commit 0a518c2c2e33192c04fc3471a87665973ba2d9f7
parent adb00189f26b0458ccd6b2f203f7d3a47d177b98
Author: Christian Grothoff <christian@grothoff.org>
Date: Mon, 14 Dec 2009 14:26:01 +0000
asf
Diffstat:
4 files changed, 801 insertions(+), 809 deletions(-)
diff --git a/src/plugins/Makefile.am b/src/plugins/Makefile.am
@@ -87,6 +87,7 @@ endif
plugin_LTLIBRARIES = \
libextractor_applefile.la \
+ libextractor_asf.la \
libextractor_html.la \
libextractor_it.la \
libextractor_mime.la
@@ -99,6 +100,11 @@ libextractor_applefile_la_LIBADD = \
$(top_builddir)/src/common/libextractor_common.la \
$(LE_LIBINTL)
+libextractor_asf_la_SOURCES = \
+ asf_extractor.c
+libextractor_asf_la_LDFLAGS = \
+ $(PLUGINFLAGS)
+
libextractor_html_la_SOURCES = \
html_extractor.c
libextractor_html_la_LDFLAGS = \
@@ -121,7 +127,6 @@ libextractor_mime_la_LDFLAGS = \
OLD_LIBS = \
$(pdfplugin) \
- libextractor_asf.la \
libextractor_deb.la \
libextractor_dvi.la \
libextractor_elf.la \
@@ -237,11 +242,6 @@ libextractor_dvi_la_SOURCES = \
libextractor_dvi_la_LDFLAGS = \
$(PLUGINFLAGS)
-libextractor_asf_la_SOURCES = \
- asfextractor.c
-libextractor_asf_la_LDFLAGS = \
- $(PLUGINFLAGS)
-
if HAVE_ZLIB
libextractor_tar_la_SOURCES = \
tarextractor.c
diff --git a/src/plugins/applefile_extractor.c b/src/plugins/applefile_extractor.c
@@ -127,7 +127,7 @@ EXTRACTOR_applefile_extract (const char *sdata,
(memcmp(header.magic, APPLEDOUBLE_SIGNATURE, 4) != 0) )
return 0;
if (0 != proc (proc_cls,
- "html",
+ "applefile",
EXTRACTOR_METATYPE_MIMETYPE,
EXTRACTOR_METAFORMAT_UTF8,
"text/plain",
@@ -168,7 +168,7 @@ EXTRACTOR_applefile_extract (const char *sdata,
snprintf (s, 13, "%.2f %s", (double) dsc.length, _("Bytes"));
if (0 != proc (proc_cls,
- "html",
+ "applefile",
EXTRACTOR_METATYPE_EMBEDDED_FILE_SIZE,
EXTRACTOR_METAFORMAT_UTF8,
"text/plain",
@@ -185,7 +185,7 @@ EXTRACTOR_applefile_extract (const char *sdata,
memcpy(s, data + dsc.offset, dsc.length);
s[dsc.length] = '\0';
if (0 != proc (proc_cls,
- "html",
+ "applefile",
EXTRACTOR_METATYPE_FILENAME,
EXTRACTOR_METAFORMAT_UTF8,
"text/plain",
@@ -202,7 +202,7 @@ EXTRACTOR_applefile_extract (const char *sdata,
memcpy(s, data + dsc.offset, dsc.length);
s[dsc.length] = '\0';
if (0 != proc (proc_cls,
- "html",
+ "applefile",
EXTRACTOR_METATYPE_COMMENT,
EXTRACTOR_METAFORMAT_UTF8,
"text/plain",
@@ -222,7 +222,7 @@ EXTRACTOR_applefile_extract (const char *sdata,
memcpy(s, data + dsc.offset, 4);
s[4] = '\0';
if (0 != proc (proc_cls,
- "html",
+ "applefile",
EXTRACTOR_METATYPE_FINDER_FILE_TYPE,
EXTRACTOR_METAFORMAT_C_STRING,
"text/plain",
@@ -233,7 +233,7 @@ EXTRACTOR_applefile_extract (const char *sdata,
memcpy(s, data + dsc.offset + 4, 4);
s[4] = '\0';
if (0 != proc (proc_cls,
- "html",
+ "applefile",
EXTRACTOR_METATYPE_FINDER_FILE_CREATOR,
EXTRACTOR_METAFORMAT_C_STRING,
"text/plain",
diff --git a/src/plugins/asf_extractor.c b/src/plugins/asf_extractor.c
@@ -0,0 +1,789 @@
+/*
+ This file is part of libextractor.
