cmdline: Check options array for not working flag combinations

[ffmpeg] / cmdutils.c

diff --git a/cmdutils.c b/cmdutils.c
index 5a18cd56531cf71fdf43ce7ecbb9df080fa8fd95..db89256d0264a0c402bdee570ae78aca41270aec 100644 (file)
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -41,8 +41,10 @@
 #include "libavutil/avassert.h"
 #include "libavutil/avstring.h"
 #include "libavutil/bprint.h"
+#include "libavutil/display.h"
 #include "libavutil/mathematics.h"
 #include "libavutil/imgutils.h"
+#include "libavutil/libm.h"
 #include "libavutil/parseutils.h"
 #include "libavutil/pixdesc.h"
 #include "libavutil/eval.h"
@@ -480,10 +482,22 @@ static void dump_argument(const char *a)
     fputc('"', report_file);
 }
 
+static void check_options(const OptionDef *po)
+{
+    while (po->name) {
+        if (po->flags & OPT_PERFILE)
+            av_assert0(po->flags & (OPT_INPUT | OPT_OUTPUT));
+        po++;
+    }
+}
+
 void parse_loglevel(int argc, char **argv, const OptionDef *options)
 {
     int idx = locate_option(argc, argv, options, "loglevel");
     const char *env;
+
+    check_options(options);
+
     if (!idx)
         idx = locate_option(argc, argv, options, "v");
     if (idx && argv[idx + 1])
@@ -2073,6 +2087,30 @@ void *grow_array(void *array, int elem_size, int *size, int new_size)
     return array;
 }
 
+double get_rotation(AVStream *st)
+{
+    AVDictionaryEntry *rotate_tag = av_dict_get(st->metadata, "rotate", NULL, 0);
+    uint8_t* displaymatrix = av_stream_get_side_data(st,
+                                                     AV_PKT_DATA_DISPLAYMATRIX, NULL);
+    double theta = 0;
+
+    if (rotate_tag && *rotate_tag->value && strcmp(rotate_tag->value, "0")) {
+        char *tail;
+        theta = av_strtod(rotate_tag->value, &tail);
+        if (*tail)
+            theta = 0;
+    }
+    if (displaymatrix && !theta)
+        theta = av_display_rotation_get((int32_t*) displaymatrix);
+
+    theta -= 360*floor(theta/360 + 0.9/360);
+
+    if (fabs(theta - 90*round(theta/90)) > 2)
+        av_log_ask_for_sample(NULL, "Odd rotation angle\n");
+
+    return theta;
+}
+
 #if CONFIG_AVDEVICE
 static int print_device_sources(AVInputFormat *fmt, AVDictionary *opts)
 {
@@ -2229,4 +2267,5 @@ int show_sinks(void *optctx, const char *opt, const char *arg)
     av_log_set_level(error_level);
     return ret;
 }
+
 #endif