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authorwm4 <wm4@nowhere>2012-08-02 23:51:54 +0200
committerwm4 <wm4@nowhere>2012-08-02 23:51:54 +0200
commit2aef9e2ef3a3c69466a3f0a737145f1f72c786f0 (patch)
tree2ddf52bce000a587faf97a53ad9b5cd633d6ffd1 /stream
parent7059c15f4af047d29bed9ea8b17a3702980b8442 (diff)
downloadmpv-2aef9e2ef3a3c69466a3f0a737145f1f72c786f0.tar.bz2
mpv-2aef9e2ef3a3c69466a3f0a737145f1f72c786f0.tar.xz
stream: remove V4L TV input and V4L radio support
There are V4L2 drivers, and the old V4L stuff seems plain unnecessary.
Diffstat (limited to 'stream')
-rw-r--r--stream/stream_radio.c138
-rw-r--r--stream/tv.c24
-rw-r--r--stream/tvi_v4l.c1910
3 files changed, 0 insertions, 2072 deletions
diff --git a/stream/stream_radio.c b/stream/stream_radio.c
index f7612f0085..245f889bbe 100644
--- a/stream/stream_radio.c
+++ b/stream/stream_radio.c
@@ -49,10 +49,6 @@
#include <linux/videodev2.h>
#endif
-#ifdef CONFIG_RADIO_V4L
-#include <linux/videodev.h>
-#endif
-
#endif // !IOCTL_BT848_H_NAME
@@ -408,137 +404,6 @@ static const radio_driver_t radio_driver_v4l2={
get_frequency_v4l2
};
#endif /* CONFIG_RADIO_V4L2 */
-#ifdef CONFIG_RADIO_V4L
-/*****************************************************************
- * \brief get fraction value for using in set_frequency and get_frequency
- * \return STREAM_OK if success, STREAM_ERROR otherwise
- *
- * V4L2_TUNER_CAP_LOW:
- * unit=62.5Hz
- * frac= 1MHz/unit=1000000/62.5 =16000
- *
- * otherwise:
- * unit=62500Hz
- * frac= 1MHz/unit=1000000/62500 =16
- *
- */
-static int init_frac_v4l(radio_priv_t* priv){
- struct video_tuner tuner;
- memset(&tuner,0,sizeof(tuner));
- if (ioctl(priv->radio_fd, VIDIOCGTUNER, &tuner) <0){
- mp_tmsg(MSGT_RADIO,MSGL_WARN,"[radio] Warning: ioctl get tuner failed: %s. Setting frac to %d.\n",strerror(errno),priv->frac);
- return STREAM_ERROR;
- }
- if(tuner.flags & VIDEO_TUNER_LOW){
- priv->frac=16000;
- mp_tmsg(MSGT_RADIO,MSGL_DBG2,"[radio] tuner is low:yes frac=%d\n",priv->frac);
- }else{
- priv->frac=16;
- mp_tmsg(MSGT_RADIO,MSGL_DBG2,"[radio] tuner is low:no frac=%d\n",priv->frac);
- }
-
- priv->rangelow=((float)tuner.rangelow)/priv->frac;
- priv->rangehigh=((float)tuner.rangehigh)/priv->frac;
- mp_tmsg(MSGT_RADIO,MSGL_V,"[radio] Allowed frequency range is %.2f-%.2f MHz.\n",priv->rangelow,priv->rangehigh);
-
- return STREAM_OK;
-}
-
-/*****************************************************************
- * \brief tune card to given frequency
- * \param frequency frequency in MHz
- * \return STREAM_OK if success, STREAM_ERROR otherwise
- */
-static int set_frequency_v4l(radio_priv_t* priv,float frequency){
- __u32 freq;
- freq=frequency*priv->frac;
- if (ioctl(priv->radio_fd, VIDIOCSFREQ, &freq) < 0) {
- mp_tmsg(MSGT_RADIO,MSGL_ERR,"[radio] ioctl set frequency 0x%x (%.2f) failed: %s\n",freq,frequency,strerror(errno));
- return STREAM_ERROR;
- }
- return STREAM_OK;
-}
-/*****************************************************************
- * \brief get current tuned frequency from card
- * \param frequency where to store frequency in MHz
- * \return STREAM_OK if success, STREAM_ERROR otherwise
- */
-static int get_frequency_v4l(radio_priv_t* priv,float* frequency){
- __u32 freq;
- if (ioctl(priv->radio_fd, VIDIOCGFREQ, &freq) < 0) {
- mp_tmsg(MSGT_RADIO,MSGL_ERR,"[radio] ioctl get frequency failed: %s\n",strerror(errno));
- return STREAM_ERROR;
- }
- *frequency=((float)freq)/priv->frac;
- return STREAM_OK;
-}
-
-/*****************************************************************
- * \brief set volume on radio card
- * \param volume volume level (0..100)
