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dv1394: add a private option for video standard.

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This commit is contained in:
Anton Khirnov 2011-05-23 20:58:07 +02:00
parent e199eb44fd
commit eb040dbbd3
1 changed files with 25 additions and 5 deletions
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30
libavdevice/dv1394.c
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@ -30,6 +30,8 @@
#include <time.h>
#include <strings.h>
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "libavformat/avformat.h"
#undef DV1394_DEBUG
@ -38,6 +40,7 @@
#include "dv1394.h"
struct dv1394_data {
AVClass *class;
int fd;
int channel;
int format;
@ -90,10 +93,12 @@ static int dv1394_read_header(AVFormatContext * context, AVFormatParameters * ap
if (!dv->dv_demux)
goto failed;
if (ap->standard && !strcasecmp(ap->standard, "pal"))
dv->format = DV1394_PAL;
else
dv->format = DV1394_NTSC;
if (ap->standard) {
if (!strcasecmp(ap->standard, "pal"))
dv->format = DV1394_PAL;
else
dv->format = DV1394_NTSC;
}
if (ap->channel)
dv->channel = ap->channel;
@ -227,6 +232,20 @@ static int dv1394_close(AVFormatContext * context)
return 0;
}
static const AVOption options[] = {
{ "standard", "", offsetof(struct dv1394_data, format), FF_OPT_TYPE_INT, {.dbl = DV1394_NTSC}, DV1394_PAL, DV1394_NTSC, AV_OPT_FLAG_DECODING_PARAM, "standard" },
{ "PAL", "", 0, FF_OPT_TYPE_CONST, {.dbl = DV1394_PAL}, 0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
{ "NTSC", "", 0, FF_OPT_TYPE_CONST, {.dbl = DV1394_NTSC}, 0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
{ 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"),
@ -234,5 +253,6 @@ AVInputFormat ff_dv1394_demuxer = {
.read_header = dv1394_read_header,
.read_packet = dv1394_read_packet,
.read_close = dv1394_close,
.flags = AVFMT_NOFILE
.flags = AVFMT_NOFILE,
.priv_class = &dv1394_class,
};