From e67a87eac814c7805d18c983c43033a8a1bd62af Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Mon, 25 Feb 2013 21:21:29 +0100
Subject: vf_(no)format: switch to an AVOptions-based system.

---
 libavfilter/vf_format.c | 30 ++++++++++++++++++++++++++++--
 1 file changed, 28 insertions(+), 2 deletions(-)

(limited to 'libavfilter/vf_format.c')

diff --git a/libavfilter/vf_format.c b/libavfilter/vf_format.c
index 7e4a26e302..c08a707721 100644
--- a/libavfilter/vf_format.c
+++ b/libavfilter/vf_format.c
@@ -28,12 +28,16 @@
 #include "libavutil/internal.h"
 #include "libavutil/mem.h"
 #include "libavutil/pixdesc.h"
+#include "libavutil/opt.h"
+
 #include "avfilter.h"
 #include "formats.h"
 #include "internal.h"
 #include "video.h"
 
 typedef struct {
+    const AVClass *class;
+    char *pix_fmts;
     /**
      * List of flags telling if a given image format has been listed
      * as argument to the filter.
@@ -52,8 +56,8 @@ static av_cold int init(AVFilterContext *ctx, const char *args)
     enum AVPixelFormat pix_fmt;
 
     /* parse the list of formats */
-    for (cur = args; cur; cur = sep ? sep+1 : NULL) {
-        if (!(sep = strchr(cur, ':')))
+    for (cur = format->pix_fmts; cur; cur = sep ? sep + 1 : NULL) {
+        if (!(sep = strchr(cur, '|')))
             pix_fmt_name_len = strlen(cur);
         else
             pix_fmt_name_len = sep - cur;
@@ -92,6 +96,12 @@ static AVFilterFormats *make_format_list(FormatContext *format, int flag)
     return formats;
 }
 
+#define OFFSET(x) offsetof(FormatContext, x)
+static const AVOption options[] = {
+    { "pix_fmts", "A '|'-separated list of pixel formats", OFFSET(pix_fmts), AV_OPT_TYPE_STRING, .flags = AV_OPT_FLAG_VIDEO_PARAM },
+    { NULL },
+};
+
 #if CONFIG_FORMAT_FILTER
 static int query_formats_format(AVFilterContext *ctx)
 {
@@ -99,6 +109,13 @@ static int query_formats_format(AVFilterContext *ctx)
     return 0;
 }
 
+static const AVClass format_class = {
+    .class_name = "format",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
 static const AVFilterPad avfilter_vf_format_inputs[] = {
     {
         .name             = "default",
@@ -125,6 +142,7 @@ AVFilter avfilter_vf_format = {
     .query_formats = query_formats_format,
 
     .priv_size = sizeof(FormatContext),
+    .priv_class = &format_class,
 
     .inputs    = avfilter_vf_format_inputs,
     .outputs   = avfilter_vf_format_outputs,
@@ -138,6 +156,13 @@ static int query_formats_noformat(AVFilterContext *ctx)
     return 0;
 }
 
+static const AVClass noformat_class = {
+    .class_name = "noformat",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
 static const AVFilterPad avfilter_vf_noformat_inputs[] = {
     {
         .name             = "default",
@@ -164,6 +189,7 @@ AVFilter avfilter_vf_noformat = {
     .query_formats = query_formats_noformat,
 
     .priv_size = sizeof(FormatContext),
+    .priv_class = &noformat_class,
 
     .inputs    = avfilter_vf_noformat_inputs,
     .outputs   = avfilter_vf_noformat_outputs,
-- 
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