From 8eea8fdcebfa4ceaeba8aa6d3e68d56268c5bdf9 Mon Sep 17 00:00:00 2001
From: Diego Biurrun <diego@biurrun.de>
Date: Tue, 10 Jul 2012 18:32:41 +0200
Subject: flac: Move flac functions shared between libraries to flac common
 code

This fixes a number of flac-related build dependencies.
---
 libavcodec/flacdec.c | 73 ----------------------------------------------------
 1 file changed, 73 deletions(-)

(limited to 'libavcodec/flacdec.c')

diff --git a/libavcodec/flacdec.c b/libavcodec/flacdec.c
index 89819e31fb..53070a348c 100644
--- a/libavcodec/flacdec.c
+++ b/libavcodec/flacdec.c
@@ -75,33 +75,6 @@ static const int64_t flac_channel_layouts[6] = {
 
 static void allocate_buffers(FLACContext *s);
 
-int avpriv_flac_is_extradata_valid(AVCodecContext *avctx,
-                               enum FLACExtradataFormat *format,
-                               uint8_t **streaminfo_start)
-{
-    if (!avctx->extradata || avctx->extradata_size < FLAC_STREAMINFO_SIZE) {
-        av_log(avctx, AV_LOG_ERROR, "extradata NULL or too small.\n");
-        return 0;
-    }
-    if (AV_RL32(avctx->extradata) != MKTAG('f','L','a','C')) {
-        /* extradata contains STREAMINFO only */
-        if (avctx->extradata_size != FLAC_STREAMINFO_SIZE) {
-            av_log(avctx, AV_LOG_WARNING, "extradata contains %d bytes too many.\n",
-                   FLAC_STREAMINFO_SIZE-avctx->extradata_size);
-        }
-        *format = FLAC_EXTRADATA_FORMAT_STREAMINFO;
-        *streaminfo_start = avctx->extradata;
-    } else {
-        if (avctx->extradata_size < 8+FLAC_STREAMINFO_SIZE) {
-            av_log(avctx, AV_LOG_ERROR, "extradata too small.\n");
-            return 0;
-        }
-        *format = FLAC_EXTRADATA_FORMAT_FULL_HEADER;
-        *streaminfo_start = &avctx->extradata[8];
-    }
-    return 1;
-}
-
 static void flac_set_bps(FLACContext *s)
 {
     enum AVSampleFormat req = s->avctx->request_sample_fmt;
@@ -175,52 +148,6 @@ static void allocate_buffers(FLACContext *s)
     }
 }
 
-void avpriv_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,
-                              const uint8_t *buffer)
-{
-    GetBitContext gb;
-    init_get_bits(&gb, buffer, FLAC_STREAMINFO_SIZE*8);
-
-    skip_bits(&gb, 16); /* skip min blocksize */
-    s->max_blocksize = get_bits(&gb, 16);
-    if (s->max_blocksize < FLAC_MIN_BLOCKSIZE) {
-        av_log(avctx, AV_LOG_WARNING, "invalid max blocksize: %d\n",
-               s->max_blocksize);
-        s->max_blocksize = 16;
-    }
-
-    skip_bits(&gb, 24); /* skip min frame size */
-    s->max_framesize = get_bits_long(&gb, 24);
-
-    s->samplerate = get_bits_long(&gb, 20);
-    s->channels = get_bits(&gb, 3) + 1;
-    s->bps = get_bits(&gb, 5) + 1;
-
-    avctx->channels = s->channels;
-    avctx->sample_rate = s->samplerate;
-    avctx->bits_per_raw_sample = s->bps;
-
-    s->samples  = get_bits_long(&gb, 32) << 4;
-    s->samples |= get_bits(&gb, 4);
-
-    skip_bits_long(&gb, 64); /* md5 sum */
-    skip_bits_long(&gb, 64); /* md5 sum */
-
-    dump_headers(avctx, s);
-}
-
-void avpriv_flac_parse_block_header(const uint8_t *block_header,
-                                int *last, int *type, int *size)
-{
-    int tmp = bytestream_get_byte(&block_header);
-    if (last)
-        *last = tmp & 0x80;
-    if (type)
-        *type = tmp & 0x7F;
-    if (size)
-        *size = bytestream_get_be24(&block_header);
-}
-
 /**
  * Parse the STREAMINFO from an inline header.
  * @param s the flac decoding context
-- 
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