libavformat/img2.c File Reference

#include "libavutil/intreadwrite.h"
#include "libavutil/avstring.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/parseutils.h"
#include "avformat.h"
#include "avio_internal.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	VideoData
struct	IdStrMap
Defines
#define	OFFSET(x)   offsetof(VideoData, x)
#define	DEC   AV_OPT_FLAG_DECODING_PARAM
Functions
static int	infer_size (int *width_ptr, int *height_ptr, int size)
static enum CodecID	av_str2id (const IdStrMap *tags, const char *str)
static int	find_image_range (int *pfirst_index, int *plast_index, const char *path)
static int	read_probe (AVProbeData *p)
enum CodecID	ff_guess_image2_codec (const char *filename)
enum CodecID	av_guess_image2_codec (const char *filename)
static int	read_header (AVFormatContext *s1, AVFormatParameters *ap)
static int	read_packet (AVFormatContext *s1, AVPacket *pkt)
static int	write_header (AVFormatContext *s)
static int	write_packet (AVFormatContext *s, AVPacket *pkt)
Variables
static const IdStrMap	img_tags []
static const int	sizes [][2]
static const AVOption	options []
static const AVClass	img2_class
AVInputFormat	ff_image2_demuxer
static const AVClass	img2pipe_class
AVInputFormat	ff_image2pipe_demuxer
AVOutputFormat	ff_image2_muxer
AVOutputFormat	ff_image2pipe_muxer

---

Define Documentation

#define DEC   AV_OPT_FLAG_DECODING_PARAM

Definition at line 453 of file img2.c.

#define OFFSET

(

x

)

offsetof(VideoData, x)

Definition at line 452 of file img2.c.

---

Function Documentation

enum CodecID av_guess_image2_codec

(

const char *

filename

)

Definition at line 202 of file img2.c.

static enum CodecID av_str2id	(	const IdStrMap *	tags,
		const char *	str
	)			[static]

Definition at line 116 of file img2.c.

Referenced by av_guess_image2_codec(), ff_guess_image2_codec(), read_header(), read_probe(), and write_packet().

enum CodecID ff_guess_image2_codec

(

const char *

filename

)

Definition at line 196 of file img2.c.

Referenced by av_guess_codec(), and av_guess_format().

static int find_image_range	(	int *	pfirst_index,
		int *	plast_index,
		const char *	path
	)			[static]

Definition at line 132 of file img2.c.

Referenced by read_header().

static int infer_size	(	int *	width_ptr,
		int *	height_ptr,
		int	size
	)			[static]

Definition at line 103 of file img2.c.

Referenced by read_packet().

static int read_header	(	AVFormatContext *	s1,
		AVFormatParameters *	ap
	)			[static]

Definition at line 207 of file img2.c.

static int read_packet	(	AVFormatContext *	s1,
		AVPacket *	pkt
	)			[static]

Definition at line 287 of file img2.c.

static int read_probe

(

AVProbeData *

p

)

[static]

Definition at line 185 of file img2.c.

static int write_header

(

AVFormatContext *

s

)

[static]

Definition at line 359 of file img2.c.

static int write_packet	(	AVFormatContext *	s,
		AVPacket *	pkt
	)			[static]

Definition at line 375 of file img2.c.

---

Variable Documentation

AVInputFormat ff_image2_demuxer

Initial value:

 {
    .name           = "image2",
    .long_name      = NULL_IF_CONFIG_SMALL("image2 sequence"),
    .priv_data_size = sizeof(VideoData),
    .read_probe     = read_probe,
    .read_header    = read_header,
    .read_packet    = read_packet,
    .flags          = AVFMT_NOFILE,
    .priv_class     = &img2_class,
}

Definition at line 470 of file img2.c.

AVOutputFormat ff_image2_muxer

Initial value:

 {
    .name           = "image2",
    .long_name      = NULL_IF_CONFIG_SMALL("image2 sequence"),
    .extensions     = "bmp,dpx,jpeg,jpg,ljpg,pam,pbm,pcx,pgm,pgmyuv,png,"
                      "ppm,sgi,tga,tif,tiff,jp2",
    .priv_data_size = sizeof(VideoData),
    .video_codec    = CODEC_ID_MJPEG,
    .write_header   = write_header,
    .write_packet   = write_packet,
    .flags          = AVFMT_NOTIMESTAMPS | AVFMT_NODIMENSIONS | AVFMT_NOFILE
}

Definition at line 500 of file img2.c.

AVInputFormat ff_image2pipe_demuxer

Initial value:

 {
    .name           = "image2pipe",
    .long_name      = NULL_IF_CONFIG_SMALL("piped image2 sequence"),
    .priv_data_size = sizeof(VideoData),
    .read_header    = read_header,
    .read_packet    = read_packet,
    .priv_class     = &img2pipe_class,
}

Definition at line 488 of file img2.c.

AVOutputFormat ff_image2pipe_muxer

Initial value:

 {
    .name           = "image2pipe",
    .long_name      = NULL_IF_CONFIG_SMALL("piped image2 sequence"),
    .priv_data_size = sizeof(VideoData),
    .video_codec    = CODEC_ID_MJPEG,
    .write_header   = write_header,
    .write_packet   = write_packet,
    .flags          = AVFMT_NOTIMESTAMPS | AVFMT_NODIMENSIONS
}

Definition at line 513 of file img2.c.

const AVClass img2_class [static]

Initial value:

 {
    .class_name = "image2 demuxer",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 464 of file img2.c.

const AVClass img2pipe_class [static]

Initial value:

 {
    .class_name = "image2pipe demuxer",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 482 of file img2.c.

const IdStrMap img_tags[] [static]

Definition at line 52 of file img2.c.

const AVOption options[] [static]

Initial value:

 {
    { "pixel_format", "", OFFSET(pixel_format), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC },
    { "video_size",   "", OFFSET(video_size),   AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC },
    { "framerate",    "", OFFSET(framerate),    AV_OPT_TYPE_STRING, {.str = "25"}, 0, 0, DEC },
    { "loop",         "", OFFSET(loop),         AV_OPT_TYPE_INT,    {.dbl = 0},    0, 1, DEC },
    { NULL },
}

Definition at line 454 of file img2.c.

const int sizes[][2] [static]

Initial value:

 {
    { 640, 480 },
    { 720, 480 },
    { 720, 576 },
    { 352, 288 },
    { 352, 240 },
    { 160, 128 },
    { 512, 384 },
    { 640, 352 },
    { 640, 240 },
}

Definition at line 91 of file img2.c.

Referenced by aac_encode_init(), infer_size(), ra144_decode_frame(), ra144_encode_frame(), setup_partitions(), svq1_decode_init(), and x8_vlc_init().