Merge commit '9087eaf1'

* commit '9087eaf1':
  vf_overlay: switch to an AVOptions-based system.

Conflicts:
	doc/filters.texi
	libavfilter/vf_overlay.c
Merged-by: NMichael Niedermayer <michaelni@gmx.at>

doc/filters.texi

@@ -4264,9 +4264,7 @@ Overlay one video on top of another.
 It takes two inputs and one output, the first input is the "main"
 video on which the second input is overlayed.
 
-This filter accepts a list of @var{key}=@var{value} pairs as argument,
-separated by ":". If the key of the first options is omitted, the
-arguments are interpreted according to the syntax @var{x}:@var{y}.
+This filter accepts the following parameters:
 
 A description of the accepted options follows.
 
@@ -4412,7 +4410,7 @@ ffmpeg -i input -i logo -filter_complex 'overlay=10:main_h-overlay_h-10' output
 Insert 2 different transparent PNG logos (second logo on bottom
 right corner) using the @command{ffmpeg} tool:
 @example
-ffmpeg -i input -i logo1 -i logo2 -filter_complex 'overlay=10:H-h-10,overlay=W-w-10:H-h-10' output
+ffmpeg -i input -i logo1 -i logo2 -filter_complex 'overlay=x=10:y=H-h-10,overlay=x=W-w-10:y=H-h-10' output
 @end example
 
 @item

libavfilter/avfilter.c

@@ -676,6 +676,7 @@ int avfilter_init_filter(AVFilterContext *filter, const char *args, void *opaque
         !strcmp(filter->filter->name, "lutyuv"     ) ||
         !strcmp(filter->filter->name, "lutrgb"     ) ||
         !strcmp(filter->filter->name, "negate"     ) ||
+        !strcmp(filter->filter->name, "overlay"    ) ||
         !strcmp(filter->filter->name,   "format") ||
         !strcmp(filter->filter->name, "noformat") ||
         !strcmp(filter->filter->name, "resample") ||

libavfilter/vf_overlay.c

@@ -36,6 +36,7 @@
 #include "libavutil/pixdesc.h"
 #include "libavutil/imgutils.h"
 #include "libavutil/mathematics.h"
+#include "libavutil/opt.h"
 #include "libavutil/timestamp.h"
 #include "internal.h"
 #include "bufferqueue.h"
@@ -111,35 +112,11 @@ typedef struct {
     int shortest;               ///< terminate stream when the shortest input terminates
 
     double var_values[VAR_VARS_NB];
-    char *x_expr, *y_expr, *enable_expr;
+    char *x_expr, *y_expr;
+    char *enable_expr;
     AVExpr *x_pexpr, *y_pexpr, *enable_pexpr;
 } OverlayContext;
 
-#define OFFSET(x) offsetof(OverlayContext, x)
-#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
-
-static const AVOption overlay_options[] = {
-    { "x", "set the x expression", OFFSET(x_expr), AV_OPT_TYPE_STRING, {.str = "0"}, CHAR_MIN, CHAR_MAX, FLAGS },
-    { "y", "set the y expression", OFFSET(y_expr), AV_OPT_TYPE_STRING, {.str = "0"}, CHAR_MIN, CHAR_MAX, FLAGS },
-    { "enable", "set expression which enables overlay", OFFSET(enable_expr), AV_OPT_TYPE_STRING, {.str = "1"}, .flags = FLAGS },
-
-    { "eval", "specify when to evaluate expressions", OFFSET(eval_mode), AV_OPT_TYPE_INT, {.i64 = EVAL_MODE_FRAME}, 0, EVAL_MODE_NB-1, FLAGS, "eval" },
-    { "init",  "eval expressions once during initialization", 0, AV_OPT_TYPE_CONST, {.i64=EVAL_MODE_INIT}, .flags = FLAGS, .unit = "eval" },
-    { "frame", "eval expressions per-frame",   0, AV_OPT_TYPE_CONST, {.i64=EVAL_MODE_FRAME}, .flags = FLAGS, .unit = "eval" },
-
-    { "rgb", "force packed RGB in input and output (deprecated)", OFFSET(allow_packed_rgb), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS },
-    { "shortest", "force termination when the shortest input terminates", OFFSET(shortest), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },
-
-    { "format", "set output format", OFFSET(format), AV_OPT_TYPE_INT, {.i64=OVERLAY_FORMAT_YUV420}, 0, OVERLAY_FORMAT_NB-1, FLAGS, "format" },
-    { "yuv420", "", 0, AV_OPT_TYPE_CONST, {.i64=OVERLAY_FORMAT_YUV420}, .flags = FLAGS, .unit = "format" },
-    { "yuv444", "", 0, AV_OPT_TYPE_CONST, {.i64=OVERLAY_FORMAT_YUV444}, .flags = FLAGS, .unit = "format" },
-    { "rgb",    "", 0, AV_OPT_TYPE_CONST, {.i64=OVERLAY_FORMAT_RGB},    .flags = FLAGS, .unit = "format" },
-
-    { NULL }
-};
-
-AVFILTER_DEFINE_CLASS(overlay);
-
 static av_cold int init(AVFilterContext *ctx, const char *args)
 {
     OverlayContext *over = ctx->priv;
@@ -720,6 +697,31 @@ static int request_frame(AVFilterLink *outlink)
     return 0;
 }
 
