diff options
Diffstat (limited to 'test/amrnb-enc-sine.c')
-rw-r--r-- | test/amrnb-enc-sine.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/test/amrnb-enc-sine.c b/test/amrnb-enc-sine.c new file mode 100644 index 0000000..51c04b2 --- /dev/null +++ b/test/amrnb-enc-sine.c @@ -0,0 +1,59 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 2009 Martin Storsjo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ + +#include <stdio.h> +#include <stdint.h> +#include <math.h> +#include <interf_enc.h> + +int main(int argc, char *argv[]) { + int i, j; + void* amr; + FILE* out; + int sample_pos = 0; + + if (argc < 2) { + fprintf(stderr, "%s out.amr\n", argv[0]); + return 1; + } + + amr = Encoder_Interface_init(0); + out = fopen(argv[1], "wb"); + if (!out) { + perror(argv[1]); + return 1; + } + + fwrite("#!AMR\n", 1, 6, out); + for (i = 0; i < 1000; i++) { + short buf[160]; + uint8_t outbuf[500]; + int n; + for (j = 0; j < 160; j++) { + buf[j] = 32767*sin(440*2*3.141592654*sample_pos/8000); + sample_pos++; + } + n = Encoder_Interface_Encode(amr, MR475, buf, outbuf, 0); + fwrite(outbuf, 1, n, out); + } + fclose(out); + Encoder_Interface_exit(amr); + + return 0; +} + |