From 85663ef3020fe95f65c96de73201adac909cd07c Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sun, 28 Sep 2008 19:35:22 +0000
Subject: Move opt_default() and set_context_opts() to cmdutils so it can be
 used from the other tools as well.

Originally committed as revision 15450 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 cmdutils.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

(limited to 'cmdutils.c')

diff --git a/cmdutils.c b/cmdutils.c
index 505f55b282..8a01a0a37a 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -31,6 +31,7 @@
 #include "libswscale/swscale.h"
 #include "libpostproc/postprocess.h"
 #include "libavutil/avstring.h"
+#include "libavcodec/opt.h"
 #include "cmdutils.h"
 #include "version.h"
 #ifdef CONFIG_NETWORK
@@ -39,6 +40,11 @@
 
 #undef exit
 
+const char **opt_names;
+static int opt_name_count;
+AVCodecContext *avctx_opts[CODEC_TYPE_NB];
+AVFormatContext *avformat_opts;
+struct SwsContext *sws_opts;
 
 double parse_number_or_die(const char *context, const char *numstr, int type, double min, double max)
 {
@@ -160,6 +166,55 @@ unknown_opt:
     }
 }
 
+int opt_default(const char *opt, const char *arg){
+    int type;
+    const AVOption *o= NULL;
+    int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
+
+    for(type=0; type<CODEC_TYPE_NB; type++){
+        const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
+        if(o2)
+            o = av_set_string2(avctx_opts[type], opt, arg, 1);
+    }
+    if(!o)
+        o = av_set_string2(avformat_opts, opt, arg, 1);
+    if(!o)
+        o = av_set_string2(sws_opts, opt, arg, 1);
+    if(!o){
+        if(opt[0] == 'a')
+            o = av_set_string2(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg, 1);
+        else if(opt[0] == 'v')
+            o = av_set_string2(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg, 1);
+        else if(opt[0] == 's')
+            o = av_set_string2(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg, 1);
+    }
+    if(!o)
+        return -1;
+
+//    av_log(NULL, AV_LOG_ERROR, "%s:%s: %f 0x%0X\n", opt, arg, av_get_double(avctx_opts, opt, NULL), (int)av_get_int(avctx_opts, opt, NULL));
+
+    //FIXME we should always use avctx_opts, ... for storing options so there will not be any need to keep track of what i set over this
+    opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
+    opt_names[opt_name_count++]= o->name;
+
+    if(avctx_opts[0]->debug || avformat_opts->debug)
+        av_log_set_level(AV_LOG_DEBUG);
+    return 0;
+}
+
+void set_context_opts(void *ctx, void *opts_ctx, int flags)
+{
+    int i;
+    for(i=0; i<opt_name_count; i++){
+        char buf[256];
+        const AVOption *opt;
+        const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf));
+        /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */
+        if(str && ((opt->flags & flags) == flags))
+            av_set_string2(ctx, opt_names[i], str, 1);
+    }
+}
+
 void print_error(const char *filename, int err)
 {
     switch(err) {
-- 
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