+ (C) 2002, 2003 Vidyut Samanta and Christian Grothoff
+
+ libextractor 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, or (at your
+ option) any later version.
+
+ libextractor 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 libextractor; see the file COPYING. If not, write to the
+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * This file is based on demux_asf from the xine project (copyright follows).
+ *
+ * Copyright (C) 2000-2002 the xine project
+ *
+ * This file is part of xine, a free video player.
+ *
+ * xine 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.
+ *
+ * xine 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
+ *
+ * $Id: asfextractor.c,v 1.6 2004/10/05 20:02:08 grothoff Exp $
+ *
+ * demultiplexer for asf streams
+ *
+ * based on ffmpeg's
+ * ASF compatible encoder and decoder.
+ * Copyright (c) 2000, 2001 Gerard Lantau.
+ *
+ * GUID list from avifile
+ * some other ideas from MPlayer
+ */
+
+#include "platform.h"
+#include "extractor.h"
+
+#define CODEC_TYPE_AUDIO 0
+#define CODEC_TYPE_VIDEO 1
+#define CODEC_TYPE_CONTROL 2
+#define MAX_NUM_STREAMS 23
+
+#define DEFRAG_BUFSIZE 65536
+#define DEMUX_START 1
+#define DEMUX_FINISHED 0
+
+
+/*
+ * define asf GUIDs (list from avifile)
+ */
+#define GUID_ERROR 0
+
+ /* base ASF objects */
+#define GUID_ASF_HEADER 1
+#define GUID_ASF_DATA 2
+#define GUID_ASF_SIMPLE_INDEX 3
+
+ /* header ASF objects */
+#define GUID_ASF_FILE_PROPERTIES 4
+#define GUID_ASF_STREAM_PROPERTIES 5
+#define GUID_ASF_STREAM_BITRATE_PROPERTIES 6
+#define GUID_ASF_CONTENT_DESCRIPTION 7
+#define GUID_ASF_EXTENDED_CONTENT_ENCRYPTION 8
+#define GUID_ASF_SCRIPT_COMMAND 9
+#define GUID_ASF_MARKER 10
+#define GUID_ASF_HEADER_EXTENSION 11
+#define GUID_ASF_BITRATE_MUTUAL_EXCLUSION 12
+#define GUID_ASF_CODEC_LIST 13
+#define GUID_ASF_EXTENDED_CONTENT_DESCRIPTION 14
+#define GUID_ASF_ERROR_CORRECTION 15
+#define GUID_ASF_PADDING 16
+
+ /* stream properties object stream type */
+#define GUID_ASF_AUDIO_MEDIA 17
+#define GUID_ASF_VIDEO_MEDIA 18
+#define GUID_ASF_COMMAND_MEDIA 19
+
+ /* stream properties object error correction type */
+#define GUID_ASF_NO_ERROR_CORRECTION 20
+#define GUID_ASF_AUDIO_SPREAD 21
+
+ /* mutual exclusion object exlusion type */
+#define GUID_ASF_MUTEX_BITRATE 22
+#define GUID_ASF_MUTEX_UKNOWN 23
+
+ /* header extension */
+#define GUID_ASF_RESERVED_1 24
+
+ /* script command */
+#define GUID_ASF_RESERVED_SCRIPT_COMMNAND 25
+
+ /* marker object */
+#define GUID_ASF_RESERVED_MARKER 26
+
+ /* various */
+/*
+#define GUID_ASF_HEAD2 27
+*/
+#define GUID_ASF_AUDIO_CONCEAL_NONE 27
+#define GUID_ASF_CODEC_COMMENT1_HEADER 28
+#define GUID_ASF_2_0_HEADER 29
+
+#define GUID_END 30
+
+
+/* asf stream types */
+#define ASF_STREAM_TYPE_UNKNOWN 0
+#define ASF_STREAM_TYPE_AUDIO 1
+#define ASF_STREAM_TYPE_VIDEO 2
+#define ASF_STREAM_TYPE_CONTROL 3
+
+#define ASF_MAX_NUM_STREAMS 23
