examples: rename avcodec.c to decoding_encoding.c

Restore the old name, which was more meaningful and consistent with the
names of the other examples.

.gitignore

@@ -36,7 +36,7 @@
 /doc/avoptions_format.texi
 /doc/doxy/html/
 /doc/examples/avio_reading
-/doc/examples/avcodec
+/doc/examples/decoding_encoding
 /doc/examples/demuxing_decoding
 /doc/examples/filter_audio
 /doc/examples/filtering_audio

configure

@@ -1284,7 +1284,7 @@ COMPONENT_LIST="
 
 EXAMPLE_LIST="
     avio_reading_example
-    avcodec_example
+    decoding_encoding_example
     demuxing_decoding_example
     filter_audio_example
     filtering_audio_example

doc/examples/Makefile

@@ -12,7 +12,7 @@ CFLAGS := $(shell pkg-config --cflags $(FFMPEG_LIBS)) $(CFLAGS)
 LDLIBS := $(shell pkg-config --libs $(FFMPEG_LIBS)) $(LDLIBS)
 
 EXAMPLES=       avio_reading                       \
-                avcodec                            \
+                decoding_encoding                  \
                 demuxing_decoding                  \
                 filtering_video                    \
                 filtering_audio                    \

doc/examples/avcodec.c → doc/examples/decoding_encoding.c

@@ -24,7 +24,7 @@
  * @file
  * libavcodec API use example.
  *
- * @example avcodec.c
+ * @example decoding_encoding.c
  * Note that libavcodec only handles codecs (mpeg, mpeg4, etc...),
  * not file formats (avi, vob, mp4, mov, mkv, mxf, flv, mpegts, mpegps, etc...). See library 'libavformat' for the
  * format handling