/*
- * 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{
- FRAME_COMPLETE, ///< Complete frame, ends previous frame
- FRAME_START, ///< Frame start, ends previous frame
- FRAME_CONTINUATION ///< Part of the previous frame
-}AACAC3FrameFlag;
+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 {
- uint8_t *inbuf_ptr;
+ ParseContext pc;
int frame_size;
int header_size;
- int (*sync)(struct AACAC3ParseContext *hdr_info, AACAC3FrameFlag *flag);
- uint8_t inbuf[8192]; /* input buffer */
+ int (*sync)(uint64_t state, struct AACAC3ParseContext *hdr_info,
+ int *need_next_header, int *new_frame_start);
int channels;
int sample_rate;
int bit_rate;
int samples;
+ uint64_t channel_layout;
+ int service_type;
+
+ int remaining_size;
+ uint64_t state;
+
+ int need_next_header;
+ enum CodecID codec_id;
} AACAC3ParseContext;
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 */