From 5f8de7b74147e2a347481d7bc900ebecba6f340f Mon Sep 17 00:00:00 2001 From: Andreas Rheinhardt Date: Fri, 23 Oct 2020 13:06:36 +0200 Subject: avcodec/atrac3plus: Perform reusing of VLCs during init Signed-off-by: Andreas Rheinhardt --- libavcodec/atrac3plus.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) (limited to 'libavcodec/atrac3plus.c') diff --git a/libavcodec/atrac3plus.c b/libavcodec/atrac3plus.c index 8d17889582..6b046a887e 100644 --- a/libavcodec/atrac3plus.c +++ b/libavcodec/atrac3plus.c @@ -192,12 +192,12 @@ av_cold void ff_atrac3p_init_vlcs(void) /* build huffman tables for spectrum decoding */ for (i = 0; i < 112; i++) { - if (atrac3p_spectra_tabs[i].cb) + if (atrac3p_spectra_tabs[i].redirect < 0) build_canonical_huff(atrac3p_spectra_tabs[i].cb, atrac3p_spectra_tabs[i].xlat, &tab_offset, &spec_vlc_tabs[i]); - else - spec_vlc_tabs[i].table = 0; + else /* Reuse already initialized VLC table */ + spec_vlc_tabs[i] = spec_vlc_tabs[atrac3p_spectra_tabs[i].redirect]; } /* build huffman tables for gain data decoding */ @@ -880,10 +880,6 @@ static void decode_spectrum(GetBitContext *gb, Atrac3pChanUnitCtx *ctx, tab_index = (chan->table_type * 8 + codetab) * 7 + wordlen - 1; tab = &atrac3p_spectra_tabs[tab_index]; - /* this allows reusing VLC tables */ - if (tab->redirect >= 0) - tab_index = tab->redirect; - decode_qu_spectra(gb, tab, &spec_vlc_tabs[tab_index], &chan->spectrum[ff_atrac3p_qu_to_spec_pos[qu]], num_specs); -- cgit v1.2.3