mpegvideo_enc: do not modify the input frame.

[ffmpeg] / libavcodec / flac.h

diff --git a/libavcodec/flac.h b/libavcodec/flac.h
index 7bcc1a1a9dccb7bd82c197311ffae483a4cd6e4d..63f41c25a498ce453d822b4d401d89b85825d1a5 100644 (file)
--- a/libavcodec/flac.h
+++ b/libavcodec/flac.h
@@ -2,20 +2,20 @@
  * FLAC (Free Lossless Audio Codec) decoder/demuxer common functions
  * Copyright (c) 2008 Justin Ruggles
  *
- * 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
  */
 
@@ -34,12 +34,13 @@
 #define FLAC_MAX_CHANNELS       8
 #define FLAC_MIN_BLOCKSIZE     16
 #define FLAC_MAX_BLOCKSIZE  65535
+#define FLAC_MIN_FRAME_SIZE    11
 
 enum {
-    FLAC_CHMODE_INDEPENDENT =  0,
-    FLAC_CHMODE_LEFT_SIDE   =  8,
-    FLAC_CHMODE_RIGHT_SIDE  =  9,
-    FLAC_CHMODE_MID_SIDE    = 10,
+    FLAC_CHMODE_INDEPENDENT = 0,
+    FLAC_CHMODE_LEFT_SIDE   = 1,
+    FLAC_CHMODE_RIGHT_SIDE  = 2,
+    FLAC_CHMODE_MID_SIDE    = 3,
 };
 
 enum {
@@ -94,8 +95,8 @@ typedef struct FLACFrameInfo {
  * @param[out] s       where parsed information is stored
  * @param[in]  buffer  pointer to start of 34-byte streaminfo data
  */
-void ff_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,
-                              const uint8_t *buffer);
+void avpriv_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,
+                                  const uint8_t *buffer);
 
 /**
  * Validate the FLAC extradata.
@@ -104,9 +105,9 @@ void ff_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,
  * @param[out] streaminfo_start pointer to start of 34-byte STREAMINFO data.
  * @return 1 if valid, 0 if not valid.
  */
-int ff_flac_is_extradata_valid(AVCodecContext *avctx,
-                               enum FLACExtradataFormat *format,
-                               uint8_t **streaminfo_start);
+int avpriv_flac_is_extradata_valid(AVCodecContext *avctx,
+                                   enum FLACExtradataFormat *format,
+                                   uint8_t **streaminfo_start);
 
 /**
  * Parse the metadata block parameters from the header.
@@ -115,8 +116,8 @@ int ff_flac_is_extradata_valid(AVCodecContext *avctx,
  * @param[out] type metadata block type
  * @param[out] size metadata block size
  */
-void ff_flac_parse_block_header(const uint8_t *block_header,
-                                int *last, int *type, int *size);
+void avpriv_flac_parse_block_header(const uint8_t *block_header,
+                                    int *last, int *type, int *size);
 
 /**
  * Calculate an estimate for the maximum frame size based on verbatim mode.
@@ -136,4 +137,7 @@ int ff_flac_get_max_frame_size(int blocksize, int ch, int bps);
  */
 int ff_flac_decode_frame_header(AVCodecContext *avctx, GetBitContext *gb,
                                 FLACFrameInfo *fi, int log_level_offset);
+
+void ff_flac_set_channel_layout(AVCodecContext *avctx);
+
 #endif /* AVCODEC_FLAC_H */