- * \return STREAM_OK if success, STREAM_ERROR otherwise
- */
-static void set_volume_v4l(radio_priv_t* priv,int volume){
- struct video_audio audio;
-
- /*arg must be between 0 and 100*/
- if (volume > 100) volume = 100;
- if (volume < 0) volume = 0;
-
- memset(&audio,0,sizeof(audio));
- audio.flags = (volume==0?VIDEO_AUDIO_MUTE:0);
- if (ioctl(priv->radio_fd, VIDIOCSAUDIO, &audio)<0){
- mp_tmsg(MSGT_RADIO,MSGL_WARN,"[radio] ioctl set mute failed: %s\n",strerror(errno));
- }
-
- memset(&audio,0,sizeof(audio));
- audio.flags = VIDEO_AUDIO_VOLUME;
- audio.mode = VIDEO_SOUND_STEREO;
- audio.audio = 0;
- audio.volume = volume* (65535 / 100);
-
- if (ioctl(priv->radio_fd, VIDIOCSAUDIO, &audio) < 0){
- mp_tmsg(MSGT_RADIO,MSGL_ERR,"[radio] ioctl set volume failed: %s\n",strerror(errno));
- }
-}
-
-/*****************************************************************
- * \brief get current volume from radio card
- * \param volume where to store volume level (0..100)
- * \return STREAM_OK if success, STREAM_ERROR otherwise
- */
-static int get_volume_v4l(radio_priv_t* priv,int* volume){
- struct video_audio audio;
-
- memset(&audio,0,sizeof(audio));
- audio.audio=0;
- if (ioctl(priv->radio_fd, VIDIOCGAUDIO, &audio) < 0){
- mp_tmsg(MSGT_RADIO,MSGL_ERR,"[radio] ioctl get volume failed: %s\n",strerror(errno));
- return STREAM_ERROR;
- }
-
- if (audio.flags & VIDEO_AUDIO_VOLUME){
- *volume=100*audio.volume/65535;
- /*arg must be between 0 and 100*/
- if (*volume > 100) *volume = 100;
- if (*volume < 0) *volume = 0;
- return STREAM_OK;
- }
-
- return STREAM_ERROR;
-}
-
-/* v4l driver info structure */
-static const radio_driver_t radio_driver_v4l={
- "v4l",
- _("[radio] Using V4Lv1 radio interface.\n"),
- init_frac_v4l,
- set_volume_v4l,
- get_volume_v4l,
- set_frequency_v4l,
- get_frequency_v4l
-};
-#endif /* CONFIG_RADIO_V4L */
#ifdef CONFIG_RADIO_BSDBT848
/*****************************************************************
@@ -1084,9 +949,6 @@ static const radio_driver_t* radio_drivers[]={
#ifdef CONFIG_RADIO_V4L2
&radio_driver_v4l2,
#endif
-#ifdef CONFIG_RADIO_V4L
- &radio_driver_v4l,
-#endif
0
};
diff --git a/stream/tv.c b/stream/tv.c
index 07fb0270a6..3ce7264691 100644
--- a/stream/tv.c
+++ b/stream/tv.c
@@ -58,7 +58,6 @@ char *tv_channel_last_real;
/* enumerating drivers (like in stream.c) */
extern const tvi_info_t tvi_info_dummy;
extern const tvi_info_t tvi_info_dshow;
-extern const tvi_info_t tvi_info_v4l;
extern const tvi_info_t tvi_info_v4l2;
extern const tvi_info_t tvi_info_bsdbt848;
@@ -67,9 +66,6 @@ static const tvi_info_t* tvi_driver_list[]={
#ifdef CONFIG_TV_V4L2
&tvi_info_v4l2,
#endif
-#ifdef CONFIG_TV_V4L1
- &tvi_info_v4l,
-#endif
#ifdef CONFIG_TV_BSDBT848
&tvi_info_bsdbt848,
#endif
@@ -478,26 +474,6 @@ static int open_tv(tvi_handle_t *tvh)
#endif
tv_set_norm(tvh,tvh->tv_param->norm);
-#ifdef CONFIG_TV_V4L1
- if ( tvh->tv_param->mjpeg )
- {
- /* set width to expected value */
- if (tvh->tv_param->width == -1)
- {
- tvh->tv_param->width = 704/tvh->tv_param->decimation;
- }
- if (tvh->tv_param->height == -1)
- {
- if ( tvh->norm != TV_NORM_NTSC )
- tvh->tv_param->height = 576/tvh->tv_param->decimation;
- else
- tvh->tv_param->height = 480/tvh->tv_param->decimation;
- }
- mp_tmsg(MSGT_TV, MSGL_INFO,
- " MJP: width %d height %d\n", tvh->tv_param->width, tvh->tv_param->height);
- }
-#endif
-
/* limits on w&h are norm-dependent -- JM */
if (tvh->tv_param->width != -1 && tvh->tv_param->height != -1) {
// first tell the driver both width and height, some drivers do not support setting them independently.
