mirror of
https://github.com/mpv-player/mpv
synced 2024-12-14 02:45:43 +00:00
855f5990e5
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3221 b3059339-0415-0410-9bf9-f77b7e298cf2
785 lines
20 KiB
C
785 lines
20 KiB
C
/*
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v4l interface for libmpemux/tvi
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(C) Alex Beregszaszi <alex@naxine.org>
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Some ideas are based on xawtv/libng's grab-v4l.c written by
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Gerd Knorr <kraxel@bytesex.org>
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CODE IS UNDER DEVELOPMENT, NO FEATURE REQUESTS PLEASE!
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*/
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#include "config.h"
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#ifdef USE_TV
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#include <stdio.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <linux/videodev.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <stdlib.h>
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#include <string.h>
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#include "mp_msg.h"
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#include "../libao2/afmt.h"
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#include "../libvo/img_format.h"
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#include "../libvo/fastmemcpy.h"
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#include "tv.h"
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static tvi_info_t info = {
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"Video for Linux TV Input",
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"v4l",
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"Alex Beregszaszi <alex@naxine.org>",
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"under development"
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};
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typedef struct {
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/* general */
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char *video_device;
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int fd;
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struct video_capability capability;
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struct video_channel *channels;
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int act_channel;
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struct video_tuner tuner;
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/* video */
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struct video_picture picture;
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int format; /* output format */
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int width;
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int height;
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int bytesperline;
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struct video_mbuf mbuf;
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unsigned char *mmap;
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struct video_mmap *buf;
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int nbuf;
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int queue;
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/* audio */
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struct video_audio audio;
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} priv_t;
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#include "tvi_def.h"
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static const char *device_cap2name[] = {
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"capture", "tuner", "teletext", "overlay", "chromakey", "clipping",
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"frameram", "scales", "monochrome", "subcapture", "mpeg-decoder",
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"mpeg-encoder", "mjpeg-decoder", "mjpeg-encoder", NULL
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};
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static const char *device_palette2name[] = {
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"-", "grey", "hi240", "rgb16", "rgb24", "rgb32", "rgb15", "yuv422",
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"yuyv", "uyvy", "yuv420", "yuv411", "raw", "yuv422p", "yuv411p",
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"yuv420p", "yuv410p", NULL
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};
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#define PALETTE(x) ((x < sizeof(device_pal)/sizeof(char*)) ? device_pal[x] : "UNKNOWN")
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static const char *audio_mode2name[] = {
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"unknown", "mono", "stereo", "language1", "language2", NULL
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};
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static int palette2depth(int palette)
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{
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switch(palette)
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{
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/* component */
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case VIDEO_PALETTE_RGB555:
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return(15);
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case VIDEO_PALETTE_RGB565:
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return(16);
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case VIDEO_PALETTE_RGB24:
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return(24);
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case VIDEO_PALETTE_RGB32:
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return(32);
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/* planar */
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case VIDEO_PALETTE_YUV422P:
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case VIDEO_PALETTE_YUV411P:
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case VIDEO_PALETTE_YUV420P:
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case VIDEO_PALETTE_YUV410P:
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return(12);
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/* packed */
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case VIDEO_PALETTE_YUV422:
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case VIDEO_PALETTE_YUYV:
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case VIDEO_PALETTE_UYVY:
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case VIDEO_PALETTE_YUV420:
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case VIDEO_PALETTE_YUV411:
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return(16);
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}
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return(-1);
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}
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static int format2palette(int format)
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{
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switch(format)
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{
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case IMGFMT_RGB15:
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return(VIDEO_PALETTE_RGB555);
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case IMGFMT_RGB16:
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return(VIDEO_PALETTE_RGB565);
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case IMGFMT_RGB24:
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return(VIDEO_PALETTE_RGB24);
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case IMGFMT_RGB32:
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return(VIDEO_PALETTE_RGB32);
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case IMGFMT_YV12:
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return(VIDEO_PALETTE_YUV420P);
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case IMGFMT_UYVY:
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return(VIDEO_PALETTE_YUV422);
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}
