asf: split ASFContext into muxer and demuxer parts.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
(cherry picked from commit 4bc328a2)

libavformat/asf.h

@@ -79,64 +79,6 @@ typedef struct {
     uint16_t packet_count;
 } ASFIndex;
 
-
-typedef struct {
-    uint32_t seqno;
-    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
-    uint32_t stream_bitrates[128];       ///< max number of streams, bitrate for each (for streaming)
-    char stream_languages[128][6];       ///< max number of streams, language for each (RFC1766, e.g. en-US)
-    /* non streamed additonnal info */
-    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 packet_timestamp_start;
-    int packet_timestamp_end;
-    unsigned int packet_nb_payloads;
-    int packet_nb_frames;
-    uint8_t packet_buf[PACKET_SIZE];
-    ByteIOContext pb;
-    /* only for reading */
-    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_flags;
-    int packet_property;
-    int packet_timestamp;
-    int packet_segsizetype;
-    int packet_segments;
-    int packet_seq;
-    int packet_replic_size;
-    int packet_key_frame;
-    int packet_padsize;
-    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;
-    int packet_time_start;
-    int64_t packet_pos;
-
-    int stream_index;
-
-
-    int64_t last_indexed_pts;
-    ASFIndex* index_ptr;
-    uint32_t nb_index_count;
-    uint32_t nb_index_memory_alloc;
-    uint16_t maximum_packet;
-
-    ASFStream* asf_st;                   ///< currently decoded stream
-} ASFContext;
-
 extern const ff_asf_guid ff_asf_header;
 extern const ff_asf_guid ff_asf_file_header;
 extern const ff_asf_guid ff_asf_stream_header;

libavformat/asfdec.c

@@ -32,6 +32,47 @@
 
 void ff_mms_set_stream_selection(URLContext *h, AVFormatContext *format);
 
+typedef struct {
+    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)
+    char stream_languages[128][6];       ///< max number of streams, language for each (RFC1766, e.g. en-US)
+    /* non streamed additonnal info */
+    uint64_t nb_packets;                 ///< how many packets are there in the file, invalid if broadcasting
+    /* packet filling */
+    int packet_size_left;
+    int packet_nb_frames;
+    /* only for reading */
+    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_flags;
+    int packet_property;
+    int packet_timestamp;
+    int packet_segsizetype;
+    int packet_segments;
+    int packet_seq;
+    int packet_replic_size;
+    int packet_key_frame;
+    int packet_padsize;
+    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;
+    int packet_time_start;
+    int64_t packet_pos;
+
+    int stream_index;
+
+    ASFStream* asf_st;                   ///< currently decoded stream
+} ASFContext;
+
 #undef NDEBUG
 #include <assert.h>
 

libavformat/asfenc.c

@@ -188,6 +188,31 @@
                 2*PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS \
                 )
 
+typedef struct {
+    uint32_t seqno;
+    int is_streamed;
+    ASFStream streams[128];              ///< it's max number and it's not that big
+    /* non streamed additonnal info */
+    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 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;                ///< beginning of the first data packet
+
+    int64_t last_indexed_pts;
+    ASFIndex* index_ptr;
+    uint32_t nb_index_count;
+    uint32_t nb_index_memory_alloc;
+    uint16_t maximum_packet;
+} ASFContext;
+
 static const AVCodecTag codec_asf_bmp_tags[] = {
     { CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
     { CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },