From 1496394c0f4be1a718fb189846c6350cbd9e43da Mon Sep 17 00:00:00 2001 From: Wim Taymans Date: Thu, 24 Oct 2002 22:37:51 +0000 Subject: First stab at porting mplex Original commit message from CVS: First stab at porting mplex --- ext/mplex/yuv4mpeg.cc | 880 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 880 insertions(+) create mode 100644 ext/mplex/yuv4mpeg.cc (limited to 'ext/mplex/yuv4mpeg.cc') diff --git a/ext/mplex/yuv4mpeg.cc b/ext/mplex/yuv4mpeg.cc new file mode 100644 index 00000000..a9e1aebf --- /dev/null +++ b/ext/mplex/yuv4mpeg.cc @@ -0,0 +1,880 @@ +/* + * yuv4mpeg.c: Functions for reading and writing "new" YUV4MPEG streams + * + * Copyright (C) 2001 Matthew J. Marjanovic + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#include + +#include +#include +#include +#include +#include "yuv4mpeg.h" +#include "yuv4mpeg_intern.h" +#include "mjpeg_logging.h" + + +static int _y4mparam_allow_unknown_tags = 1; /* default is forgiveness */ + +static void *(*_y4m_alloc) (size_t bytes) = malloc; +static void (*_y4m_free) (void *ptr) = free; + + + +int +y4m_allow_unknown_tags (int yn) +{ + int old = _y4mparam_allow_unknown_tags; + + if (yn >= 0) + _y4mparam_allow_unknown_tags = (yn) ? 1 : 0; + return old; +} + + + +/************************************************************************* + * + * Convenience functions for fd read/write + * + * - guaranteed to transfer entire payload (or fail) + * - returns: + * 0 on complete success + * +(# of remaining bytes) on eof (for y4m_read) + * -(# of rem. bytes) on error (and ERRNO should be set) + * + *************************************************************************/ + + +ssize_t +y4m_read (int fd, void *buf, size_t len) +{ + ssize_t n; + uint8_t *ptr = (uint8_t *) buf; + + while (len > 0) { + n = read (fd, ptr, len); + if (n <= 0) { + /* return amount left to read */ + if (n == 0) + return len; /* n == 0 --> eof */ + else + return -len; /* n < 0 --> error */ + } + ptr += n; + len -= n; + } + return 0; +} + + +ssize_t +y4m_write (int fd, const void *buf, size_t len) +{ + ssize_t n; + const uint8_t *ptr = (const uint8_t *) buf; + + while (len > 0) { + n = write (fd, ptr, len); + if (n <= 0) + return -len; /* return amount left to write */ + ptr += n; + len -= n; + } + return 0; +} + + + +/************************************************************************* + * + * "Extra tags" handling + * + *************************************************************************/ + + +static char * +y4m_new_xtag (void) +{ + return (char *) _y4m_alloc (Y4M_MAX_XTAG_SIZE * sizeof (char)); +} + + +void +y4m_init_xtag_list (y4m_xtag_list_t * xtags) +{ + int i; + + xtags->count = 0; + for (i = 0; i < Y4M_MAX_XTAGS; i++) { + xtags->tags[i] = NULL; + } +} + + +void +y4m_fini_xtag_list (y4m_xtag_list_t * xtags) +{ + int i; + + for (i = 0; i < Y4M_MAX_XTAGS; i++) { + if (xtags->tags[i] != NULL) { + _y4m_free (xtags->tags[i]); + xtags->tags[i] = NULL; + } + } + xtags->count = 0; +} + + +void +y4m_copy_xtag_list (y4m_xtag_list_t * dest, const y4m_xtag_list_t * src) +{ + int i; + + for (i = 0; i < src->count; i++) { + if (dest->tags[i] == NULL) + dest->tags[i] = y4m_new_xtag (); + strncpy (dest->tags[i], src->tags[i], Y4M_MAX_XTAG_SIZE); + } + dest->count = src->count; +} + + + +static int +y4m_snprint_xtags (char *s, int maxn, const y4m_xtag_list_t * xtags) +{ + int