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return(-1);
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}
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#if 0
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struct STRTAB {
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long nr;
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const char *str;
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};
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static struct STRTAB stereo[] = {
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{ 0, "auto" },
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{ VIDEO_SOUND_MONO, "mono" },
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{ VIDEO_SOUND_STEREO, "stereo" },
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{ VIDEO_SOUND_LANG1, "lang1" },
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{ VIDEO_SOUND_LANG2, "lang1" },
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{ -1, NULL }
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};
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static struct STRTAB norms_v4l[] = {
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{ VIDEO_MODE_PAL, "PAL" },
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{ VIDEO_MODE_NTSC, "NTSC" },
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{ VIDEO_MODE_SECAM, "SECAM" },
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{ VIDEO_MODE_AUTO, "AUTO" },
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{ -1, NULL }
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};
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static struct STRTAB norms_bttv[] = {
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{ VIDEO_MODE_PAL, "PAL" },
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{ VIDEO_MODE_NTSC, "NTSC" },
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{ VIDEO_MODE_SECAM, "SECAM" },
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{ 3, "PAL-NC" },
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{ 4, "PAL-M" },
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{ 5, "PAL-N" },
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{ 6, "NTSC-JP" },
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{ -1, NULL }
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};
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static unsigned short _format2palette[VIDEO_FMT_COUNT] = {
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0, /* unused */
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VIDEO_PALETTE_HI240, /* RGB8 */
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VIDEO_PALETTE_GREY,
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VIDEO_PALETTE_RGB555,
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VIDEO_PALETTE_RGB565,
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0,
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0,
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VIDEO_PALETTE_RGB24,
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VIDEO_PALETTE_RGB32,
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0,
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0,
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0,
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0,
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VIDEO_PALETTE_YUV422,
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VIDEO_PALETTE_YUV422P,
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VIDEO_PALETTE_YUV420P,
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};
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#define FMT2PAL(fmt) ((fmt < sizeof(format2palette)/sizeof(unsigned short)) ? \
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format2palette[fmt] : 0);
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const unsigned int vfmt_to_depth[] = {
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0,
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8,
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8,
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16,
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16,
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16,
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16,
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24,
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32,
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24,
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32,
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16,
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32,
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16,
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16,
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12,
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0,
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0,
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};
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#endif
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static int one = 1, zero = 0;
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tvi_handle_t *tvi_init_v4l(char *device)
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{
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tvi_handle_t *h;
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priv_t *priv;
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h = new_handle();
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if (!h)
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return(NULL);
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priv = h->priv;
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/* set video device name */
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if (!device)
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{
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priv->video_device = (char *)malloc(strlen("/dev/video0"));
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sprintf(priv->video_device, "/dev/video0");
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}
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else
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{
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priv->video_device = (char *)malloc(strlen(device));
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strcpy(priv->video_device, device);
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}
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return(h);
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}
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static int init(priv_t *priv, tvi_param_t *params)
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{
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int i;
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priv->fd = open(priv->video_device, O_RDWR);
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if (priv->fd == -1)
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{
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mp_msg(MSGT_TV, MSGL_ERR, "unable to open '%s': %s\n",
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priv->video_device, strerror(errno));
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goto err;
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}
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mp_msg(MSGT_TV, MSGL_V, "Video fd: %d\n", priv->fd);
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/* get capabilities (priv->capability is needed!) */
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if (ioctl(priv->fd, VIDIOCGCAP, &priv->capability) == -1)
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{
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mp_msg(MSGT_TV, MSGL_ERR, "ioctl get capabilites failed: %s\n", strerror(errno));
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goto err;
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}
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fcntl(priv->fd, F_SETFD, FD_CLOEXEC);
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// siginit();
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#if 0
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for (i=0; params[i].opt; i++)
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{
