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Diffstat (limited to 'libmpdemux/tvi_v4l.c')
-rw-r--r--libmpdemux/tvi_v4l.c1759
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