i, room; + + for (i = 0, room = maxn - 1; i < xtags->count; i++) { + int n = snprintf (s, room + 1, " %s", xtags->tags[i]); + + if ((n < 0) || (n > room)) + return Y4M_ERR_HEADER; + s += n; + room -= n; + } + s[0] = '\n'; /* finish off header with newline */ + s[1] = '\0'; /* ...and end-of-string */ + return Y4M_OK; +} + + +int +y4m_xtag_count (const y4m_xtag_list_t * xtags) +{ + return xtags->count; +} + + +const char * +y4m_xtag_get (const y4m_xtag_list_t * xtags, int n) +{ + if (n >= xtags->count) + return NULL; + else + return xtags->tags[n]; +} + + +int +y4m_xtag_add (y4m_xtag_list_t * xtags, const char *tag) +{ + if (xtags->count >= Y4M_MAX_XTAGS) + return Y4M_ERR_XXTAGS; + if (xtags->tags[xtags->count] == NULL) + xtags->tags[xtags->count] = y4m_new_xtag (); + strncpy (xtags->tags[xtags->count], tag, Y4M_MAX_XTAG_SIZE); + (xtags->count)++; + return Y4M_OK; +} + + +int +y4m_xtag_remove (y4m_xtag_list_t * xtags, int n) +{ + int i; + char *q; + + if ((n < 0) || (n >= xtags->count)) + return Y4M_ERR_RANGE; + q = xtags->tags[n]; + for (i = n; i < (xtags->count - 1); i++) + xtags->tags[i] = xtags->tags[i + 1]; + xtags->tags[i] = q; + (xtags->count)--; + return Y4M_OK; +} + + +int +y4m_xtag_clearlist (y4m_xtag_list_t * xtags) +{ + xtags->count = 0; + return Y4M_OK; +} + + +int +y4m_xtag_addlist (y4m_xtag_list_t * dest, const y4m_xtag_list_t * src) +{ + int i, j; + + if ((dest->count + src->count) > Y4M_MAX_XTAGS) + return Y4M_ERR_XXTAGS; + for (i = dest->count, j = 0; j < src->count; i++, j++) { + if (dest->tags[i] == NULL) + dest->tags[i] = y4m_new_xtag (); + strncpy (dest->tags[i], src->tags[i], Y4M_MAX_XTAG_SIZE); + } + dest->count += src->count; + return Y4M_OK; +} + + +/************************************************************************* + * + * Creators/destructors for y4m_*_info_t structures + * + *************************************************************************/ + + +void +y4m_init_stream_info (y4m_stream_info_t * info) +{ + if (info == NULL) + return; + /* initialize info */ + info->width = Y4M_UNKNOWN; + info->height = Y4M_UNKNOWN; + info->interlace = Y4M_UNKNOWN; + info->framerate = y4m_fps_UNKNOWN; + info->sampleaspect = y4m_sar_UNKNOWN; + y4m_init_xtag_list (&(info->x_tags)); +} + + +void +y4m_copy_stream_info (y4m_stream_info_t * dest, const y4m_stream_info_t * src) +{ + if ((dest == NULL) || (src == NULL)) + return; + /* copy info */ + dest->width = src->width; + dest->height = src->height; + dest->interlace = src->interlace; + dest->framerate = src->framerate; + dest->sampleaspect = src->sampleaspect; + dest->framelength = src->framelength; + y4m_copy_xtag_list (&(dest->x_tags), &(src->x_tags)); +} + + +void +y4m_fini_stream_info (y4m_stream_info_t * info) +{ + if (info == NULL) + return; + y4m_fini_xtag_list (&(info->x_tags)); +} + + +void +y4m_si_set_width (y4m_stream_info_t * si, int width) +{ + si->width = width; + si->framelength = (si->height * si->width) * 3 / 2; +} + +int +y4m_si_get_width (const y4m_stream_info_t * si) +{ + return si->width; +} + +void +y4m_si_set_height (y4m_stream_info_t * si, int height) +{ + si->height = height; + si->framelength = (si->height * si->width) * 3 / 2; +} + +int +y4m_si_get_height (const y4m_stream_info_t * si) +{ + return si->height; +} + +void +y4m_si_set_interlace (y4m_stream_info_t * si, int interlace) +{ + si->interlace = interlace; +} + +int +y4m_si_get_interlace (const y4m_stream_info_t * si) +{ + return si->interlace; +} + +void +y4m_si_set_framerate (y4m_stream_info_t * si, y4m_ratio_t framerate) +{ + si->framerate = framerate; +} + +y4m_ratio_t +y4m_si_get_framerate (const y4m_stream_info_t * si) +{ + return si->framerate; +} + +void +y4m_si_set_sampleaspect (y4m_stream_info_t * si, y4m_ratio_t sar) +{ + si->sampleaspect = sar; +} + +y4m_ratio_t +y4m_si_get_sampleaspect (const y4m_stream_info_t * si) +{ + return si->sampleaspect; +} + +int +y4m_si_get_framelength (const y4m_stream_info_t * si) +{ + return si->framelength; +} + +y4m_xtag_list_t * +y4m_si_xtags (y4m_stream_info_t * si) +{ + return &(si->x_tags); +} + + + +void +y4m_init_frame_info (y4m_frame_info_t * info) +{ + if (info == NULL) + return; + /* initialize info */ + y4m_init_xtag_list (&(info->x_tags)); +} + + +void +y4m_copy_frame_info (y4m_frame_info_t * dest, const y4m_frame_info_t * src) +{ + if ((dest == NULL) || (src == NULL)) + return; + /* copy info */ + y4m_copy_xtag_list (&(dest->x_tags), &(src->x_tags)); +} + + +void +y4m_fini_frame_info (y4m_frame_info_t * info) +{ + if (info == NULL) + return; + y4m_fini_xtag_list (&(info->x_tags)); +} + + + +/************************************************************************* + * + * Tag parsing + * + *************************************************************************/ + +int +y4m_parse_stream_tags (char *s, y4m_stream_info_t * i) +{ + char *token, *value; + char tag; + int err; + + /* parse fields */ + for (token = strtok (s, Y4M_DELIM); token != NULL; token = strtok (NULL, Y4M_DELIM)) { + if (token[0] == '\0') + continue; /* skip empty strings */ + tag = token[0]; + value = token + 1; + switch (tag) { + case 'W': /* width */ + i->width = atoi (value); + if (i->width <= 0) + return Y4M_ERR_RANGE; + break; + case 'H': /* height */ + i->height = atoi (value); + if (i->height <= 0) + return Y4M_ERR_RANGE; + break; + case 'F': /* frame rate (fps) */ + if ((err = y4m_parse_ratio (&(i->framerate), value)) != Y4M_OK) + return err; + if (i->framerate.n < 0) + return Y4M_ERR_RANGE; + break; + case 'I': /* interlacing */ + switch (value[0]) { + case 'p': + i->interlace = Y4M_ILACE_NONE; + break; + case 't': + i->interlace = Y4M_ILACE_TOP_FIRST; + break; + case 'b': + i->interlace = Y4M_ILACE_BOTTOM_FIRST; + break; + case '?': + default: + i->interlace = Y4M_UNKNOWN; + break; + } + break; + case 'A': /* sample (pixel) aspect ratio */ + if ((err = y4m_parse_ratio (&(i->sampleaspect), value)) != Y4M_OK) + return err; + if (i->sampleaspect.n < 0) + return Y4M_ERR_RANGE; + break; + case 'X': /* 'X' meta-tag */ + if ((err = y4m_xtag_add (&(i->x_tags), token)) != Y4M_OK) + return err; + break; + default: + /* possible error on unknown options */ + if (_y4mparam_allow_unknown_tags) { + /* unknown tags ok: store in xtag list and warn... */ + if ((err = y4m_xtag_add (&(i->x_tags), token)) != Y4M_OK) + return err; + mjpeg_warn ("Unknown stream tag encountered: '%s'", token); + } else { + /* unknown tags are *not* ok */ + return Y4M_ERR_BADTAG; + } + break; + } + } + /* Error checking... width and height must be known since we can't + * parse without them + */ + if (i->width == Y4M_UNKNOWN || i->height == Y4M_UNKNOWN) + return Y4M_ERR_HEADER; + /* ta da! done. */ + return Y4M_OK; +} + + + +static int +y4m_parse_frame_tags (char *s, y4m_frame_info_t * i) +{ + char *token, *value; + char tag; + int err; + + /* parse fields */ + for (token = strtok (s, Y4M_DELIM); token != NULL; token = strtok (NULL, Y4M_DELIM)) { + if (token[0] == '\0') + continue; /* skip empty strings */ + tag = token[0]; + value = token + 1; + switch (tag) { + case 'X': /* 'X' meta-tag */ + if ((err = y4m_xtag_add (&(i->x_tags), token)) != Y4M_OK) + return err; + break; + default: + /* possible error on unknown options */ + if (_y4mparam_allow_unknown_tags) { + /* unknown tags ok: store in xtag list and warn... */ + if ((err = y4m_xtag_add (&(i->x_tags), token)) != Y4M_OK) + return err; + mjpeg_warn ("Unknown frame tag encountered: '%s'", token); + } else { + /* unknown tags are *not* ok */ + return Y4M_ERR_BADTAG; + } + break; + } + } + /* ta da! done. */ + return Y4M_OK; +} + + + + + +/************************************************************************* + * + * Read/Write stream header + * + *************************************************************************/ + + +int +y4m_read_stream_header (int fd, y4m_stream_info_t * i) +{ + char line[Y4M_LINE_MAX]; + char *p; + int n; + int err; + + /* read the header line */ + for (n = 0, p = line; n < Y4M_LINE_MAX; n++, p++) { + if (read (fd, p, 1) < 1) + return Y4M_ERR_SYSTEM; + if (*p == '\n') { + *p = '\0'; /* Replace linefeed by end of string */ + break; + } + } + if (n >= Y4M_LINE_MAX) + return Y4M_ERR_HEADER; + /* look for keyword in header */ + if (strncmp (line, Y4M_MAGIC, strlen (Y4M_MAGIC))) + return Y4M_ERR_MAGIC; + if ((err = y4m_parse_stream_tags (line + strlen (Y4M_MAGIC), i)) != Y4M_OK) + return err; + + i->framelength = (i->height * i->width) * 3 / 2; + return Y4M_OK; +} + + + +int +y4m_write_stream_header (int fd, const y4m_stream_info_t * i) +{ + char s[Y4M_LINE_MAX + 1]; + int n; + int err; + y4m_ratio_t rate = i->framerate; + y4m_ratio_t aspect = i->sampleaspect; + + y4m_ratio_reduce (&rate); + y4m_ratio_reduce (&aspect); + n = snprintf (s, sizeof (s), "%s W%d H%d F%d:%d I%s A%d:%d", + Y4M_MAGIC, + i->width, + i->height, + rate.n, rate.d, + (i->interlace == Y4M_ILACE_NONE) ? "p" : + (i->interlace == Y4M_ILACE_TOP_FIRST) ? "t" : + (i->interlace == Y4M_ILACE_BOTTOM_FIRST) ? "b" : "?", aspect.n, aspect.d); + if ((n < 0) || (n > Y4M_LINE_MAX)) + return Y4M_ERR_HEADER; + if ((err = y4m_snprint_xtags (s + n, sizeof (s) - n - 1, &(i->x_tags))) + != Y4M_OK) + return err; + /* non-zero on error */ + return (y4m_write (fd, s, strlen (s)) ? Y4M_ERR_SYSTEM : Y4M_OK); +} + + + + + +/************************************************************************* + * + * Read/Write frame header + * + *************************************************************************/ + +int +y4m_read_frame_header (int fd, y4m_frame_info_t * i) +{ + char line[Y4M_LINE_MAX]; + char *p; + int n; + ssize_t remain; + + /* This is more clever than read_stream_header... + Try to read "FRAME\n" all at once, and don't try to parse + if nothing else is there... + */ + remain = y4m_read (fd, line, sizeof (Y4M_FRAME_MAGIC) - 1 + 1); /* -'\0', +'\n' */ + if (remain < 0) + return Y4M_ERR_SYSTEM; + if (remain > 0) { + /* A clean EOF should end exactly at a frame-boundary */ + if (remain == sizeof (Y4M_FRAME_MAGIC)) + return Y4M_ERR_EOF; + else + return Y4M_ERR_BADEOF; + } + if (strncmp (line, Y4M_FRAME_MAGIC, sizeof (Y4M_FRAME_MAGIC) - 