flacdec: allow mid-stream channel layout change

[ffmpeg] / libavcodec / acelp_vectors.h

diff --git a/libavcodec/acelp_vectors.h b/libavcodec/acelp_vectors.h
index 9e3e7a8db3275387c463d85d8accc197f7948733..d6226bf020932c933a5a766d08ef3f3b88850df4 100644 (file)
--- a/libavcodec/acelp_vectors.h
+++ b/libavcodec/acelp_vectors.h
@@ -3,20 +3,20 @@
  *
  * Copyright (c) 2008 Vladimir Voroshilov
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -26,7 +26,7 @@
 #include <stdint.h>
 
 /** Sparse representation for the algebraic codebook (fixed) vector */
-typedef struct {
+typedef struct AMRFixed {
     int      n;
     int      x[10];
     float    y[10];
@@ -81,37 +81,6 @@ extern const uint8_t ff_fc_4pulses_8bits_track_4[32];
 extern const uint8_t ff_fc_2pulses_9bits_track1[16];
 extern const uint8_t ff_fc_2pulses_9bits_track1_gray[16];
 
-/**
- * Track|Pulse|        Positions
- * -----------------------------------------
- *  2   | 1   | 0, 7, 14, 20, 27, 34,  1, 21
- *      |     | 2, 9, 15, 22, 29, 35,  6, 26
- *      |     | 4,10, 17, 24, 30, 37, 11, 31
- *      |     | 5,12, 19, 25, 32, 39, 16, 36
- * -----------------------------------------
- *
- * @remark Track in the table should be read top-to-bottom, left-to-right.
- *
- * @note (EE.1) This table (from the reference code) does not comply with
- *              the specification.
- *              The specification contains the following table:
- *
- * Track|Pulse|        Positions
- * -----------------------------------------
- *  2   | 1   | 0, 5, 10, 15, 20, 25, 30, 35
- *      |     | 1, 6, 11, 16, 21, 26, 31, 36
- *      |     | 2, 7, 12, 17, 22, 27, 32, 37
- *      |     | 4, 9, 14, 19, 24, 29, 34, 39
- *
- * -----------------------------------------
- *
- * @note (EE.2) Reference G.729D code also uses gray decoding for each
- *              pulse index before looking up the value in the table.
- *
- * Used in G.729 @@6.4k (with gray coding)
- */
-extern const uint8_t ff_fc_2pulses_9bits_track2_gray[32];
-
 /**
  * b60 hamming windowed sinc function coefficients
  */
@@ -134,7 +103,7 @@ extern const float ff_pow_0_55[10];
 
 /**
  * Decode fixed-codebook vector (3.8 and D.5.8 of G.729, 5.7.1 of AMR).
- * @param fc_v [out] decoded fixed codebook vector (2.13)
+ * @param[out] fc_v decoded fixed codebook vector (2.13)
  * @param tab1 table used for first pulse_count pulses
  * @param tab2 table used for last pulse
  * @param pulse_indexes fixed codebook indexes
@@ -174,7 +143,7 @@ void ff_decode_10_pulses_35bits(const int16_t *fixed_index,
 
 /**
  * weighted sum of two vectors with rounding.
- * @param out [out] result of addition
+ * @param[out] out result of addition
  * @param in_a first vector
  * @param in_b second vector
  * @param weight_coeff_a first vector weight coefficient
@@ -198,7 +167,7 @@ void ff_acelp_weighted_vector_sum(int16_t* out,
 
 /**
  * float implementation of weighted sum of two vectors.
- * @param out [out] result of addition
+ * @param[out] out result of addition
  * @param in_a first vector
  * @param in_b second vector
  * @param weight_coeff_a first vector weight coefficient