From 9277dd65aa5907f59462bc6a7e85c5bdafe15a28 Mon Sep 17 00:00:00 2001 From: Andre Noll Date: Tue, 12 Jan 2010 02:03:53 +0100 Subject: [PATCH] compress: Kill non-btr code. --- compress_filter.c | 42 ------------------------------------------ 1 file changed, 42 deletions(-) diff --git a/compress_filter.c b/compress_filter.c index 39055618..8e6b1c45 100644 --- a/compress_filter.c +++ b/compress_filter.c @@ -40,47 +40,6 @@ struct private_compress_data { int peak; }; -static ssize_t compress(char *inbuf, size_t inbuf_len, struct filter_node *fn) -{ - size_t i, length = PARA_MIN((inbuf_len / 2) * 2, - (fn->bufsize - fn->loaded) / 2 * 2); - struct private_compress_data *pcd = fn->private_data; - int16_t *ip = (int16_t *)inbuf, *op = (int16_t *)(fn->buf + fn->loaded); - unsigned gain_shift = pcd->conf->inertia_arg + pcd->conf->damp_arg, - mask = (1 << pcd->conf->blocksize_arg) - 1; - - if (!length) - return 0; - for (i = 0; i < length / 2; i++) { - /* be careful in that heat, my dear */ - int sample = *ip++, adjusted_sample = (PARA_ABS(sample) * - pcd->current_gain) >> gain_shift; - if (adjusted_sample > 32767) { /* clip */ - PARA_NOTICE_LOG("clip: sample: %d, adjusted sample: %d\n", - sample, adjusted_sample); - adjusted_sample = 32767; - pcd->current_gain = (3 * pcd->current_gain + - (1 << pcd->conf->inertia_arg)) / 4; - pcd->peak = 0; - } else - pcd->peak = PARA_MAX(pcd->peak, adjusted_sample); - *op++ = sample >= 0? adjusted_sample : -adjusted_sample; - if (++pcd->num_samples & mask) - continue; -// PARA_DEBUG_LOG("gain: %u, peak: %u\n", pcd->current_gain, -// pcd->peak); - if (pcd->peak < pcd->conf->target_level_arg) { - if (pcd->current_gain < pcd->max_gain) - pcd->current_gain++; - } else - pcd->current_gain = PARA_MAX(pcd->current_gain - 2, - 1U << pcd->conf->inertia_arg); - pcd->peak = 0; - } - fn->loaded += length; - return length; -} - static void close_compress(struct filter_node *fn) { free(fn->private_data); @@ -205,7 +164,6 @@ void compress_filter_init(struct filter *f) compress_cmdline_parser_init(&dummy); f->open = open_compress; f->close = close_compress; - f->convert = compress; f->pre_select = generic_filter_pre_select; f->post_select = compress_post_select; f->parse_config = compress_parse_config; -- 2.39.2