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Diffstat (limited to 'multimedia/ffmpeg-devel/files/grab_bsdbktr.c')
-rw-r--r--multimedia/ffmpeg-devel/files/grab_bsdbktr.c94
1 files changed, 45 insertions, 49 deletions
diff --git a/multimedia/ffmpeg-devel/files/grab_bsdbktr.c b/multimedia/ffmpeg-devel/files/grab_bsdbktr.c
index afb4b79574bb..3112fc9a9c94 100644
--- a/multimedia/ffmpeg-devel/files/grab_bsdbktr.c
+++ b/multimedia/ffmpeg-devel/files/grab_bsdbktr.c
@@ -1,6 +1,6 @@
/*
* FreeBSD video grab interface
- * Copyright (c) 2002 Steve O'Hara-Smith
+ * Copyright (c) 2002,2003,2004,2005 Steve O'Hara-Smith
* based on
* Linux video grab interface
* Copyright (c) 2000,2001 Gerard Lantau.
@@ -24,6 +24,10 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "avformat.h"
+#if defined __DragonFly__
+#include <dev/video/meteor/ioctl_meteor.h>
+#include <dev/video/bktr/ioctl_bt848.h>
+#else
#if __FreeBSD__ >= 502100
#include <dev/bktr/ioctl_meteor.h>
#include <dev/bktr/ioctl_bt848.h>
@@ -31,6 +35,7 @@
#include <machine/ioctl_meteor.h>
#include <machine/ioctl_bt848.h>
#endif
+#endif
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
@@ -80,7 +85,7 @@ static void catchsignal(int signal)
}
static int bktr_init (const char *video_device, int width, int height,
- int format, u_int8_t **video_buf_local, int *video_fd, int *tuner_fd,
+ int format, u_int8_t **video_buf, int *video_fd, int *tuner_fd,
int idev, double frequency)
{
struct meteor_geomet geo;
@@ -127,17 +132,15 @@ static int bktr_init (const char *video_device, int width, int height,
perror("Warning: Tuner not opened continuing");
}
-// *video_fd = open (video_device, O_RDONLY);
- *video_fd = open (video_device, O_RDWR);
+ *video_fd = open (video_device, O_RDONLY);
if (*video_fd < 0) {
perror (video_device);
- return AVERROR_IO;
+ return -1;
}
geo.rows = height;
geo.columns = width;
geo.frames = 1;
-// geo.oformat = METEOR_GEO_YUV_422 | METEOR_GEO_YUV_12;
geo.oformat = METEOR_GEO_YUV_PACKED;
switch (format) {
@@ -168,16 +171,19 @@ static int bktr_init (const char *video_device, int width, int height,
perror ("METEORSINPUT");
return -1;
}
- *video_buf_local = (u_int8_t *) mmap((void *)0, width*height*2,
+ *video_buf = (u_int8_t *) mmap((void *) 0, width*height*2,
PROT_READ, MAP_SHARED, *video_fd, (off_t) 0);
- if (*video_buf_local == MAP_FAILED) {
+ if (*video_buf == MAP_FAILED) {
perror ("mmap");
return -1;
}
if (frequency != 0.0) {
ioctl_frequency = (unsigned long)(frequency*16);
- if (ioctl(*tuner_fd, TVTUNER_SETFREQ, &ioctl_frequency)<0)
- perror("TVTUNER_SETFREQ");
+ if (*tuner_fd > 0)
+ {
+ if (ioctl(*tuner_fd, TVTUNER_SETFREQ, &ioctl_frequency)<0)
+ perror("TVTUNER_SETFREQ");
+ }
}
c = METEOR_CAP_CONTINOUS;
ioctl(*video_fd, METEORCAPTUR, &c);
@@ -186,29 +192,26 @@ static int bktr_init (const char *video_device, int width, int height,
return 0;
}
-static void bktr_getframe(VideoData *s)
+static void bktr_getframe(u_int64_t per_frame)
{
- int64_t curtime, delay;
- struct timespec ts;
-
- /* Calculate the time of the next frame */
- s->per_frame += int64_t_C(1000000);
-
- /* wait based on the frame rate */
- for(;;) {
- curtime = av_gettime();
- delay = s->per_frame * s->frame_rate_base / s->frame_rate - curtime;
- if (delay <= 0) {
