/*****************************************************************************
* vlc_block.h: Data blocks management functions
*****************************************************************************
- * Copyright (C) 2003 the VideoLAN team
+ * Copyright (C) 2003 VLC authors and VideoLAN
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef VLC_BLOCK_H
*
*/
+#include <sys/types.h> /* for ssize_t */
+
/****************************************************************************
* 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; /**< 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 */
mtime_t i_pts;
mtime_t i_dts;
mtime_t i_length;
- unsigned i_nb_samples; /* Used for audio */
-
- size_t i_buffer;
- uint8_t *p_buffer;
-
/* Rudimentary support for overloading block (de)allocation. */
block_free_t pf_release;
};
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_flags = p_block->i_flags;
p_dup->i_length = p_block->i_length;
- 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;
p_block->pf_release( p_block );
}
-VLC_API block_t * block_heap_Alloc(void *, void *, size_t) VLC_USED;
+VLC_API block_t * block_heap_Alloc(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;
* 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 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;