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_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 (!priv->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 (priv->tv_param->volume >= 0)
- priv->audio[priv->audio_id].volume = priv->tv_param->volume;
- if (priv->tv_param->bass >= 0)
- priv->audio[priv->audio_id].bass = priv->tv_param->bass;
- if (priv->tv_param->treble >= 0)
- priv->audio[priv->audio_id].treble = priv->tv_param->treble;
- if (priv->tv_param->balance >= 0)
- priv->audio[priv->audio_id].balance = priv->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]);
- }
-
- /* start vbi thread */
- if(priv->priv_vbi){
- priv->vbi_shutdown = 0;
- pthread_create(&priv->vbi_grabber_thread, NULL, vbi_grabber, priv);
- }
-
- /* launch capture threads */
- priv->shutdown = 0;
- if (!priv->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 (priv->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 ( priv->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->video_fd, VIDIOCSPICT, &priv->picture) == -1)
- {
- mp_msg(MSGT_TV, MSGL_ERR, "ioctl set picture failed: %s\n", strerror(errno));
- return TVI_CONTROL_FALSE;
- }
- return TVI_CONTROL_TRUE;
- case TVI_CONTROL_VID_SET_BRIGHTNESS:
- priv->picture.brightness = (327*(*(int *)arg+100)) + 68;
- return control(priv, TVI_CONTROL_VID_SET_PICTURE, 0);
- case TVI_CONTROL_VID_SET_HUE:
- priv->picture.hue = (327*(*(int *)arg+100)) + 68;
- return control(priv, TVI_CONTROL_VID_SET_PICTURE, 0);
- case TVI_CONTROL_VID_SET_SATURATION:
- priv->picture.colour = (327*(*(int *)arg+100)) + 68;
- return control(priv, TVI_CONTROL_VID_SET_PICTURE, 0);
- case TVI_CONTROL_VID_SET_CONTRAST:
- priv->picture.contrast = (327*(*(int *)arg+100)) + 68;
- return control(priv, TVI_CONTROL_VID_SET_PICTURE, 0);
- case TVI_CONTROL_VID_GET_BRIGHTNESS:
- if(!control(priv, TVI_CONTROL_VID_GET_PICTURE, 0)) return 0;
- *(int*)arg = ((int)priv->picture.brightness-68)/327-100;
- return 1;
- case TVI_CONTROL_VID_GET_HUE:
- if(!control(priv, TVI_CONTROL_VID_GET_PICTURE, 0)) return 0;
- *(int*)arg = ((int)priv->picture.hue-68)/327-100;
- return 1;
- case TVI_CONTROL_VID_GET_SATURATION:
- if(!control(priv, TVI_CONTROL_VID_GET_PICTURE, 0)) return 0;
- *(int*)arg = ((int)priv->picture.colour-68)/327-100;
- return 1;
- case TVI_CONTROL_VID_GET_CONTRAST:
- if(!control(priv, TVI_CONTROL_VID_GET_PICTURE, 0)) return 0;
- *(int*)arg = ((int)priv->picture.contrast-68)/327-100;
- return 1;
- case TVI_CONTROL_VID_GET_FPS:
- *(float *)arg=priv->fps;
- return TVI_CONTROL_TRUE;
-
- /* ========== TUNER controls =========== */
- case TVI_CONTROL_TUN_GET_FREQ:
- {
- unsigned long freq;
-
- if (ioctl(priv->video_fd, VIDIOCGFREQ, &freq) == -1)
- {
- mp_msg(MSGT_TV, MSGL_ERR, "ioctl get freq failed: %s\n", strerror(errno));
- return TVI_CONTROL_FALSE;
- }
-
- /* tuner uses khz not mhz ! */
-// if (priv->tuner.flags & VIDEO_TUNER_LOW)
-// freq /= 1000;
- *(unsigned long *)arg = freq;
- return TVI_CONTROL_TRUE;
- }
- case TVI_CONTROL_TUN_SET_FREQ:
- {
- /* argument is in MHz ! */
- unsigned long freq = *(unsigned long *)arg;
-
- if (priv->capability.audios) {
- priv->audio[priv->audio_id].flags |= VIDEO_AUDIO_MUTE;
- ioctl(priv->video_fd, VIDIOCSAUDIO, &priv->audio[priv->audio_id]);
- }
-
- mp_msg(MSGT_TV, MSGL_V, "requested frequency: %.3f\n", (float)freq/16);
-
- /* tuner uses khz not mhz ! */
-// if (priv->tuner.flags & VIDEO_TUNER_LOW)
-// freq *= 1000;
-// mp_msg(MSGT_TV, MSGL_V, " requesting from driver: freq=%.3f\n", (float)freq/16);
- if (ioctl(priv->video_fd, VIDIOCSFREQ, &freq) == -1)
- {
- mp_msg(MSGT_TV, MSGL_ERR, "ioctl set freq failed: %s\n", strerror(errno));
