doc/ffmpeg-bitstream-filters: fix typo in title

[ffmpeg] / ffplay.c

diff --git a/ffplay.c b/ffplay.c
index d6b17c206c0f61ce6c31f2c29d8750c126838cbe..d5985f73eaa92f683231f9a9799e5eaa1d665530 100644 (file)
--- a/ffplay.c
+++ b/ffplay.c
@@ -2300,6 +2300,7 @@ static int stream_component_open(VideoState *is, int stream_index)
     AVFormatContext *ic = is->ic;
     AVCodecContext *avctx;
     AVCodec *codec;
+    const char *forced_codec_name = NULL;
     AVDictionary *opts;
     AVDictionaryEntry *t = NULL;
 
@@ -2310,13 +2311,19 @@ static int stream_component_open(VideoState *is, int stream_index)
     codec = avcodec_find_decoder(avctx->codec_id);
 
     switch(avctx->codec_type){
-        case AVMEDIA_TYPE_AUDIO   : is->last_audio_stream    = stream_index; if(audio_codec_name   ) codec= avcodec_find_decoder_by_name(   audio_codec_name); break;
-        case AVMEDIA_TYPE_SUBTITLE: is->last_subtitle_stream = stream_index; if(subtitle_codec_name) codec= avcodec_find_decoder_by_name(subtitle_codec_name); break;
-        case AVMEDIA_TYPE_VIDEO   : is->last_video_stream    = stream_index; if(video_codec_name   ) codec= avcodec_find_decoder_by_name(   video_codec_name); break;
-    }
-    if (!codec)
+        case AVMEDIA_TYPE_AUDIO   : is->last_audio_stream    = stream_index; forced_codec_name =    audio_codec_name; break;
+        case AVMEDIA_TYPE_SUBTITLE: is->last_subtitle_stream = stream_index; forced_codec_name = subtitle_codec_name; break;
+        case AVMEDIA_TYPE_VIDEO   : is->last_video_stream    = stream_index; forced_codec_name =    video_codec_name; break;
+    }
+    if (forced_codec_name)
+        codec = avcodec_find_decoder_by_name(forced_codec_name);
+    if (!codec) {
+        if (forced_codec_name) fprintf(stderr, "No codec could be found with name '%s'\n", forced_codec_name);
+        else                   fprintf(stderr, "No codec could be found with id %d\n", avctx->codec_id);
         return -1;
+    }
 
+    avctx->codec_id = codec->id;
     avctx->workaround_bugs   = workaround_bugs;
     avctx->lowres            = lowres;
     if(avctx->lowres > codec->max_lowres){
@@ -3147,14 +3154,24 @@ static void opt_input_file(void *optctx, const char *filename)
     input_filename = filename;
 }
 
-static int opt_codec(void *o, const char *opt, const char *arg)
+static int opt_codec(void *optctx, const char *opt, const char *arg)
 {
-    switch(opt[strlen(opt)-1]){
-    case 'a' :    audio_codec_name = arg; break;
-    case 's' : subtitle_codec_name = arg; break;
-    case 'v' :    video_codec_name = arg; break;
-    }
-    return 0;
+   const char *spec = strchr(opt, ':');
+   if (!spec) {
+       fprintf(stderr, "No media specifier was specified in '%s' in option '%s'\n",
+               arg, opt);
+       return AVERROR(EINVAL);
+   }
+   spec++;
+   switch (spec[0]) {
+   case 'a' :    audio_codec_name = arg; break;
+   case 's' : subtitle_codec_name = arg; break;
+   case 'v' :    video_codec_name = arg; break;
+   default:
+       fprintf(stderr, "Invalid media specifier '%s' in option '%s'\n", spec, opt);
+       return AVERROR(EINVAL);
+   }
+   return 0;
 }
 
 static int dummy;
@@ -3202,7 +3219,10 @@ static const OptionDef options[] = {
     { "showmode", HAS_ARG, { .func_arg = opt_show_mode}, "select show mode (0 = video, 1 = waves, 2 = RDFT)", "mode" },
     { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, { .func_arg = opt_default }, "generic catch all option", "" },
     { "i", OPT_BOOL, { &dummy}, "read specified file", "input_file"},
-    { "codec", HAS_ARG, { .func_arg = opt_codec}, "force decoder", "decoder" },
+    { "codec", HAS_ARG, { .func_arg = opt_codec}, "force decoder", "decoder_name" },
+    { "acodec", HAS_ARG | OPT_STRING | OPT_EXPERT, {    &audio_codec_name }, "force audio decoder",    "decoder_name" },
+    { "scodec", HAS_ARG | OPT_STRING | OPT_EXPERT, { &subtitle_codec_name }, "force subtitle decoder", "decoder_name" },
+    { "vcodec", HAS_ARG | OPT_STRING | OPT_EXPERT, {    &video_codec_name }, "force video decoder",    "decoder_name" },
     { NULL, },
 };