+#define OFFSET(x) offsetof(OverlayContext, x)
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
+
+static const AVOption overlay_options[] = {
+    { "x", "set the x expression", OFFSET(x_expr), AV_OPT_TYPE_STRING, {.str = "0"}, CHAR_MIN, CHAR_MAX, FLAGS },
+    { "y", "set the y expression", OFFSET(y_expr), AV_OPT_TYPE_STRING, {.str = "0"}, CHAR_MIN, CHAR_MAX, FLAGS },
+    { "enable", "set expression which enables overlay", OFFSET(enable_expr), AV_OPT_TYPE_STRING, {.str = "1"}, .flags = FLAGS },
+
+    { "eval", "specify when to evaluate expressions", OFFSET(eval_mode), AV_OPT_TYPE_INT, {.i64 = EVAL_MODE_FRAME}, 0, EVAL_MODE_NB-1, FLAGS, "eval" },
+    { "init",  "eval expressions once during initialization", 0, AV_OPT_TYPE_CONST, {.i64=EVAL_MODE_INIT}, .flags = FLAGS, .unit = "eval" },
+    { "frame", "eval expressions per-frame",   0, AV_OPT_TYPE_CONST, {.i64=EVAL_MODE_FRAME}, .flags = FLAGS, .unit = "eval" },
+
+    { "rgb", "force packed RGB in input and output (deprecated)", OFFSET(allow_packed_rgb), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS },
+    { "shortest", "force termination when the shortest input terminates", OFFSET(shortest), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },
+
+    { "format", "set output format", OFFSET(format), AV_OPT_TYPE_INT, {.i64=OVERLAY_FORMAT_YUV420}, 0, OVERLAY_FORMAT_NB-1, FLAGS, "format" },
+    { "yuv420", "", 0, AV_OPT_TYPE_CONST, {.i64=OVERLAY_FORMAT_YUV420}, .flags = FLAGS, .unit = "format" },
+    { "yuv444", "", 0, AV_OPT_TYPE_CONST, {.i64=OVERLAY_FORMAT_YUV444}, .flags = FLAGS, .unit = "format" },
+    { "rgb",    "", 0, AV_OPT_TYPE_CONST, {.i64=OVERLAY_FORMAT_RGB},    .flags = FLAGS, .unit = "format" },
+
+    { NULL }
+};
+
+AVFILTER_DEFINE_CLASS(overlay);
+
 static const AVFilterPad avfilter_vf_overlay_inputs[] = {
     {
         .name         = "main",
@@ -758,6 +760,7 @@ AVFilter avfilter_vf_overlay = {
     .uninit    = uninit,
 
     .priv_size = sizeof(OverlayContext),
+    .priv_class = &overlay_class,
 
     .query_formats = query_formats,
     .process_command = process_command,