lavfi: check refcount before merging.

[ffmpeg] / ffmpeg_opt.c

diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c
index f7473fa24391705df650803350b977f83adb01fa..ab13d3cf16ee194406886d67b41e7cf3bc4fc659 100644 (file)
--- a/ffmpeg_opt.c
+++ b/ffmpeg_opt.c
@@ -104,7 +104,6 @@ float max_error_rate  = 2.0/3;
 static int intra_only         = 0;
 static int file_overwrite     = 0;
 static int no_file_overwrite  = 0;
-static int intra_dc_precision = 8;
 static int do_psnr            = 0;
 static int input_sync;
 static int override_ffserver  = 0;
@@ -1378,7 +1377,6 @@ static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, in
             if (p) p++;
         }
         video_enc->rc_override_count = i;
-        video_enc->intra_dc_precision = intra_dc_precision - 8;
 
         if (do_psnr)
             video_enc->flags|= CODEC_FLAG_PSNR;
@@ -2400,7 +2398,11 @@ static int opt_old2new(void *optctx, const char *opt, const char *arg)
 static int opt_bitrate(void *optctx, const char *opt, const char *arg)
 {
     OptionsContext *o = optctx;
-    if(!strcmp(opt, "b")){
+
+    if(!strcmp(opt, "ab")){
+        av_dict_set(&o->g->codec_opts, "b:a", arg, 0);
+        return 0;
+    } else if(!strcmp(opt, "b")){
         av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
         av_dict_set(&o->g->codec_opts, "b:v", arg, 0);
         return 0;
@@ -2928,8 +2930,6 @@ const OptionDef options[] = {
     { "top",          OPT_VIDEO | HAS_ARG | OPT_EXPERT  | OPT_INT| OPT_SPEC |
                       OPT_INPUT | OPT_OUTPUT,                                    { .off = OFFSET(top_field_first) },
         "top=1/bottom=0/auto=-1 field first", "" },
-    { "dc",           OPT_VIDEO | OPT_INT | HAS_ARG | OPT_EXPERT ,               { &intra_dc_precision },
-        "intra_dc_precision", "precision" },
     { "vtag",         OPT_VIDEO | HAS_ARG | OPT_EXPERT  | OPT_PERFILE |
                       OPT_OUTPUT,                                                { .func_arg = opt_old2new },
         "force video tag/fourcc", "fourcc/tag" },
@@ -2944,6 +2944,8 @@ const OptionDef options[] = {
     { "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
                           OPT_SPEC | OPT_OUTPUT,                                 { .off = OFFSET(forced_key_frames) },
         "force key frames at specified timestamps", "timestamps" },
+    { "ab",           OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT,            { .func_arg = opt_bitrate },
+        "audio bitrate (please use -b:a)", "bitrate" },
     { "b",            OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT,            { .func_arg = opt_bitrate },
         "video bitrate (please use -b:v)", "bitrate" },
     { "hwaccel",          OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |