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authorAnton Khirnov <anton@khirnov.net>2011-05-24 07:43:01 +0200
committerAnton Khirnov <anton@khirnov.net>2011-05-27 06:52:51 +0200
commit33e036967253b83621f378a75d3e4ed199bf4508 (patch)
tree51bddcdf12cc1df1041fcba1d025e02660146978 /libavdevice
parent3577416212d992f63352f3695c6eb1b63567503d (diff)
bktr: add video_size private option.
Diffstat (limited to 'libavdevice')
-rw-r--r--libavdevice/bktr.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/libavdevice/bktr.c b/libavdevice/bktr.c
index 810bdd67b9..e8ff557b73 100644
--- a/libavdevice/bktr.c
+++ b/libavdevice/bktr.c
@@ -27,6 +27,7 @@
#include "libavformat/avformat.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
+#include "libavutil/parseutils.h"
#if HAVE_DEV_BKTR_IOCTL_METEOR_H && HAVE_DEV_BKTR_IOCTL_BT848_H
# include <dev/bktr/ioctl_meteor.h>
# include <dev/bktr/ioctl_bt848.h>
@@ -57,6 +58,7 @@ typedef struct {
int frame_rate_base;
uint64_t per_frame;
int standard;
+ char *video_size; /**< String describing video size, set by a private option. */
} VideoData;
@@ -251,13 +253,21 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
int frame_rate_base;
int ret = 0;
- if (ap->width <= 0 || ap->height <= 0 || ap->time_base.den <= 0) {
+ if (ap->time_base.den <= 0) {
ret = AVERROR(EINVAL);
goto out;
}
- width = ap->width;
- height = ap->height;
+ if ((ret = av_parse_video_size(&width, &height, s->video_size)) < 0) {
+ av_log(s1, AV_LOG_ERROR, "Couldn't parse video size.\n");
+ goto out;
+ }
+#if FF_API_FORMAT_PARAMETERS
+ if (ap->width > 0)
+ width = ap->width;
+ if (ap->height > 0)
+ height = ap->height;
+#endif
frame_rate = ap->time_base.den;
frame_rate_base = ap->time_base.num;
@@ -303,6 +313,7 @@ static int grab_read_header(AVFormatContext *s1, AVFormatParameters *ap)
last_frame_time = 0;
out:
+ av_freep(&s->video_size);
return ret;
}
@@ -324,6 +335,8 @@ static int grab_read_close(AVFormatContext *s1)
return 0;
}
+#define OFFSET(x) offsetof(VideoData, x)
+#define DEC AV_OPT_FLAG_DECODING_PARAM
static const AVOption options[] = {
{ "standard", "", offsetof(VideoData, standard), FF_OPT_TYPE_INT, {.dbl = VIDEO_FORMAT}, PAL, NTSCJ, AV_OPT_FLAG_DECODING_PARAM, "standard" },
{ "PAL", "", 0, FF_OPT_TYPE_CONST, {.dbl = PAL}, 0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
@@ -332,6 +345,7 @@ static const AVOption options[] = {
{ "PALN", "", 0, FF_OPT_TYPE_CONST, {.dbl = PALN}, 0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
{ "PALM", "", 0, FF_OPT_TYPE_CONST, {.dbl = PALM}, 0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
{ "NTSCJ", "", 0, FF_OPT_TYPE_CONST, {.dbl = NTSCJ}, 0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
+ { "video_size", "A string describing frame size, such as 640x480 or hd720.", OFFSET(video_size), FF_OPT_TYPE_STRING, {.str = "vga"}, 0, 0, DEC },
{ NULL },
};