diff options
Diffstat (limited to 'wiretap/mp2t.c')
-rw-r--r-- | wiretap/mp2t.c | 55 |
1 files changed, 29 insertions, 26 deletions
diff --git a/wiretap/mp2t.c b/wiretap/mp2t.c index 844fb40a13..347af15171 100644 --- a/wiretap/mp2t.c +++ b/wiretap/mp2t.c @@ -32,6 +32,7 @@ #include "mp2t.h" +#include "wftap-int.h" #include "wtap-int.h" #include "buffer.h" #include "file_wrappers.h" @@ -103,22 +104,23 @@ mp2t_read_packet(mp2t_filetype_t *mp2t, FILE_T fh, gint64 offset, } static gboolean -mp2t_read(wtap *wth, int *err, gchar **err_info, gint64 *data_offset) +mp2t_read(wftap *wfth, int *err, gchar **err_info, gint64 *data_offset) { + wtap* wth = (wtap*)wfth->tap_specific_data; mp2t_filetype_t *mp2t; - mp2t = (mp2t_filetype_t*) wth->priv; + mp2t = (mp2t_filetype_t*) wfth->priv; - *data_offset = file_tell(wth->fh); + *data_offset = file_tell(wfth->fh); - if (!mp2t_read_packet(mp2t, wth->fh, *data_offset, &wth->phdr, - wth->frame_buffer, err, err_info)) { + if (!mp2t_read_packet(mp2t, wfth->fh, *data_offset, &wth->phdr, + wfth->frame_buffer, err, err_info)) { return FALSE; } /* if there's a trailer, skip it and go to the start of the next packet */ if (mp2t->trailer_len!=0) { - if (-1 == file_seek(wth->fh, mp2t->trailer_len, SEEK_CUR, err)) { + if (-1 == file_seek(wfth->fh, mp2t->trailer_len, SEEK_CUR, err)) { return FALSE; } } @@ -127,18 +129,19 @@ mp2t_read(wtap *wth, int *err, gchar **err_info, gint64 *data_offset) } static gboolean -mp2t_seek_read(wtap *wth, gint64 seek_off, struct wtap_pkthdr *phdr, +mp2t_seek_read(wftap *wfth, gint64 seek_off, void* header, Buffer *buf, int *err, gchar **err_info) { mp2t_filetype_t *mp2t; + struct wtap_pkthdr *phdr = (struct wtap_pkthdr *)header; - if (-1 == file_seek(wth->random_fh, seek_off, SEEK_SET, err)) { + if (-1 == file_seek(wfth->random_fh, seek_off, SEEK_SET, err)) { return FALSE; } - mp2t = (mp2t_filetype_t*) wth->priv; + mp2t = (mp2t_filetype_t*) wfth->priv; - if (!mp2t_read_packet(mp2t, wth->random_fh, seek_off, phdr, buf, + if (!mp2t_read_packet(mp2t, wfth->random_fh, seek_off, phdr, buf, err, err_info)) { if (*err == 0) *err = WTAP_ERR_SHORT_READ; @@ -148,7 +151,7 @@ mp2t_seek_read(wtap *wth, gint64 seek_off, struct wtap_pkthdr *phdr, } int -mp2t_open(wtap *wth, int *err, gchar **err_info) +mp2t_open(wftap *wfth, int *err, gchar **err_info) { int bytes_read; guint8 buffer[MP2T_SIZE+TRAILER_LEN_MAX]; @@ -160,10 +163,10 @@ mp2t_open(wtap *wth, int *err, gchar **err_info) errno = WTAP_ERR_CANT_READ; - bytes_read = file_read(buffer, MP2T_SIZE, wth->fh); + bytes_read = file_read(buffer, MP2T_SIZE, wfth->fh); if (MP2T_SIZE != bytes_read) { - *err = file_error(wth->fh, err_info); + *err = file_error(wfth->fh, err_info); if (*err != 0 && *err != WTAP_ERR_SHORT_READ) return -1; return 0; @@ -180,18 +183,18 @@ mp2t_open(wtap *wth, int *err, gchar **err_info) return 0; /* wrong file type - not an mpeg2 ts file */ } - if (-1 == file_seek(wth->fh, first, SEEK_SET, err)) { + if (-1 == file_seek(wfth->fh, first, SEEK_SET, err)) { return -1; } /* read some packets and make sure they all start with a sync byte */ do { - bytes_read = file_read(buffer, MP2T_SIZE+trailer_len, wth->fh); + bytes_read = file_read(buffer, MP2T_SIZE+trailer_len, wfth->fh); if (bytes_read < 0) { - *err = file_error(wth->fh, err_info); + *err = file_error(wfth->fh, err_info); return -1; /* read error */ } if (bytes_read < MP2T_SIZE+trailer_len) { - if(sync_steps<2) return 0; /* wrong file type - not an mpeg2 ts file */ + if(sync_steps<2) return 0; /* wrong file type - not an mpeg2 ts file */ break; /* end of file, that's ok if we're still in sync */ } if (buffer[0] == MP2T_SYNC_BYTE) { @@ -210,7 +213,7 @@ mp2t_open(wtap *wth, int *err, gchar **err_info) for (i=0; i<TRAILER_LEN_MAX; i++) { if (buffer[i] == MP2T_SYNC_BYTE) { trailer_len = i; - if (-1 == file_seek(wth->fh, first, SEEK_SET, err)) { + if (-1 == file_seek(wfth->fh, first, SEEK_SET, err)) { return -1; } sync_steps = 0; @@ -223,23 +226,23 @@ mp2t_open(wtap *wth, int *err, gchar **err_info) } } while (sync_steps < SYNC_STEPS); - if (-1 == file_seek(wth->fh, first, SEEK_SET, err)) { + if (-1 == file_seek(wfth->fh, first, SEEK_SET, err)) { return -1; } - wth->file_type_subtype = WTAP_FILE_TYPE_SUBTYPE_MPEG_2_TS; - wth->file_encap = WTAP_ENCAP_MPEG_2_TS; - wth->tsprecision = WTAP_FILE_TSPREC_NSEC; - wth->subtype_read = mp2t_read; - wth->subtype_seek_read = mp2t_seek_read; - wth->snapshot_length = 0; + wfth->file_type_subtype = WTAP_FILE_TYPE_SUBTYPE_MPEG_2_TS; + wfth->file_encap = WTAP_ENCAP_MPEG_2_TS; + wfth->tsprecision = WTAP_FILE_TSPREC_NSEC; + wfth->subtype_read = mp2t_read; + wfth->subtype_seek_read = mp2t_seek_read; + wfth->snapshot_length = 0; mp2t = (mp2t_filetype_t*) g_malloc(sizeof(mp2t_filetype_t)); if (NULL == mp2t) { return -1; } - wth->priv = mp2t; + wfth->priv = mp2t; mp2t->start_offset = first; mp2t->trailer_len = trailer_len; |