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authorMichael Niedermayer <michaelni@gmx.at>2002-09-19 18:24:52 +0000
committerMichael Niedermayer <michaelni@gmx.at>2002-09-19 18:24:52 +0000
commite8b62df6e44344033fef60015f938ff940affd27 (patch)
tree937715af5c57b91f763174417a4b2a2026b482c7 /libavcodec/apiexample.c
parentb71901e6ee279f85c06f1ad3ad34b65b8d823a26 (diff)
fixing apiexample
Originally committed as revision 958 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/apiexample.c')
-rw-r--r--libavcodec/apiexample.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/libavcodec/apiexample.c b/libavcodec/apiexample.c
index cab7d79b69..af339571b1 100644
--- a/libavcodec/apiexample.c
+++ b/libavcodec/apiexample.c
@@ -19,7 +19,7 @@
void audio_encode_example(const char *filename)
{
AVCodec *codec;
- AVCodecContext codec_context, *c = &codec_context;
+ AVCodecContext *c= NULL;
int frame_size, i, j, out_size, outbuf_size;
FILE *f;
short *samples;
@@ -35,9 +35,8 @@ void audio_encode_example(const char *filename)
exit(1);
}
- /* put default values */
- memset(c, 0, sizeof(*c));
-
+ c= avcodec_alloc_context();
+
/* put sample parameters */
c->bit_rate = 64000;
c->sample_rate = 44100;
@@ -79,6 +78,7 @@ void audio_encode_example(const char *filename)
free(samples);
avcodec_close(c);
+ free(c);
}
/*
@@ -87,7 +87,7 @@ void audio_encode_example(const char *filename)
void audio_decode_example(const char *outfilename, const char *filename)
{
AVCodec *codec;
- AVCodecContext codec_context, *c = &codec_context;
+ AVCodecContext *c= NULL;
int out_size, size, len;
FILE *f, *outfile;
UINT8 *outbuf;
@@ -102,8 +102,7 @@ void audio_decode_example(const char *outfilename, const char *filename)
exit(1);
}
- /* put default values */
- memset(c, 0, sizeof(*c));
+ c= avcodec_alloc_context();
/* open it */
if (avcodec_open(c, codec) < 0) {
@@ -120,7 +119,7 @@ void audio_decode_example(const char *outfilename, const char *filename)
}
outfile = fopen(outfilename, "w");
if (!outfile) {
- fprintf(stderr, "could not open %s\n", outfilename);
+ free(c);
exit(1);
}
@@ -153,6 +152,7 @@ void audio_decode_example(const char *outfilename, const char *filename)
free(outbuf);
avcodec_close(c);
+ free(c);
}
/*
@@ -161,7 +161,7 @@ void audio_decode_example(const char *outfilename, const char *filename)
void video_encode_example(const char *filename)
{
AVCodec *codec;
- AVCodecContext codec_context, *c = &codec_context;
+ AVCodecContext *c= NULL;
int i, out_size, size, x, y, outbuf_size;
FILE *f;
AVPicture picture;
@@ -176,9 +176,8 @@ void video_encode_example(const char *filename)
exit(1);
}
- /* put default values */
- memset(c, 0, sizeof(*c));
-
+ c= avcodec_alloc_context();
+
/* put sample parameters */
c->bit_rate = 400000;
/* resolution must be a multiple of two */
@@ -251,6 +250,7 @@ void video_encode_example(const char *filename)
free(outbuf);
avcodec_close(c);
+ free(c);
printf("\n");
}
@@ -273,7 +273,7 @@ void pgm_save(unsigned char *buf,int wrap, int xsize,int ysize,char *filename)
void video_decode_example(const char *outfilename, const char *filename)
{
AVCodec *codec;
- AVCodecContext codec_context, *c = &codec_context;
+ AVCodecContext *c= NULL;
int frame, size, got_picture, len;
FILE *f;
AVPicture picture;
@@ -289,8 +289,7 @@ void video_decode_example(const char *outfilename, const char *filename)
exit(1);
}
- /* put default values */
- memset(c, 0, sizeof(*c));
+ c= avcodec_alloc_context();
/* for some codecs, such as msmpeg4 and mpeg4, width and height
MUST be initialized there because these info are not available
@@ -375,6 +374,7 @@ void video_decode_example(const char *outfilename, const char *filename)
fclose(f);
avcodec_close(c);
+ free(c);
printf("\n");
}