aacpsy: fix "may be used uninitialized" warning

[ffmpeg] / cmdutils.c

diff --git a/cmdutils.c b/cmdutils.c
index 58f08f6b3ba8292a80423dc26fafbc5d1e2c6e10..2c8439499de8d969d3298a6d6d3eaf7d6557910f 100644 (file)
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -32,11 +32,13 @@
 #include "libavformat/avformat.h"
 #include "libavfilter/avfilter.h"
 #include "libavdevice/avdevice.h"
+#include "libavresample/avresample.h"
 #include "libswscale/swscale.h"
 #include "libswresample/swresample.h"
 #if CONFIG_POSTPROC
 #include "libpostproc/postprocess.h"
 #endif
+#include "libavutil/avassert.h"
 #include "libavutil/avstring.h"
 #include "libavutil/mathematics.h"
 #include "libavutil/parseutils.h"
@@ -54,6 +56,7 @@
 #endif
 
 struct SwsContext *sws_opts;
+SwrContext *swr_opts;
 AVDictionary *format_opts, *codec_opts;
 
 const int this_year = 2012;
@@ -66,6 +69,7 @@ void init_opts(void)
     sws_opts = sws_getContext(16, 16, 0, 16, 16, 0, SWS_BICUBIC,
                               NULL, NULL, NULL);
 #endif
+    swr_opts = swr_alloc();
 }
 
 void uninit_opts(void)
@@ -74,6 +78,7 @@ void uninit_opts(void)
     sws_freeContext(sws_opts);
     sws_opts = NULL;
 #endif
+    swr_free(&swr_opts);
     av_dict_free(&format_opts);
     av_dict_free(&codec_opts);
 }
@@ -415,10 +420,10 @@ void parse_loglevel(int argc, char **argv, const OptionDef *options)
 #define FLAGS(o) ((o)->type == AV_OPT_TYPE_FLAGS) ? AV_DICT_APPEND : 0
 int opt_default(const char *opt, const char *arg)
 {
-    const AVOption *oc, *of, *os;
+    const AVOption *oc, *of, *os, *oswr = NULL;
     char opt_stripped[128];
     const char *p;
-    const AVClass *cc = avcodec_get_class(), *fc = avformat_get_class(), *sc;
+    const AVClass *cc = avcodec_get_class(), *fc = avformat_get_class(), *sc, *swr_class;
 
     if (!(p = strchr(opt, ':')))
         p = opt + strlen(opt);
@@ -444,8 +449,17 @@ int opt_default(const char *opt, const char *arg)
         }
     }
 #endif
+    swr_class = swr_get_class();
+    if (!oc && !of && !os && (oswr = av_opt_find(&swr_class, opt, NULL, 0,
+                          AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ))) {
+        int ret = av_opt_set(swr_opts, opt, arg, 0);
+        if (ret < 0) {
+            av_log(NULL, AV_LOG_ERROR, "Error setting option %s.\n", opt);
+            return ret;
+        }
+    }
 
-    if (oc || of || os)
+    if (oc || of || os || oswr)
         return 0;
     av_log(NULL, AV_LOG_ERROR, "Unrecognized option '%s'\n", opt);
     return AVERROR_OPTION_NOT_FOUND;
@@ -534,38 +548,10 @@ int opt_max_alloc(const char *opt, const char *arg)
 
 int opt_cpuflags(const char *opt, const char *arg)
 {
-    static const AVOption cpuflags_opts[] = {
-        { "flags"   , NULL, 0, AV_OPT_TYPE_FLAGS, { 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
-        { "altivec" , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ALTIVEC  },    .unit = "flags" },
-        { "mmx"     , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_MMX      },    .unit = "flags" },
-        { "mmx2"    , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_MMX2     },    .unit = "flags" },
-        { "sse"     , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_SSE      },    .unit = "flags" },
-        { "sse2"    , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_SSE2     },    .unit = "flags" },
-        { "sse2slow", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_SSE2SLOW },    .unit = "flags" },
-        { "sse3"    , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_SSE3     },    .unit = "flags" },
-        { "sse3slow", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_SSE3SLOW },    .unit = "flags" },
-        { "ssse3"   , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_SSSE3    },    .unit = "flags" },
-        { "atom"    , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ATOM     },    .unit = "flags" },
-        { "sse4.1"  , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_SSE4     },    .unit = "flags" },
-        { "sse4.2"  , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_SSE42    },    .unit = "flags" },
-        { "avx"     , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_AVX      },    .unit = "flags" },
-        { "xop"     , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_XOP      },    .unit = "flags" },
-        { "fma4"    , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_FMA4     },    .unit = "flags" },
-        { "3dnow"   , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_3DNOW    },    .unit = "flags" },
-        { "3dnowext", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_3DNOWEXT },    .unit = "flags" },
-        { NULL },
-    };
-    static const AVClass class = {
-        .class_name = "cpuflags",
-        .item_name  = av_default_item_name,
-        .option     = cpuflags_opts,
-        .version    = LIBAVUTIL_VERSION_INT,
-    };
-    int flags = av_get_cpu_flags();
     int ret;
-    const AVClass *pclass = &class;
+    unsigned flags = av_get_cpu_flags();
 
-    if ((ret = av_opt_eval_flags(&pclass, &cpuflags_opts[0], arg, &flags)) < 0)
+    if ((ret = av_parse_cpu_caps(&flags, arg)) < 0)
         return ret;
 
     av_force_cpu_flags(flags);
@@ -613,7 +599,8 @@ static int warned_cfg = 0;
         const char *indent = flags & INDENT? "  " : "";                 \
         if (flags & SHOW_VERSION) {                                     \
             unsigned int version = libname##_version();                 \
-            av_log(NULL, level, "%slib%-11s %2d.%3d.%3d / %2d.%3d.%3d\n",\
+            av_log(NULL, level,                                         \
+                   "%slib%-11s %2d.%3d.%3d / %2d.%3d.%3d\n",            \
                    indent, #libname,                                    \
                    LIB##LIBNAME##_VERSION_MAJOR,                        \
                    LIB##LIBNAME##_VERSION_MINOR,                        \
@@ -642,6 +629,7 @@ static void print_all_libs_info(int flags, int level)
     PRINT_LIB_INFO(avformat, AVFORMAT, flags, level);
     PRINT_LIB_INFO(avdevice, AVDEVICE, flags, level);
     PRINT_LIB_INFO(avfilter, AVFILTER, flags, level);
+//    PRINT_LIB_INFO(avresample, AVRESAMPLE, flags, level);
     PRINT_LIB_INFO(swscale,  SWSCALE,  flags, level);
     PRINT_LIB_INFO(swresample,SWRESAMPLE,  flags, level);
 #if CONFIG_POSTPROC
@@ -1088,7 +1076,7 @@ int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
         case 's': type = AVMEDIA_TYPE_SUBTITLE;   break;
         case 'd': type = AVMEDIA_TYPE_DATA;       break;
         case 't': type = AVMEDIA_TYPE_ATTACHMENT; break;
-        default: abort(); // never reached, silence warning
+        default:  av_assert0(0);
         }
         if (type != st->codec->codec_type)
             return 0;
@@ -1121,6 +1109,12 @@ int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
                     return 1;
         }
         return 0;
+    } else if (*spec == '#') {
+        int sid;
+        char *endptr;
+        sid = strtol(spec + 1, &endptr, 0);
+        if (!*endptr)
+            return st->id == sid;
     } else if (!*spec) /* empty specifier, matches everything */
         return 1;