text: /*
   * Image format
   * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
   * Copyright (c) 2004 Michael Niedermayer
   *
   * This file is part of FFmpeg.
   *
   * FFmpeg is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * FFmpeg is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with FFmpeg; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
   */
  
  #define _BSD_SOURCE
  #include <sys/stat.h>
  #include "libavutil/avstring.h"
  #include "libavutil/log.h"
  #include "libavutil/opt.h"
  #include "libavutil/pixdesc.h"
  #include "libavutil/parseutils.h"
  #include "libavutil/intreadwrite.h"
  #include "avformat.h"
  #include "avio_internal.h"
  #include "internal.h"
  #include "img2.h"
  
  #if HAVE_GLOB
  /* Locally define as 0 (bitwise-OR no-op) any missing glob options that
     are non-posix glibc/bsd extensions. */
  #ifndef GLOB_NOMAGIC
  #define GLOB_NOMAGIC 0
  #endif
  #ifndef GLOB_BRACE
  #define GLOB_BRACE 0
  #endif
  
  #endif /* HAVE_GLOB */
  
  static const int sizes[][2] = {
      { 640, 480 },
      { 720, 480 },
      { 720, 576 },
      { 352, 288 },
      { 352, 240 },
      { 160, 128 },
      { 512, 384 },
      { 640, 352 },
      { 640, 240 },
  };
  
  static int infer_size(int *width_ptr, int *height_ptr, int size)
  {
      int i;
  
      for (i = 0; i < FF_ARRAY_ELEMS(sizes); i++) {
          if ((sizes[i][0] * sizes[i][1]) == size) {
              *width_ptr  = sizes[i][0];
              *height_ptr = sizes[i][1];
              return 0;
          }
      }
  
      return -1;
  }
  
  static int is_glob(const char *path)
  {
  #if HAVE_GLOB
      size_t span = 0;
      const char *p = path;
  
      while (p = strchr(p, '%')) {
          if (*(++p) == '%') {
              ++p;
              continue;
          }
          if (span = strspn(p, "*?[]{}"))
              break;
      }
      /* Did we hit a glob char or get to the end? */
      return span != 0;
  #else
      return 0;
  #endif
  }
  
  /**
   * Get index range of image files matched by path.
   *
   * @param pfirst_index pointer to index updated with the first number in the range
   * @param plast_index  pointer to index updated with the last number in the range
   * @param path         path which has to be matched by the image files in the range
   * @param start_index  minimum accepted value for the first index in the range
   * @return -1 if no image file could be found
   */
  static int find_image_range(int *pfirst_index, int *plast_index,
                              const char *path, int start_index, int start_index_range)
  {
      char buf[1024];
      int range, last_index, range1, first_index;
  
      /* find the first image */
      for (first_index = start_index; first_index < start_index + start_index_range; first_index++) {
          if (av_get_frame_filename(buf, sizeof(buf), path, first_index) < 0) {
              *pfirst_index =
              *plast_index  = 1;
              if (avio_check(buf, AVIO_FLAG_READ) > 0)
                  return 0;
              return -1;
          }
          if (avio_check(buf, AVIO_FLAG_READ) > 0)
              break;
      }
      if (first_index == start_index + start_index_range)
          goto fail;
  
      /* find the last image */
      last_index = first_index;
      for (;;) {
          range = 0;
          for (;;) {
              if (!range)
                  range1 = 1;
              else
                  range1 = 2 * range;
              if (av_get_frame_filename(buf, sizeof(buf), path,
                                        last_index + range1) < 0)
                  goto fail;
              if (avio_check(buf, AVIO_FLAG_READ) <= 0)
                  break;
              range = range1;
              /* just in case... */
              if (range >= (1 << 30))
                  goto fail;
          }
          /* we are sure than image last_index + range exists */
          if (!range)
              break;
          last_index += range;
      }
      *pfirst_index = first_index;
      *plast_index  = last_index;
      return 0;
  
  fail:
      return -1;
  }
  
  static int img_read_probe(AVProbeData *p)
  {
      if (p->filename && ff_guess_image2_codec(p->filename)) {
          if (av_filename_number_test(p->filename))
              return AVPROBE_SCORE_MAX;
          else if (is_glob(p->filename))
              return AVPROBE_SCORE_MAX;
          else if (av_match_ext(p->filename, "raw") || av_match_ext(p->filename, "gif"))
              return 5;
          else
              return AVPROBE_SCORE_EXTENSION;
      }
      return 0;
  }
  
  int ff_img_read_header(AVFormatContext *s1)
  {
      VideoDemuxData *s = s1->priv_data;
      int first_index, last_index;
      AVStream *st;
      enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE;
  
      s1->ctx_flags |= AVFMTCTX_NOHEADER;
  
      st = avformat_new_stream(s1, NULL);
      if (!st) {
          return AVERROR(ENOMEM);
      }
  
      if (s->pixel_format &&
          (pix_fmt = av_get_pix_fmt(s->pixel_format)) == AV_PIX_FMT_NONE) {
          av_log(s1, AV_LOG_ERROR, "No such pixel format: %s.\n",
                 s->pixel_format);
          return AVERROR(EINVAL);
      }
  
      av_strlcpy(s->path, s1->filename, sizeof(s->path));
      s->img_number = 0;
      s->img_count  = 0;
  
      /* find format */
      if (s1->iformat->flags & AVFMT_NOFILE)
          s->is_pipe = 0;
      else {
          s->is_pipe       = 1;
          st->need_parsing = AVSTREAM_PARSE_FULL;
      }
  
      if (s->ts_from_file == 2) {
  #if !HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
          av_log(s1, AV_LOG_ERROR, "POSIX.1-2008 not supported, nanosecond file timestamps unavailable\n");
          return AVERROR(ENOSYS);
  #endif
          avpriv_set_pts_info(st, 64, 1, 1000000000);
      } else if (s->ts_from_file)
          avpriv_set_pts_info(st, 64, 1, 1);
      else
          avpriv_set_pts_info(st, 64, s->framerate.den, s->framerate.num);
  
      if (s->width && s->height) {
          st->codec->width  = s->width;
          st->codec->height = s->height;
      }
  
      if (!s->is_pipe) {
          if (s->pattern_type == PT_GLOB_SEQUENCE) {
          s->use_glob = is_glob(s->path);
          if (s->use_glob) {
              char *p = s->path, *q, *dup;
              int gerr;
  
              av_log(s1, AV_LOG_WARNING, "Pattern type 'glob_sequence' is deprecated: "
                     "use pattern_type 'glob' instead\n");
  #if HAVE_GLOB
              dup = q = av_strdup(p);
              while (*q) {
                  /* Do we have room for the next char and a \ insertion? */
                  if ((p - s->path) >= (sizeof(s->path) - 2))
                    break;
                  if (*q == '%' && strspn(q + 1, "%*?[]{}"))
                      ++q;
                  else if (strspn(q, "\\*?[]{}"))
                      *p++ = '\\';
                  *p++ = *q++;
              }
              *p = 0;
              av_free(dup);
  
              gerr = glob(s->path, GLOB_NOCHECK|GLOB_BRACE|GLOB_NOMAGIC, NULL, &s->globstate);
              if (gerr != 0) {
                  return AVERROR(ENOENT);
              }
              first_index = 0;
              last_index = s->globstate.gl_pathc - 1;
  #endif
          }
          }
          if ((s->pattern_type == PT_GLOB_SEQUENCE && !s->use_glob) || s->pattern_type == PT_SEQUENCE) {
              if (find_image_range(&first_index, &last_index, s->path,
                                   s->start_number, s->start_number_range) < 0) {
                  av_log(s1, AV_LOG_ERROR,
                         "Could find no file with path '%s' and index in the range %d-%d\n",
                         s->path, s->start_number, s->start_number + s->start_number_range - 1);
                  return AVERROR(ENOENT);
              }
          } else if (s->pattern_type == PT_GLOB) {
  #if HAVE_GLOB
              int gerr;
              gerr = glob(s->path, GLOB_NOCHECK|GLOB_BRACE|GLOB_NOMAGIC, NULL, &s->globstate);
              if (gerr != 0) {
                  return AVERROR(ENOENT);
              }
              first_index = 0;
              last_index = s->globstate.gl_pathc - 1;
              s->use_glob = 1;
  #else
              av_log(s1, AV_LOG_ERROR,
                     "Pattern type 'glob' was selected but globbing "
                     "is not supported by this libavformat build\n");
              return AVERROR(ENOSYS);
  #endif
          } else if (s->pattern_type != PT_GLOB_SEQUENCE) {
              av_log(s1, AV_LOG_ERROR,
                     "Unknown value '%d' for pattern_type option\n", s->pattern_type);
              return AVERROR(EINVAL);
          }
          s->img_first  = first_index;
          s->img_last   = last_index;
          s->img_number = first_index;
          /* compute duration */
          if (!s->ts_from_file) {
              st->start_time = 0;
              st->duration   = last_index - first_index + 1;
          }
      }
  