- return TVI_CONTROL_FALSE;
- }
- usleep(100000); // wait to suppress noise during switching
-
- if (priv->capability.audios) {
- priv->audio[priv->audio_id].flags &= ~VIDEO_AUDIO_MUTE;
- ioctl(priv->video_fd, VIDIOCSAUDIO, &priv->audio[priv->audio_id]);
- }
-
- return TVI_CONTROL_TRUE;
- }
- case TVI_CONTROL_TUN_GET_TUNER:
- {
- if (ioctl(priv->video_fd, VIDIOCGTUNER, &priv->tuner) == -1)
- {
- mp_msg(MSGT_TV, MSGL_ERR, "ioctl get tuner failed: %s\n", strerror(errno));
- return TVI_CONTROL_FALSE;
- }
-
- mp_msg(MSGT_TV, MSGL_V, "Tuner (%s) range: %lu -> %lu\n", priv->tuner.name,
- priv->tuner.rangelow, priv->tuner.rangehigh);
- return TVI_CONTROL_TRUE;
- }
- case TVI_CONTROL_TUN_SET_TUNER:
- {
- if (ioctl(priv->video_fd, VIDIOCSTUNER, &priv->tuner) == -1)
- {
- mp_msg(MSGT_TV, MSGL_ERR, "ioctl set tuner failed: %s\n", strerror(errno));
- return TVI_CONTROL_FALSE;
- }
- return TVI_CONTROL_TRUE;
- }
- case TVI_CONTROL_TUN_SET_NORM:
- {
- int req_mode = *(int *)arg;
- int norm_index;
- for(norm_index=0;supported_norms[norm_index].name; norm_index++)
- if(req_mode==supported_norms[norm_index].normid)
- break;
-
- if(!supported_norms[norm_index].name) {
- mp_msg(MSGT_TV, MSGL_ERR, "Unknown norm!\n");
- return TVI_CONTROL_FALSE;
- }
-
- if (priv->channels[priv->act_channel].flags & VIDEO_VC_TUNER) {
- int prev_mode;
-
- control(priv, TVI_CONTROL_TUN_GET_TUNER, 0);
- if(!(priv->tuner.flags & supported_norms[norm_index].tuner_flags))
- {
- mp_msg(MSGT_TV, MSGL_ERR, "Tuner isn't capable to set norm!\n");
- return TVI_CONTROL_FALSE;
- }
-
- prev_mode = priv->tuner.mode;
-
- priv->tuner.mode = supported_norms[norm_index].tuner_mode;
-
- if (control(priv, TVI_CONTROL_TUN_SET_TUNER, &priv->tuner) != TVI_CONTROL_TRUE) {
- // norm setting failed, but maybe it's only because it's fixed
- if (priv->tuner.mode != prev_mode) return TVI_CONTROL_FALSE; // no it really failed
- }
-
- }
-
- priv->channels[priv->act_channel].norm = supported_norms[norm_index].input_norm;
-
- if (ioctl(priv->video_fd, VIDIOCSCHAN, &priv->channels[priv->act_channel]) == -1)
- {
- mp_msg(MSGT_TV, MSGL_ERR, "ioctl set chan failed: %s\n", strerror(errno));
- return TVI_CONTROL_FALSE;
- }
-
- if (ioctl(priv->video_fd, VIDIOCGCAP, &priv->capability) == -1) {
- mp_msg(MSGT_TV, MSGL_ERR, "ioctl get capabilities failed: %s\n", strerror(errno));
- return TVI_CONTROL_FALSE;
- }
-
- priv->fps = supported_norms[norm_index].fps;
-
- if(priv->height > priv->capability.maxheight) {
- priv->height = priv->capability.maxheight;
- }
-
- if(priv->width > priv->capability.maxwidth) {
- priv->width = priv->capability.maxwidth;
- }
-
- return TVI_CONTROL_TRUE;
- }
- case TVI_CONTROL_TUN_GET_NORM:
- {
- *(int *)arg = priv->tuner.mode;
-
- return TVI_CONTROL_TRUE;
- }
- case TVI_CONTROL_TUN_GET_SIGNAL:
- {
- if (ioctl(priv->video_fd, VIDIOCGTUNER, &priv->tuner) == -1)
- {
- mp_msg(MSGT_TV, MSGL_ERR, "ioctl get tuner failed: %s\n", strerror(errno));
- return TVI_CONTROL_FALSE;
- }
- *(int*)arg=100*(priv->tuner.signal>>8)/255;
- return TVI_CONTROL_TRUE;
- }
-
- /* ========== AUDIO controls =========== */
- case TVI_CONTROL_AUD_GET_FORMAT:
- {
- *(int *)arg = AF_FORMAT_S16_LE;
- return TVI_CONTROL_TRUE;
- }
- case TVI_CONTROL_AUD_GET_CHANNELS:
- {
- *(int *)arg = priv->audio_in.channels;
- return TVI_CONTROL_TRUE;
- }
- case TVI_CONTROL_AUD_GET_SAMPLERATE:
- {
- *(int *)arg = priv->audio_in.samplerate;
- return TVI_CONTROL_TRUE;
- }
- case TVI_CONTROL_AUD_GET_SAMPLESIZE:
- {
- *(int *)arg = priv->audio_in.bytes_per_sample;
- return TVI_CONTROL_TRUE;
- }
- case TVI_CONTROL_AUD_SET_SAMPLERATE:
- {
- if (audio_in_set_samplerate(&priv->audio_in, *(int *)arg) < 0) return TVI_CONTROL_FALSE;
- setup_audio_buffer_sizes(priv);
- return TVI_CONTROL_TRUE;
- }
- /* ========== SPECIFIC controls =========== */
- case TVI_CONTROL_SPC_GET_INPUT:
- {
- int req_chan = *(int *)arg;
- int i;
-
- for (i = 0; i < priv->capability.channels; i++)
- {
- if (priv->channels[i].channel == req_chan)
- break;
- }
-
- priv->act_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));
- return TVI_CONTROL_FALSE;
- }
- return TVI_CONTROL_TRUE;
- }
-
- case TVI_CONTROL_SPC_SET_INPUT:
- {
- struct video_channel chan;
- int req_chan = *(int *)arg;
- int i;
-
- if (req_chan >= priv->capability.channels)
- {
- mp_msg(MSGT_TV, MSGL_ERR, "Invalid input requested: %d, valid: 0-%d\n",
- req_chan, priv->capability.channels - 1);
- return TVI_CONTROL_FALSE;
- }
-
- for (i = 0; i < priv->capability.channels; i++)
- {
- if (priv->channels[i].channel == req_chan)
- chan = priv->channels[i];
- }
-
- if (ioctl(priv->video_fd, VIDIOCSCHAN, &chan) == -1)
- {
- mp_msg(MSGT_TV, MSGL_ERR, "ioctl set chan failed: %s\n", strerror(errno));
- return TVI_CONTROL_FALSE;
- }
- mp_msg(MSGT_TV, MSGL_INFO, "Using input '%s'\n", chan.name);
-
- priv->act_channel = i;
-
- /* update tuner state */
-// if (priv->capability.type & VID_TYPE_TUNER)
- if (priv->channels[priv->act_channel].flags & VIDEO_VC_TUNER)
- control(priv, TVI_CONTROL_TUN_GET_TUNER, 0);
-
- /* update local channel list */
- control(priv, TVI_CONTROL_SPC_GET_INPUT, &req_chan);
- return TVI_CONTROL_TRUE;
- case TVI_CONTROL_IMMEDIATE:
- priv->immediate_mode = 1;
- return TVI_CONTROL_TRUE;
- }
- case TVI_CONTROL_VBI_INIT:
- {
- void* ptr;
- tt_stream_props tsp;
-
- if (vbi_init(priv,*(char**)arg)!=TVI_CONTROL_TRUE)
- return TVI_CONTROL_FALSE;
- if(vbi_get_props(priv,&tsp)==TVI_CONTROL_TRUE)
- {
- ptr=&tsp;
- if(teletext_control(NULL,TV_VBI_CONTROL_START,&ptr)==VBI_CONTROL_TRUE)
- priv->priv_vbi=ptr;
- else
- priv->priv_vbi=NULL;
- }
- return TVI_CONTROL_TRUE;
- }
- case TVI_CONTROL_GET_VBI_PTR:
- *(void **)arg=priv->priv_vbi;
- return TVI_CONTROL_TRUE;
- }
-
- return TVI_CONTROL_UNKNOWN;
-}
-
-static int set_mute(priv_t* priv,int value)
-{
- if (!priv->capability.audios) {
- return 0;
-
- if(value)
- priv->audio[priv->audio_id].flags |=VIDEO_AUDIO_MUTE;
- else
- priv->audio[priv->audio_id].flags &= ~VIDEO_AUDIO_MUTE;
- }
- if(ioctl(priv->video_fd, VIDIOCSAUDIO, &priv->audio[priv->audio_id])<0)
- return 0;
- return 1;
-}
-
-// copies a video frame
-// for YV12 swaps the 2nd and 3rd plane
-static inline void copy_frame(priv_t *priv, unsigned char *dest, unsigned char *source)
-{
- if(priv->tv_param->automute>0){
- if (ioctl(priv->video_fd, VIDIOCGTUNER, &priv->tuner) >= 0) {
- if(priv->tv_param->automute<<8>priv->tuner.signal){
- fill_blank_frame(dest,priv->bytesperline * priv->height,priv->format);
- set_mute(priv,1);
- return;
- }
- }
- set_mute(priv,0);
- }
- // YV12 uses VIDEO_PALETTE_YUV420P, but the planes are swapped
- if (priv->format == IMGFMT_YV12) {
- fast_memcpy(dest, source, priv->width * priv->height);
- fast_memcpy(dest+priv->width * priv->height*5/4, source+priv->width * priv->height, priv->width * priv->height/4);
- fast_memcpy(dest+priv->width * priv->height, source+priv->width * priv->height*5/4, priv->width * priv->height/4);
- return;
- }
-
- fast_memcpy(dest, source, priv->bytesperline * priv->height);
-}
-
-// maximum skew change, in frames
-#define MAX_SKEW_DELTA 0.6
-static void *video_grabber(void *data)
-{
-#define MAXTOL (priv->nbuf)
- priv_t *priv = (priv_t*)data;
- struct timeval curtime;
