#include "avformat.h"
#include "avio_internal.h"
#include "demux.h"
#include "internal.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/codec_par.h"
#include "libavutil/avassert.h"
#include "libavutil/iamf.h"
#include "libavutil/internal.h"
#include "libavutil/intmath.h"
#include "libavutil/opt.h"
#include "options_table.h"

Macros
#define	ITER_STATE_SHIFT 16

#define	DISPOSITION_OPT(ctx)

#define	FLAGS AV_OPT_FLAG_ENCODING_PARAM \| AV_OPT_FLAG_VIDEO_PARAM

#define	OFFSET(x) offsetof(AVStreamGroupTileGrid, x)

Enumerations
enum	{ CHILD_CLASS_ITER_AVIO = 0, CHILD_CLASS_ITER_MUX, CHILD_CLASS_ITER_DEMUX, CHILD_CLASS_ITER_DONE }

Functions
FF_DISABLE_DEPRECATION_WARNINGS static const FF_ENABLE_DEPRECATION_WARNINGS char *	format_to_name (void *ptr)

static void *	format_child_next (void obj, void prev)

static const AVClass *	format_child_class_iterate (void **iter)

static AVClassCategory	get_category (void *ptr)

static int	io_open_default (AVFormatContext s, AVIOContext pb, const char url, int flags, AVDictionary **options)

static int	io_close2_default (AVFormatContext s, AVIOContext pb)

AVFormatContext *	avformat_alloc_context (void)
	Allocate an AVFormatContext. More...

const AVClass *	avformat_get_class (void)
	Get the AVClass for AVFormatContext. More...

const AVClass *	av_stream_get_class (void)
	Get the AVClass for AVStream. More...

AVStream *	avformat_new_stream (AVFormatContext s, const AVCodec c)

static void *	stream_group_child_next (void obj, void prev)

static const AVClass *	stream_group_child_iterate (void **opaque)

const AVClass *	av_stream_group_get_class (void)
	Get the AVClass for AVStreamGroup. More...

AVStreamGroup *	avformat_stream_group_create (AVFormatContext s, enum AVStreamGroupParamsType type, AVDictionary *options)
	Add a new empty stream group to a media file. More...

static int	stream_group_add_stream (AVStreamGroup stg, AVStream st)

int	avformat_stream_group_add_stream (AVStreamGroup stg, AVStream st)
	Add an already allocated stream to a stream group. More...

static int	option_is_disposition (const AVOption *opt)

int	av_disposition_from_string (const char *disp)

const char *	av_disposition_to_string (int disposition)

Variables
static const AVClass	av_format_context_class

static const AVOption	stream_options []

static const AVClass	stream_class

static const AVOption	tile_grid_options []

static const AVClass	tile_grid_class

static const AVOption	stream_group_options []

static const AVClass	stream_group_class

Detailed Description

Options definition for AVFormatContext.

Definition in file options.c.

Macro Definition Documentation

◆ ITER_STATE_SHIFT

#define ITER_STATE_SHIFT 16

Definition at line 71 of file options.c.

◆ DISPOSITION_OPT

#define DISPOSITION_OPT ( ctx )

Value:

    { "disposition", NULL, offsetof(ctx, disposition), AV_OPT_TYPE_FLAGS, { .i64 = 0 },                                             \
        .flags = AV_OPT_FLAG_ENCODING_PARAM, .unit = "disposition" },                                                               \
        { "default",            .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT           },    .unit = "disposition" }, \
        { "dub",                .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB               },    .unit = "disposition" }, \
        { "original",           .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL          },    .unit = "disposition" }, \
        { "comment",            .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT           },    .unit = "disposition" }, \
        { "lyrics",             .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS            },    .unit = "disposition" }, \
        { "karaoke",            .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE           },    .unit = "disposition" }, \
        { "forced",             .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED            },    .unit = "disposition" }, \
        { "hearing_impaired",   .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED  },    .unit = "disposition" }, \
        { "visual_impaired",    .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED   },    .unit = "disposition" }, \
        { "clean_effects",      .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS     },    .unit = "disposition" }, \
        { "attached_pic",       .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ATTACHED_PIC      },    .unit = "disposition" }, \
        { "timed_thumbnails",   .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_TIMED_THUMBNAILS  },    .unit = "disposition" }, \
        { "non_diegetic",       .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_NON_DIEGETIC      },    .unit = "disposition" }, \
        { "captions",           .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS          },    .unit = "disposition" }, \
        { "descriptions",       .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS      },    .unit = "disposition" }, \
        { "metadata",           .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA          },    .unit = "disposition" }, \
        { "dependent",          .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEPENDENT         },    .unit = "disposition" }, \
        { "still_image",        .type = AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_STILL_IMAGE       },    .unit = "disposition" }

Definition at line 201 of file options.c.

