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authorMichael Niedermayer <michaelni@gmx.at>2013-04-11 00:32:50 +0200
committerMichael Niedermayer <michaelni@gmx.at>2013-04-11 00:33:31 +0200
commita4e0defa75b6f766aa31d80c55688d036b5fd87b (patch)
treeaad13d8b9f98ec3111ff405795a492fc31e2e881
parentcff8f91ddfbdef72be7ec3adec6adf3e92ae4a27 (diff)
parent0c2466dec719b933d161f5d680a57fde38aa5daa (diff)
downloadffmpeg-a4e0defa75b6f766aa31d80c55688d036b5fd87b.tar.gz
Merge commit '0c2466dec719b933d161f5d680a57fde38aa5daa'
* commit '0c2466dec719b933d161f5d680a57fde38aa5daa': vf_transpose: switch to an AVOptions-based system. Conflicts: doc/filters.texi libavfilter/vf_transpose.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--doc/filters.texi16
-rw-r--r--libavfilter/avfilter.c1
-rw-r--r--libavfilter/vf_transpose.c58
3 files changed, 40 insertions, 35 deletions
diff --git a/doc/filters.texi b/doc/filters.texi
index 01381e208f..96f15c5cc6 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -5540,17 +5540,15 @@ Vertical low-pass filtering can only be enabled for @option{mode}
Transpose rows with columns in the input video and optionally flip it.
-The filter accepts parameters as a list of @var{key}=@var{value}
-pairs, separated by ':'. If the key of the first options is omitted,
-the arguments are interpreted according to the syntax
-@var{dir}:@var{passthrough}.
+This filter accepts the following options:
@table @option
+
@item dir
-Specify the transposition direction. Can assume the following values:
+The direction of the transpose.
@table @samp
-@item 0, 4
+@item 0, 4, cclock_flip
Rotate by 90 degrees counterclockwise and vertically flip (default), that is:
@example
L.R L.l
@@ -5558,7 +5556,7 @@ L.R L.l
l.r R.r
@end example
-@item 1, 5
+@item 1, 5, clock
Rotate by 90 degrees clockwise, that is:
@example
L.R l.L
@@ -5566,7 +5564,7 @@ L.R l.L
l.r r.R
@end example
-@item 2, 6
+@item 2, 6, cclock
Rotate by 90 degrees counterclockwise, that is:
@example
L.R R.r
@@ -5574,7 +5572,7 @@ L.R R.r
l.r L.l
@end example
-@item 3, 7
+@item 3, 7, clock_flip
Rotate by 90 degrees clockwise and vertically flip, that is:
@example
L.R r.R
diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index 3adee34785..226008ee61 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -699,6 +699,7 @@ int avfilter_init_filter(AVFilterContext *filter, const char *args, void *opaque
!strcmp(filter->filter->name, "smartblur") ||
!strcmp(filter->filter->name, "subtitles") ||
!strcmp(filter->filter->name, "thumbnail") ||
+ !strcmp(filter->filter->name, "transpose") ||
// !strcmp(filter->filter->name, "scale" ) ||
!strcmp(filter->filter->name, "select") ||
0
diff --git a/libavfilter/vf_transpose.c b/libavfilter/vf_transpose.c
index ed870178e5..2b1fa1f0fa 100644
--- a/libavfilter/vf_transpose.c
+++ b/libavfilter/vf_transpose.c
@@ -32,6 +32,7 @@
#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
+#include "libavutil/opt.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
@@ -43,36 +44,22 @@ typedef enum {
TRANSPOSE_PT_TYPE_PORTRAIT,
} PassthroughType;
+enum TransposeDir {
+ TRANSPOSE_CCLOCK_FLIP,
+ TRANSPOSE_CLOCK,
+ TRANSPOSE_CCLOCK,
+ TRANSPOSE_CLOCK_FLIP,
+};
+
typedef struct {
const AVClass *class;
int hsub, vsub;
int pixsteps[4];
- /* 0 Rotate by 90 degrees counterclockwise and vflip. */
- /* 1 Rotate by 90 degrees clockwise. */
- /* 2 Rotate by 90 degrees counterclockwise. */
- /* 3 Rotate by 90 degrees clockwise and vflip. */
