/*
* 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.
*
* 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 "avcodec.h"
-#include "ac3.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 */
+ /* MPEG-2-specific */
AVRational frame_rate;
int progressive_sequence;
int width, height;
- /* XXX: suppress that, needed by MPEG4 */
+ /* XXX: suppress that, needed by MPEG-4 */
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);
+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 */