- long long skew, prev_skew, xskew, interval, prev_interval;
- int frame;
- int i;
- int framecount;
- int tolerance;
- unsigned long num;
-
- /* start the capture process */
-
- if ( priv->tv_param->mjpeg )
- {
- mp_msg(MSGT_TV, MSGL_INFO, " MJP: gonna capture ! \n");
- for (i=0; i < priv->nbuf; i++) {
- num = i;
- if (ioctl(priv->video_fd, MJPIOC_QBUF_CAPT, &num) < 0)
- mp_msg(MSGT_TV, MSGL_ERR,
- "\n MJP: ioctl MJPIOC_QBUF_CAPT b failed: %s\n", strerror(errno));
- }
- }
- else
- {
- for (i=0; i < priv->nbuf; i++) {
- if (ioctl(priv->video_fd, VIDIOCMCAPTURE, &priv->buf[i]) == -1)
- mp_msg(MSGT_TV, MSGL_ERR, "\nioctl mcapture failed: %s\n", strerror(errno));
- }
- }
-
- gettimeofday(&curtime, NULL);
- priv->starttime = (long long)1e6*curtime.tv_sec + curtime.tv_usec;
- priv->audio_skew_measure_time = 0;
- pthread_mutex_unlock(&priv->audio_starter);
- xskew = 0;
- skew = 0;
- interval = 0;
-
- prev_interval = 0;
- prev_skew = 0;
-
- tolerance = MAXTOL;
-
- for (framecount = 0; !priv->shutdown;)
- {
- for (i = 0; i < priv->nbuf && !priv->shutdown; i++, framecount++) {
-
- if (priv->immediate_mode) {
- while (priv->video_cnt == priv->video_buffer_size_max) {
- usleep(10000);
- if (priv->shutdown) {
- return NULL;
- }
- }
- }
-
- frame = i;
-
- if ( priv->tv_param->mjpeg )
- {
- while (ioctl(priv->video_fd, MJPIOC_SYNC, &priv->buf[frame].frame) < 0 &&
- (errno == EAGAIN || errno == EINTR));
- }
- else
- {
- while (ioctl(priv->video_fd, VIDIOCSYNC, &priv->buf[frame].frame) < 0 &&
- (errno == EAGAIN || errno == EINTR));
- }
- mp_dbg(MSGT_TV, MSGL_DBG3, "\npicture sync failed\n");
-
- gettimeofday(&curtime, NULL);
- if (!priv->immediate_mode) {
- interval = (long long)1e6*curtime.tv_sec + curtime.tv_usec - priv->starttime;
- } else {
- interval = (long long)1e6*framecount/priv->fps;
- }
-
- if (!priv->immediate_mode) {
- long long period, orig_interval;
-
- if (tolerance == 0) {
- if (interval - prev_interval == 0) {
- mp_msg(MSGT_TV, MSGL_V, "\nvideo capture thread: frame delta = 0\n");
- } else if ((interval - prev_interval < (long long)0.85e6/priv->fps)
- || (interval - prev_interval > (long long)1.15e6/priv->fps) ) {
- mp_msg(MSGT_TV, MSGL_V, "\nvideo capture thread: frame delta ~ %.1f fps\n",
- (double)1e6/(interval - prev_interval));
- }
- }
-
- // correct the rate fluctuations on a small scale
- orig_interval = interval;
- period = priv->video_interval_sum/VIDEO_AVG_BUFFER_SIZE;
- if (interval - prev_interval > 105*period/100) {
- if (tolerance > 0) {
- mp_msg(MSGT_TV, MSGL_DBG3, "correcting timestamp\n");
- interval = prev_interval + priv->video_interval_sum/VIDEO_AVG_BUFFER_SIZE;
- tolerance--;
- } else {
- mp_msg(MSGT_TV, MSGL_DBG3, "bad - frames were dropped\n");
- tolerance = MAXTOL;
- }
- } else {
- if (tolerance < MAXTOL) {
- mp_msg(MSGT_TV, MSGL_DBG3, "fluctuation overcome\n");
- }
- tolerance = MAXTOL;
- }
-
- priv->video_interval_sum -= priv->video_avg_buffer[priv->video_avg_ptr];
- priv->video_avg_buffer[priv->video_avg_ptr++] = orig_interval-prev_interval;
- priv->video_interval_sum += orig_interval-prev_interval;
- if (priv->video_avg_ptr >= VIDEO_AVG_BUFFER_SIZE) priv->video_avg_ptr = 0;
-
-// fprintf(stderr, "fps: %f\n", (double)1e6*VIDEO_AVG_BUFFER_SIZE/priv->video_interval_sum);
-
- // interpolate the skew in time
- pthread_mutex_lock(&priv->skew_mutex);
- xskew = priv->audio_skew + (interval - priv->audio_skew_measure_time)*priv->audio_skew_factor;
- pthread_mutex_unlock(&priv->skew_mutex);
- // correct extreme skew changes to avoid (especially) moving backwards in time
- if (xskew - prev_skew > (interval - prev_interval)*MAX_SKEW_DELTA) {
