rv40: don't always do the full prev_type search

[ffmpeg] / libavcodec / aac_ac3_parser.h

diff --git a/libavcodec/aac_ac3_parser.h b/libavcodec/aac_ac3_parser.h
index 2d60646a8dfa6bef30b70358eada9b8c18168403..a14fce51909fa1482e8f9968f9ec5b685263f618 100644 (file)
--- a/libavcodec/aac_ac3_parser.h
+++ b/libavcodec/aac_ac3_parser.h
@@ -1,33 +1,44 @@
 /*
- * Common AAC and AC3 parser prototypes
- * Copyright (c) 2003 Fabrice Bellard.
- * Copyright (c) 2003 Michael Niedermayer.
+ * Common AAC and AC-3 parser prototypes
+ * Copyright (c) 2003 Fabrice Bellard
+ * Copyright (c) 2003 Michael Niedermayer
  *
- * 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
  */
 
-#ifndef FFMPEG_AAC_AC3_PARSER_H
-#define FFMPEG_AAC_AC3_PARSER_H
+#ifndef AVCODEC_AAC_AC3_PARSER_H
+#define AVCODEC_AAC_AC3_PARSER_H
 
 #include <stdint.h>
 #include "avcodec.h"
 #include "parser.h"
 
+typedef enum {
+    AAC_AC3_PARSE_ERROR_SYNC        = -1,
+    AAC_AC3_PARSE_ERROR_BSID        = -2,
+    AAC_AC3_PARSE_ERROR_SAMPLE_RATE = -3,
+    AAC_AC3_PARSE_ERROR_FRAME_SIZE  = -4,
+    AAC_AC3_PARSE_ERROR_FRAME_TYPE  = -5,
+    AAC_AC3_PARSE_ERROR_CRC         = -6,
+    AAC_AC3_PARSE_ERROR_CHANNEL_CFG = -7,
+} AACAC3ParseError;
+
 typedef struct AACAC3ParseContext {
+    ParseContext pc;
     int frame_size;
     int header_size;
     int (*sync)(uint64_t state, struct AACAC3ParseContext *hdr_info,
@@ -37,12 +48,14 @@ typedef struct AACAC3ParseContext {
     int sample_rate;
     int bit_rate;
     int samples;
+    uint64_t channel_layout;
+    int service_type;
 
-    ParseContext pc;
     int remaining_size;
     uint64_t state;
 
     int need_next_header;
+    enum CodecID codec_id;
 } AACAC3ParseContext;
 
 int ff_aac_ac3_parse(AVCodecParserContext *s1,
@@ -50,4 +63,4 @@ int ff_aac_ac3_parse(AVCodecParserContext *s1,
                      const uint8_t **poutbuf, int *poutbuf_size,
                      const uint8_t *buf, int buf_size);
 
-#endif /* FFMPEG_AAC_AC3_PARSER_H */
+#endif /* AVCODEC_AAC_AC3_PARSER_H */