diff --git a/tools/aif2pcm/main.c b/tools/aif2pcm/main.c index 7cc361d65..cd5ac4a50 100644 --- a/tools/aif2pcm/main.c +++ b/tools/aif2pcm/main.c @@ -34,8 +34,8 @@ double ieee754_read_extended (uint8_t*); #define FATAL_ERROR(format, ...) \ do \ { \ - fprintf(stderr, format, __VA_ARGS__); \ - exit(1); \ + fprintf(stderr, format, __VA_ARGS__); \ + exit(1); \ } while (0) #else @@ -43,8 +43,8 @@ do \ #define FATAL_ERROR(format, ...) \ do \ { \ - fprintf(stderr, format, ##__VA_ARGS__); \ - exit(1); \ + fprintf(stderr, format, ##__VA_ARGS__); \ + exit(1); \ } while (0) #endif // _MSC_VER @@ -65,8 +65,8 @@ struct Bytes { }; struct Marker { - uint16_t id; - uint32_t position; + unsigned short id; + unsigned long position; // don't care about the name }; @@ -174,7 +174,7 @@ void read_aif(struct Bytes *aif, AifData *aif_data) } struct Marker *markers = NULL; - unsigned short num_markers = 0; + unsigned short num_markers = 0, loop_start = 0, loop_end = 0; unsigned long num_sample_frames = 0; // Read all the Chunks to populate the AifData struct. @@ -272,42 +272,13 @@ void read_aif(struct Bytes *aif, AifData *aif_data) unsigned short loop_type = (aif->data[pos++] << 8); loop_type |= (uint8_t)aif->data[pos++]; - if (loop_type && markers) + if (loop_type) { - unsigned short marker_id = (aif->data[pos++] << 8); - marker_id |= (uint8_t)aif->data[pos++]; + loop_start = (aif->data[pos++] << 8); + loop_start |= (uint8_t)aif->data[pos++]; - struct Marker *cur_marker = markers; - - // Grab loop start point. - for (int i = 0; i < num_markers; i++, cur_marker++) - { - if (cur_marker->id == marker_id) - { - aif_data->loop_offset = cur_marker->position; - aif_data->has_loop = true; - break; - } - } - - marker_id = (aif->data[pos++] << 8); - marker_id |= (uint8_t)aif->data[pos++]; - - cur_marker = markers; - - // Grab loop end point. - for (int i = 0; i < num_markers; i++, cur_marker++) - { - if (cur_marker->id == marker_id) - { - if (cur_marker->position < aif_data->loop_offset) { - aif_data->loop_offset = cur_marker->position; - aif_data->has_loop = true; - } - aif_data->num_samples = cur_marker->position; - break; - } - } + loop_end = (aif->data[pos++] << 8); + loop_end |= (uint8_t)aif->data[pos++]; } else { @@ -337,8 +308,41 @@ void read_aif(struct Bytes *aif, AifData *aif_data) pos += chunk_size; } } + + if (markers) + { + // Resolve loop points. + struct Marker *cur_marker = markers; + + // Grab loop start point. + for (int i = 0; i < num_markers; i++, cur_marker++) + { + if (cur_marker->id == loop_start) + { + aif_data->loop_offset = cur_marker->position; + aif_data->has_loop = true; + break; + } + } - free(markers); + cur_marker = markers; + + // Grab loop end point. + for (int i = 0; i < num_markers; i++, cur_marker++) + { + if (cur_marker->id == loop_end) + { + if (cur_marker->position < aif_data->loop_offset) { + aif_data->loop_offset = cur_marker->position; + aif_data->has_loop = true; + } + aif_data->num_samples = cur_marker->position; + break; + } + } + + free(markers); + } } // This is a table of deltas between sample values in compressed PCM data.