X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=include%2Fvlc_block.h;h=79389868eb02d1e47f8a1a6e2650cee118381266;hb=12ade3e3bc975d5426ba4af155b7372c31093b31;hp=4d7c44341f794c5b6b8630e5e72f7c7252d7ede0;hpb=995655d1f842088b0397df905b5296acbe7f8511;p=vlc

diff --git a/include/vlc_block.h b/include/vlc_block.h
index 4d7c44341f..79389868eb 100644
--- a/include/vlc_block.h
+++ b/include/vlc_block.h
@@ -37,7 +37,7 @@
  * - i_flags may not always be set (ie could be 0, even for a key frame
  *      it depends where you receive the buffer (before/after a packetizer
  *      and the demux/packetizer implementations.
- * - i_dts/i_pts could be 0, it means no pts
+ * - i_dts/i_pts could be VLC_TS_INVALID, it means no pts/dts
  * - i_length: length in microseond of the packet, can be null except in the
  *      sout where it is mandatory.
  * - i_rate 0 or a valid input rate, look at vlc_input.h
@@ -48,7 +48,7 @@
  * - p_buffer: pointer over datas. You should never overwrite it, you can
  *   only incremment it to skip datas, in others cases use block_Realloc
  *   (don't duplicate yourself in a bigger buffer, block_Realloc is
- *   optimised for prehader/postdatas increase)
+ *   optimised for preheader/postdatas increase)
  ****************************************************************************/
 typedef struct block_sys_t block_sys_t;
 
@@ -78,6 +78,14 @@ typedef struct block_sys_t block_sys_t;
 #define BLOCK_FLAG_PREROLL       0x0800
 /** This block is corrupted and/or there is data loss  */
 #define BLOCK_FLAG_CORRUPTED     0x1000
+/** This block contains an interlaced picture with top field first */
+#define BLOCK_FLAG_TOP_FIELD_FIRST 0x2000
+/** This block contains an interlaced picture with bottom field first */
+#define BLOCK_FLAG_BOTTOM_FIELD_FIRST 0x4000
+
+/** This block contains an interlaced picture */
+#define BLOCK_FLAG_INTERLACED_MASK \
+    (BLOCK_FLAG_TOP_FIELD_FIRST|BLOCK_FLAG_BOTTOM_FIELD_FIRST)
 
 #define BLOCK_FLAG_TYPE_MASK \
     (BLOCK_FLAG_TYPE_I|BLOCK_FLAG_TYPE_P|BLOCK_FLAG_TYPE_B|BLOCK_FLAG_TYPE_PB)
@@ -95,7 +103,6 @@ typedef void (*block_free_t) (block_t *);
 struct block_t
 {
     block_t     *p_next;
-    block_t     *p_prev;
 
     uint32_t    i_flags;
 
@@ -103,7 +110,7 @@ struct block_t
     mtime_t     i_dts;
     mtime_t     i_length;
 
-    int         i_samples; /* Used for audio */
+    unsigned    i_nb_samples; /* Used for audio */
     int         i_rate;
 
     size_t      i_buffer;
@@ -147,7 +154,7 @@ static inline block_t *block_Duplicate( block_t *p_block )
     p_dup->i_flags   = p_block->i_flags;
     p_dup->i_length  = p_block->i_length;
     p_dup->i_rate    = p_block->i_rate;
-    p_dup->i_samples = p_block->i_samples;
+    p_dup->i_nb_samples = p_block->i_nb_samples;
     memcpy( p_dup->p_buffer, p_block->p_buffer, p_block->i_buffer );
 
     return p_dup;
@@ -158,6 +165,7 @@ static inline void block_Release( block_t *p_block )
     p_block->pf_release( p_block );
 }
 
+VLC_EXPORT( block_t *, block_heap_Alloc, (void *, void *, size_t) LIBVLC_USED );
 VLC_EXPORT( block_t *, block_mmap_Alloc, (void *addr, size_t length) LIBVLC_USED );
 VLC_EXPORT( block_t *, block_File, (int fd) LIBVLC_USED );
 
@@ -172,7 +180,7 @@ static inline void block_Cleanup (void *block)
  ****************************************************************************
  * - block_ChainAppend : append a block to the last block of a chain. Try to
  *      avoid using with a lot of data as it's really slow, prefer
- *      block_ChainLastAppend
+ *      block_ChainLastAppend, p_block can be NULL
  * - block_ChainLastAppend : use a pointer over a pointer to the next blocks,
  *      and update it.
  * - block_ChainRelease : release a chain of block
@@ -284,6 +292,7 @@ static inline block_t *block_ChainGather( block_t *p_list )
  ****************************************************************************
  * - block_FifoNew : create and init a new fifo
  * - block_FifoRelease : destroy a fifo and free all blocks in it.
+ * - block_FifoPace : wait for a fifo to drain to a specified number of packets or total data size
  * - block_FifoEmpty : free all blocks in a fifo
  * - block_FifoPut : put a block
  * - block_FifoGet : get a packet from the fifo (and wait if it is empty)
@@ -291,7 +300,6 @@ static inline block_t *block_ChainGather( block_t *p_list )
  *      needed), be carefull, you can use it ONLY if you are sure to be the
  *      only one getting data from the fifo.
  * - block_FifoCount : how many packets are waiting in the fifo
- * - block_FifoSize : how many cumulated bytes are waiting in the fifo
  * - block_FifoWake : wake ups a thread with block_FifoGet() = NULL
  *   (this is used to wakeup a thread when there is no data to queue)
  *
@@ -300,12 +308,13 @@ static inline block_t *block_ChainGather( block_t *p_list )
 
 VLC_EXPORT( block_fifo_t *, block_FifoNew,      ( void ) LIBVLC_USED );
 VLC_EXPORT( void,           block_FifoRelease,  ( block_fifo_t * ) );
+VLC_EXPORT( void,           block_FifoPace,     ( block_fifo_t *fifo, size_t max_depth, size_t max_size ) );
 VLC_EXPORT( void,           block_FifoEmpty,    ( block_fifo_t * ) );
 VLC_EXPORT( size_t,         block_FifoPut,      ( block_fifo_t *, block_t * ) );
 VLC_EXPORT( void,           block_FifoWake,     ( block_fifo_t * ) );
 VLC_EXPORT( block_t *,      block_FifoGet,      ( block_fifo_t * ) LIBVLC_USED );
 VLC_EXPORT( block_t *,      block_FifoShow,     ( block_fifo_t * ) );
-VLC_EXPORT( size_t,         block_FifoSize,     ( const block_fifo_t *p_fifo ) LIBVLC_USED );
+size_t block_FifoSize( const block_fifo_t *p_fifo ) LIBVLC_USED;
 VLC_EXPORT( size_t,         block_FifoCount,    ( const block_fifo_t *p_fifo ) LIBVLC_USED );
 
 #endif /* VLC_BLOCK_H */