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if (!strcmp(params[i].opt, "input"))
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priv->input = (int)*(void **)params[i].value;
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}
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printf("priv->input: %d\n", priv->input);
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#endif
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mp_msg(MSGT_TV, MSGL_INFO, "Selected device: %s\n", priv->capability.name);
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mp_msg(MSGT_TV, MSGL_INFO, " Capabilites: ");
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for (i = 0; device_cap2name[i] != NULL; i++)
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if (priv->capability.type & (1 << i))
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mp_msg(MSGT_TV, MSGL_INFO, "%s ", device_cap2name[i]);
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mp_msg(MSGT_TV, MSGL_INFO, "\n");
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mp_msg(MSGT_TV, MSGL_INFO, " Device type: %d\n", priv->capability.type);
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mp_msg(MSGT_TV, MSGL_INFO, " Supported sizes: %dx%d => %dx%d\n",
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priv->capability.minwidth, priv->capability.minheight,
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priv->capability.maxwidth, priv->capability.maxheight);
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priv->width = priv->capability.minwidth;
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priv->height = priv->capability.minheight;
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mp_msg(MSGT_TV, MSGL_INFO, " Inputs: %d\n", priv->capability.channels);
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priv->channels = (struct video_channel *)malloc(sizeof(struct video_channel)*priv->capability.channels);
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memset(priv->channels, 0, sizeof(struct video_channel)*priv->capability.channels);
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for (i = 0; i < priv->capability.channels; i++)
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{
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priv->channels[i].channel = i;
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if (ioctl(priv->fd, VIDIOCGCHAN, &priv->channels[i]) == -1)
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{
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mp_msg(MSGT_TV, MSGL_ERR, "ioctl get channel failed: %s\n", strerror(errno));
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break;
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}
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mp_msg(MSGT_TV, MSGL_INFO, " %d: %s: %s%s%s%s (tuner:%d, norm:%d)\n", i,
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priv->channels[i].name,
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(priv->channels[i].flags & VIDEO_VC_TUNER) ? "tuner " : "",
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(priv->channels[i].flags & VIDEO_VC_AUDIO) ? "audio " : "",
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(priv->channels[i].flags & VIDEO_TYPE_TV) ? "tv " : "",
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(priv->channels[i].flags & VIDEO_TYPE_CAMERA) ? "camera " : "",
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priv->channels[i].tuners,
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priv->channels[i].norm);
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}
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if (priv->capability.audios)
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{
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mp_msg(MSGT_TV, MSGL_INFO, " Audio devices: %d\n", priv->capability.audios);
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for (i = 0; i < priv->capability.audios; i++)
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{
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priv->audio.audio = i;
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if (ioctl(priv->fd, VIDIOCGAUDIO, &priv->audio) == -1)
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{
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mp_msg(MSGT_TV, MSGL_ERR, "ioctl get audio failed: %s\n", strerror(errno));
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break;
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}
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mp_msg(MSGT_TV, MSGL_V, " %d: %s: ", priv->audio.audio,
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priv->audio.name);
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if (priv->audio.flags & VIDEO_AUDIO_MUTABLE)
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mp_msg(MSGT_TV, MSGL_V, "muted=%s ",
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(priv->audio.flags & VIDEO_AUDIO_MUTE) ? "yes" : "no");
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mp_msg(MSGT_TV, MSGL_V, "volume=%d bass=%d treble=%d balance=%d mode=%s\n",
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priv->audio.volume, priv->audio.bass, priv->audio.treble,
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priv->audio.balance, audio_mode2name[priv->audio.mode]);
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}
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}
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if (!(priv->capability.type & VID_TYPE_CAPTURE))
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{
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mp_msg(MSGT_TV, MSGL_ERR, "Only grabbing supported (for overlay use another program)\n");
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goto err;
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}
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/* map grab buffer */
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if (ioctl(priv->fd, VIDIOCGMBUF, &priv->mbuf) == -1)
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{
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mp_msg(MSGT_TV, MSGL_ERR, "ioctl get mbuf failed: %s\n", strerror(errno));
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goto err;
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}
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mp_msg(MSGT_TV, MSGL_V, "mbuf: size=%d, frames=%d\n",
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priv->mbuf.size, priv->mbuf.frames);
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priv->mmap = mmap(0, priv->mbuf.size, PROT_READ|PROT_WRITE,
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MAP_SHARED, priv->fd, 0);
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if (priv->mmap == (unsigned char *)-1)
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{
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mp_msg(MSGT_TV, MSGL_ERR, "Unabel to map memory for buffers: %s\n", strerror(errno));
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goto err;
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}
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mp_msg(MSGT_TV, MSGL_DBG2, "our buffer: %p\n", priv->mmap);
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/* num of buffers */
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priv->nbuf = priv->mbuf.frames;
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/* video buffers */
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priv->buf = (struct video_mmap *)malloc(priv->nbuf * sizeof(struct video_mmap));
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memset(priv->buf, 0, priv->nbuf * sizeof(struct video_mmap));
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return(1);
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err:
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if (priv->fd != -1)
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close(priv->fd);
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return(0);
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}
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static int uninit(priv_t *priv)
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{
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close(priv->fd);
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#warning "Implement uninit!"