      if (s1->video_codec_id) {
          st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
          st->codec->codec_id   = s1->video_codec_id;
      } else if (s1->audio_codec_id) {
          st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
          st->codec->codec_id   = s1->audio_codec_id;
      } else if (s1->iformat->raw_codec_id) {
          st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
          st->codec->codec_id   = s1->iformat->raw_codec_id;
      } else {
          const char *str = strrchr(s->path, '.');
          s->split_planes       = str && !av_strcasecmp(str + 1, "y");
          st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
          if (s1->pb) {
              int probe_buffer_size = 2048;
              uint8_t *probe_buffer = av_realloc(NULL, probe_buffer_size + AVPROBE_PADDING_SIZE);
              AVInputFormat *fmt = NULL;
              AVProbeData pd;
  
              if (!probe_buffer)
                  return AVERROR(ENOMEM);
  
              probe_buffer_size = avio_read(s1->pb, probe_buffer, probe_buffer_size);
              if (probe_buffer_size < 0) {
                  av_free(probe_buffer);
                  return probe_buffer_size;
              }
              memset(probe_buffer + probe_buffer_size, 0, AVPROBE_PADDING_SIZE);
  
              pd.buf = probe_buffer;
              pd.buf_size = probe_buffer_size;
              pd.filename = s1->filename;
  
              while ((fmt = av_iformat_next(fmt))) {
                  if (fmt->read_header != ff_img_read_header ||
                      !fmt->read_probe ||
                      (fmt->flags & AVFMT_NOFILE) ||
                      !fmt->raw_codec_id)
                      continue;
                  if (fmt->read_probe(&pd) > 0) {
                      st->codec->codec_id = fmt->raw_codec_id;
                      break;
                  }
              }
              ffio_rewind_with_probe_data(s1->pb, &probe_buffer, probe_buffer_size);
          }
          if (st->codec->codec_id == AV_CODEC_ID_NONE)
              st->codec->codec_id = ff_guess_image2_codec(s->path);
          if (st->codec->codec_id == AV_CODEC_ID_LJPEG)
              st->codec->codec_id = AV_CODEC_ID_MJPEG;
          if (st->codec->codec_id == AV_CODEC_ID_ALIAS_PIX) // we cannot distingiush this from BRENDER_PIX
              st->codec->codec_id = AV_CODEC_ID_NONE;
      }
      if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
          pix_fmt != AV_PIX_FMT_NONE)
          st->codec->pix_fmt = pix_fmt;
  
      return 0;
  }
  
  int ff_img_read_packet(AVFormatContext *s1, AVPacket *pkt)
  {
      VideoDemuxData *s = s1->priv_data;
      char filename_bytes[1024];
      char *filename = filename_bytes;
      int i;
      int size[3]           = { 0 }, ret[3] = { 0 };
      AVIOContext *f[3]     = { NULL };
      AVCodecContext *codec = s1->streams[0]->codec;
  
      if (!s->is_pipe) {
          /* loop over input */
          if (s->loop && s->img_number > s->img_last) {
              s->img_number = s->img_first;
          }
          if (s->img_number > s->img_last)
              return AVERROR_EOF;
          if (s->use_glob) {
  #if HAVE_GLOB
              filename = s->globstate.gl_pathv[s->img_number];
  #endif
          } else {
          if (av_get_frame_filename(filename_bytes, sizeof(filename_bytes),
                                    s->path,
                                    s->img_number) < 0 && s->img_number > 1)
              return AVERROR(EIO);
          }
          for (i = 0; i < 3; i++) {
              if (avio_open2(&f[i], filename, AVIO_FLAG_READ,
                             &s1->interrupt_callback, NULL) < 0) {
                  if (i >= 1)
                      break;
                  av_log(s1, AV_LOG_ERROR, "Could not open file : %s\n",
                         filename);
                  return AVERROR(EIO);
              }
              size[i] = avio_size(f[i]);
  
