From 458a5757d1df752f771218b0f793841455991308 Mon Sep 17 00:00:00 2001
From: Andre Noll <maan@systemlinux.org>
Date: Tue, 12 Jan 2010 06:43:48 +0100
Subject: [PATCH] mp3dec: Kill non-btr code.

---
 mp3dec_filter.c | 64 -------------------------------------------------
 1 file changed, 64 deletions(-)

diff --git a/mp3dec_filter.c b/mp3dec_filter.c
index 73ce0e50..b13c602b 100644
--- a/mp3dec_filter.c
+++ b/mp3dec_filter.c
@@ -94,69 +94,6 @@ static int handle_decode_error(struct private_mp3dec_data *pmd, size_t len)
 	return 1;
 }
 
-static ssize_t mp3dec(char *inbuffer, size_t len, struct filter_node *fn)
-{
-	int i, ret;
-	struct private_mp3dec_data *pmd = fn->private_data;
-	size_t copy = PARA_MIN(len, (size_t)4096);
-
-	if (fn->loaded + 16384 > fn->bufsize)
-		return 0;
-	if (need_bad_data_delay(pmd, len))
-		return 0;
-	mad_stream_buffer(&pmd->stream, (unsigned char *) inbuffer, copy);
-	pmd->stream.error = 0;
-next_frame:
-	ret = mad_header_decode(&pmd->frame.header, &pmd->stream);
-	if (ret < 0) {
-		if (pmd->stream.error != MAD_ERROR_BUFLEN &&
-			pmd->stream.error != MAD_ERROR_LOSTSYNC)
-			PARA_DEBUG_LOG("header decode: %s\n",
-				mad_stream_errorstr(&pmd->stream));
-		goto out;
-	}
-	fn->fc->samplerate = pmd->frame.header.samplerate;
-	fn->fc->channels = MAD_NCHANNELS(&pmd->frame.header);
-	ret = mad_frame_decode(&pmd->frame, &pmd->stream);
-	if (ret != 0) {
-		ret = handle_decode_error(pmd, len);
-		if (ret < 0)
-			return ret;
-		if (ret == 0)
-			goto out;
-		ret = copy - (pmd->stream.bufend - pmd->stream.next_frame);
-		PARA_NOTICE_LOG("skipping %d input bytes\n", ret);
-		return ret;
-	}
-	mad_synth_frame(&pmd->synth, &pmd->frame);
-	pmd->flags |= MP3DEC_FLAG_DECODE_STARTED;
-
-	for (i = 0; i < pmd->synth.pcm.length; i++) {
-		int s = MAD_TO_SHORT(pmd->synth.pcm.samples[0][i]);
-		write_int16_host_endian(fn->buf + fn->loaded, s);
-		fn->loaded += 2;
-		if (MAD_NCHANNELS(&pmd->frame.header) == 2) { /* stereo */
-			s = MAD_TO_SHORT(pmd->synth.pcm.samples[1][i]);
-			write_int16_host_endian(fn->buf + fn->loaded, s);
-			fn->loaded += 2;
-		}
-		if (fn->loaded != fn->bufsize) /* output buffer not full */
-			continue;
-		PARA_ERROR_LOG("output buffer full: %zd\n", fn->loaded);
-			return -E_MP3DEC_OVERRUN;
-	}
-	if (fn->loaded + 16384 <= fn->bufsize)
-		goto next_frame;
-out:
-	if (pmd->stream.next_frame) { /* we still have some data */
-		size_t off = pmd->stream.bufend - pmd->stream.next_frame;
-		if (fn->loaded + 16384 <= fn->bufsize && off > 2048)
-			goto next_frame;
-		return copy - off;
-	}
-	return copy;
-}
-
 static size_t used_mad_buffer_bytes(struct mad_stream *s, size_t max)
 {
 	size_t rv;
@@ -335,7 +272,6 @@ void mp3dec_filter_init(struct filter *f)
 
 	mp3dec_cmdline_parser_init(&dummy);
 	f->open = mp3dec_open;
-	f->convert = mp3dec;
 	f->close = mp3dec_close;
 	f->parse_config = mp3dec_parse_config;
 	f->free_config = mp3dec_free_config;
-- 
2.39.5