- if (delay < int64_t_C(-1000000) * s->frame_rate_base / s->frame_rate) {
- /* printf("grabbing is %d frames late (dropping)\n", (int) -(delay / 16666)); */
- s->per_frame += int64_t_C(1000000);
- }
- break;
+ u_int64_t curtime;
+ static u_int64_t last_frame_time = 0;
+
+ curtime = av_gettime();
+ if (!last_frame_time)
+ last_frame_time = curtime;
+
+ if (!last_frame_time
+ || ((last_frame_time + per_frame) > curtime)) {
+ if (!usleep (last_frame_time + per_frame + per_frame/2 + per_frame/4 - curtime)) {
+ if (!nsignals)
+ printf ("\nSLEPT NO signals - %d microseconds late\n",
+ (int) (av_gettime() - last_frame_time - per_frame));
}
- ts.tv_sec = delay / 1000000;
- ts.tv_nsec = (delay % 1000000) * 1000;
- nanosleep(&ts, NULL);
}
+ nsignals = 0;
+
+ last_frame_time = curtime;
}
void bf_memcpy (char *dest, char *src, int size)
@@ -231,18 +234,13 @@ static int grab_read_packet(AVFormatContext *s1, AVPacket *pkt)
size = s->width * s->height;
halfsize = size << 1;
-// if (av_new_packet(pkt, size + halfsize) < 0)
if (av_new_packet(pkt, size + size) < 0)
- return AVERROR_IO;
-
- bktr_getframe (s);
-// pkt->pts = av_gettime() & ((1LL << 48) - 1);
- pkt->pts = av_gettime() * s->frame_rate / s->frame_rate_base;
+ return -AVERROR_IO;
+ bktr_getframe (s->per_frame);
+ pkt->pts = av_gettime() & ((1LL << 48) - 1);
bf_memcpy (pkt->data, video_buf, size + size);
-// bf_memcpy (pkt->data, video_buf, size + halfsize);
-// return size + halfsize;
return size + size;
}
@@ -260,18 +258,13 @@ static int grab_read_header (AVFormatContext *s1, AVFormatParameters *ap)
width = ap->width;
height = ap->height;
- frame_rate = ap->time_base.den;
+ frame_rate = ap->time_base.den;
frame_rate_base = ap->time_base.num;
- if((unsigned)width > 32767 || (unsigned)height > 32767)
- return -1;
-
st = av_new_stream(s1, 0);
if (!st)
return -ENOMEM;
- av_set_pts_info(st, 48, 1, 1000000); /* 48 bits pts in us */
-
s->width = width;
s->height = height;
s->frame_rate = frame_rate;
@@ -279,15 +272,16 @@ static int grab_read_header (AVFormatContext *s1, AVFormatParameters *ap)
s->per_frame = ((int64_t)1000000 * s->frame_rate_base) / s->frame_rate;
st->codec.codec_type = CODEC_TYPE_VIDEO;
-// st->codec.pix_fmt = PIX_FMT_YUV420P;
st->codec.pix_fmt = PIX_FMT_YUV422;
st->codec.codec_id = CODEC_ID_RAWVIDEO;
st->codec.width = width;
st->codec.height = height;
- st->codec.time_base.den = frame_rate;
- st->codec.time_base.num = frame_rate_base;
+ st->codec.time_base.den = frame_rate;
+ st->codec.time_base.num = frame_rate_base;
+
+ av_set_pts_info(st, 48, 1, 1000000); /* 48 bits pts in use */
- if (ap->standard) {
+ if (ap->standard) {
if (!strcasecmp(ap->standard, "pal"))
format = PAL;
if (!strcasecmp(ap->standard, "secam"))
@@ -298,7 +292,7 @@ static int grab_read_header (AVFormatContext *s1, AVFormatParameters *ap)
if (bktr_init (video_device, width, height, format, &video_buf,
&(s->fd), &(s->tuner_fd), -1, 0.0) < 0)
- return AVERROR_IO;
+ return -AVERROR_IO;
return 0;
}
@@ -308,6 +302,8 @@ static int grab_read_close (AVFormatContext *s1)
int c = METEOR_CAP_STOP_CONT;
ioctl(s->fd, METEORCAPTUR, &c);
+ c = METEOR_SIG_MODE_MASK;
+ ioctl(s->fd, METEORSSIGNAL, &c);
close(s->fd);
close(s->tuner_fd);
munmap((void *)video_buf, sizeof(video_buf));
generated by cgit v1.2.3 (git 2.25.1) at 2025-09-07 20:55:39 +0000