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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /media/ffvpx/libavcodec/mpegaudiodata.c
parentInitial commit. (diff)
downloadfirefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz
firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--media/ffvpx/libavcodec/mpegaudiodata.c133
1 files changed, 133 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/mpegaudiodata.c b/media/ffvpx/libavcodec/mpegaudiodata.c
new file mode 100644
index 0000000000..669590908f
--- /dev/null
+++ b/media/ffvpx/libavcodec/mpegaudiodata.c
@@ -0,0 +1,133 @@
+/*
+ * MPEG Audio common tables
+ * copyright (c) 2002 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * mpeg audio layer common tables.
+ */
+
+#include "mpegaudiodata.h"
+
+/*******************************************************/
+/* layer 2 tables */
+
+const int ff_mpa_sblimit_table[5] = { 27 , 30 , 8, 12 , 30 };
+
+const int ff_mpa_quant_steps[17] = {
+ 3, 5, 7, 9, 15,
+ 31, 63, 127, 255, 511,
+ 1023, 2047, 4095, 8191, 16383,
+ 32767, 65535
+};
+
+/* we use a negative value if grouped */
+const int ff_mpa_quant_bits[17] = {
+ -5, -7, 3, -10, 4,
+ 5, 6, 7, 8, 9,
+ 10, 11, 12, 13, 14,
+ 15, 16
+};
+
+/* encoding tables which give the quantization index. Note how it is
+ possible to store them efficiently ! */
+static const unsigned char alloc_table_1[] = {
+ 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
+ 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
+ 4, 0, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
+ 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16,
+ 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16,
+ 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16,
+ 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16,
+ 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16,
+ 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16,
+ 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16,
+ 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16,
+ 3, 0, 1, 2, 3, 4, 5, 16,
+ 3, 0, 1, 2, 3, 4, 5, 16,
+ 3, 0, 1, 2, 3, 4, 5, 16,
+ 3, 0, 1, 2, 3, 4, 5, 16,
+ 3, 0, 1, 2, 3, 4, 5, 16,
+ 3, 0, 1, 2, 3, 4, 5, 16,
+ 3, 0, 1, 2, 3, 4, 5, 16,
+ 3, 0, 1, 2, 3, 4, 5, 16,
+ 3, 0, 1, 2, 3, 4, 5, 16,
+ 3, 0, 1, 2, 3, 4, 5, 16,
+ 3, 0, 1, 2, 3, 4, 5, 16,
+ 3, 0, 1, 2, 3, 4, 5, 16,
+ 2, 0, 1, 16,
+ 2, 0, 1, 16,
+ 2, 0, 1, 16,
+ 2, 0, 1, 16,
+ 2, 0, 1, 16,
+ 2, 0, 1, 16,
+ 2, 0, 1, 16,
+};
+
+static const unsigned char alloc_table_3[] = {
+ 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 4, 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 3, 0, 1, 3, 4, 5, 6, 7,
+ 3, 0, 1, 3, 4, 5, 6, 7,
+ 3, 0, 1, 3, 4, 5, 6, 7,
+ 3, 0, 1, 3, 4, 5, 6, 7,
+ 3, 0, 1, 3, 4, 5, 6, 7,
+ 3, 0, 1, 3, 4, 5, 6, 7,
+ 3, 0, 1, 3, 4, 5, 6, 7,
+ 3, 0, 1, 3, 4, 5, 6, 7,
+ 3, 0, 1, 3, 4, 5, 6, 7,
+ 3, 0, 1, 3, 4, 5, 6, 7,
+};
+
+static const unsigned char alloc_table_4[] = {
+ 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
+ 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
+ 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
+ 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
+ 3, 0, 1, 3, 4, 5, 6, 7,
+ 3, 0, 1, 3, 4, 5, 6, 7,
+ 3, 0, 1, 3, 4, 5, 6, 7,
+ 3, 0, 1, 3, 4, 5, 6, 7,
+ 3, 0, 1, 3, 4, 5, 6, 7,
+ 3, 0, 1, 3, 4, 5, 6, 7,
+ 3, 0, 1, 3, 4, 5, 6, 7,
+ 2, 0, 1, 3,
+ 2, 0, 1, 3,
+ 2, 0, 1, 3,
+ 2, 0, 1, 3,
+ 2, 0, 1, 3,
+ 2, 0, 1, 3,
+ 2, 0, 1, 3,
+ 2, 0, 1, 3,
+ 2, 0, 1, 3,
+ 2, 0, 1, 3,
+ 2, 0, 1, 3,
+ 2, 0, 1, 3,
+ 2, 0, 1, 3,
+ 2, 0, 1, 3,
+ 2, 0, 1, 3,
+ 2, 0, 1, 3,
+ 2, 0, 1, 3,
+ 2, 0, 1, 3,
+ 2, 0, 1, 3,
+};
+
+const unsigned char * const ff_mpa_alloc_tables[5] =
+{ alloc_table_1, alloc_table_1, alloc_table_3, alloc_table_3, alloc_table_4, };