diff options
Diffstat (limited to 'libmpdemux/tvi_v4l.c')
-rw-r--r-- | libmpdemux/tvi_v4l.c | 1759 |
1 files changed, 0 insertions, 1759 deletions
diff --git a/libmpdemux/tvi_v4l.c b/libmpdemux/tvi_v4l.c deleted file mode 100644 index 1fa3874228..0000000000 --- a/libmpdemux/tvi_v4l.c +++ /dev/null @@ -1,1759 +0,0 @@ -/* - Video 4 Linux input - - (C) 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@kmlinux.fjfi.cvut.cz> - - Mjpeg hardware encoding support by - Iván Szántó <szivan@freemail.hu> - - CODE IS UNDER DEVELOPMENT, NO FEATURE REQUESTS PLEASE! -*/ - -#include "config.h" - -#include <stdio.h> -#include <errno.h> -#include <fcntl.h> -#include <signal.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 "libvo/img_format.h" -#include "libvo/fastmemcpy.h" -#include "libvo/videodev_mjpeg.h" - -#include "tv.h" - -#include "audio_in.h" - -static tvi_info_t info = { - "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 { - /* 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; - -} 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 char *norm2name(int mode) -{ - switch (mode) { - case VIDEO_MODE_PAL: - return "pal"; - case VIDEO_MODE_SECAM: - return "secam"; - case VIDEO_MODE_NTSC: - return "ntsc"; - case VIDEO_MODE_AUTO: - return "auto"; - default: - 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); -} - -tvi_handle_t *tvi_init_v4l(char *device, char *adevice) -{ - tvi_handle_t *h; - priv_t *priv; - - h = new_handle(); - if (!h) - return(NULL); - - priv = h->priv; - - /* set video device name */ - if (!device) - priv->video_device = strdup("/dev/video0"); - else - priv->video_device = strdup(device); - - /* set video device name */ - if (!adevice) - priv->audio_device = NULL; - else { - priv->audio_device = strdup(adevice); - } - - /* allocation failed */ - if (!priv->video_device) { - free_handle(h); - return(NULL); - } - - 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 (tv_param_amode >= 0) { - switch (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 (tv_param_forcechan >= 0) - priv->audio_channels[i] = 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 (tv_param_immediate == 1) - 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 capabilites 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, " Capabilites: "); - 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 tv_param_mjpeg, if it is not a capability */ - - /* initialize if necessary */ - if ( 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 = tv_param_input; /* tv */ - if (!strcasecmp(tv_param_norm, "pal")) - bparm.norm = 0; /* PAL */ - else if (!strcasecmp(tv_param_norm, "ntsc")) - bparm.norm = 1; /* NTSC */ - else if (!strcasecmp(tv_param_norm, "secam")) - bparm.norm = 2; /* SECAM */ - bparm.quality = tv_param_quality; - bparm.decimation = 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 (tv_param_buffer_size >= 0) { - priv->mjpeg_bufsize = 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; - } - - if ( !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)); - goto err; - } - - 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)); - goto err; - } - 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) - goto malloc_failed; - memset(priv->buf, 0, priv->nbuf * sizeof(struct video_mmap)); - } - - /* init v4l audio even when we don't capture */ - init_v4l_audio(priv); - - if (!priv->capability.audios && !tv_param_force_audio) tv_param_noaudio = 1; - - /* audio init */ - if (!tv_param_noaudio) { - -#if defined(HAVE_ALSA9) || defined(HAVE_ALSA1X) - if (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 (tv_param_audio_id < priv->capability.audios) - priv->audio_id = 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 (tv_param_forcechan >= 0) { - audio_in_set_channels(&priv->audio_in, 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: - if (priv->channels) - free(priv->channels); - if (priv->buf) - 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->shutdown = 1; - - mp_msg(MSGT_TV, MSGL_V, "Waiting for threads to finish... "); - if (!