diff options
Diffstat (limited to 'contrib/ffmpeg/libavcodec/apiexample.c')
| -rw-r--r-- | contrib/ffmpeg/libavcodec/apiexample.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/contrib/ffmpeg/libavcodec/apiexample.c b/contrib/ffmpeg/libavcodec/apiexample.c index 484c77876..151637bd2 100644 --- a/contrib/ffmpeg/libavcodec/apiexample.c +++ b/contrib/ffmpeg/libavcodec/apiexample.c @@ -32,6 +32,8 @@ #include <string.h> #include <math.h> +#define PI 3.14159265358979323846 + #ifdef HAVE_AV_CONFIG_H #undef HAVE_AV_CONFIG_H #endif @@ -89,7 +91,7 @@ void audio_encode_example(const char *filename) /* encode a single tone sound */ t = 0; - tincr = 2 * M_PI * 440.0 / c->sample_rate; + tincr = 2 * PI * 440.0 / c->sample_rate; for(i=0;i<200;i++) { for(j=0;j<frame_size;j++) { samples[2*j] = (int)(sin(t) * 10000); @@ -122,9 +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) { @@ -226,8 +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); |