From f6f36ca8ca1b2526d3abff7d7c627322d3bce912 Mon Sep 17 00:00:00 2001 From: Luca Barbato Date: Wed, 3 Jul 2013 12:58:40 +0200 Subject: indeo: Refactor ff_ivi_dec_huff_desc Spare an indentation level. --- libavcodec/ivi_common.c | 62 +++++++++++++++++++++++++------------------------ 1 file changed, 32 insertions(+), 30 deletions(-) (limited to 'libavcodec/ivi_common.c') diff --git a/libavcodec/ivi_common.c b/libavcodec/ivi_common.c index 43795ea625..7e49d52dfc 100644 --- a/libavcodec/ivi_common.c +++ b/libavcodec/ivi_common.c @@ -156,41 +156,43 @@ int ff_ivi_dec_huff_desc(GetBitContext *gb, int desc_coded, int which_tab, if (!desc_coded) { /* select default table */ huff_tab->tab = (which_tab) ? &ivi_blk_vlc_tabs[7] - : &ivi_mb_vlc_tabs [7]; - } else { - huff_tab->tab_sel = get_bits(gb, 3); - if (huff_tab->tab_sel == 7) { - /* custom huffman table (explicitly encoded) */ - new_huff.num_rows = get_bits(gb, 4); - if (!new_huff.num_rows) { - av_log(avctx, AV_LOG_ERROR, "Empty custom Huffman table!\n"); - return AVERROR_INVALIDDATA; - } + : &ivi_mb_vlc_tabs [7]; + return 0; + } - for (i = 0; i < new_huff.num_rows; i++) - new_huff.xbits[i] = get_bits(gb, 4); + huff_tab->tab_sel = get_bits(gb, 3); + if (huff_tab->tab_sel == 7) { + /* custom huffman table (explicitly encoded) */ + new_huff.num_rows = get_bits(gb, 4); + if (!new_huff.num_rows) { + av_log(avctx, AV_LOG_ERROR, "Empty custom Huffman table!\n"); + return AVERROR_INVALIDDATA; + } - /* Have we got the same custom table? Rebuild if not. */ - if (ivi_huff_desc_cmp(&new_huff, &huff_tab->cust_desc)) { - ivi_huff_desc_copy(&huff_tab->cust_desc, &new_huff); + for (i = 0; i < new_huff.num_rows; i++) + new_huff.xbits[i] = get_bits(gb, 4); - if (huff_tab->cust_tab.table) - ff_free_vlc(&huff_tab->cust_tab); - result = ivi_create_huff_from_desc(&huff_tab->cust_desc, - &huff_tab->cust_tab, 0); - if (result) { - huff_tab->cust_desc.num_rows = 0; // reset faulty description - av_log(avctx, AV_LOG_ERROR, - "Error while initializing custom vlc table!\n"); - return result; - } + /* Have we got the same custom table? Rebuild if not. */ + if (ivi_huff_desc_cmp(&new_huff, &huff_tab->cust_desc)) { + ivi_huff_desc_copy(&huff_tab->cust_desc, &new_huff); + + if (huff_tab->cust_tab.table) + ff_free_vlc(&huff_tab->cust_tab); + result = ivi_create_huff_from_desc(&huff_tab->cust_desc, + &huff_tab->cust_tab, 0); + if (result) { + // reset faulty description + huff_tab->cust_desc.num_rows = 0; + av_log(avctx, AV_LOG_ERROR, + "Error while initializing custom vlc table!\n"); + return result; } - huff_tab->tab = &huff_tab->cust_tab; - } else { - /* select one of predefined tables */ - huff_tab->tab = (which_tab) ? &ivi_blk_vlc_tabs[huff_tab->tab_sel] - : &ivi_mb_vlc_tabs [huff_tab->tab_sel]; } + huff_tab->tab = &huff_tab->cust_tab; + } else { + /* select one of predefined tables */ + huff_tab->tab = (which_tab) ? &ivi_blk_vlc_tabs[huff_tab->tab_sel] + : &ivi_mb_vlc_tabs [huff_tab->tab_sel]; } return 0; -- cgit v1.2.3