diff options
Diffstat (limited to 'src/jar_xm.h')
| -rw-r--r-- | src/jar_xm.h | 33 |
1 files changed, 15 insertions, 18 deletions
diff --git a/src/jar_xm.h b/src/jar_xm.h index 4fda948b..f9ddb511 100644 --- a/src/jar_xm.h +++ b/src/jar_xm.h @@ -59,10 +59,11 @@ #include <stdio.h> #include <stdlib.h> #include <stdint.h> -#include <stdbool.h> #include <limits.h> #include <string.h> + + //------------------------------------------------------------------------------- #ifdef __cplusplus extern "C" { @@ -120,51 +121,47 @@ void jar_xm_free_context(jar_xm_context_t*); /** Play the module and put the sound samples in an output buffer. * - * @param output buffer of 2*numsamples elements + * @param output buffer of 2*numsamples elements (A left and right value for each sample) * @param numsamples number of samples to generate */ void jar_xm_generate_samples(jar_xm_context_t*, float* output, size_t numsamples); /** Play the module, resample from 32 bit to 16 bit, and put the sound samples in an output buffer. * - * @param output buffer of 2*numsamples elements + * @param output buffer of 2*numsamples elements (A left and right value for each sample) * @param numsamples number of samples to generate */ void jar_xm_generate_samples_16bit(jar_xm_context_t* ctx, short* output, size_t numsamples) { float* musicBuffer = malloc((2*numsamples)*sizeof(float)); - short* musicBuffer2 = malloc((2*numsamples)*sizeof(short)); - jar_xm_generate_samples(ctx, musicBuffer, numsamples); - int x; - for(x=0;x<2*numsamples;x++) - musicBuffer2[x] = musicBuffer[x] * SHRT_MAX; + if(output){ + int x; + for(x=0;x<2*numsamples;x++) + output[x] = musicBuffer[x] * SHRT_MAX; + } - memcpy(output, musicBuffer2, (2*numsamples)*sizeof(short)); free(musicBuffer); - free(musicBuffer2); } /** Play the module, resample from 32 bit to 8 bit, and put the sound samples in an output buffer. * - * @param output buffer of 2*numsamples elements + * @param output buffer of 2*numsamples elements (A left and right value for each sample) * @param numsamples number of samples to generate */ void jar_xm_generate_samples_8bit(jar_xm_context_t* ctx, char* output, size_t numsamples) { float* musicBuffer = malloc((2*numsamples)*sizeof(float)); - char* musicBuffer2 = malloc((2*numsamples)*sizeof(char)); - jar_xm_generate_samples(ctx, musicBuffer, numsamples); - int x; - for(x=0;x<2*numsamples;x++) - musicBuffer2[x] = musicBuffer[x] * CHAR_MAX; + if(output){ + int x; + for(x=0;x<2*numsamples;x++) + output[x] = musicBuffer[x] * CHAR_MAX; + } - memcpy(output, musicBuffer2, (2*numsamples)*sizeof(char)); free(musicBuffer); - free(musicBuffer2); } |
