Simplify av_open_input_file

[ffmpeg] / libavcodec / apiexample.c

diff --git a/libavcodec/apiexample.c b/libavcodec/apiexample.c
index 2ddaeb1d52a57bff2dbef7a90acfea1a1b1788c1..793cfaa04072804d7d36072e19a6d10e08befbea 100644 (file)
--- a/libavcodec/apiexample.c
+++ b/libavcodec/apiexample.c
@@ -124,9 +124,6 @@ void audio_decode_example(const char *outfilename, const char *filename)
 
     printf("Audio decoding\n");
 
-    /* set end of buffer to 0 (this ensures that no overreading happens for damaged mpeg streams) */
-    memset(inbuf + INBUF_SIZE, 0, FF_INPUT_BUFFER_PADDING_SIZE);
-
     /* find the mpeg audio decoder */
     codec = avcodec_find_decoder(CODEC_ID_MP2);
     if (!codec) {
@@ -228,8 +225,6 @@ void video_encode_example(const char *filename)
         exit(1);
     }
 
-    /* the codec gives us the frame size, in samples */
-
     f = fopen(filename, "wb");
     if (!f) {
         fprintf(stderr, "could not open %s\n", filename);
@@ -341,11 +336,11 @@ void video_decode_example(const char *outfilename, const char *filename)
     picture= avcodec_alloc_frame();
 
     if(codec->capabilities&CODEC_CAP_TRUNCATED)
-        c->flags|= CODEC_FLAG_TRUNCATED; /* we dont send complete frames */
+        c->flags|= CODEC_FLAG_TRUNCATED; /* we do not send complete frames */
 
-    /* for some codecs, such as msmpeg4 and mpeg4, width and height
-       MUST be initialized there because these info are not available
-       in the bitstream */
+    /* For some codecs, such as msmpeg4 and mpeg4, width and height
+       MUST be initialized there because this information is not
+       available in the bitstream. */
 
     /* open it */
     if (avcodec_open(c, codec) < 0) {
@@ -438,8 +433,7 @@ int main(int argc, char **argv)
     /* must be called before using avcodec lib */
     avcodec_init();
 
-    /* register all the codecs (you can also register only the codec
-       you wish to have smaller code */
+    /* register all the codecs */
     avcodec_register_all();
 
     if (argc <= 1) {