              if (!s->split_planes)
                  break;
              filename[strlen(filename) - 1] = 'U' + i;
          }
  
          if (codec->codec_id == AV_CODEC_ID_NONE) {
              AVProbeData pd;
              AVInputFormat *ifmt;
              uint8_t header[PROBE_BUF_MIN + AVPROBE_PADDING_SIZE];
              int ret;
              int score = 0;
  
              ret = avio_read(f[0], header, PROBE_BUF_MIN);
              if (ret < 0)
                  return ret;
              memset(header + ret, 0, sizeof(header) - ret);
              avio_skip(f[0], -ret);
              pd.buf = header;
              pd.buf_size = ret;
              pd.filename = filename;
  
              ifmt = av_probe_input_format3(&pd, 1, &score);
              if (ifmt && ifmt->read_packet == ff_img_read_packet && ifmt->raw_codec_id)
                  codec->codec_id = ifmt->raw_codec_id;
          }
  
          if (codec->codec_id == AV_CODEC_ID_RAWVIDEO && !codec->width)
              infer_size(&codec->width, &codec->height, size[0]);
      } else {
          f[0] = s1->pb;
          if (url_feof(f[0]))
              return AVERROR(EIO);
          if (s->frame_size > 0) {
              size[0] = s->frame_size;
          } else if (!s1->streams[0]->parser) {
              size[0] = avio_size(s1->pb);
          } else {
              size[0] = 4096;
          }
      }
  
      if (av_new_packet(pkt, size[0] + size[1] + size[2]) < 0)
          return AVERROR(ENOMEM);
      pkt->stream_index = 0;
      pkt->flags       |= AV_PKT_FLAG_KEY;
      if (s->ts_from_file) {
          struct stat img_stat;
          if (stat(filename, &img_stat))
              return AVERROR(EIO);
          pkt->pts = (int64_t)img_stat.st_mtime;
  #if HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
          if (s->ts_from_file == 2)
              pkt->pts = 1000000000*pkt->pts + img_stat.st_mtim.tv_nsec;
  #endif
          av_add_index_entry(s1->streams[0], s->img_number, pkt->pts, 0, 0, AVINDEX_KEYFRAME);
      } else if (!s->is_pipe) {
          pkt->pts      = s->pts;
      }
  
      pkt->size = 0;
      for (i = 0; i < 3; i++) {
          if (f[i]) {
              ret[i] = avio_read(f[i], pkt->data + pkt->size, size[i]);
              if (!s->is_pipe)
                  avio_close(f[i]);
              if (ret[i] > 0)
                  pkt->size += ret[i];
          }
      }
  
      if (ret[0] <= 0 || ret[1] < 0 || ret[2] < 0) {
          av_free_packet(pkt);
          return AVERROR(EIO); /* signal EOF */
      } else {
          s->img_count++;
          s->img_number++;
          s->pts++;
          return 0;
      }
  }
  
  static int img_read_close(struct AVFormatContext* s1)
  {
      VideoDemuxData *s = s1->priv_data;
  #if HAVE_GLOB
      if (s->use_glob) {
          globfree(&s->globstate);
      }
  #endif
      return 0;
  }
  
  static int img_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
  {
      VideoDemuxData *s1 = s->priv_data;
      AVStream *st = s->streams[0];
  
      if (s1->ts_from_file) {
          int index = av_index_search_timestamp(st, timestamp, flags);
          if(index < 0)
              return -1;
          s1->img_number = st->index_entries[index].pos;
          return 0;
      }
  
      if (timestamp < 0 || !s1->loop && timestamp > s1->img_last - s1->img_first)
          return -1;
      s1->img_number = timestamp%(s1->img_last - s1->img_first + 1) + s1->img_first;
      s1->pts = timestamp;
      return 0;
  }
  
  #define OFFSET(x) offsetof(VideoDemuxData, x)
  #define DEC AV_OPT_FLAG_DECODING_PARAM
  static const AVOption options[] = {
      { "framerate",    "set the video framerate",             OFFSET(framerate),    AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, 0,   DEC },
      { "loop",         "force loop over input file sequence", OFFSET(loop),         AV_OPT_TYPE_INT,    {.i64 = 0   }, 0, 1,       DEC },
  
      { "pattern_type", "set pattern type",                    OFFSET(pattern_type), AV_OPT_TYPE_INT,    {.i64=PT_GLOB_SEQUENCE}, 0,       INT_MAX, DEC, "pattern_type"},
      { "glob_sequence","select glob/sequence pattern type",   0, AV_OPT_TYPE_CONST,  {.i64=PT_GLOB_SEQUENCE}, INT_MIN, INT_MAX, DEC, "pattern_type" },
      { "glob",         "select glob pattern type",            0, AV_OPT_TYPE_CONST,  {.i64=PT_GLOB         }, INT_MIN, INT_MAX, DEC, "pattern_type" },
      { "sequence",     "select sequence pattern type",        0, AV_OPT_TYPE_CONST,  {.i64=PT_SEQUENCE     }, INT_MIN, INT_MAX, DEC, "pattern_type" },
  
      { "pixel_format", "set video pixel format",              OFFSET(pixel_format), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0,       DEC },
      { "start_number", "set first number in the sequence",    OFFSET(start_number), AV_OPT_TYPE_INT,    {.i64 = 0   }, 0, INT_MAX, DEC },
      { "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 },
      { "video_size",   "set video size",                      OFFSET(width),        AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL}, 0, 0,   DEC },
      { "frame_size",   "force frame size in bytes",           OFFSET(frame_size),   AV_OPT_TYPE_INT,    {.i64 = 0   }, 0, INT_MAX, DEC },
      { "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" },
      { "none", "none",                   0, AV_OPT_TYPE_CONST,    {.i64 = 0   }, 0, 2,       DEC, "ts_type" },
      { "sec",  "second precision",       0, AV_OPT_TYPE_CONST,    {.i64 = 1   }, 0, 2,       DEC, "ts_type" },
      { "ns",   "nano second precision",  0, AV_OPT_TYPE_CONST,    {.i64 = 2   }, 0, 2,       DEC, "ts_type" },
      { NULL },
  };
  
  #if CONFIG_IMAGE2_DEMUXER
  static const AVClass img2_class = {
      .class_name = "image2 demuxer",
      .item_name  = av_default_item_name,
      .option     = options,
      .version    = LIBAVUTIL_VERSION_INT,
  };
  AVInputFormat ff_image2_demuxer = {
      .name           = "image2",
      .long_name      = NULL_IF_CONFIG_SMALL("image2 sequence"),
      .priv_data_size = sizeof(VideoDemuxData),
      .read_probe     = img_read_probe,
      .read_header    = ff_img_read_header,
      .read_packet    = ff_img_read_packet,
      .read_close     = img_read_close,
      .read_seek      = img_read_seek,
      .flags          = AVFMT_NOFILE,
      .priv_class     = &img2_class,
  };
  #endif
  #if CONFIG_IMAGE2PIPE_DEMUXER
  static const AVClass img2pipe_class = {
      .class_name = "image2pipe demuxer",
      .item_name  = av_default_item_name,
      .option     = options,
      .version    = LIBAVUTIL_VERSION_INT,
  };
  AVInputFormat ff_image2pipe_demuxer = {
      .name           = "image2pipe",
      .long_name      = NULL_IF_CONFIG_SMALL("piped image2 sequence"),
      .priv_data_size = sizeof(VideoDemuxData),
      .read_header    = ff_img_read_header,
      .read_packet    = ff_img_read_packet,
      .priv_class     = &img2pipe_class,
  };
  #endif
  
  static int bmp_probe(AVProbeData *p)
  {
      const uint8_t *b = p->buf;
      int ihsize;
  
      if (AV_RB16(b) != 0x424d)
          return 0;
  
      ihsize = AV_RL32(b+14);
      if (ihsize < 12 || ihsize > 255)
          return 0;
  