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return(1);
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}
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static int start(priv_t *priv)
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{
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int i;
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if (ioctl(priv->fd, VIDIOCGPICT, &priv->picture) == -1)
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{
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mp_msg(MSGT_TV, MSGL_ERR, "ioctl get picture failed: %s\n", strerror(errno));
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return(0);
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}
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priv->picture.palette = format2palette(priv->format);
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priv->picture.depth = palette2depth(priv->picture.palette);
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priv->bytesperline = priv->width * priv->picture.depth / 8;
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mp_msg(MSGT_TV, MSGL_INFO, "Picture values:\n");
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mp_msg(MSGT_TV, MSGL_INFO, " Depth: %d, Palette: %d (Format: %s)\n", priv->picture.depth,
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priv->picture.palette, vo_format_name(priv->format));
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mp_msg(MSGT_TV, MSGL_INFO, " Brightness: %d, Hue: %d, Colour: %d, Contrast: %d\n",
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priv->picture.brightness, priv->picture.hue,
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priv->picture.colour, priv->picture.contrast);
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if (ioctl(priv->fd, VIDIOCSPICT, &priv->picture) == -1)
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{
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mp_msg(MSGT_TV, MSGL_ERR, "ioctl set picture failed: %s\n", strerror(errno));
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return(0);
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}
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priv->nbuf = priv->mbuf.frames;
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for (i=0; i < priv->nbuf; i++)
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{
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priv->buf[i].format = priv->picture.palette;
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priv->buf[i].frame = i;
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priv->buf[i].width = priv->width;
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priv->buf[i].height = priv->height;
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mp_msg(MSGT_TV, MSGL_DBG2, "buffer: %d => %p\n", i, &priv->buf[i]);
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}
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#if 0
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{
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struct video_play_mode pmode;
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pmode.mode = VID_PLAY_NORMAL;
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pmode.p1 = 1;
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pmode.p2 = 0;
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if (ioctl(priv->fd, VIDIOCSPLAYMODE, &pmode) == -1)
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{
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mp_msg(MSGT_TV, MSGL_ERR, "ioctl set play mode failed: %s\n", strerror(errno));
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// return(0);
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}
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}
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#endif
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#if 0
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{
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struct video_window win;
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win.x = 0;
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win.y = 0;
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win.width = priv->width;
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win.height = priv->height;
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win.chromakey = -1;
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win.flags = 0;
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ioctl(priv->fd, VIDIOCSWIN, &win);
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}
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/* start capture */
