chroma_probe.c File Reference

Include dependency graph for chroma_probe.c:

Data Structures
struct	bfs_node
struct	bfs_queue_vec

Functions
static int	modules_Probe (vlc_chroma_conv_vec *chroma_table)
static int	bfs_Run (vlc_fourcc_t chroma_from, vlc_fourcc_t chroma_to, unsigned max_depth, const vlc_chroma_conv_vec *chroma_table, int flags, bfs_queue_vec *queue)
static uint64_t	GetChromaBits (const vlc_chroma_description_t *desc, unsigned width, unsigned height)
static float	GetColorRatio (enum vlc_chroma_subtype subtype)
static float	CompareDescs (const vlc_chroma_description_t *in_desc, const vlc_chroma_description_t *out_desc)
static void	vlc_chroma_conv_result_FromNode (struct vlc_chroma_conv_result *res, const struct bfs_node *node, unsigned width, unsigned height)
static int	SortResults (const void *a, const void *b, void *arg)
static bool	bfs_node_IsResult (const struct bfs_node *node, vlc_fourcc_t to)
static bool	vlc_chroma_conv_result_Equals (struct vlc_chroma_conv_result *a, struct vlc_chroma_conv_result *b)
struct vlc_chroma_conv_result *	vlc_chroma_conv_Probe (vlc_fourcc_t from, vlc_fourcc_t to, unsigned width, unsigned height, unsigned max_indirect_steps, int flags, size_t *count)
	Probe possible chroma conversions.
char *	vlc_chroma_conv_result_ToString (const struct vlc_chroma_conv_result *res)
	Get a string representing the result.

Function Documentation

bfs_node_IsResult()

static bool bfs_node_IsResult ( const struct bfs_node *  node, vlc_fourcc_t  to  )

static

References bfs_node::chain, and bfs_node::depth.

Referenced by vlc_chroma_conv_Probe().

bfs_Run()

static int bfs_Run ( vlc_fourcc_t  chroma_from, vlc_fourcc_t  chroma_to, unsigned  max_depth, const vlc_chroma_conv_vec *  chroma_table, int  flags, bfs_queue_vec *  queue  )

static

References bfs_node::chain, vlc_chroma_conv_entry::cost_factor, bfs_node::cost_factor, current, vlc_chroma_conv_vec::data, bfs_queue_vec::data, bfs_node::depth, vlc_chroma_conv_vec::size, bfs_queue_vec::size, vlc_chroma_description_t::subtype, VLC_CHROMA_CONV_FLAG_ONLY_RGB, VLC_CHROMA_CONV_FLAG_ONLY_YUV, VLC_CHROMA_SUBTYPE_RGB, vlc_fourcc_GetChromaDescription(), vlc_fourcc_IsYUV(), and vlc_vector_push.

Referenced by vlc_chroma_conv_Probe().

CompareDescs()

static float CompareDescs ( const vlc_chroma_description_t *  in_desc, const vlc_chroma_description_t *  out_desc  )

static

References vlc_chroma_description_t::color_bits, GetColorRatio(), vlc_chroma_description_t::plane_count, vlc_chroma_description_t::subtype, and vlc_chroma_description_IsYUV().

Referenced by vlc_chroma_conv_result_FromNode().

GetChromaBits()

static uint64_t GetChromaBits ( const vlc_chroma_description_t *  desc, unsigned  width, unsigned  height  )

static

References vlc_chroma_description_t::color_bits, vlc_rational_t::den, vlc_chroma_description_t::h, vlc_rational_t::num, vlc_chroma_description_t::p, vlc_chroma_description_t::pixel_bits, vlc_chroma_description_t::plane_count, vlc_chroma_description_t::subtype, vlc_assert_unreachable, VLC_CHROMA_SUBTYPE_GREY, VLC_CHROMA_SUBTYPE_OTHER, VLC_CHROMA_SUBTYPE_RGB, VLC_CHROMA_SUBTYPE_YUV211, VLC_CHROMA_SUBTYPE_YUV410, VLC_CHROMA_SUBTYPE_YUV411, VLC_CHROMA_SUBTYPE_YUV420, VLC_CHROMA_SUBTYPE_YUV422, VLC_CHROMA_SUBTYPE_YUV440, VLC_CHROMA_SUBTYPE_YUV444, and vlc_chroma_description_t::w.

Referenced by vlc_chroma_conv_result_FromNode().

GetColorRatio()

static float GetColorRatio ( enum vlc_chroma_subtype  subtype )

static

References vlc_assert_unreachable, VLC_CHROMA_SUBTYPE_GREY, VLC_CHROMA_SUBTYPE_OTHER, VLC_CHROMA_SUBTYPE_RGB, VLC_CHROMA_SUBTYPE_YUV211, VLC_CHROMA_SUBTYPE_YUV410, VLC_CHROMA_SUBTYPE_YUV411, VLC_CHROMA_SUBTYPE_YUV420, VLC_CHROMA_SUBTYPE_YUV422, VLC_CHROMA_SUBTYPE_YUV440, and VLC_CHROMA_SUBTYPE_YUV444.

Referenced by CompareDescs().

modules_Probe()

static int modules_Probe ( vlc_chroma_conv_vec *  chroma_table )

static

References vlc_module_map(), and vlc_module_match().

Referenced by vlc_chroma_conv_Probe().

SortResults()

static int SortResults ( const void *  a, const void *  b, void *  arg  )

static

References arg, vlc_chroma_conv_result::cost, and vlc_chroma_conv_result::quality.

Referenced by vlc_chroma_conv_Probe().

vlc_chroma_conv_result_Equals()

static bool vlc_chroma_conv_result_Equals ( struct vlc_chroma_conv_result *  a, struct vlc_chroma_conv_result *  b  )

static

References vlc_chroma_conv_result::chain, vlc_chroma_conv_result::chain_count, and vlc_chroma_conv_result::quality.

Referenced by vlc_chroma_conv_Probe().

vlc_chroma_conv_result_FromNode()

static void vlc_chroma_conv_result_FromNode ( struct vlc_chroma_conv_result *  res, const struct bfs_node *  node, unsigned  width, unsigned  height  )

static

References vlc_chroma_conv_result::chain, bfs_node::chain, vlc_chroma_conv_result::chain_count, CompareDescs(), vlc_chroma_conv_result::cost, bfs_node::cost_factor, bfs_node::depth, GetChromaBits(), vlc_chroma_conv_result::quality, and vlc_fourcc_GetChromaDescription().

Referenced by vlc_chroma_conv_Probe().