diff options
Diffstat (limited to 'trunk/formats/format_h264.c')
| -rw-r--r-- | trunk/formats/format_h264.c | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/trunk/formats/format_h264.c b/trunk/formats/format_h264.c deleted file mode 100644 index 06def313c..000000000 --- a/trunk/formats/format_h264.c +++ /dev/null @@ -1,175 +0,0 @@ -/* - * Asterisk -- An open source telephony toolkit. - * - * Copyright (C) 1999 - 2005, Digium, Inc. - * - * Mark Spencer <markster@digium.com> - * - * See http://www.asterisk.org for more information about - * the Asterisk project. Please do not directly contact - * any of the maintainers of this project for assistance; - * the project provides a web site, mailing lists and IRC - * channels for your use. - * - * This program is free software, distributed under the terms of - * the GNU General Public License Version 2. See the LICENSE file - * at the top of the source tree. - */ - -/*! \file - * - * \brief Save to raw, headerless h264 data. - * \arg File name extension: h264 - * \ingroup formats - * \arg See \ref AstVideo - */ - -#include "asterisk.h" - -ASTERISK_FILE_VERSION(__FILE__, "$Revision$") - -#include "asterisk/mod_format.h" -#include "asterisk/module.h" -#include "asterisk/endian.h" - -/* Some Ideas for this code came from makeh264e.c by Jeffrey Chilton */ - -/* Portions of the conversion code are by guido@sienanet.it */ -/*! \todo Check this buf size estimate, it may be totally wrong for large frame video */ - -#define BUF_SIZE 4096 /* Two Real h264 Frames */ -struct h264_desc { - unsigned int lastts; -}; - -static int h264_open(struct ast_filestream *s) -{ - unsigned int ts; - int res; - if ((res = fread(&ts, 1, sizeof(ts), s->f)) < sizeof(ts)) { - ast_log(LOG_WARNING, "Empty file!\n"); - return -1; - } - return 0; -} - -static struct ast_frame *h264_read(struct ast_filestream *s, int *whennext) -{ - int res; - int mark=0; - unsigned short len; - unsigned int ts; - struct h264_desc *fs = (struct h264_desc *)s->_private; - - /* Send a frame from the file to the appropriate channel */ - if ((res = fread(&len, 1, sizeof(len), s->f)) < 1) - return NULL; - len = ntohs(len); - mark = (len & 0x8000) ? 1 : 0; - len &= 0x7fff; - if (len > BUF_SIZE) { - ast_log(LOG_WARNING, "Length %d is too long\n", len); - len = BUF_SIZE; /* XXX truncate */ - } - s->fr.frametype = AST_FRAME_VIDEO; - s->fr.subclass = AST_FORMAT_H264; - s->fr.mallocd = 0; - AST_FRAME_SET_BUFFER(&s->fr, s->buf, AST_FRIENDLY_OFFSET, len); - if ((res = fread(s->fr.data, 1, s->fr.datalen, s->f)) != s->fr.datalen) { - if (res) - ast_log(LOG_WARNING, "Short read (%d of %d) (%s)!\n", res, len, strerror(errno)); - return NULL; - } - s->fr.samples = fs->lastts; - s->fr.datalen = len; - s->fr.subclass |= mark; - s->fr.delivery.tv_sec = 0; - s->fr.delivery.tv_usec = 0; - if ((res = fread(&ts, 1, sizeof(ts), s->f)) == sizeof(ts)) { - fs->lastts = ntohl(ts); - *whennext = fs->lastts * 4/45; - } else - *whennext = 0; - return &s->fr; -} - -static int h264_write(struct ast_filestream *s, struct ast_frame *f) -{ - int res; - unsigned int ts; - unsigned short len; - int mark; - - if (f->frametype != AST_FRAME_VIDEO) { - ast_log(LOG_WARNING, "Asked to write non-video frame!\n"); - return -1; - } - mark = (f->subclass & 0x1) ? 0x8000 : 0; - if ((f->subclass & ~0x1) != AST_FORMAT_H264) { - ast_log(LOG_WARNING, "Asked to write non-h264 frame (%d)!\n", f->subclass); - return -1; - } - ts = htonl(f->samples); - if ((res = fwrite(&ts, 1, sizeof(ts), s->f)) != sizeof(ts)) { - ast_log(LOG_WARNING, "Bad write (%d/4): %s\n", res, strerror(errno)); - return -1; - } - len = htons(f->datalen | mark); - if ((res = fwrite(&len, 1, sizeof(len), s->f)) != sizeof(len)) { - ast_log(LOG_WARNING, "Bad write (%d/2): %s\n", res, strerror(errno)); - return -1; - } - if ((res = fwrite(f->data, 1, f->datalen, s->f)) != f->datalen) { - ast_log(LOG_WARNING, "Bad write (%d/%d): %s\n", res, f->datalen, strerror(errno)); - return -1; - } - return 0; -} - -static int h264_seek(struct ast_filestream *fs, off_t sample_offset, int whence) -{ - /* No way Jose */ - return -1; -} - -static int h264_trunc(struct ast_filestream *fs) -{ - /* Truncate file to current length */ - if (ftruncate(fileno(fs->f), ftell(fs->f)) < 0) - return -1; - return 0; -} - -static off_t h264_tell(struct ast_filestream *fs) -{ - off_t offset = ftell(fs->f); - return offset; /* XXX totally bogus, needs fixing */ -} - -static const struct ast_format h264_f = { - .name = "h264", - .exts = "h264", - .format = AST_FORMAT_H264, - .open = h264_open, - .write = h264_write, - .seek = h264_seek, - .trunc = h264_trunc, - .tell = h264_tell, - .read = h264_read, - .buf_size = BUF_SIZE + AST_FRIENDLY_OFFSET, - .desc_size = sizeof(struct h264_desc), -}; - -static int load_module(void) -{ - if (ast_format_register(&h264_f)) - return AST_MODULE_LOAD_FAILURE; - return AST_MODULE_LOAD_SUCCESS; -} - -static int unload_module(void) -{ - return ast_format_unregister(h264_f.name); -} - -AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Raw H.264 data"); |