      if (!AV_RN32(b + 6)) {
          return AVPROBE_SCORE_EXTENSION + 1;
      } else {
          return AVPROBE_SCORE_EXTENSION / 4;
      }
      return 0;
  }
  
  static int dpx_probe(AVProbeData *p)
  {
      const uint8_t *b = p->buf;
  
      if (AV_RN32(b) == AV_RN32("SDPX") || AV_RN32(b) == AV_RN32("XPDS"))
          return AVPROBE_SCORE_EXTENSION + 1;
      return 0;
  }
  
  static int exr_probe(AVProbeData *p)
  {
      const uint8_t *b = p->buf;
  
      if (AV_RL32(b) == 20000630)
          return AVPROBE_SCORE_EXTENSION + 1;
      return 0;
  }
  
  static int j2k_probe(AVProbeData *p)
  {
      const uint8_t *b = p->buf;
  
      if (AV_RB64(b) == 0x0000000c6a502020 ||
          AV_RB32(b) == 0xff4fff51)
          return AVPROBE_SCORE_EXTENSION + 1;
      return 0;
  }
  
  static int pictor_probe(AVProbeData *p)
  {
      const uint8_t *b = p->buf;
  
      if (AV_RL16(b) == 0x1234)
          return AVPROBE_SCORE_EXTENSION / 4;
      return 0;
  }
  
  static int png_probe(AVProbeData *p)
  {
      const uint8_t *b = p->buf;
  
      if (AV_RB64(b) == 0x89504e470d0a1a0a)
          return AVPROBE_SCORE_MAX - 1;
      return 0;
  }
  
  static int sgi_probe(AVProbeData *p)
  {
      const uint8_t *b = p->buf;
  
      if (AV_RB16(b) == 474 &&
          (b[2] & ~1) == 0 &&
          (b[3] & ~3) == 0 && b[3] &&
          (AV_RB16(b + 4) & ~7) == 0 && AV_RB16(b + 4))
          return AVPROBE_SCORE_EXTENSION + 1;
      return 0;
  }
  
  static int sunrast_probe(AVProbeData *p)
  {
      const uint8_t *b = p->buf;
  
      if (AV_RB32(b) == 0x59a66a95)
          return AVPROBE_SCORE_EXTENSION + 1;
      return 0;
  }
  
  static int tiff_probe(AVProbeData *p)
  {
      const uint8_t *b = p->buf;
  
      if (AV_RB32(b) == 0x49492a00)
          return AVPROBE_SCORE_EXTENSION + 1;
      return 0;
  }
  
  #define IMAGEAUTO_DEMUXER(imgname, codecid)\
  static const AVClass imgname ## _class = {\
      .class_name = AV_STRINGIFY(imgname) " demuxer",\
      .item_name  = av_default_item_name,\
      .option     = options,\
      .version    = LIBAVUTIL_VERSION_INT,\
  };\
  AVInputFormat ff_image_ ## imgname ## _pipe_demuxer = {\
      .name           = AV_STRINGIFY(imgname) "_pipe",\
      .priv_data_size = sizeof(VideoDemuxData),\
      .read_probe     = imgname ## _probe,\
      .read_header    = ff_img_read_header,\
      .read_packet    = ff_img_read_packet,\
      .priv_class     = & imgname ## _class,\
      .raw_codec_id   = codecid,\
  };
  
  IMAGEAUTO_DEMUXER(bmp,     AV_CODEC_ID_BMP)
  IMAGEAUTO_DEMUXER(dpx,     AV_CODEC_ID_DPX)
  IMAGEAUTO_DEMUXER(exr,     AV_CODEC_ID_EXR)
  IMAGEAUTO_DEMUXER(j2k,     AV_CODEC_ID_JPEG2000)
  IMAGEAUTO_DEMUXER(pictor,  AV_CODEC_ID_PICTOR)
  IMAGEAUTO_DEMUXER(png,     AV_CODEC_ID_PNG)
  IMAGEAUTO_DEMUXER(sgi,     AV_CODEC_ID_SGI)
  IMAGEAUTO_DEMUXER(sunrast, AV_CODEC_ID_SUNRAST)
  IMAGEAUTO_DEMUXER(tiff,    AV_CODEC_ID_TIFF)
  