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); - 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 ( 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); - } - - if (priv->video_timebuffer) - free(priv->video_timebuffer); - if (priv->video_avg_buffer) - free(priv->video_avg_buffer); - if (!tv_param_noaudio) { - if (priv->audio_ringbuffer) - free(priv->audio_ringbuffer); - if (priv->audio_skew_buffer) - free(priv->audio_skew_buffer); - } - - return(1); -} - -static int get_capture_buffer_size(priv_t *priv) -{ - int bufsize, cnt; - - if (tv_param_buffer_size >= 0) { - bufsize = tv_param_buffer_size*1024*1024; - } else { -#ifdef HAVE_SYS_SYSINFO_H - struct sysinfo si; - - sysinfo(&si); - if (si.totalram<2*1024*1024) { - bufsize = 1024*1024; - } else { - bufsize = si.totalram/2; - } -#else - bufsize = 16*1024*1024; -#endif - } - - cnt = bufsize/(priv->height*priv->bytesperline); - if (cnt < 2) cnt = 2; - - return cnt; -} - -static int start(priv_t *priv) -{ - int i; - int bytes_per_sample; - - 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)); - } - - if ( !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 - { - struct video_window win; - - win.x = 0; - win.y = 0; - win.width = priv->width; - win.height = priv->height; - win.chromakey = -1; - win.flags = 0; - //win.clipcount = 0; - - ioctl(priv->video_fd, VIDIOCSWIN, &win); - } - - // 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 (!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_ringbuffer = calloc(priv->audio_in.blocksize, priv->audio_buffer_size); - if (!priv->audio_ringbuffer) { - mp_msg(MSGT_TV, MSGL_ERR, "cannot allocate audio buffer: %s\n", strerror(errno)); - return 0; - } - - priv->audio_secs_per_block = (double)priv->audio_in.blocksize/(priv->audio_in.samplerate - *priv->audio_in.channels - *bytes_per_sample); - priv->audio_head = 0; - priv->audio_tail = 0; - priv->audio_cnt = 0; - priv->audio_drop = 0; - priv->audio_skew = 0; - priv->audio_skew_total = 0; - priv->audio_recv_blocks_total = 0; - priv->audio_sent_blocks_total = 0; - } - - /* setup video parameters */ - if (priv->immediate_mode) { - priv->video_buffer_size_max = VID_BUF_SIZE_IMMEDIATE; - } else { - priv->video_buffer_size_max = get_capture_buffer_size(priv); - } - priv->video_buffer_size_current = 0; - - if (!tv_param_noaudio) { - if (priv->video_buffer_size_max < 3.0*priv->fps*priv->audio_secs_per_block) { - mp_msg(MSGT_TV, MSGL_ERR, "Video buffer shorter than 3 times audio frame duration.\n" - "You will probably experience heavy framedrops.\n"); - } - } - - mp_msg(MSGT_TV, MSGL_V, "Using a ring buffer for maximum %d frames, %d MB total size.\n", - priv->video_buffer_size_max, - priv->video_buffer_size_max*priv->height*priv->bytesperline/(1024*1024)); - - priv->video_ringbuffer = calloc(priv->video_buffer_size_max, sizeof(unsigned char*)); - if (!priv->video_ringbuffer) { - mp_msg(MSGT_TV, MSGL_ERR, "cannot allocate video buffer: %s\n", strerror(errno)); - return 0; - } - for (i = 0; i < priv->video_buffer_size_max; i++) - priv->video_ringbuffer[i] = NULL; - - priv->video_timebuffer = calloc(priv->video_buffer_size_max, sizeof(long long)); - if (!priv->video_timebuffer) { - mp_msg(MSGT_TV, MSGL_ERR, "cannot allocate time buffer: %s\n", strerror(errno)); - return 0; - } - priv->video_avg_buffer = malloc(sizeof(long long) * VIDEO_AVG_BUFFER_SIZE); - if (!priv->video_avg_buffer) { - mp_msg(MSGT_TV, MSGL_ERR, "cannot allocate period buffer: %s\n", strerror(errno)); - return 0; - } - priv->video_interval_sum = (1e6/priv->fps)*VIDEO_AVG_BUFFER_SIZE; - for (i = 0; i < VIDEO_AVG_BUFFER_SIZE; i++) { - priv->video_avg_buffer[i] = 1e6/priv->fps; - } - - priv->video_avg_ptr = 0; - - priv->video_head = 0; - priv->video_tail = 0; - priv->video_cnt = 0; - priv->first = 1; - - if (priv->capability.audios) { - /* enable audio */ - if (tv_param_volume >= 0) - priv->audio[priv->audio_id].volume = tv_param_volume; - if (tv_param_bass >= 0) - priv->audio[priv->audio_id].bass = tv_param_bass; - if (tv_param_treble >= 0) - priv->audio[priv->audio_id].treble = tv_param_treble; - if (tv_param_balance >= 0) - priv->audio[priv->audio_id].balance = tv_param_balance; - priv->audio[priv->audio_id].flags &= ~VIDEO_AUDIO_MUTE; - mp_msg(MSGT_TV, MSGL_V, "Enabling tv audio. Requested setup is:\n"); - mp_msg(MSGT_TV, MSGL_V, "id=%d vol=%d bass=%d treble=%d balance=%d mode=%s", - priv->audio_id, - priv->audio[priv->audio_id].volume, priv->audio[priv->audio_id].bass, priv->audio[priv->audio_id].treble, - priv->audio[priv->audio_id].balance, audio_mode2name(priv->audio[priv->audio_id].mode)); - mp_msg(MSGT_TV, MSGL_V, " chan=%d\n", priv->audio_channels[priv->audio_id]); - ioctl(priv->video_fd, VIDIOCSAUDIO, &priv->audio[priv->audio_id]); - } - - /* launch capture threads */ - priv->shutdown = 0; - if (!tv_param_noaudio) { - pthread_mutex_init(&priv->audio_starter, NULL); - pthread_mutex_init(&priv->skew_mutex, NULL); - pthread_mutex_lock(&priv->audio_starter); - pthread_create(&priv->audio_grabber_thread, NULL, audio_grabber, priv); - } - pthread_mutex_init(&priv->video_buffer_mutex, NULL); - /* we'll launch the video capture later, when a first request for a frame arrives */ - - return(1); -} - - -static int control(priv_t *priv, int cmd, void *arg) -{ - mp_msg(MSGT_TV, MSGL_DBG2, "\ndebug: control(priv=%p, cmd=%d, arg=%p)\n", - priv, cmd, arg); - switch(cmd) - { - /* ========== GENERIC controls =========== */ - case TVI_CONTROL_IS_VIDEO: - { - if (priv->capability.type & VID_TYPE_CAPTURE) - return(TVI_CONTROL_TRUE); - return(TVI_CONTROL_FALSE); - } - case TVI_CONTROL_IS_AUDIO: - if (tv_param_force_audio) return(TVI_CONTROL_TRUE); - if (priv->channels[priv->act_channel].flags & VIDEO_VC_AUDIO) - { - return(TVI_CONTROL_TRUE); - } - return(TVI_CONTROL_FALSE); - case TVI_CONTROL_IS_TUNER: - { -// if (priv->capability.type & VID_TYPE_TUNER) - if (priv->channels[priv->act_channel].flags & VIDEO_VC_TUNER) - return(TVI_CONTROL_TRUE); - return(TVI_CONTROL_FALSE); - } - - /* ========== VIDEO controls =========== */ - case TVI_CONTROL_VID_GET_FORMAT: - { - int output_fmt = -1; - - output_fmt = priv->format; - if ( tv_param_mjpeg ) - { - mp_msg(MSGT_TV, MSGL_INFO, " MJP: setting sh_video->format to mjpg\n"); - output_fmt = 0x47504a4d; - output_fmt = 0x67706a6d; - *(int *)arg = output_fmt; - mp_msg(MSGT_TV, MSGL_V, "Output format: %s\n", "mjpg"); - } - else - { - *(int *)arg = output_fmt; - mp_msg(MSGT_TV, MSGL_V, "Output format: %s\n", vo_format_name(output_fmt)); - } - return(TVI_CONTROL_TRUE); - } - case TVI_CONTROL_VID_SET_FORMAT: - priv->format = *(int *)arg; - // !HACK! v4l uses BGR format instead of RGB - // and we have to correct this. Fortunately, - // tv.c reads later the format back so we - // can persuade it to use what we want. - if (IMGFMT_IS_RGB(priv->format)) { - priv->format &= ~IMGFMT_RGB_MASK; - priv->format |= IMGFMT_BGR; - } - return(TVI_CONTROL_TRUE); - case TVI_CONTROL_VID_GET_PLANES: - *(int *)arg = 1; /* FIXME, also not needed at this time */ - return(TVI_CONTROL_TRUE); - case TVI_CONTROL_VID_GET_BITS: - *(int *)arg = palette2depth(format2palette(priv->format)); - return(TVI_CONTROL_TRUE); - case TVI_CONTROL_VID_GET_WIDTH: - *(int *)arg = priv->width; - return(TVI_CONTROL_TRUE); - case TVI_CONTROL_VID_CHK_WIDTH: - { - int req_width = *(int *)arg; - - mp_msg(MSGT_TV, MSGL_V, "Requested width: %d\n", req_width); - if ((req_width >= priv->capability.minwidth) && - (req_width <= priv->capability.maxwidth)) - return(TVI_CONTROL_TRUE); - return(TVI_CONTROL_FALSE); - } - case TVI_CONTROL_VID_SET_WIDTH: - priv->width = *(int *)arg; - return(TVI_CONTROL_TRUE); - case TVI_CONTROL_VID_GET_HEIGHT: - *(int *)arg = priv->height; - return(TVI_CONTROL_TRUE); - case TVI_CONTROL_VID_CHK_HEIGHT: - { - int req_height = *(int *)arg; - - mp_msg(MSGT_TV, MSGL_V, "Requested height: %d\n", req_height); - if ((req_height >= priv->capability.minheight) && - (req_height <= priv->capability.maxheight)) - return(TVI_CONTROL_TRUE); - return(TVI_CONTROL_FALSE); - } - case TVI_CONTROL_VID_SET_HEIGHT: - priv->height = *(int *)arg; - return(TVI_CONTROL_TRUE); - case TVI_CONTROL_VID_GET_PICTURE: - if (ioctl(priv->video_fd, VIDIOCGPICT, &priv->picture) == -1) - { - mp_msg(MSGT_TV, MSGL_ERR, "ioctl get picture failed: %s\n", strerror(errno)); - return(TVI_CONTROL_FALSE); - } - return(TVI_CONTROL_TRUE); - case TVI_CONTROL_VID_SET_PICTURE: - if (ioctl(priv |