1)) + return Y4M_ERR_MAGIC; + if (line[sizeof (Y4M_FRAME_MAGIC) - 1] == '\n') + return Y4M_OK; /* done -- no tags: that was the end-of-line. */ + + if (line[sizeof (Y4M_FRAME_MAGIC) - 1] != Y4M_DELIM[0]) { + return Y4M_ERR_MAGIC; /* wasn't a space -- what was it? */ + } + + /* proceed to get the tags... (overwrite the magic) */ + for (n = 0, p = line; n < Y4M_LINE_MAX; n++, p++) { + if (y4m_read (fd, p, 1)) + return Y4M_ERR_SYSTEM; + if (*p == '\n') { + *p = '\0'; /* Replace linefeed by end of string */ + break; + } + } + if (n >= Y4M_LINE_MAX) + return Y4M_ERR_HEADER; + /* non-zero on error */ + return y4m_parse_frame_tags (line, i); +} + + +int +y4m_write_frame_header (int fd, const y4m_frame_info_t * i) +{ + char s[Y4M_LINE_MAX + 1]; + int n; + int err; + + n = snprintf (s, sizeof (s), "%s", Y4M_FRAME_MAGIC); + if ((n < 0) || (n > Y4M_LINE_MAX)) + return Y4M_ERR_HEADER; + if ((err = y4m_snprint_xtags (s + n, sizeof (s) - n - 1, &(i->x_tags))) + != Y4M_OK) + return err; + /* non-zero on error */ + return (y4m_write (fd, s, strlen (s)) ? Y4M_ERR_SYSTEM : Y4M_OK); +} + + + +/************************************************************************* + * + * Read/Write entire frame + * + *************************************************************************/ + +int +y4m_read_frame (int fd, const y4m_stream_info_t * si, y4m_frame_info_t * fi, uint8_t * const yuv[3]) +{ + int err; + int w = si->width; + int h = si->height; + + /* Read frame header */ + if ((err = y4m_read_frame_header (fd, fi)) != Y4M_OK) + return err; + /* Read luminance scanlines */ + if (y4m_read (fd, yuv[0], w * h)) + return Y4M_ERR_SYSTEM; + /* Read chrominance scanlines */ + if (y4m_read (fd, yuv[1], w * h / 4)) + return Y4M_ERR_SYSTEM; + if (y4m_read (fd, yuv[2], w * h / 4)) + return Y4M_ERR_SYSTEM; + + return Y4M_OK; +} + + + + +int +y4m_write_frame (int fd, const y4m_stream_info_t * si, + const y4m_frame_info_t * fi, uint8_t * const yuv[3]) +{ + int err; + int w = si->width; + int h = si->height; + + /* Write frame header */ + if ((err = y4m_write_frame_header (fd, fi)) != Y4M_OK) + return err; + /* Write luminance,chrominance scanlines */ + if (y4m_write (fd, yuv[0], w * h) || + y4m_write (fd, yuv[1], w * h / 4) || y4m_write (fd, yuv[2], w * h / 4)) + return Y4M_ERR_SYSTEM; + return Y4M_OK; +} + + + +/************************************************************************* + * + * Read/Write entire frame, (de)interleaved (to)from two separate fields + * + *************************************************************************/ + + +int +y4m_read_fields (int fd, const y4m_stream_info_t * si, y4m_frame_info_t * fi, + uint8_t * const upper_field[3], uint8_t * const lower_field[3]) +{ + int i, y, err; + int width = si->width; + int height = si->height; + + /* Read frame header */ + if ((err = y4m_read_frame_header (fd, fi)) != Y4M_OK) + return err; + /* Read Y', Cb, and Cr planes */ + for (i = 0; i < 3; i++) { + uint8_t *srctop = upper_field[i]; + uint8_t *srcbot = lower_field[i]; + + /* alternately write one line from each */ + for (y = 0; y < height; y += 2) { + if (y4m_read (fd, srctop, width)) + return Y4M_ERR_SYSTEM; + srctop += width; + if (y4m_read (fd, srcbot, width)) + return Y4M_ERR_SYSTEM; + srcbot += width; + } + /* for chroma, width/height are half as big */ + if (i == 0) { + width /= 2; + height /= 2; + } + } + return