- int dir;
PassthroughType passthrough; ///< landscape passthrough mode enabled
+ enum TransposeDir dir;
} TransContext;
-#define OFFSET(x) offsetof(TransContext, x)
-#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
-
-static const AVOption transpose_options[] = {
- { "dir", "set transpose direction", OFFSET(dir), AV_OPT_TYPE_INT, {.i64=0}, 0, 7, FLAGS },
-
- { "passthrough", "do not apply transposition if the input matches the specified geometry",
- OFFSET(passthrough), AV_OPT_TYPE_INT, {.i64=TRANSPOSE_PT_TYPE_NONE}, 0, INT_MAX, FLAGS, "passthrough" },
- { "none", "always apply transposition", 0, AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_NONE}, INT_MIN, INT_MAX, FLAGS, "passthrough" },
- { "portrait", "preserve portrait geometry", 0, AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_PORTRAIT}, INT_MIN, INT_MAX, FLAGS, "passthrough" },
- { "landscape", "preserve landscape geometry", 0, AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_LANDSCAPE}, INT_MIN, INT_MAX, FLAGS, "passthrough" },
-
- { NULL },
-};
-
-AVFILTER_DEFINE_CLASS(transpose);
-
static int query_formats(AVFilterContext *ctx)
{
AVFilterFormats *pix_fmts = NULL;
@@ -236,6 +223,28 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
return ff_filter_frame(outlink, out);
}
+#define OFFSET(x) offsetof(TransContext, x)
+#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
+
+static const AVOption transpose_options[] = {
+ { "dir", "Transpose direction", OFFSET(dir), AV_OPT_TYPE_INT, { .i64 = TRANSPOSE_CCLOCK_FLIP },
+ TRANSPOSE_CCLOCK_FLIP, TRANSPOSE_CLOCK_FLIP, FLAGS, "dir" },
+ { "cclock_flip", "counter-clockwise with vertical flip", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CCLOCK_FLIP }, .unit = "dir" },
+ { "clock", "clockwise", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CLOCK }, .unit = "dir" },
+ { "cclock", "counter-clockwise", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CCLOCK }, .unit = "dir" },
+ { "clock_flip", "clockwise with vertical flip", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CLOCK_FLIP }, .unit = "dir" },
+
+ { "passthrough", "do not apply transposition if the input matches the specified geometry",
+ OFFSET(passthrough), AV_OPT_TYPE_INT, {.i64=TRANSPOSE_PT_TYPE_NONE}, 0, INT_MAX, FLAGS, "passthrough" },
+ { "none", "always apply transposition", 0, AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_NONE}, INT_MIN, INT_MAX, FLAGS, "passthrough" },
+ { "portrait", "preserve portrait geometry", 0, AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_PORTRAIT}, INT_MIN, INT_MAX, FLAGS, "passthrough" },
+ { "landscape", "preserve landscape geometry", 0, AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_LANDSCAPE}, INT_MIN, INT_MAX, FLAGS, "passthrough" },
+
+ { NULL },
+};
+
+AVFILTER_DEFINE_CLASS(transpose);
+
static const AVFilterPad avfilter_vf_transpose_inputs[] = {
{
.name = "default",
@@ -255,18 +264,15 @@ static const AVFilterPad avfilter_vf_transpose_outputs[] = {
{ NULL }
};
-static const char *const shorthand[] = { "dir", "passthrough", NULL };
-
AVFilter avfilter_vf_transpose = {
.name = "transpose",
.description = NULL_IF_CONFIG_SMALL("Transpose input video."),
.priv_size = sizeof(TransContext),
+ .priv_class = &transpose_class,
.query_formats = query_formats,
.inputs = avfilter_vf_transpose_inputs,
.outputs = avfilter_vf_transpose_outputs,
- .priv_class = &transpose_class,
- .shorthand = shorthand,
};