* 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_ASF_H
+#define FFMPEG_ASF_H
+
+#include <stdint.h>
+#include "avformat.h"
+
#define PACKET_SIZE 3200
typedef struct {
int ds_span; /* descrambling */
int ds_packet_size;
int ds_chunk_size;
- int ds_data_size;
- int ds_silence_data;
int64_t packet_pos;
typedef uint8_t GUID[16];
typedef struct {
- GUID guid; // generated by client computer
- uint64_t file_size; // in bytes
- // invalid if broadcasting
- uint64_t create_time; // time of creation, in 100-nanosecond units since 1.1.1601
- // invalid if broadcasting
- uint64_t packets_count; // how many packets are there in the file
- // invalid if broadcasting
- uint64_t play_time; // play time, in 100-nanosecond units
- // invalid if broadcasting
- uint64_t send_time; // time to send file, in 100-nanosecond units
- // invalid if broadcasting (could be ignored)
- uint32_t preroll; // timestamp of the first packet, in milliseconds
- // if nonzero - substract from time
- uint32_t ignore; // preroll is 64bit - but let's just ignore it
- uint32_t flags; // 0x01 - broadcast
- // 0x02 - seekable
- // rest is reserved should be 0
- uint32_t min_pktsize; // size of a data packet
- // invalid if broadcasting
- uint32_t max_pktsize; // shall be the same as for min_pktsize
- // invalid if broadcasting
- uint32_t max_bitrate; // bandwith of stream in bps
- // should be the sum of bitrates of the
- // individual media streams
+ GUID guid; ///< generated by client computer
+ uint64_t file_size; /**< in bytes
+ * invalid if broadcasting */
+ uint64_t create_time; /**< time of creation, in 100-nanosecond units since 1.1.1601
+ * invalid if broadcasting */
+ uint64_t play_time; /**< play time, in 100-nanosecond units
+ * invalid if broadcasting */
+ uint64_t send_time; /**< time to send file, in 100-nanosecond units
+ * invalid if broadcasting (could be ignored) */
+ uint32_t preroll; /**< timestamp of the first packet, in milliseconds
+ * if nonzero - subtract from time */
+ uint32_t ignore; ///< preroll is 64bit - but let's just ignore it
+ uint32_t flags; /**< 0x01 - broadcast
+ * 0x02 - seekable
+ * rest is reserved should be 0 */
+ uint32_t min_pktsize; /**< size of a data packet
+ * invalid if broadcasting */
+ uint32_t max_pktsize; /**< shall be the same as for min_pktsize
+ * invalid if broadcasting */
+ uint32_t max_bitrate; /**< bandwith of stream in bps
+ * should be the sum of bitrates of the
+ * individual media streams */
} ASFMainHeader;
uint32_t seqno;
unsigned int packet_size;
int is_streamed;
- int asfid2avid[128]; /* conversion table from asf ID 2 AVStream ID */
- ASFStream streams[128]; /* it's max number and it's not that big */
+ int asfid2avid[128]; ///< conversion table from asf ID 2 AVStream ID
+ ASFStream streams[128]; ///< it's max number and it's not that big
+ uint32_t stream_bitrates[128]; ///< max number of streams, bitrate for each (for streaming)
/* non streamed additonnal info */
- uint64_t nb_packets;
- int64_t duration; /* in 100ns units */
+ uint64_t nb_packets; ///< how many packets are there in the file, invalid if broadcasting
+ int64_t duration; ///< in 100ns units
/* packet filling */
unsigned char multi_payloads_present;
int packet_size_left;
- int prev_packet_sent_time;
int packet_timestamp_start;
int packet_timestamp_end;
unsigned int packet_nb_payloads;
uint8_t packet_buf[PACKET_SIZE];
ByteIOContext pb;
/* only for reading */
- uint64_t data_offset; /* begining of the first data packet */
- uint64_t data_object_offset; /* data object offset (excl. GUID & size)*/
- uint64_t data_object_size; /* size of the data object */
+ uint64_t data_offset; ///< beginning of the first data packet
+ uint64_t data_object_offset; ///< data object offset (excl. GUID & size)
+ uint64_t data_object_size; ///< size of the data object
int index_read;
ASFMainHeader hdr;
int packet_replic_size;
int packet_key_frame;
int packet_padsize;
- int packet_frag_offset;
- int packet_frag_size;
- int packet_frag_timestamp;
+ unsigned int packet_frag_offset;
+ unsigned int packet_frag_size;
+ int64_t packet_frag_timestamp;
int packet_multi_size;
int packet_obj_size;
int packet_time_delta;
uint32_t nb_index_memory_alloc;
uint16_t maximum_packet;
- ASFStream* asf_st; /* currently decoded stream */
+ ASFStream* asf_st; ///< currently decoded stream
} ASFContext;
static const GUID asf_header = {
0x9d, 0x8c, 0x17, 0x31, 0xE1, 0x03, 0x28, 0x45, 0xb5, 0x82, 0x3d, 0xf9, 0xdb, 0x22, 0xf5, 0x03
};
+static const GUID metadata_header = {
+ 0xea, 0xcb, 0xf8, 0xc5, 0xaf, 0x5b, 0x77, 0x48, 0x84, 0x67, 0xaa, 0x8c, 0x44, 0xfa, 0x4c, 0xca
+};
+
/* I am not a number !!! This GUID is the one found on the PC used to
generate the stream */
static const GUID my_guid = {
#define ASF_PL_MASK_PAYLOAD_LENGTH_FIELD_SIZE 0xc0 //1100 0000
#define ASF_PL_FLAG_KEY_FRAME 0x80 //1000 0000
+
+#endif /* FFMPEG_ASF_H */
projects / ffmpeg / blobdiff