3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
4 * Copyright (c) 2004 Michael Niedermayer
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #define _DEFAULT_SOURCE
26 #include "libavutil/avstring.h"
27 #include "libavutil/log.h"
28 #include "libavutil/opt.h"
29 #include "libavutil/pixdesc.h"
30 #include "libavutil/parseutils.h"
31 #include "libavutil/intreadwrite.h"
33 #include "avio_internal.h"
38 /* Locally define as 0 (bitwise-OR no-op) any missing glob options that
39 are non-posix glibc/bsd extensions. */
41 #define GLOB_NOMAGIC 0
47 #endif /* HAVE_GLOB */
49 static const int sizes[][2] = {
61 static int infer_size(int *width_ptr, int *height_ptr, int size)
65 for (i = 0; i < FF_ARRAY_ELEMS(sizes); i++) {
66 if ((sizes[i][0] * sizes[i][1]) == size) {
67 *width_ptr = sizes[i][0];
68 *height_ptr = sizes[i][1];
76 static int is_glob(const char *path)
82 while (p = strchr(p, '%')) {
87 if (span = strspn(p, "*?[]{}"))
90 /* Did we hit a glob char or get to the end? */
98 * Get index range of image files matched by path.
100 * @param pfirst_index pointer to index updated with the first number in the range
101 * @param plast_index pointer to index updated with the last number in the range
102 * @param path path which has to be matched by the image files in the range
103 * @param start_index minimum accepted value for the first index in the range
104 * @return -1 if no image file could be found
106 static int find_image_range(AVIOContext *pb, int *pfirst_index, int *plast_index,
107 const char *path, int start_index, int start_index_range)
110 int range, last_index, range1, first_index;
112 /* find the first image */
113 for (first_index = start_index; first_index < start_index + start_index_range; first_index++) {
114 if (av_get_frame_filename(buf, sizeof(buf), path, first_index) < 0) {
117 if (pb || avio_check(buf, AVIO_FLAG_READ) > 0)
121 if (avio_check(buf, AVIO_FLAG_READ) > 0)
124 if (first_index == start_index + start_index_range)
127 /* find the last image */
128 last_index = first_index;
136 if (av_get_frame_filename(buf, sizeof(buf), path,
137 last_index + range1) < 0)
139 if (avio_check(buf, AVIO_FLAG_READ) <= 0)
142 /* just in case... */
143 if (range >= (1 << 30))
146 /* we are sure than image last_index + range exists */
151 *pfirst_index = first_index;
152 *plast_index = last_index;
159 static int img_read_probe(AVProbeData *p)
161 if (p->filename && ff_guess_image2_codec(p->filename)) {
162 if (av_filename_number_test(p->filename))
163 return AVPROBE_SCORE_MAX;
164 else if (is_glob(p->filename))
165 return AVPROBE_SCORE_MAX;
166 else if (p->filename[strcspn(p->filename, "*?{")]) // probably PT_GLOB
167 return AVPROBE_SCORE_EXTENSION + 2; // score chosen to be a tad above the image pipes
168 else if (p->buf_size == 0)
170 else if (av_match_ext(p->filename, "raw") || av_match_ext(p->filename, "gif"))
173 return AVPROBE_SCORE_EXTENSION;
178 int ff_img_read_header(AVFormatContext *s1)
180 VideoDemuxData *s = s1->priv_data;
181 int first_index = 1, last_index = 1;
183 enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE;
185 s1->ctx_flags |= AVFMTCTX_NOHEADER;
187 st = avformat_new_stream(s1, NULL);