Y4M_OK; +} + + + +int +y4m_write_fields (int fd, const y4m_stream_info_t * si, + const y4m_frame_info_t * fi, + uint8_t * const upper_field[3], uint8_t * const lower_field[3]) +{ + int i, y, err; + int width = si->width; + int height = si->height; + + /* Write frame header */ + if ((err = y4m_write_frame_header (fd, fi)) != Y4M_OK) + return err; + /* Write Y', Cb, and Cr planes */ + for (i = 0; i < 3; i++) { + uint8_t *srctop = upper_field[i]; + uint8_t *srcbot = lower_field[i]; + + /* alternately write one line from each */ + for (y = 0; y < height; y += 2) { + if (y4m_write (fd, srctop, width)) + return Y4M_ERR_SYSTEM; + srctop += width; + if (y4m_write (fd, srcbot, width)) + return Y4M_ERR_SYSTEM; + srcbot += width; + } + /* for chroma, width/height are half as big */ + if (i == 0) { + width /= 2; + height /= 2; + } + } + return Y4M_OK; +} + + + +/************************************************************************* + * + * Handy logging of stream info + * + *************************************************************************/ + +void +y4m_log_stream_info (log_level_t level, const char *prefix, const y4m_stream_info_t * i) +{ + char s[256]; + + snprintf (s, sizeof (s), " frame size: "); + if (i->width == Y4M_UNKNOWN) + snprintf (s + strlen (s), sizeof (s) - strlen (s), "(?)x"); + else + snprintf (s + strlen (s), sizeof (s) - strlen (s), "%dx", i->width); + if (i->height == Y4M_UNKNOWN) + snprintf (s + strlen (s), sizeof (s) - strlen (s), "(?) pixels "); + else + snprintf (s + strlen (s), sizeof (s) - strlen (s), "%d pixels ", i->height); + if (i->framelength == Y4M_UNKNOWN) + snprintf (s + strlen (s), sizeof (s) - strlen (s), "(? bytes)"); + else + snprintf (s + strlen (s), sizeof (s) - strlen (s), "(%d bytes)", i->framelength); + mjpeg_log (level, "%s%s", prefix, s); + if ((i->framerate.n == 0) && (i->framerate.d == 0)) + mjpeg_log (level, "%s frame rate: ??? fps", prefix); + else + mjpeg_log (level, "%s frame rate: %d/%d fps (~%f)", prefix, + i->framerate.n, i->framerate.d, (double) i->framerate.n / (double) i->framerate.d); + mjpeg_log (level, "%s interlace: %s", prefix, + (i->interlace == Y4M_ILACE_NONE) ? "none/progressive" : + (i->interlace == Y4M_ILACE_TOP_FIRST) ? "top-field-first" : + (i->interlace == Y4M_ILACE_BOTTOM_FIRST) ? "bottom-field-first" : "anyone's guess"); + if ((i->sampleaspect.n == 0) && (i->sampleaspect.d == 0)) + mjpeg_log (level, "%ssample aspect ratio: ?:?", prefix); + else + mjpeg_log (level, "%ssample aspect ratio: %d:%d", prefix, + i->sampleaspect.n, i->sampleaspect.d); +} + + +/************************************************************************* + * + * Convert error code to string + * + *************************************************************************/ + +const char * +y4m_strerr (int err) +{ + switch (err) { + case Y4M_OK: + return "no error"; + case Y4M_ERR_RANGE: + return "parameter out of range"; + case Y4M_ERR_SYSTEM: + return "system error (failed read/write)"; + case Y4M_ERR_HEADER: + return "bad stream or frame header"; + case Y4M_ERR_BADTAG: + return "unknown header tag"; + case Y4M_ERR_MAGIC: + return "bad header magic"; + case Y4M_ERR_XXTAGS: + return "too many xtags"; + case Y4M_ERR_EOF: + return "end-of-file"; + case Y4M_ERR_BADEOF: + return "stream ended unexpectedly (EOF)"; + default: + return "unknown error code"; + } +} -- cgit v1.2.1