]> git.sesse.net Git - vlc/blobdiff - modules/demux/ogg.h
demux: ts: Better missing PCR fixes
[vlc] / modules / demux / ogg.h
index 1c2d018739970e951740a7555cd69d0867901b9b..ff6d5381b09145607e62f277ff1f47e7cc5a2fad 100644 (file)
  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#ifdef HAVE_LIBVORBIS
+  #include <vorbis/codec.h>
+#endif
+
 /*****************************************************************************
  * Definitions of structures and functions used by this plugin
  *****************************************************************************/
 #define PACKET_IS_SYNCPOINT  0x08
 
 typedef struct oggseek_index_entry demux_index_entry_t;
+typedef struct ogg_skeleton_t ogg_skeleton_t;
+
+typedef struct backup_queue
+{
+    block_t *p_block;
+    mtime_t i_duration;
+} backup_queue_t;
 
 typedef struct logical_stream_s
 {
@@ -62,14 +77,16 @@ typedef struct logical_stream_s
     void             *p_headers;
     int              i_headers;
     ogg_int64_t      i_previous_granulepos;
+    ogg_int64_t      i_granulepos_offset;/* first granule offset */
 
     /* program clock reference (in units of 90kHz) derived from the previous
      * granulepos */
     mtime_t          i_pcr;
-    mtime_t          i_interpolated_pcr;
     mtime_t          i_previous_pcr;
 
     /* Misc */
+    bool b_initializing;
+    bool b_finished;
     bool b_reinit;
     bool b_oggds;
     int i_granule_shift;
@@ -85,36 +102,89 @@ typedef struct logical_stream_s
     /* keyframe index for seeking, created as we discover keyframes */
     demux_index_entry_t *idx;
 
+    /* Skeleton data */
+    ogg_skeleton_t *p_skel;
+
     /* skip some frames after a seek */
-    int i_skip_frames;
+    unsigned int i_skip_frames;
 
     /* data start offset (absolute) in bytes */
     int64_t i_data_start;
 
-    /* kate streams have the number of headers in the ID header */
-    int i_kate_num_headers;
-
     /* for Annodex logical bitstreams */
     int i_secondary_header_packets;
 
+    /* All blocks which can't be sent because track PCR isn't known yet */
+    struct
+    {
+        block_t **pp_blocks;
+        uint8_t i_size; /* max 255 */
+        uint8_t i_used;
+    } prepcr;
+    /* All blocks that are queued because ES isn't created yet */
+    block_t *p_preparse_block;
+
+    union
+    {
+#ifdef HAVE_LIBVORBIS
+        struct
+        {
+            vorbis_info *p_info;
+            vorbis_comment *p_comment;
+            int i_headers_flags;
+            int i_prev_blocksize;
+        } vorbis;
+#endif
+        struct
+        {
+            /* kate streams have the number of headers in the ID header */
+            int i_num_headers;
+        } kate;
+        struct
+        {
+            bool b_interlaced;
+        } dirac;
+        struct
+        {
+            int32_t i_framesize;
+            int32_t i_framesperpacket;
+        } speex;
+    } special;
+
 } logical_stream_t;
 
+struct ogg_skeleton_t
+{
+    int            i_messages;
+    char         **ppsz_messages;
+    unsigned char *p_index;
+    uint64_t       i_index;
+    uint64_t       i_index_size;
+    int64_t        i_indexstampden;/* time denominator */
+    int64_t        i_indexfirstnum;/* first sample time numerator */
+    int64_t        i_indexlastnum;
+};
+
 struct demux_sys_t
 {
     ogg_sync_state oy;        /* sync and verify incoming physical bitstream */
 
     int i_streams;                           /* number of logical bitstreams */
     logical_stream_t **pp_stream;  /* pointer to an array of logical streams */
+    logical_stream_t *p_skelstream; /* pointer to skeleton stream if any */
 
     logical_stream_t *p_old_stream; /* pointer to a old logical stream to avoid recreating it */
 
     /* program clock reference (in units of 90kHz) derived from the pcr of
      * the sub-streams */
     mtime_t i_pcr;
+    mtime_t i_nzpcr_offset;
+    /* informative only */
+    mtime_t i_pcr_jitter;
+    int64_t i_access_delay;
 
-    /* stream state */
-    int     i_bos; /* Begnning of stream, tell the demux to look for elementary streams. */
-    int     i_eos;
+    /* new stream or starting from a chain */
+    bool b_chained_boundary;
 
     /* bitrate */
     int     i_bitrate;
@@ -140,12 +210,29 @@ struct demux_sys_t
     int                 i_seekpoints;
     seekpoint_t         **pp_seekpoints;
 
+    /* skeleton */
+    struct
+    {
+        uint16_t major;
+        uint16_t minor;
+    } skeleton;
+
     /* */
     int                 i_attachments;
     input_attachment_t  **attachments;
 
+    /* preparsing info */
+    bool b_preparsing_done;
+    bool b_es_created;
+
     /* Length, if available. */
     int64_t i_length;
 
-    DemuxDebug( bool b_seeked; )
 };
+
+
+unsigned const char * Read7BitsVariableLE( unsigned const char *,
+                                           unsigned const char *,
+                                           uint64_t * );
+bool Ogg_GetBoundsUsingSkeletonIndex( logical_stream_t *p_stream, int64_t i_time,
+                                      int64_t *pi_lower, int64_t *pi_upper );