nal.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "nal.h"
#include <xine/xine_internal.h>

Functions
static struct nal_buffer *	create_nal_buffer (uint8_t max_size)
static void	free_nal_buffer (struct nal_buffer *nal_buffer)
static void	nal_buffer_append (struct nal_buffer *nal_buffer, struct nal_unit *nal)
static void	nal_buffer_remove (struct nal_buffer *nal_buffer, struct nal_unit *nal)
static struct nal_unit *	nal_buffer_get_last (struct nal_buffer *nal_buffer)
static struct nal_unit *	nal_buffer_get_by_sps_id (struct nal_buffer *nal_buffer, uint32_t seq_parameter_set_id)
static struct nal_unit *	nal_buffer_get_by_pps_id (struct nal_buffer *nal_buffer, uint32_t pic_parameter_set_id)
static struct nal_unit *	create_nal_unit ()
static void	lock_nal_unit (struct nal_unit *nal)
static void	release_nal_unit (struct nal_unit *nal)

Function Documentation

create_nal_buffer()

static struct nal_buffer* create_nal_buffer ( uint8_t  max_size )

static

References nal_buffer::max_size.

Referenced by init_parser().

create_nal_unit()

static struct nal_unit* create_nal_unit ( void  )

static

create a new nal unit, with a lock_counter of 1

References nal_unit::lock_counter.

Referenced by parse_nal_header().

free_nal_buffer()

static void free_nal_buffer ( struct nal_buffer *  nal_buffer )

static

destroys a nal buffer. all referenced nals are released

References nal_buffer::first, nal_unit::next, and release_nal_unit().

Referenced by free_parser().

lock_nal_unit()

static void lock_nal_unit ( struct nal_unit *  nal )

static

References nal_unit::lock_counter.

Referenced by interpret_slice_header(), nal_buffer_append(), and parse_nal().

nal_buffer_append()

static void nal_buffer_append ( struct nal_buffer *  nal_buffer, struct nal_unit *  nal  )

static

appends a nal unit to the end of the buffer

References nal_buffer::first, nal_buffer::last, lock_nal_unit(), lprintf, nal_buffer::max_size, nal_buffer_remove(), nal_unit::next, NULL, nal_unit::prev, and nal_buffer::used.

Referenced by parse_codec_private(), and parse_nal().

nal_buffer_get_by_pps_id()

static struct nal_unit* nal_buffer_get_by_pps_id ( struct nal_buffer *  nal_buffer, uint32_t  pic_parameter_set_id  )

static

get a nal unit from a nal_buffer from it's pic parameter_set_id

References nal_buffer::last, NAL_PPS, nal_unit::nal_unit_type, NULL, pic_parameter_set_rbsp::pic_parameter_set_id, nal_unit::pps, and nal_unit::prev.

Referenced by calculate_pic_order(), interpret_slice_header(), parse_pred_weight_table(), and parse_slice_header().

nal_buffer_get_by_sps_id()

static struct nal_unit* nal_buffer_get_by_sps_id ( struct nal_buffer *  nal_buffer, uint32_t  seq_parameter_set_id  )

static

get a nal unit from a nal_buffer from it's seq parameter_set_id

References nal_buffer::last, NAL_SPS, nal_unit::nal_unit_type, NULL, nal_unit::prev, seq_parameter_set_rbsp::seq_parameter_set_id, and nal_unit::sps.

Referenced by calculate_pic_order(), interpret_slice_header(), parse_pred_weight_table(), and parse_slice_header().

nal_buffer_get_last()

static struct nal_unit* nal_buffer_get_last ( struct nal_buffer *  nal_buffer )

static

returns the last element in the buffer

References nal_buffer::last.

Referenced by parse_sei().

nal_buffer_remove()

static void nal_buffer_remove ( struct nal_buffer *  nal_buffer, struct nal_unit *  nal  )

static

References nal_buffer::first, nal_buffer::last, nal_unit::next, NULL, nal_unit::prev, release_nal_unit(), and nal_buffer::used.

Referenced by nal_buffer_append().

release_nal_unit()

static void release_nal_unit ( struct nal_unit *  nal )

static

References nal_unit::lock_counter.

Referenced by free_coded_picture(), free_nal_buffer(), interpret_slice_header(), nal_buffer_remove(), and parse_nal().