* Linux DV1394 interface
* Copyright (c) 2003 Max Krasnyansky <maxk@qualcomm.com>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
+#include <poll.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
-#include <sys/poll.h>
-#include <sys/time.h>
-#include <time.h>
-#include <strings.h>
+#include "libavutil/internal.h"
+#include "libavutil/log.h"
+#include "libavutil/opt.h"
#include "libavformat/avformat.h"
-
-#undef DV1394_DEBUG
-
#include "libavformat/dv.h"
#include "dv1394.h"
struct dv1394_data {
+ AVClass *class;
int fd;
int channel;
int format;
return 0;
}
-static int dv1394_read_header(AVFormatContext * context, AVFormatParameters * ap)
+static int dv1394_read_header(AVFormatContext * context)
{
struct dv1394_data *dv = context->priv_data;
- dv->dv_demux = dv_init_demux(context);
+ dv->dv_demux = avpriv_dv_init_demux(context);
if (!dv->dv_demux)
goto failed;
- if (ap->standard && !strcasecmp(ap->standard, "pal"))
- dv->format = DV1394_PAL;
- else
- dv->format = DV1394_NTSC;
-
- if (ap->channel)
- dv->channel = ap->channel;
- else
- dv->channel = DV1394_DEFAULT_CHANNEL;
-
/* Open and initialize DV1394 device */
- dv->fd = open(context->filename, O_RDONLY);
+ dv->fd = avpriv_open(context->filename, O_RDONLY);
if (dv->fd < 0) {
av_log(context, AV_LOG_ERROR, "Failed to open DV interface: %s\n", strerror(errno));
goto failed;
struct dv1394_data *dv = context->priv_data;
int size;
- size = dv_get_packet(dv->dv_demux, pkt);
+ size = avpriv_dv_get_packet(dv->dv_demux, pkt);
if (size > 0)
return size;
av_log(context, AV_LOG_ERROR, "Failed to get status: %s\n", strerror(errno));
return AVERROR(EIO);
}
-#ifdef DV1394_DEBUG
- av_log(context, AV_LOG_DEBUG, "DV1394: status\n"
+ av_log(context, AV_LOG_TRACE, "DV1394: status\n"
"\tactive_frame\t%d\n"
"\tfirst_clear_frame\t%d\n"
"\tn_clear_frames\t%d\n"
"\tdropped_frames\t%d\n",
s.active_frame, s.first_clear_frame,
s.n_clear_frames, s.dropped_frames);
-#endif
dv->avail = s.n_clear_frames;
dv->index = s.first_clear_frame;
}
}
-#ifdef DV1394_DEBUG
- av_log(context, AV_LOG_DEBUG, "index %d, avail %d, done %d\n", dv->index, dv->avail,
+ av_log(context, AV_LOG_TRACE, "index %d, avail %d, done %d\n", dv->index, dv->avail,
dv->done);
-#endif
- size = dv_produce_packet(dv->dv_demux, pkt,
+ size = avpriv_dv_produce_packet(dv->dv_demux, pkt,
dv->ring + (dv->index * DV1394_PAL_FRAME_SIZE),
DV1394_PAL_FRAME_SIZE);
dv->index = (dv->index + 1) % DV1394_RING_FRAMES;
return 0;
}
-AVInputFormat dv1394_demuxer = {
+static const AVOption options[] = {
+ { "standard", "", offsetof(struct dv1394_data, format), AV_OPT_TYPE_INT, {.i64 = DV1394_NTSC}, DV1394_NTSC, DV1394_PAL, AV_OPT_FLAG_DECODING_PARAM, "standard" },
+ { "PAL", "", 0, AV_OPT_TYPE_CONST, {.i64 = DV1394_PAL}, 0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
+ { "NTSC", "", 0, AV_OPT_TYPE_CONST, {.i64 = DV1394_NTSC}, 0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
+ { "channel", "", offsetof(struct dv1394_data, channel), AV_OPT_TYPE_INT, {.i64 = DV1394_DEFAULT_CHANNEL}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
+ { NULL },
+};
+
+static const AVClass dv1394_class = {
+ .class_name = "DV1394 indev",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+AVInputFormat ff_dv1394_demuxer = {
.name = "dv1394",
.long_name = NULL_IF_CONFIG_SMALL("DV1394 A/V grab"),
.priv_data_size = sizeof(struct dv1394_data),
.read_header = dv1394_read_header,
.read_packet = dv1394_read_packet,
.read_close = dv1394_close,
- .flags = AVFMT_NOFILE
+ .flags = AVFMT_NOFILE,
+ .priv_class = &dv1394_class,
};