- skew = prev_skew + (interval - prev_interval)*MAX_SKEW_DELTA;
- } else if (xskew - prev_skew < -(interval - prev_interval)*MAX_SKEW_DELTA) {
- skew = prev_skew - (interval - prev_interval)*MAX_SKEW_DELTA;
- } else {
- skew = xskew;
- }
- }
-
- mp_msg(MSGT_TV, MSGL_DBG3, "\nfps = %f, interval = %f, a_skew = %f, corr_skew = %f\n",
- (interval != prev_interval) ? (double)1e6/(interval - prev_interval) : -1,
- (double)1e-6*interval, (double)1e-6*xskew, (double)1e-6*skew);
- mp_msg(MSGT_TV, MSGL_DBG3, "vcnt = %d, acnt = %d\n", priv->video_cnt, priv->audio_cnt);
-
- prev_skew = skew;
- prev_interval = interval;
-
- /* allocate a new buffer, if needed */
- pthread_mutex_lock(&priv->video_buffer_mutex);
- if (priv->video_buffer_size_current < priv->video_buffer_size_max) {
- if (priv->video_cnt == priv->video_buffer_size_current) {
- unsigned char *newbuf = calloc(priv->bytesperline, priv->height);
- if (newbuf) {
- memmove(priv->video_ringbuffer+priv->video_tail+1, priv->video_ringbuffer+priv->video_tail,
- (priv->video_buffer_size_current-priv->video_tail)*sizeof(unsigned char *));
- memmove(priv->video_timebuffer+priv->video_tail+1, priv->video_timebuffer+priv->video_tail,
- (priv->video_buffer_size_current-priv->video_tail)*sizeof(long long));
- priv->video_ringbuffer[priv->video_tail] = newbuf;
- if ((priv->video_head >= priv->video_tail) && (priv->video_cnt > 0)) priv->video_head++;
- priv->video_buffer_size_current++;
- }
- }
- }
- pthread_mutex_unlock(&priv->video_buffer_mutex);
-
- if (priv->video_cnt == priv->video_buffer_size_current) {
- if (!priv->immediate_mode) {
- mp_msg(MSGT_TV, MSGL_ERR, "\nvideo buffer full - dropping frame\n");
- }
- } else {
- if (priv->immediate_mode) {
- priv->video_timebuffer[priv->video_tail] = interval;
- } else {
- // compensate for audio skew
- // negative skew => there are more audio samples, increase interval
- // positive skew => less samples, shorten the interval
- priv->video_timebuffer[priv->video_tail] = interval - skew;
- }
-
- if ( priv->tv_param->mjpeg )
- copy_frame(priv, priv->video_ringbuffer[priv->video_tail],
- priv->mmap+(priv->mjpeg_bufsize)*i);
- else
- copy_frame(priv, priv->video_ringbuffer[priv->video_tail],
- priv->mmap+priv->mbuf.offsets[frame]);
- priv->video_tail = (priv->video_tail+1)%priv->video_buffer_size_current;
- priv->video_cnt++;
- }
-
- if ( priv->tv_param->mjpeg )
- {
- num = frame;
- if (ioctl(priv->video_fd, MJPIOC_QBUF_CAPT, &num) < 0)
- {
- mp_msg(MSGT_TV, MSGL_ERR, "\n MJP: ioctl MJPIOC_QBUF_CAPT end failed: %s\n",
- strerror(errno));
- continue;
- }
- }
- else
- {
- if (ioctl(priv->video_fd, VIDIOCMCAPTURE, &priv->buf[frame]) == -1)
- {
- mp_msg(MSGT_TV, MSGL_ERR, "\nioctl mcapture failed: %s\n", strerror(errno));
- continue;
- }
- }
- }
- }
- mp_msg(MSGT_TV, MSGL_INFO, " MJP: returning! \n");
- return NULL;
-}
-
-static double grab_video_frame(priv_t *priv, char *buffer, int len)
-{
- double interval;
-
- if (priv->first) {
- pthread_create(&priv->video_grabber_thread, NULL, video_grabber, priv);
- priv->first = 0;
- }
-
- while (priv->video_cnt == 0) {
- usleep(10000);
- }
-
- pthread_mutex_lock(&priv->video_buffer_mutex);
- interval = (double)priv->video_timebuffer[priv->video_head]*1e-6;
- fast_memcpy(buffer, priv->video_ringbuffer[priv->video_head], len);
- priv->video_cnt--;
- priv->video_head = (priv->video_head+1)%priv->video_buffer_size_current;
- pthread_mutex_unlock(&priv->video_buffer_mutex);
-
- return interval;
-}
-
-static int get_video_framesize(priv_t *priv)
-{
- return priv->bytesperline * priv->height;
-}
-
-static void *audio_grabber(void *data)
