/****************************************************************************
* block:
****************************************************************************
- * - block_sys_t is opaque and thus block_t->p_sys is PRIVATE
* - 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.
* (don't duplicate yourself in a bigger buffer, block_Realloc is
* optimised for preheader/postdatas increase)
****************************************************************************/
-typedef struct block_sys_t block_sys_t;
/** The content doesn't follow the last block, or is probably broken */
#define BLOCK_FLAG_DISCONTINUITY 0x0001
struct block_t
{
- block_t *p_next;
+ block_t *p_next;
- uint8_t *p_buffer;
- size_t i_buffer;
+ uint8_t *p_buffer; /**< Payload start */
+ size_t i_buffer; /**< Payload length */
+ uint8_t *p_start; /**< Buffer start */
+ size_t i_size; /**< Buffer total size */
uint32_t i_flags;
unsigned i_nb_samples; /* Used for audio */
* - block_Duplicate : create a copy of a block.
****************************************************************************/
VLC_API void block_Init( block_t *, void *, size_t );
-VLC_API block_t * block_Alloc( size_t ) VLC_USED;
-VLC_API block_t * block_Realloc( block_t *, ssize_t i_pre, size_t i_body ) VLC_USED;
+VLC_API block_t *block_Alloc( size_t ) VLC_USED VLC_MALLOC;
+VLC_API block_t *block_Realloc( block_t *, ssize_t i_pre, size_t i_body ) VLC_USED;
-#define block_New( dummy, size ) block_Alloc(size)
+static inline void block_CopyProperties( block_t *dst, block_t *src )
+{
+ dst->i_flags = src->i_flags;
+ dst->i_nb_samples = src->i_nb_samples;
+ dst->i_dts = src->i_dts;
+ dst->i_pts = src->i_pts;
+ dst->i_length = src->i_length;
+}
VLC_USED
static inline block_t *block_Duplicate( block_t *p_block )
if( p_dup == NULL )
return NULL;
- p_dup->i_flags = p_block->i_flags;
- p_dup->i_nb_samples = p_block->i_nb_samples;
- p_dup->i_dts = p_block->i_dts;
- p_dup->i_pts = p_block->i_pts;
- p_dup->i_length = p_block->i_length;
+ block_CopyProperties( p_dup, p_block );
memcpy( p_dup->p_buffer, p_block->p_buffer, p_block->i_buffer );
return p_dup;
p_block->pf_release( p_block );
}
-VLC_API block_t * block_heap_Alloc(void *, void *, size_t) VLC_USED;
-VLC_API block_t * block_mmap_Alloc(void *addr, size_t length) VLC_USED;
-VLC_API block_t * block_File(int fd) VLC_USED;
+VLC_API block_t *block_heap_Alloc(void *, size_t) VLC_USED VLC_MALLOC;
+VLC_API block_t *block_mmap_Alloc(void *addr, size_t length) VLC_USED VLC_MALLOC;
+VLC_API block_t * block_shm_Alloc(void *addr, size_t length) VLC_USED VLC_MALLOC;
+VLC_API block_t *block_File(int fd) VLC_USED VLC_MALLOC;
+VLC_API block_t *block_FilePath(const char *) VLC_USED VLC_MALLOC;
static inline void block_Cleanup (void *block)
{
* 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_FifoWake : wake ups a thread with block_FifoGet() = NULL
- * (this is used to wakeup a thread when there is no data to queue)
*
* block_FifoGet and block_FifoShow are cancellation points.
****************************************************************************/
-VLC_API block_fifo_t * block_FifoNew( void ) VLC_USED;
+VLC_API block_fifo_t *block_FifoNew( void ) VLC_USED VLC_MALLOC;
VLC_API void block_FifoRelease( block_fifo_t * );
VLC_API void block_FifoPace( block_fifo_t *fifo, size_t max_depth, size_t max_size );
VLC_API void block_FifoEmpty( block_fifo_t * );
VLC_API size_t block_FifoPut( block_fifo_t *, block_t * );
-VLC_API void block_FifoWake( block_fifo_t * );
+void block_FifoWake( block_fifo_t * );
VLC_API block_t * block_FifoGet( block_fifo_t * ) VLC_USED;
VLC_API block_t * block_FifoShow( block_fifo_t * );
size_t block_FifoSize( const block_fifo_t *p_fifo ) VLC_USED;