◆ FLAGS

#define FLAGS AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM

Definition at line 334 of file options.c.

◆ OFFSET

#define OFFSET ( x ) offsetof(AVStreamGroupTileGrid, x)

Definition at line 335 of file options.c.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Enumerator
CHILD_CLASS_ITER_AVIO
CHILD_CLASS_ITER_MUX
CHILD_CLASS_ITER_DEMUX
CHILD_CLASS_ITER_DONE

Definition at line 63 of file options.c.

Function Documentation

◆ format_to_name()

FF_DISABLE_DEPRECATION_WARNINGS static const FF_ENABLE_DEPRECATION_WARNINGS char* format_to_name ( void * ptr )

static

Definition at line 43 of file options.c.

◆ format_child_next()

static void* format_child_next	(	void *	obj,
		void *	prev
	)

static

Definition at line 51 of file options.c.

◆ format_child_class_iterate()

static const AVClass* format_child_class_iterate ( void ** iter )

static

Definition at line 73 of file options.c.

◆ get_category()

static AVClassCategory get_category ( void * ptr )

static

Definition at line 119 of file options.c.

◆ io_open_default()

static int io_open_default	(	AVFormatContext *	s,
		AVIOContext **	pb,
		const char *	url,
		int	flags,
		AVDictionary **	options
	)

static

Definition at line 137 of file options.c.

Referenced by avformat_alloc_context().

◆ io_close2_default()

static int io_close2_default	(	AVFormatContext *	s,
		AVIOContext *	pb
	)

static

Definition at line 155 of file options.c.

Referenced by avformat_alloc_context().

◆ avformat_new_stream()

AVStream* avformat_new_stream	(	AVFormatContext *	s,
		const AVCodec *	c
	)

Definition at line 249 of file options.c.

◆ stream_group_child_next()

static void* stream_group_child_next	(	void *	obj,
		void *	prev
	)

static

Definition at line 356 of file options.c.

◆ stream_group_child_iterate()

static const AVClass* stream_group_child_iterate ( void ** opaque )

static

Definition at line 374 of file options.c.

◆ stream_group_add_stream()

static int stream_group_add_stream	(	AVStreamGroup *	stg,
		AVStream *	st
	)

static

Definition at line 481 of file options.c.

Referenced by avformat_stream_group_add_stream().

◆ option_is_disposition()

static int option_is_disposition ( const AVOption * opt )

static

Definition at line 509 of file options.c.

Referenced by av_disposition_from_string(), and av_disposition_to_string().

◆ av_disposition_from_string()

int av_disposition_from_string ( const char * disp )

Returns: The AV_DISPOSITION_* flag corresponding to disp or a negative error code if disp does not correspond to a known stream disposition.

Definition at line 515 of file options.c.

◆ av_disposition_to_string()

const char* av_disposition_to_string ( int disposition )

Parameters

disposition a combination of AV_DISPOSITION_* values

Returns: The string description corresponding to the lowest set bit in disposition. NULL when the lowest set bit does not correspond to a known disposition or when disposition is 0.

Definition at line 523 of file options.c.

Referenced by print_dispositions(), and show_dispositions().

Variable Documentation

◆ av_format_context_class

const AVClass av_format_context_class

static

Initial value:

= {
    .class_name     = "AVFormatContext",
    .item_name      = format_to_name,
    .option         = avformat_options,
    .version        = LIBAVUTIL_VERSION_INT,
    .child_next     = format_child_next,
    .child_class_iterate = format_child_class_iterate,
    .category       = AV_CLASS_CATEGORY_MUXER,
    .get_category   = get_category,
}

Definition at line 126 of file options.c.

Referenced by avformat_alloc_context(), and avformat_get_class().