189 return AVERROR(ENOMEM);
192 if (s->pixel_format &&
193 (pix_fmt = av_get_pix_fmt(s->pixel_format)) == AV_PIX_FMT_NONE) {
194 av_log(s1, AV_LOG_ERROR, "No such pixel format: %s.\n",
196 return AVERROR(EINVAL);
199 av_strlcpy(s->path, s1->filename, sizeof(s->path));
204 if (s1->iformat->flags & AVFMT_NOFILE)
208 st->need_parsing = AVSTREAM_PARSE_FULL;
211 if (s->ts_from_file == 2) {
212 #if !HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
213 av_log(s1, AV_LOG_ERROR, "POSIX.1-2008 not supported, nanosecond file timestamps unavailable\n");
214 return AVERROR(ENOSYS);
216 avpriv_set_pts_info(st, 64, 1, 1000000000);
217 } else if (s->ts_from_file)
218 avpriv_set_pts_info(st, 64, 1, 1);
220 avpriv_set_pts_info(st, 64, s->framerate.den, s->framerate.num);
222 if (s->width && s->height) {
223 st->codec->width = s->width;
224 st->codec->height = s->height;
228 if (s->pattern_type == PT_DEFAULT) {
230 s->pattern_type = PT_NONE;
232 s->pattern_type = PT_GLOB_SEQUENCE;
235 if (s->pattern_type == PT_GLOB_SEQUENCE) {
236 s->use_glob = is_glob(s->path);
239 char *p = s->path, *q, *dup;
243 av_log(s1, AV_LOG_WARNING, "Pattern type 'glob_sequence' is deprecated: "
244 "use pattern_type 'glob' instead\n");
246 dup = q = av_strdup(p);
248 /* Do we have room for the next char and a \ insertion? */
249 if ((p - s->path) >= (sizeof(s->path) - 2))
251 if (*q == '%' && strspn(q + 1, "%*?[]{}"))
253 else if (strspn(q, "\\*?[]{}"))
260 gerr = glob(s->path, GLOB_NOCHECK|GLOB_BRACE|GLOB_NOMAGIC, NULL, &s->globstate);
262 return AVERROR(ENOENT);
265 last_index = s->globstate.gl_pathc - 1;
269 if ((s->pattern_type == PT_GLOB_SEQUENCE && !s->use_glob) || s->pattern_type == PT_SEQUENCE) {
270 if (find_image_range(s1->pb, &first_index, &last_index, s->path,
271 s->start_number, s->start_number_range) < 0) {
272 av_log(s1, AV_LOG_ERROR,
273 "Could find no file with path '%s' and index in the range %d-%d\n",
274 s->path, s->start_number, s->start_number + s->start_number_range - 1);
275 return AVERROR(ENOENT);
277 } else if (s->pattern_type == PT_GLOB) {
280 gerr = glob(s->path, GLOB_NOCHECK|GLOB_BRACE|GLOB_NOMAGIC, NULL, &s->globstate);
282 return AVERROR(ENOENT);
285 last_index = s->globstate.gl_pathc - 1;
288 av_log(s1, AV_LOG_ERROR,
289 "Pattern type 'glob' was selected but globbing "
290 "is not supported by this libavformat build\n");
291 return AVERROR(ENOSYS);
293 } else if (s->pattern_type != PT_GLOB_SEQUENCE && s->pattern_type != PT_NONE) {
294 av_log(s1, AV_LOG_ERROR,
295 "Unknown value '%d' for pattern_type option\n", s->pattern_type);
296 return AVERROR(EINVAL);
298 s->img_first = first_index;
299 s->img_last = last_index;
300 s->img_number = first_index;
301 /* compute duration */
302 if (!s->ts_from_file) {
304 st->duration = last_index - first_index + 1;
308 if (s1->video_codec_id) {
309 st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
310 st->codec->codec_id = s1->video_codec_id;
311 } else if (s1->audio_codec_id) {
312 st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
313 st->codec->codec_id = s1->audio_codec_id;
314 } else if (s1->iformat->raw_codec_id) {
315 st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
316 st->codec->codec_id = s1->iformat->raw_codec_id;
318 const char *str = strrchr(s->path, '.');
319 s->split_planes = str && !av_strcasecmp(str + 1, "y");
320 st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
322 int probe_buffer_size = 2048;
323 uint8_t *probe_buffer = av_realloc(NULL, probe_buffer_size + AVPROBE_PADDING_SIZE);
324 AVInputFormat *fmt = NULL;
325 AVProbeData pd = { 0 };
328 return AVERROR(ENOMEM);
330 probe_buffer_size = avio_read(s1->pb, probe_buffer, probe_buffer_size);
331 if (probe_buffer_size < 0) {
332 av_free(probe_buffer);
333 return probe_buffer_size;
335 memset(probe_buffer + probe_buffer_size, 0, AVPROBE_PADDING_SIZE);
337 pd.buf = probe_buffer;
338 pd.buf_size = probe_buffer_size;
339 pd.filename = s1->filename;
341 while ((fmt = av_iformat_next(fmt))) {
342 if (fmt->read_header != ff_img_read_header ||
344 (fmt->flags & AVFMT_NOFILE) ||
347 if (fmt->read_probe(&pd) > 0) {
348 st->codec->codec_id = fmt->raw_codec_id;
352 if (s1->flags & AVFMT_FLAG_CUSTOM_IO) {
353 avio_seek(s1->pb, 0, SEEK_SET);
355 ffio_rewind_with_probe_data(s1->pb, &probe_buffer, probe_buffer_size);
357 if (st->codec->codec_id == AV_CODEC_ID_NONE)
358 st->codec->codec_id = ff_guess_image2_codec(s->path);
359 if (st->codec->codec_id == AV_CODEC_ID_LJPEG)
360 st->codec->codec_id = AV_CODEC_ID_MJPEG;
361 if (st->codec->codec_id == AV_CODEC_ID_ALIAS_PIX) // we cannot distingiush this from BRENDER_PIX
362 st->codec->codec_id = AV_CODEC_ID_NONE;
364 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
365 pix_fmt != AV_PIX_FMT_NONE)
366 st->codec->pix_fmt = pix_fmt;
371 int ff_img_read_packet(AVFormatContext *s1, AVPacket *pkt)
373 VideoDemuxData *s = s1->priv_data;
374 char filename_bytes[1024];
375 char *filename = filename_bytes;
377 int size[3] = { 0 }, ret[3] = { 0 };
378 AVIOContext *f[3] = { NULL };
379 AVCodecContext *codec = s1->streams[0]->codec;
380 AVOpenCallback open_func = s1->open_cb;
383 open_func = ffio_open2_wrapper;
386 /* loop over input */
387 if (s->loop && s->img_number > s->img_last) {
388 s->img_number = s->img_first;
390 if (s->img_number > s->img_last)
392 if (s->pattern_type == PT_NONE) {
393 av_strlcpy(filename_bytes, s->path, sizeof(filename_bytes));
394 } else if (s->use_glob) {
396 filename = s->globstate.gl_pathv[s->img_number];
399 if (av_get_frame_filename(filename_bytes, sizeof(filename_bytes),
401 s->img_number) < 0 && s->img_number > 1)
404 for (i = 0; i < 3; i++) {
406 !strcmp(filename_bytes, s->path) &&
410 } else if (open_func(s1, &f[i], filename, AVIO_FLAG_READ,
411 &s1->interrupt_callback, NULL) < 0) {
414 av_log(s1, AV_LOG_ERROR, "Could not open file : %s\n",
418 size[i] = avio_size(f[i]);
420 if (!s->split_planes)
422 filename[strlen(filename) - 1] = 'U' + i;
425 if (codec->codec_id == AV_CODEC_ID_NONE) {
426 AVProbeData pd = { 0 };
428 uint8_t header[PROBE_BUF_MIN + AVPROBE_PADDING_SIZE];
432 ret = avio_read(f[0], header, PROBE_BUF_MIN);
435 memset(header + ret, 0, sizeof(header) - ret);
436 avio_skip(f[0], -ret);
439 pd.filename = filename;
441 ifmt = av_probe_input_format3(&pd, 1, &score);
442 if (ifmt && ifmt->read_packet == ff_img_read_packet && ifmt->raw_codec_id)
443 codec->codec_id = ifmt->raw_codec_id;