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if (ioctl(priv->fd, VIDIOCCAPTURE, &one) == -1)
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{
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mp_msg(MSGT_TV, MSGL_ERR, "ioctl capture failed: %s\n", strerror(errno));
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return(0);
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}
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#endif
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return(1);
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}
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static int control(priv_t *priv, int cmd, void *arg)
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{
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mp_msg(MSGT_TV, MSGL_DBG2, "debug: control(priv=%p, cmd=%d, arg=%p)\n",
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priv, cmd, arg);
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switch(cmd)
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{
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/* ========== GENERIC controls =========== */
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case TVI_CONTROL_IS_VIDEO:
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{
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if (priv->capability.type & VID_TYPE_CAPTURE)
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return(TVI_CONTROL_TRUE);
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return(TVI_CONTROL_FALSE);
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}
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case TVI_CONTROL_IS_AUDIO:
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#if 0 /* also disable audio for as it's not working! */
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if (priv->channels[priv->act_channel].flags & VIDEO_VC_AUDIO)
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return(TVI_CONTROL_TRUE);
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#endif
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return(TVI_CONTROL_FALSE);
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case TVI_CONTROL_IS_TUNER:
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{
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// if (priv->capability.type & VID_TYPE_TUNER)
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if (priv->channels[priv->act_channel].flags & VIDEO_VC_TUNER)
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return(TVI_CONTROL_TRUE);
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return(TVI_CONTROL_FALSE);
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}
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/* ========== VIDEO controls =========== */
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case TVI_CONTROL_VID_GET_FORMAT:
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{
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int output_fmt = -1;
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output_fmt = priv->format;
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(int)*(void **)arg = output_fmt;
|
|
mp_msg(MSGT_TV, MSGL_INFO, "Output format: %s\n", vo_format_name(output_fmt));
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
case TVI_CONTROL_VID_SET_FORMAT:
|
|
priv->format = (int)*(void **)arg;
|
|
return(TVI_CONTROL_TRUE);
|
|
case TVI_CONTROL_VID_GET_PLANES:
|
|
(int)*(void **)arg = 1; /* FIXME, also not needed at this time */
|
|
return(TVI_CONTROL_TRUE);
|
|
case TVI_CONTROL_VID_GET_BITS:
|
|
(int)*(void **)arg = palette2depth(format2palette(priv->format));
|
|
return(TVI_CONTROL_TRUE);
|
|
case TVI_CONTROL_VID_GET_WIDTH:
|
|
(int)*(void **)arg = priv->width;
|
|
return(TVI_CONTROL_TRUE);
|
|
case TVI_CONTROL_VID_CHK_WIDTH:
|
|
{
|
|
int req_width = (int)*(void **)arg;
|
|
|
|
mp_msg(MSGT_TV, MSGL_INFO, "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)*(void **)arg;
|
|
return(TVI_CONTROL_TRUE);
|
|
case TVI_CONTROL_VID_GET_HEIGHT:
|
|
(int)*(void **)arg = priv->height;
|
|
return(TVI_CONTROL_TRUE);
|
|
case TVI_CONTROL_VID_CHK_HEIGHT:
|
|
{
|
|
int req_height = (int)*(void **)arg;
|
|
|
|
mp_msg(MSGT_TV, MSGL_INFO, "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)*(void **)arg;
|
|
return(TVI_CONTROL_TRUE);
|
|
case TVI_CONTROL_VID_GET_PICTURE:
|
|
if (ioctl(priv->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->fd, VIDIOCSPICT, &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_BRIGHTNESS:
|
|
priv->picture.brightness = (int)*(void **)arg;
|
|
control(priv, TVI_CONTROL_VID_SET_PICTURE, 0);
|
|
return(TVI_CONTROL_TRUE);
|
|
case TVI_CONTROL_VID_SET_HUE:
|
|
priv->picture.hue = (int)*(void **)arg;
|
|
control(priv, TVI_CONTROL_VID_SET_PICTURE, 0);
|
|
