Index: patched-ffmpeg-mt/libavcodec/mpegaudio3.h |
=================================================================== |
--- patched-ffmpeg-mt/libavcodec/mpegaudio3.h (revision 0) |
+++ patched-ffmpeg-mt/libavcodec/mpegaudio3.h (revision 0) |
@@ -0,0 +1,53 @@ |
+/* |
+ * Copyright (c) 2007 Michael Niedermayer |
+ * |
+ * 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 |
+ */ |
+ |
+/* layer 3 "granule" */ |
+typedef struct GranuleDef { |
+ uint8_t scfsi; |
+ int part2_3_length; |
+ int big_values; |
+ int global_gain; |
+ int scalefac_compress; |
+ uint8_t block_type; |
+ uint8_t switch_point; |
+ int table_select[3]; |
+ int subblock_gain[3]; |
+ uint8_t scalefac_scale; |
+ uint8_t count1table_select; |
+ int region_size[3]; /* number of huffman codes in each region */ |
+ int preflag; |
+ int short_start, long_end; /* long/short band indexes */ |
+ uint8_t scale_factors[40]; |
+ int32_t sb_hybrid[SBLIMIT * 18]; /* 576 samples */ |
+} GranuleDef; |
+ |
+void ff_mp3_init(void); |
+ |
+/** |
+ * Compute huffman coded region sizes. |
+ */ |
+void ff_init_short_region(MPADecodeContext *s, GranuleDef *g); |
+ |
+/** |
+ * Compute huffman coded region sizes. |
+ */ |
+void ff_init_long_region(MPADecodeContext *s, GranuleDef *g, int ra1, int ra2); |
+ |
+void ff_compute_band_indexes(MPADecodeContext *s, GranuleDef *g); |