446 if (codec->codec_id == AV_CODEC_ID_RAWVIDEO && !codec->width)
447 infer_size(&codec->width, &codec->height, size[0]);
450 if (avio_feof(f[0]) && s->loop && s->is_pipe)
451 avio_seek(f[0], 0, SEEK_SET);
454 if (s->frame_size > 0) {
455 size[0] = s->frame_size;
456 } else if (!s1->streams[0]->parser) {
457 size[0] = avio_size(s1->pb);
463 res = av_new_packet(pkt, size[0] + size[1] + size[2]);
467 pkt->stream_index = 0;
468 pkt->flags |= AV_PKT_FLAG_KEY;
469 if (s->ts_from_file) {
470 struct stat img_stat;
471 if (stat(filename, &img_stat)) {
475 pkt->pts = (int64_t)img_stat.st_mtime;
476 #if HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
477 if (s->ts_from_file == 2)
478 pkt->pts = 1000000000*pkt->pts + img_stat.st_mtim.tv_nsec;
480 av_add_index_entry(s1->streams[0], s->img_number, pkt->pts, 0, 0, AVINDEX_KEYFRAME);
481 } else if (!s->is_pipe) {
486 pkt->pos = avio_tell(f[0]);
489 for (i = 0; i < 3; i++) {
491 ret[i] = avio_read(f[i], pkt->data + pkt->size, size[i]);
492 if (s->loop && s->is_pipe && ret[i] == AVERROR_EOF) {
493 if (avio_seek(f[i], 0, SEEK_SET) >= 0) {
495 ret[i] = avio_read(f[i], pkt->data + pkt->size, size[i]);
498 if (!s->is_pipe && f[i] != s1->pb)
505 if (ret[0] <= 0 || ret[1] < 0 || ret[2] < 0) {
506 av_packet_unref(pkt);
509 } else if (ret[1] < 0) {
511 } else if (ret[2] < 0) {
526 for (i = 0; i < 3; i++) {
534 static int img_read_close(struct AVFormatContext* s1)
537 VideoDemuxData *s = s1->priv_data;
539 globfree(&s->globstate);
545 static int img_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
547 VideoDemuxData *s1 = s->priv_data;
548 AVStream *st = s->streams[0];
550 if (s1->ts_from_file) {
551 int index = av_index_search_timestamp(st, timestamp, flags);
554 s1->img_number = st->index_entries[index].pos;
558 if (timestamp < 0 || !s1->loop && timestamp > s1->img_last - s1->img_first)
560 s1->img_number = timestamp%(s1->img_last - s1->img_first + 1) + s1->img_first;
565 #define OFFSET(x) offsetof(VideoDemuxData, x)
566 #define DEC AV_OPT_FLAG_DECODING_PARAM
567 const AVOption ff_img_options[] = {
568 { "framerate", "set the video framerate", OFFSET(framerate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, 0, DEC },
569 { "loop", "force loop over input file sequence", OFFSET(loop), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, DEC },
571 { "pattern_type", "set pattern type", OFFSET(pattern_type), AV_OPT_TYPE_INT, {.i64=PT_DEFAULT}, 0, INT_MAX, DEC, "pattern_type"},
572 { "glob_sequence","select glob/sequence pattern type", 0, AV_OPT_TYPE_CONST, {.i64=PT_GLOB_SEQUENCE}, INT_MIN, INT_MAX, DEC, "pattern_type" },
573 { "glob", "select glob pattern type", 0, AV_OPT_TYPE_CONST, {.i64=PT_GLOB }, INT_MIN, INT_MAX, DEC, "pattern_type" },
574 { "sequence", "select sequence pattern type", 0, AV_OPT_TYPE_CONST, {.i64=PT_SEQUENCE }, INT_MIN, INT_MAX, DEC, "pattern_type" },
575 { "none", "disable pattern matching", 0, AV_OPT_TYPE_CONST, {.i64=PT_NONE }, INT_MIN, INT_MAX, DEC, "pattern_type" },
577 { "pixel_format", "set video pixel format", OFFSET(pixel_format), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC },
578 { "start_number", "set first number in the sequence", OFFSET(start_number), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, DEC },
579 { "start_number_range", "set range for looking at the first sequence number", OFFSET(start_number_range), AV_OPT_TYPE_INT, {.i64 = 5}, 1, INT_MAX, DEC },
580 { "video_size", "set video size", OFFSET(width), AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL}, 0, 0, DEC },
581 { "frame_size", "force frame size in bytes", OFFSET(frame_size), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, DEC },
582 { "ts_from_file", "set frame timestamp from file's one", OFFSET(ts_from_file), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 2, DEC, "ts_type" },
583 { "none", "none", 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, 0, 2, DEC, "ts_type" },
584 { "sec", "second precision", 0, AV_OPT_TYPE_CONST, {.i64 = 1 }, 0, 2, DEC, "ts_type" },
585 { "ns", "nano second precision", 0, AV_OPT_TYPE_CONST, {.i64 = 2 }, 0, 2, DEC, "ts_type" },
589 #if CONFIG_IMAGE2_DEMUXER
590 static const AVClass img2_class = {
591 .class_name = "image2 demuxer",
592 .item_name = av_default_item_name,
593 .option = ff_img_options,
594 .version = LIBAVUTIL_VERSION_INT,
596 AVInputFormat ff_image2_demuxer = {
598 .long_name = NULL_IF_CONFIG_SMALL("image2 sequence"),
599 .priv_data_size = sizeof(VideoDemuxData),
600 .read_probe = img_read_probe,
601 .read_header = ff_img_read_header,
602 .read_packet = ff_img_read_packet,
603 .read_close = img_read_close,
604 .read_seek = img_read_seek,
605 .flags = AVFMT_NOFILE,
606 .priv_class = &img2_class,
609 #if CONFIG_IMAGE2PIPE_DEMUXER
610 static const AVClass img2pipe_class = {
611 .class_name = "image2pipe demuxer",
612 .item_name = av_default_item_name,
613 .option = ff_img_options,
614 .version = LIBAVUTIL_VERSION_INT,
616 AVInputFormat ff_image2pipe_demuxer = {
617 .name = "image2pipe",
618 .long_name = NULL_IF_CONFIG_SMALL("piped image2 sequence"),
619 .priv_data_size = sizeof(VideoDemuxData),
620 .read_header = ff_img_read_header,
621 .read_packet = ff_img_read_packet,
622 .priv_class = &img2pipe_class,
626 static int bmp_probe(AVProbeData *p)
628 const uint8_t *b = p->buf;
631 if (AV_RB16(b) != 0x424d)
634 ihsize = AV_RL32(b+14);
635 if (ihsize < 12 || ihsize > 255)
638 if (!AV_RN32(b + 6)) {
639 return AVPROBE_SCORE_EXTENSION + 1;
641 return AVPROBE_SCORE_EXTENSION / 4;
644 static int dds_probe(AVProbeData *p)
646 const uint8_t *b = p->buf;
648 if ( AV_RB64(b) == 0x444453207c000000
651 return AVPROBE_SCORE_MAX - 1;
655 static int dpx_probe(AVProbeData *p)
657 const uint8_t *b = p->buf;
659 int is_big = (AV_RN32(b) == AV_RN32("SDPX"));
661 if (p->buf_size < 0x304+8)
663 w = is_big ? AV_RB32(p->buf + 0x304) : AV_RL32(p->buf + 0x304);
664 h = is_big ? AV_RB32(p->buf + 0x308) : AV_RL32(p->buf + 0x308);
665 if (w <= 0 || h <= 0)
668 if (is_big || AV_RN32(b) == AV_RN32("XPDS"))
669 return AVPROBE_SCORE_EXTENSION + 1;
673 static int exr_probe(AVProbeData *p)
675 const uint8_t *b = p->buf;
677 if (AV_RL32(b) == 20000630)
678 return AVPROBE_SCORE_EXTENSION + 1;
682 static int j2k_probe(AVProbeData *p)
684 const uint8_t *b = p->buf;
686 if (AV_RB64(b) == 0x0000000c6a502020 ||
687 AV_RB32(b) == 0xff4fff51)
688 return AVPROBE_SCORE_EXTENSION + 1;