◆ stream_options

const AVOption stream_options[]

static

Initial value:

= {
    DISPOSITION_OPT(AVStream),
    { "discard", NULL, 0x42, AV_OPT_TYPE_INT, { .i64 = AVDISCARD_DEFAULT }, INT_MIN, INT_MAX,
        .flags = AV_OPT_FLAG_DECODING_PARAM, .unit = "avdiscard" },
        { "none",               .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_NONE     }, .unit = "avdiscard" },
        { "default",            .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_DEFAULT  }, .unit = "avdiscard" },
        { "noref",              .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_NONREF   }, .unit = "avdiscard" },
        { "bidir",              .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_BIDIR    }, .unit = "avdiscard" },
        { "nointra",            .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_NONINTRA }, .unit = "avdiscard" },
        { "nokey",              .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_NONKEY   }, .unit = "avdiscard" },
        { "all",                .type = AV_OPT_TYPE_CONST, {.i64 = AVDISCARD_ALL      }, .unit = "avdiscard" },
    { NULL }
}

Definition at line 223 of file options.c.

Referenced by av_disposition_from_string(), and av_disposition_to_string().

◆ stream_class

const AVClass stream_class

static

Initial value:

= {
    .class_name     = "AVStream",
    .item_name      = av_default_item_name,
    .version        = LIBAVUTIL_VERSION_INT,
    .option         = stream_options,
}

Definition at line 237 of file options.c.

Referenced by av_stream_get_class(), and avformat_new_stream().

◆ tile_grid_options

const AVOption tile_grid_options[]

static

Initial value:

= {
    { "grid_size", "size of the output canvas", OFFSET(coded_width),
        AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, INT_MAX, FLAGS },
    { "output_size", "size of valid pixels in output image meant for presentation", OFFSET(width),
        AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, INT_MAX, FLAGS },
    { "background_color", "set a background color for unused pixels",
        OFFSET(background), AV_OPT_TYPE_COLOR, { .str = "black"}, 0, 0, FLAGS },
    { "horizontal_offset", NULL, OFFSET(horizontal_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS },
    { "vertical_offset",   NULL, OFFSET(vertical_offset),   AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FLAGS },
    { NULL },
}

Definition at line 336 of file options.c.

◆ tile_grid_class

const AVClass tile_grid_class

static

Initial value:

= {
    .class_name = "AVStreamGroupTileGrid",
    .version    = LIBAVUTIL_VERSION_INT,
    .option     = tile_grid_options,
}

Definition at line 350 of file options.c.

Referenced by avformat_stream_group_create(), and stream_group_child_iterate().

◆ stream_group_options

const AVOption stream_group_options[]

static

Initial value:

= {
    DISPOSITION_OPT(AVStreamGroup),
    {"id", "Set group id", 0x42, AV_OPT_TYPE_INT64, {.i64 = 0}, 0, INT64_MAX, AV_OPT_FLAG_ENCODING_PARAM },
    { NULL }
}

Definition at line 401 of file options.c.

◆ stream_group_class

const AVClass stream_group_class

static

Initial value:

= {
    .class_name     = "AVStreamGroup",
    .item_name      = av_default_item_name,
    .version        = LIBAVUTIL_VERSION_INT,
    .option         = stream_group_options,
    .child_next     = stream_group_child_next,
    .child_class_iterate = stream_group_child_iterate,
}

Definition at line 407 of file options.c.

Referenced by av_stream_group_get_class(), and avformat_stream_group_create().

Macros

Enumerations

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ ITER_STATE_SHIFT

◆ DISPOSITION_OPT

◆ FLAGS

◆ OFFSET

Enumeration Type Documentation

◆ anonymous enum

Function Documentation

◆ format_to_name()

◆ format_child_next()

◆ format_child_class_iterate()

◆ get_category()

◆ io_open_default()

◆ io_close2_default()

◆ avformat_new_stream()

◆ stream_group_child_next()

◆ stream_group_child_iterate()

◆ stream_group_add_stream()

◆ option_is_disposition()

◆ av_disposition_from_string()

◆ av_disposition_to_string()

Variable Documentation

◆ av_format_context_class

◆ stream_options

◆ stream_class

◆ tile_grid_options

◆ tile_grid_class

◆ stream_group_options

◆ stream_group_class