summaryrefslogtreecommitdiff
path: root/contrib/ffmpeg/libavformat/nut.h
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/ffmpeg/libavformat/nut.h')
-rw-r--r--contrib/ffmpeg/libavformat/nut.h35
1 files changed, 22 insertions, 13 deletions
diff --git a/contrib/ffmpeg/libavformat/nut.h b/contrib/ffmpeg/libavformat/nut.h
index 82bbf6f17..943914603 100644
--- a/contrib/ffmpeg/libavformat/nut.h
+++ b/contrib/ffmpeg/libavformat/nut.h
@@ -17,12 +17,13 @@
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
*/
+#ifndef FFMPEG_NUT_H
+#define FFMPEG_NUT_H
+
//#include <limits.h>
#include "avformat.h"
-#include "crc.h"
//#include "mpegaudio.h"
#include "riff.h"
//#include "adler32.h"
@@ -43,10 +44,12 @@ typedef enum{
FLAG_CODED_PTS = 8, ///<if set, coded_pts is in the frame header
FLAG_STREAM_ID = 16, ///<if set, stream_id is coded in the frame header
FLAG_SIZE_MSB = 32, ///<if set, data_size_msb is at frame header, otherwise data_size_msb is 0
- FLAG_CHECKSUM = 64, ///<if set then the frame header contains a checksum
+ FLAG_CHECKSUM = 64, ///<if set, the frame header contains a checksum
FLAG_RESERVED = 128, ///<if set, reserved_count is coded in the frame header
- FLAG_CODED =4096, ///<if set, coded_flags are stored in the frame header.
- FLAG_INVALID =8192, ///<if set, frame_code is invalid.
+ FLAG_HEADER_IDX =1024, ///<If set, header_idx is coded in the frame header.
+ FLAG_MATCH_TIME =2048, ///<If set, match_time_delta is coded in the frame header
+ FLAG_CODED =4096, ///<if set, coded_flags are stored in the frame header
+ FLAG_INVALID =8192, ///<if set, frame_code is invalid
}flag_t;
typedef struct {
@@ -63,14 +66,15 @@ typedef struct {
uint16_t size_lsb;
int16_t pts_delta;
uint8_t reserved_count;
-} FrameCode; // maybe s/FrameCode/framecode_t/ or change all to java style but dont mix
+ uint8_t header_idx;
+} FrameCode; // maybe s/FrameCode/framecode_t/ or change all to Java style but do not mix
typedef struct {
int last_flags;
int skip_until_key_frame;
int64_t last_pts;
int time_base_id;
- AVRational time_base;
+ AVRational *time_base;
int msb_pts_shift;
int max_pts_distance;
int decode_delay; //FIXME duplicate of has_b_frames
@@ -79,19 +83,24 @@ typedef struct {
typedef struct {
AVFormatContext *avf;
// int written_packet_size;
-// int64_t packet_start[3]; //0-> startcode less, 1-> short startcode 2-> long startcodes
+// int64_t packet_start;
FrameCode frame_code[256];
- uint64_t next_startcode; ///< stores the next startcode if it has alraedy been parsed but the stream isnt seekable
+ uint8_t header_len[128];
+ const uint8_t *header[128];
+ uint64_t next_startcode; ///< stores the next startcode if it has already been parsed but the stream is not seekable
StreamContext *stream;
unsigned int max_distance;
unsigned int time_base_count;
int64_t last_syncpoint_pos;
+ int header_count;
AVRational *time_base;
struct AVTreeNode *syncpoints;
} NUTContext;
+void ff_nut_reset_ts(NUTContext *nut, AVRational time_base, int64_t val);
+int64_t ff_lsb2full(StreamContext *stream, int64_t lsb);
+int ff_nut_sp_pos_cmp(syncpoint_t *a, syncpoint_t *b);
+int ff_nut_sp_pts_cmp(syncpoint_t *a, syncpoint_t *b);
+void ff_nut_add_sp(NUTContext *nut, int64_t pos, int64_t back_ptr, int64_t ts);
-//FIXME move to a common spot, like crc.c/h
-static unsigned long av_crc04C11DB7_update(unsigned long checksum, const uint8_t *buf, unsigned int len){
- return av_crc(av_crc04C11DB7, checksum, buf, len);
-}
+#endif /* FFMPEG_NUT_H */