/*
* AVCodecParser prototypes and definitions
- * Copyright (c) 2003 Fabrice Bellard.
- * Copyright (c) 2003 Michael Niedermayer.
+ * 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_PARSER_H
-#define FFMPEG_PARSER_H
+#ifndef AVCODEC_PARSER_H
+#define AVCODEC_PARSER_H
-#include "ac3.h"
+#include "avcodec.h"
typedef struct ParseContext{
uint8_t *buffer;
int frame_start_found;
int overread; ///< the number of bytes which where irreversibly read from the next frame
int overread_index; ///< the index into ParseContext.buffer of the overread bytes
+ uint64_t state64; ///< contains the last 8 bytes in MSB order
} ParseContext;
-struct MpegEncContext;
-
-typedef struct ParseContext1{
- ParseContext pc;
-/* XXX/FIXME PC1 vs. PC */
- /* MPEG2 specific */
- AVRational frame_rate;
- int progressive_sequence;
- int width, height;
-
- /* XXX: suppress that, needed by MPEG4 */
- struct MpegEncContext *enc;
- int first_picture;
-} ParseContext1;
-
#define END_NOT_FOUND (-100)
-int ff_combine_frame(ParseContext *pc, int next, uint8_t **buf, int *buf_size);
+/**
+ * Combine the (truncated) bitstream to a complete frame.
+ * @return -1 if no complete frame could be created,
+ * AVERROR(ENOMEM) if there was a memory allocation error
+ */
+int ff_combine_frame(ParseContext *pc, int next, const uint8_t **buf, int *buf_size);
int ff_mpeg4video_split(AVCodecContext *avctx, const uint8_t *buf,
int buf_size);
void ff_parse_close(AVCodecParserContext *s);
-void ff_parse1_close(AVCodecParserContext *s);
-
-/* h263dec.c */
-int ff_mpeg4_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size);
/**
- * Parses AC-3 frame header.
- * Parses the header up to the lfeon element, which is the first 52 or 54 bits
- * depending on the audio coding mode.
- * @param buf[in] Array containing the first 7 bytes of the frame.
- * @param hdr[out] Pointer to struct where header info is written.
- * @return Returns 0 on success, -1 if there is a sync word mismatch,
- * -2 if the bsid (version) element is invalid, -3 if the fscod (sample rate)
- * element is invalid, or -4 if the frmsizecod (bit rate) element is invalid.
+ * Fetch timestamps for a specific byte within the current access unit.
+ * @param off byte position within the access unit
+ * @param remove Found timestamps will be removed if set to 1, kept if set to 0.
*/
-int ff_ac3_parse_header(const uint8_t buf[7], AC3HeaderInfo *hdr);
+void ff_fetch_timestamp(AVCodecParserContext *s, int off, int remove);
-#endif /* !FFMPEG_PARSER_H */
+#endif /* AVCODEC_PARSER_H */