return(TVI_CONTROL_TRUE);
|
|
case TVI_CONTROL_VID_SET_SATURATION:
|
|
priv->picture.colour = (int)*(void **)arg;
|
|
control(priv, TVI_CONTROL_VID_SET_PICTURE, 0);
|
|
return(TVI_CONTROL_TRUE);
|
|
case TVI_CONTROL_VID_SET_CONTRAST:
|
|
priv->picture.contrast = (int)*(void **)arg;
|
|
control(priv, TVI_CONTROL_VID_SET_PICTURE, 0);
|
|
return(TVI_CONTROL_TRUE);
|
|
|
|
/* ========== TUNER controls =========== */
|
|
case TVI_CONTROL_TUN_GET_FREQ:
|
|
{
|
|
unsigned long freq;
|
|
|
|
if (ioctl(priv->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)*(void **)arg = freq;
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
case TVI_CONTROL_TUN_SET_FREQ:
|
|
{
|
|
/* argument is in MHz ! */
|
|
unsigned long freq = (unsigned long)*(void **)arg;
|
|
|
|
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->fd, VIDIOCSFREQ, &freq) == -1)
|
|
{
|
|
mp_msg(MSGT_TV, MSGL_ERR, "ioctl set freq failed: %s\n", strerror(errno));
|
|
return(TVI_CONTROL_FALSE);
|
|
}
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
case TVI_CONTROL_TUN_GET_TUNER:
|
|
{
|
|
if (ioctl(priv->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_INFO, "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->fd, VIDIOCSTUNER, &priv->tuner) == -1)
|
|
{
|
|
mp_msg(MSGT_TV, MSGL_ERR, "ioctl get tuner failed: %s\n", strerror(errno));
|
|
return(TVI_CONTROL_FALSE);
|
|
}
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
case TVI_CONTROL_TUN_SET_NORM:
|
|
{
|
|
int req_mode = (int)*(void **)arg;
|
|
|
|
if ((!(priv->tuner.flags & VIDEO_TUNER_NORM)) ||
|
|
((req_mode == VIDEO_MODE_PAL) && !(priv->tuner.flags & VIDEO_TUNER_PAL)) ||
|
|
((req_mode == VIDEO_MODE_NTSC) && !(priv->tuner.flags & VIDEO_TUNER_NTSC)) ||
|
|
((req_mode == VIDEO_MODE_SECAM) && !(priv->tuner.flags & VIDEO_TUNER_SECAM)))
|
|
{
|
|
mp_msg(MSGT_TV, MSGL_ERR, "Tuner isn't capable to set norm!\n");
|
|
return(TVI_CONTROL_FALSE);
|
|
}
|
|
|
|
priv->tuner.mode = req_mode;
|
|
|
|
if (control(priv->fd, TVI_CONTROL_TUN_SET_TUNER, &priv->tuner) != TVI_CONTROL_TRUE)
|
|
return(TVI_CONTROL_FALSE);
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
case TVI_CONTROL_TUN_GET_NORM:
|
|
{
|
|
(int)*(void **)arg = priv->tuner.mode;
|
|
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
|
|
/* ========== AUDIO controls =========== */
|
|
case TVI_CONTROL_AUD_GET_FORMAT:
|
|
{
|
|
(int)*(void **)arg = AFMT_S16_LE;
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
case TVI_CONTROL_AUD_GET_CHANNELS:
|
|
{
|
|
(int)*(void **)arg = 2;
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
case TVI_CONTROL_AUD_GET_SAMPLERATE:
|
|
{
|
|
(int)*(void **)arg = 44100;
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
case TVI_CONTROL_AUD_GET_SAMPLESIZE:
|
|
{
|
|
(int)*(void **)arg = 76000;
|
|
return(TVI_CONTROL_TRUE);
|
|
}
|
|
|
|
/* ========== SPECIFIC controls =========== */
|
|
case TVI_CONTROL_SPC_GET_INPUT:
|
|
{
|
|
int req_chan = (int)*(void **)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->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)*(void **)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);
|
|
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->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);
|
|
}
|
|
}
|
|
|
|
return(TVI_CONTROL_UNKNOWN);
|
|
}
|
|
|
|
static int grab_video_frame(priv_t *priv, char *buffer, int len)
|
|
{
|
|
int frame = priv->queue % priv->nbuf;
|
|
int nextframe = (priv->queue+1) % priv->nbuf;
|
|
|
|
mp_dbg(MSGT_TV, MSGL_DBG2, "grab_video_frame(priv=%p, buffer=%p, len=%d\n",
|
|
priv, buffer, len);
|
|
|
|
mp_dbg(MSGT_TV, MSGL_DBG3, "buf: %p + frame: %d => %p\n",
|
|
priv->buf, nextframe, &priv->buf[nextframe]);
|
|
if (ioctl(priv->fd, VIDIOCMCAPTURE, &priv->buf[nextframe]) == -1)
|
|
{
|
|
mp_msg(MSGT_TV, MSGL_ERR, "ioctl mcapture failed: %s\n", strerror(errno));
|
|
return(0);
|
|
}
|
|
|
|
if (ioctl(priv->fd, VIDIOCSYNC, &priv->buf[frame].frame) == -1)
|
|
mp_msg(MSGT_TV, MSGL_ERR, "ioctl sync failed: %s\n", strerror(errno));
|
|
priv->queue++;
|
|
|
|
mp_dbg(MSGT_TV, MSGL_DBG3, "mmap: %p + offset: %d => %p\n",
|
|
priv->mmap, priv->mbuf.offsets[frame],
|
|
priv->mmap+priv->mbuf.offsets[frame]);
|
|
|
|
/* XXX also directrendering would be nicer! */
|
|
/* 3 times copying the same picture to other buffer :( */
|
|
|
|
/* copy the actual frame */
|
|
memcpy(buffer, priv->mmap+priv->mbuf.offsets[frame], len);
|
|
|
|
return(len);
|
|
}
|
|
|
|
static int get_video_framesize(priv_t *priv)
|
|
{
|
|
return(priv->bytesperline * priv->height);
|
|
}
|
|
|
|
static int grab_audio_frame(priv_t *priv, char *buffer, int len)
|
|
{
|
|
return(65536);
|
|
}
|
|
|
|
static int get_audio_framesize(priv_t *priv)
|
|
{
|
|
return(65536);
|
|
}
|
|
|
|
#endif /* USE_TV */
|