692 static int jpeg_probe(AVProbeData *p)
694 const uint8_t *b = p->buf;
697 if (AV_RB16(b) != 0xFFD8 ||
698 AV_RB32(b) == 0xFFD8FFF7)
702 for (i = 0; i < p->buf_size - 3; i++) {
747 i += AV_RB16(&b[i + 2]) + 1;
750 if ( (c >= 0x02 && c <= 0xBF)
757 return AVPROBE_SCORE_EXTENSION + 1;
758 return AVPROBE_SCORE_EXTENSION / 8;
761 static int jpegls_probe(AVProbeData *p)
763 const uint8_t *b = p->buf;
765 if (AV_RB32(b) == 0xffd8fff7)
766 return AVPROBE_SCORE_EXTENSION + 1;
770 static int qdraw_probe(AVProbeData *p)
772 const uint8_t *b = p->buf;
774 if ( p->buf_size >= 528
775 && (AV_RB64(b + 520) & 0xFFFFFFFFFFFF) == 0x001102ff0c00
778 return AVPROBE_SCORE_MAX * 3 / 4;
779 if ( (AV_RB64(b + 8) & 0xFFFFFFFFFFFF) == 0x001102ff0c00
782 return AVPROBE_SCORE_EXTENSION / 4;
786 static int pictor_probe(AVProbeData *p)
788 const uint8_t *b = p->buf;
790 if (AV_RL16(b) == 0x1234)
791 return AVPROBE_SCORE_EXTENSION / 4;
795 static int png_probe(AVProbeData *p)
797 const uint8_t *b = p->buf;
799 if (AV_RB64(b) == 0x89504e470d0a1a0a)
800 return AVPROBE_SCORE_MAX - 1;
804 static int sgi_probe(AVProbeData *p)
806 const uint8_t *b = p->buf;
808 if (AV_RB16(b) == 474 &&
810 (b[3] & ~3) == 0 && b[3] &&
811 (AV_RB16(b + 4) & ~7) == 0 && AV_RB16(b + 4))
812 return AVPROBE_SCORE_EXTENSION + 1;
816 static int sunrast_probe(AVProbeData *p)
818 const uint8_t *b = p->buf;
820 if (AV_RB32(b) == 0x59a66a95)
821 return AVPROBE_SCORE_EXTENSION + 1;
825 static int tiff_probe(AVProbeData *p)
827 const uint8_t *b = p->buf;
829 if (AV_RB32(b) == 0x49492a00 ||
830 AV_RB32(b) == 0x4D4D002a)
831 return AVPROBE_SCORE_EXTENSION + 1;
835 static int webp_probe(AVProbeData *p)
837 const uint8_t *b = p->buf;
839 if (AV_RB32(b) == 0x52494646 &&
840 AV_RB32(b + 8) == 0x57454250)
841 return AVPROBE_SCORE_MAX - 1;
845 #define IMAGEAUTO_DEMUXER(imgname, codecid)\
846 static const AVClass imgname ## _class = {\
847 .class_name = AV_STRINGIFY(imgname) " demuxer",\
848 .item_name = av_default_item_name,\
849 .option = ff_img_options,\
850 .version = LIBAVUTIL_VERSION_INT,\
852 AVInputFormat ff_image_ ## imgname ## _pipe_demuxer = {\
853 .name = AV_STRINGIFY(imgname) "_pipe",\
854 .long_name = NULL_IF_CONFIG_SMALL("piped " AV_STRINGIFY(imgname) " sequence"),\
855 .priv_data_size = sizeof(VideoDemuxData),\
856 .read_probe = imgname ## _probe,\
857 .read_header = ff_img_read_header,\
858 .read_packet = ff_img_read_packet,\
859 .priv_class = & imgname ## _class,\
860 .flags = AVFMT_GENERIC_INDEX, \
861 .raw_codec_id = codecid,\
864 IMAGEAUTO_DEMUXER(bmp, AV_CODEC_ID_BMP)
865 IMAGEAUTO_DEMUXER(dds, AV_CODEC_ID_DDS)
866 IMAGEAUTO_DEMUXER(dpx, AV_CODEC_ID_DPX)
867 IMAGEAUTO_DEMUXER(exr, AV_CODEC_ID_EXR)
868 IMAGEAUTO_DEMUXER(j2k, AV_CODEC_ID_JPEG2000)
869 IMAGEAUTO_DEMUXER(jpeg, AV_CODEC_ID_MJPEG)
870 IMAGEAUTO_DEMUXER(jpegls, AV_CODEC_ID_JPEGLS)
871 IMAGEAUTO_DEMUXER(pictor, AV_CODEC_ID_PICTOR)
872 IMAGEAUTO_DEMUXER(png, AV_CODEC_ID_PNG)
873 IMAGEAUTO_DEMUXER(qdraw, AV_CODEC_ID_QDRAW)
874 IMAGEAUTO_DEMUXER(sgi, AV_CODEC_ID_SGI)
875 IMAGEAUTO_DEMUXER(sunrast, AV_CODEC_ID_SUNRAST)
876 IMAGEAUTO_DEMUXER(tiff, AV_CODEC_ID_TIFF)
877 IMAGEAUTO_DEMUXER(webp, AV_CODEC_ID_WEBP)