-{
- priv_t *priv = (priv_t*)data;
- struct timeval tv;
- int i, audio_skew_ptr = 0;
- long long current_time, prev_skew = 0;
-
- pthread_mutex_lock(&priv->audio_starter);
-
- audio_in_start_capture(&priv->audio_in);
- for (i = 0; i < priv->aud_skew_cnt; i++)
- priv->audio_skew_buffer[i] = 0;
-
- for (; !priv->shutdown;)
- {
- if (audio_in_read_chunk(&priv->audio_in, priv->audio_ringbuffer+priv->audio_tail*priv->audio_in.blocksize) < 0)
- continue;
-
- gettimeofday(&tv, NULL);
-
- priv->audio_recv_blocks_total++;
- current_time = (long long)1e6*tv.tv_sec + tv.tv_usec - priv->starttime;
-
- priv->audio_skew_total -= priv->audio_skew_buffer[audio_skew_ptr];
- priv->audio_skew_buffer[audio_skew_ptr] = current_time
- - 1e6*priv->audio_secs_per_block*priv->audio_recv_blocks_total;
- priv->audio_skew_total += priv->audio_skew_buffer[audio_skew_ptr];
- audio_skew_ptr = (audio_skew_ptr+1) % priv->aud_skew_cnt;
-
- pthread_mutex_lock(&priv->skew_mutex);
- // linear interpolation - here we interpolate current skew value
- // from the moving average, which we expect to be in the middle
- // of the interval
- if (priv->audio_recv_blocks_total > priv->aud_skew_cnt) {
- priv->audio_skew = priv->audio_skew_total/priv->aud_skew_cnt;
- priv->audio_skew += (priv->audio_skew*priv->aud_skew_cnt)/(2*priv->audio_recv_blocks_total-priv->aud_skew_cnt);
- } else {
- // this smoothes the evolution of audio_skew at startup a bit
- priv->audio_skew = ((priv->aud_skew_cnt+priv->audio_recv_blocks_total)*priv->audio_skew_total)/(priv->aud_skew_cnt*priv->audio_recv_blocks_total);
- }
- // current skew factor (assuming linearity)
- // used for further interpolation in video_grabber
- // probably overkill but seems to be necessary for
- // stress testing by dropping half of the audio frames ;)
- // especially when using ALSA with large block sizes
- // where audio_skew remains a long while behind
- if ((priv->audio_skew_measure_time != 0) && (current_time - priv->audio_skew_measure_time != 0)) {
- priv->audio_skew_factor = (double)(priv->audio_skew-prev_skew)/(current_time - priv->audio_skew_measure_time);
- } else {
- priv->audio_skew_factor = 0.0;
- }
-
- priv->audio_skew_measure_time = current_time;
- prev_skew = priv->audio_skew;
- pthread_mutex_unlock(&priv->skew_mutex);
-
- if ((priv->audio_tail+1) % priv->audio_buffer_size == priv->audio_head) {
- mp_msg(MSGT_TV, MSGL_ERR, "\ntoo bad - dropping audio frame !\n");
- priv->audio_drop++;
- } else {
- priv->audio_tail = (priv->audio_tail+1) % priv->audio_buffer_size;
- priv->audio_cnt++;
- }
- }
- return NULL;
-}
-
-static double grab_audio_frame(priv_t *priv, char *buffer, int len)
-{
- mp_dbg(MSGT_TV, MSGL_DBG2, "grab_audio_frame(priv=%p, buffer=%p, len=%d)\n",
- priv, buffer, len);
-
- if (priv->first) {
- pthread_create(&priv->video_grabber_thread, NULL, video_grabber, priv);
- priv->first = 0;
- }
-
- // compensate for dropped audio frames
- if (priv->audio_drop && (priv->audio_head == priv->audio_tail)) {
- priv->audio_drop--;
- priv->audio_sent_blocks_total++;
- memset(buffer, 0, len);
- return (double)priv->audio_sent_blocks_total*priv->audio_secs_per_block;
- }
-
- while (priv->audio_head == priv->audio_tail) {
- usleep(10000);
- }
- fast_memcpy(buffer, priv->audio_ringbuffer+priv->audio_head*priv->audio_in.blocksize, len);
- priv->audio_head = (priv->audio_head+1) % priv->audio_buffer_size;
- priv->audio_cnt--;
- priv->audio_sent_blocks_total++;
- return (double)priv->audio_sent_blocks_total*priv->audio_secs_per_block;
-}
-
-static int get_audio_framesize(priv_t *priv)
-{
- return priv->audio_in.blocksize;
-}