, MSGL_ERR, - " MJP: Error getting video parameters: %s\n", strerror(errno)); - goto err; - } - - mp_msg(MSGT_TV, MSGL_INFO, - " MJP: current params: x: %d, y: %d, w: %d, h: %d, decim: %d, fields: %d,\n", - bparm.img_x, bparm.img_y, bparm.img_width, bparm.img_height, - bparm.decimation, bparm.field_per_buff); - - mp_msg(MSGT_TV, MSGL_INFO, - " MJP: HorDcm: %d, VerDcm: %d, TmpDcm: %d\n", - bparm.HorDcm, bparm.VerDcm, bparm.TmpDcm); - - - breq.count = 64; - priv -> nbuf = breq.count; - priv->mbuf.frames = priv -> nbuf; - priv->mjpeg_bufsize = 256*1024; - if (priv->tv_param->buffer_size >= 0) - priv->mjpeg_bufsize = priv->tv_param->buffer_size*1024; - breq.size = priv -> mjpeg_bufsize; - if (ioctl(priv->video_fd, MJPIOC_REQBUFS,&(breq)) < 0) - { - mp_msg (MSGT_TV, MSGL_ERR, - " MJP: Error requesting video buffers: %s\n", strerror(errno)); - goto err; - } - mp_msg(MSGT_TV, MSGL_INFO, - " MJP: Got %ld buffers of size %ld KB\n", - breq.count, breq.size/1024); - - priv -> mmap = mmap(0, breq.count * breq.size, - PROT_READ|PROT_WRITE, MAP_SHARED, priv->video_fd, 0); - if (priv -> mmap == MAP_FAILED) - { - mp_msg(MSGT_TV, MSGL_INFO, - " MJP: Error mapping video buffers: %s\n", strerror(errno)); - goto err; - } - } - - mp_msg(MSGT_TV, MSGL_INFO, " Inputs: %d\n", priv->capability.channels); - priv->channels = calloc(priv->capability.channels, sizeof(struct video_channel)); - if (!priv->channels) - goto malloc_failed; - memset(priv->channels, 0, sizeof(struct video_channel)*priv->capability.channels); - for (i = 0; i < priv->capability.channels; i++) - { - priv->channels[i].channel = i; - if (ioctl(priv->video_fd, VIDIOCGCHAN, &priv->channels[i]) == -1) - { - mp_msg(MSGT_TV, MSGL_ERR, "ioctl get channel failed: %s\n", strerror(errno)); - break; - } - mp_msg(MSGT_TV, MSGL_INFO, " %d: %s: %s%s%s%s (tuner:%d, norm:%s)\n", i, - priv->channels[i].name, - (priv->channels[i].flags & VIDEO_VC_TUNER) ? "tuner " : "", - (priv->channels[i].flags & VIDEO_VC_AUDIO) ? "audio " : "", - (priv->channels[i].flags & VIDEO_TYPE_TV) ? "tv " : "", - (priv->channels[i].flags & VIDEO_TYPE_CAMERA) ? "camera " : "", - priv->channels[i].tuners, - norm2name(priv->channels[i].norm)); - } - priv->act_channel = 0; - - if (!(priv->capability.type & VID_TYPE_CAPTURE)) - { - mp_msg(MSGT_TV, MSGL_ERR, "Only grabbing supported (for overlay use another program)\n"); - goto err; - } - - - /* init v4l audio even when we don't capture */ - init_v4l_audio(priv); - - if (!priv->capability.audios && !priv->tv_param->force_audio) priv->tv_param->noaudio = 1; - - /* audio init */ - if (!priv->tv_param->noaudio) { - -#ifdef CONFIG_ALSA - if (priv->tv_param->alsa) - audio_in_init(&priv->audio_in, AUDIO_IN_ALSA); - else - audio_in_init(&priv->audio_in, AUDIO_IN_OSS); -#else - audio_in_init(&priv->audio_in, AUDIO_IN_OSS); -#endif - - if (priv->audio_device) { - audio_in_set_device(&priv->audio_in, priv->audio_device); - } - - if (priv->tv_param->audio_id < priv->capability.audios) - priv->audio_id = priv->tv_param->audio_id; - else - priv->audio_id = 0; - audio_in_set_samplerate(&priv->audio_in, 44100); - if (priv->capability.audios) { - audio_in_set_channels(&priv->audio_in, priv->audio_channels[priv->audio_id]); - } else { - if (priv->tv_param->forcechan >= 0) { - audio_in_set_channels(&priv->audio_in, priv->tv_param->forcechan); - } else { - audio_in_set_channels(&priv->audio_in, 2); - } - } - if (audio_in_setup(&priv->audio_in) < 0) return 0; - setup_audio_buffer_sizes(priv); - } - - return 1; - -malloc_failed: - free(priv->channels); - free(priv->buf); -err: - if (priv->video_fd != -1) - close(priv->video_fd); - return 0; -} - -static int uninit(priv_t *priv) -{ - unsigned long num; - - priv->vbi_shutdown=1; - if(priv->vbi_grabber_thread) - pthread_join(priv->vbi_grabber_thread, NULL); - - teletext_control(priv->priv_vbi,TV_VBI_CONTROL_STOP,(void*)1); - priv->priv_vbi=NULL; - - if(priv->vbi_fd){ - close(priv->vbi_fd); - priv->vbi_fd=0; - } - - free(priv->vbi_dev); - priv->vbi_dev = NULL; - - priv->shutdown = 1; - - mp_msg(MSGT_TV, MSGL_V, "Waiting for threads to finish... "); - if (!priv->tv_param->noaudio) { - pthread_join(priv->audio_grabber_thread, NULL); - pthread_mutex_destroy(&priv->audio_starter); - pthread_mutex_destroy(&priv->skew_mutex); - } - pthread_mutex_destroy(&priv->video_buffer_mutex); - if(priv->video_grabber_thread) - pthread_join(priv->video_grabber_thread, NULL); - - mp_msg(MSGT_TV, MSGL_V, "done\n"); - - if (priv->capability.audios) { - priv->audio[priv->audio_id].flags |= VIDEO_AUDIO_MUTE; - ioctl(priv->video_fd, VIDIOCSAUDIO, &priv->audio[priv->audio_id]); - } - - if ( priv->tv_param->mjpeg ) - { - num = -1; - if (ioctl(priv->video_fd, MJPIOC_QBUF_CAPT, &num) < 0) - mp_msg(MSGT_TV, MSGL_ERR, "\n MJP: ioctl MJPIOC_QBUF_CAPT failed: %s\n", strerror(errno)); - } - else - { - // We need to munmap as close don't close mem mappings - if(munmap(priv->mmap,priv->mbuf.size)) - mp_msg(MSGT_TV, MSGL_ERR, "Munmap failed: %s\n",strerror(errno)); - } - - if(close(priv->video_fd)) - mp_msg(MSGT_TV, MSGL_ERR, "Close tv failed: %s\n",strerror(errno)); - - audio_in_uninit(&priv->audio_in); - - if (priv->video_ringbuffer) { - int i; - for (i = 0; i < priv->video_buffer_size_current; i++) { - free(priv->video_ringbuffer[i]); - } - free(priv->video_ringbuffer); - } - - free(priv->video_timebuffer); - free(priv->video_avg_buffer); - if (!priv->tv_param->noaudio) { - free(priv->audio_ringbuffer); - free(priv->audio_skew_buffer); - } - - return 1; -} - -static int get_capture_buffer_size(priv_t *priv) -{ - uint64_t bufsize; - int cnt; - - if (priv->tv_param->buffer_size >= 0) { - bufsize = priv->tv_param->buffer_size*1024*1024; - } else { -#ifdef HAVE_SYS_SYSINFO_H - struct sysinfo si; - - sysinfo(&si); - bufsize = (si.freeram/2)*si.mem_unit; - if (bufsize < 16*1024*1024) -#endif - bufsize = 16*1024*1024; - } - - cnt = bufsize/(priv->height*priv->bytesperline); - if (cnt < 2) cnt = 2; - - return cnt; -} - -static int vbi_init(priv_t* priv,char* device) -{ - int vbi_fd=0; - struct video_capability cap; - - if(!device) - return TVI_CONTROL_FALSE; - - priv->vbi_dev=strdup(device); - - vbi_fd=open(priv->vbi_dev,O_RDWR); - if(vbi_fd<0){ - mp_msg(MSGT_TV,MSGL_ERR,"vbi: could not open device %s\n",priv->vbi_dev); - return TVI_CONTROL_FALSE; - } - - if(ioctl(vbi_fd,VIDIOCGCAP,&cap)<0){ - mp_msg(MSGT_TV,MSGL_ERR,"vbi: Query capabilities failed for %s\n",priv->vbi_dev); - close(vbi_fd); - return TVI_CONTROL_FALSE; - } - if(!cap.type & VID_TYPE_CAPTURE){ - mp_msg(MSGT_TV,MSGL_ERR,"vbi: %s is not capture device\n",priv->vbi_dev); - close(vbi_fd); - return TVI_CONTROL_FALSE; - } - - priv->vbi_fd=vbi_fd; - mp_msg(MSGT_TV,MSGL_DBG3,"vbi: init ok\n"); - return TVI_CONTROL_TRUE; -} - -static int vbi_get_props(priv_t* priv,tt_stream_props* ptsp) -{ - struct vbi_format fmt; - int res; - if(!priv || !ptsp) - return TVI_CONTROL_FALSE; - - memset(&fmt,0,sizeof(struct vbi_format)); - if((res=ioctl(priv->vbi_fd,VIDIOCGVBIFMT,&fmt))<0){ - mp_msg(MSGT_TV,MSGL_ERR,"vbi_get_props: Query format failed: %x\n",res); - return TVI_CONTROL_FALSE; - } - - ptsp->interlaced=(fmt.flags& VBI_INTERLACED?1:0); - if(fmt.start[1]>0 && fmt.count[1]){ - if(fmt.start[1]>=286) - //625 - ptsp->offset=10.2e-6*fmt.sampling_rate; - else - //525 - ptsp->offset=9.2e-6*fmt.sampling_rate; - }else - ptsp->offset=9.7e-6*fmt.sampling_rate; - - ptsp->sampling_rate=fmt.sampling_rate; - ptsp->samples_per_line=fmt.samples_per_line, - - ptsp->count[0]=fmt.count[0]; - ptsp->count[1]=fmt.count[1]; - ptsp->bufsize = ptsp->samples_per_line * (ptsp->count[0] + ptsp->count[1]); - - mp_msg(MSGT_TV,MSGL_V,"vbi_get_props: sampling_rate=%d,offset:%d,samples_per_line: %d\n interlaced:%s, count=[%d,%d]\n", - ptsp->sampling_rate, - ptsp->offset, - ptsp->samples_per_line, - ptsp->interlaced?"Yes":"No", - ptsp->count[0], - ptsp->count[1]); - - return TVI_CONTROL_TRUE; -} - -static void *vbi_grabber(void *data) -{ - priv_t *priv = (priv_t *) data; - int bytes,seq,prev_seq; - unsigned char* buf; - tt_stream_props tsp; - - if(!priv->priv_vbi){ - mp_msg(MSGT_TV,MSGL_WARN,"vbi: vbi not initialized. stopping thread.\n"); - return NULL; - } - - if(vbi_get_props(priv,&tsp)!=TVI_CONTROL_TRUE) - return NULL; - - buf=malloc(tsp.bufsize); - seq=0; - prev_seq=0; - mp_msg(MSGT_TV,MSGL_V,"vbi: vbi capture thread started.\n"); - - while (!priv->vbi_shutdown){ - bytes=read(priv->vbi_fd,buf,tsp.bufsize); - if(bytes<0 && errno==EINTR) - continue; - if (bytes!=tsp.bufsize){ - mp_msg(MSGT_TV,MSGL_WARN,"vbi: expecting bytes: %d, got: %d",tsp.bufsize,bytes); - break; - } - seq=*(int*)(buf+bytes-4); - if(seq<=1) continue; - if (prev_seq && seq!=prev_seq+1){ - prev_seq=0; - seq=0; - } - prev_seq=seq; - teletext_control(priv->priv_vbi,TV_VBI_CONTROL_DECODE_PAGE,&buf); - mp_msg(MSGT_TV,MSGL_DBG3,"grabber: seq:%d\n",seq); - } - free(buf); - return NULL; -} - -static int start(priv_t *priv) -{ - int i; - int bytes_per_sample; - struct video_window win; - - if (ioctl(priv->video_fd, VIDIOCGPICT, &priv->picture) == -1) - { - mp_msg(MSGT_TV, MSGL_ERR, "ioctl get picture failed: %s\n", strerror(errno)); - return 0; - } - - priv->picture.palette = format2palette(priv->format); - priv->picture.depth = palette2depth(priv->picture.palette); - - if (priv->format != IMGFMT_BGR15) { - priv->bytesperline = priv->width * priv->picture.depth / 8; - } else { - priv->bytesperline = priv->width * 2; - } - - mp_msg(MSGT_TV, MSGL_V, "Picture values:\n"); - mp_msg(MSGT_TV, MSGL_V, " Depth: %d, Palette: %s (Format: %s)\n", priv->picture.depth, - PALETTE(priv->picture.palette), vo_format_name(priv->format)); - mp_msg(MSGT_TV, MSGL_V, " Brightness: %d, Hue: %d, Colour: %d, Contrast: %d\n", - priv->picture.brightness, priv->picture.hue, - priv->picture.colour, priv->picture.contrast); - - if (ioctl(priv->video_fd, VIDIOCSPICT, &priv->picture) == -1) - { - mp_msg(MSGT_TV, MSGL_ERR, "ioctl set picture failed: %s\n", strerror(errno)); - mp_msg(MSGT_TV, MSGL_ERR, "The 'outfmt' of '%s' is likely not supported by your card\n", - vo_format_name(priv->format)); - return 0; - } - - /* Set capture size */ - win.x = 0; - win.y = 0; - win.width = priv->width; - win.height = priv->height; - win.chromakey = -1; - win.flags = 0; - win.clipcount = 0; - if (ioctl(priv->video_fd, VIDIOCSWIN, &win) == -1) - mp_msg(MSGT_TV, MSGL_ERR, "ioctl set window failed: %s\n", strerror(errno)); - - if ( !priv->tv_param->mjpeg ) - { - /* map grab buffer */ - if (ioctl(priv->video_fd, VIDIOCGMBUF, &priv->mbuf) == -1) - { - mp_msg(MSGT_TV, MSGL_ERR, "ioctl get mbuf failed: %s\n", strerror(errno)); - return 0; - } - - mp_msg(MSGT_TV, MSGL_V, "mbuf: size=%d, frames=%d\n", - priv->mbuf.size, priv->mbuf.frames); - priv->mmap = mmap(0, priv->mbuf.size, PROT_READ|PROT_WRITE, - MAP_SHARED, priv->video_fd, 0); - if (priv->mmap == (unsigned char *)-1) - { - mp_msg(MSGT_TV, MSGL_ERR, "Unable to map memory for buffers: %s\n", strerror(errno)); - return 0; - } - mp_msg(MSGT_TV, MSGL_DBG2, "our buffer: %p\n", priv->mmap); - - /* num of buffers */ - priv->nbuf = priv->mbuf.frames; - - /* video buffers */ - priv->buf = calloc(priv->nbuf, sizeof(struct video_mmap)); - if (!priv->buf) - return 0; - memset(priv->buf, 0, priv->nbuf * sizeof(struct video_mmap)); - } - - if ( !priv->tv_param->mjpeg ) - { - priv->nbuf = priv->mbuf.frames; - for (i=0; i < priv->nbuf; i++) - { - priv->buf[i].format = priv->picture.palette; - priv->buf[i].frame = i; - priv->buf[i].width = priv->width; - priv->buf[i].height = priv->height; - mp_msg(MSGT_TV, MSGL_DBG2, "buffer: %d => %p\n", i, &priv->buf[i]); - } - } - -#if 0 - { - struct video_play_mode pmode; - - pmode.mode = VID_PLAY_NORMAL; - pmode.p1 = 1; - pmode.p2 = 0; - if (ioctl(priv->video_fd, VIDIOCSPLAYMODE, &pmode) == -1) - { - mp_msg(MSGT_TV, MSGL_ERR, "ioctl set play mode failed: %s\n", strerror(errno)); -// return 0; - } - } -#endif - -#if 0 - // initialize video capture - if (ioctl(priv->video_fd, VIDIOCCAPTURE, &one) == -1) - { - mp_msg(MSGT_TV, MSGL_ERR, "FATAL: ioctl ccapture failed: %s\n", strerror(errno)); - return 0; - } -#endif - - /* setup audio parameters */ - if (!priv->tv_param->noaudio) { - setup_audio_buffer_sizes(priv); - bytes_per_sample = priv->audio_in.bytes_per_sample; - priv->audio_skew_buffer = calloc(priv->aud_skew_cnt, sizeof(long long)); - if (!priv->audio_skew_buffer) { - mp_msg(MSGT_TV, MSGL_ERR, "cannot allocate skew buffer: %s\n", strerror(errno)); - return 0; - } - - priv->audio_rin |