+
+
+typedef unsigned long long ext_uint64_t;
+typedef unsigned int ext_uint32_t;
+typedef unsigned short ext_uint16_t;
+typedef unsigned char ext_uint8_t;
+
+typedef struct
+{
+ ext_uint32_t v1;
+ ext_uint16_t v2;
+ ext_uint16_t v3;
+ ext_uint8_t v4[8];
+} LE_GUID;
+
+static const struct
+{
+ const char *name;
+ const LE_GUID guid;
+} guids[] =
+{
+ {
+ "error",
+ {
+ 0x0,}},
+ /* base ASF objects */
+ {
+ "header",
+ {
+ 0x75b22630, 0x668e, 0x11cf,
+ {
+ 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c}}},
+ {
+ "data",
+ {
+ 0x75b22636, 0x668e, 0x11cf,
+ {
+ 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c}}},
+ {
+ "simple index",
+ {
+ 0x33000890, 0xe5b1, 0x11cf,
+ {
+ 0x89, 0xf4, 0x00, 0xa0, 0xc9, 0x03, 0x49, 0xcb}}},
+ /* header ASF objects */
+ {
+ "file properties",
+ {
+ 0x8cabdca1, 0xa947, 0x11cf,
+ {
+ 0x8e, 0xe4, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65}}},
+ {
+ "stream header",
+ {
+ 0xb7dc0791, 0xa9b7, 0x11cf,
+ {
+ 0x8e, 0xe6, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65}}},
+ {
+ "stream bitrate properties", /* (http://get.to/sdp) */
+ {
+ 0x7bf875ce, 0x468d, 0x11d1,
+ {
+ 0x8d, 0x82, 0x00, 0x60, 0x97, 0xc9, 0xa2, 0xb2}}},
+ {
+ "content description",
+ {
+ 0x75b22633, 0x668e, 0x11cf,
+ {
+ 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c}}},
+ {
+ "extended content encryption",
+ {
+ 0x298ae614, 0x2622, 0x4c17,
+ {
+ 0xb9, 0x35, 0xda, 0xe0, 0x7e, 0xe9, 0x28, 0x9c}}},
+ {
+ "script command",
+ {
+ 0x1efb1a30, 0x0b62, 0x11d0,
+ {
+ 0xa3, 0x9b, 0x00, 0xa0, 0xc9, 0x03, 0x48, 0xf6}}},
+ {
+ "marker",
+ {
+ 0xf487cd01, 0xa951, 0x11cf,
+ {
+ 0x8e, 0xe6, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65}}},
+ {
+ "header extension",
+ {
+ 0x5fbf03b5, 0xa92e, 0x11cf,
+ {
+ 0x8e, 0xe3, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65}}},
+ {
+ "bitrate mutual exclusion",
+ {
+ 0xd6e229dc, 0x35da, 0x11d1,
+ {
+ 0x90, 0x34, 0x00, 0xa0, 0xc9, 0x03, 0x49, 0xbe}}},
+ {
+ "codec list",
+ {
+ 0x86d15240, 0x311d, 0x11d0,
+ {
+ 0xa3, 0xa4, 0x00, 0xa0, 0xc9, 0x03, 0x48, 0xf6}}},
+ {
+ "extended content description",
+ {
+ 0xd2d0a440, 0xe307, 0x11d2,
+ {
+ 0x97, 0xf0, 0x00, 0xa0, 0xc9, 0x5e, 0xa8, 0x50}}},
+ {
+ "error correction",
+ {
+ 0x75b22635, 0x668e, 0x11cf,
+ {
+ 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c}}},
+ {
+ "padding",
+ {
+ 0x1806d474, 0xcadf, 0x4509,
+ {
+ 0xa4, 0xba, 0x9a, 0xab, 0xcb, 0x96, 0xaa, 0xe8}}},
+ /* stream properties object stream type */
+ {
+ "audio media",
+ {
+ 0xf8699e40, 0x5b4d, 0x11cf,
+ {
+ 0xa8, 0xfd, 0x00, 0x80, 0x5f, 0x5c, 0x44, 0x2b}}},
+ {
+ "video media",
+ {
+ 0xbc19efc0, 0x5b4d, 0x11cf,
+ {
+ 0xa8, 0xfd, 0x00, 0x80, 0x5f, 0x5c, 0x44, 0x2b}}},
+ {
+ "command media",
+ {
+ 0x59dacfc0, 0x59e6, 0x11d0,
+ {
+ 0xa3, 0xac, 0x00, 0xa0, 0xc9, 0x03, 0x48, 0xf6}}},
+ /* stream properties object error correction */
+ {
+ "no error correction",
+ {
+ 0x20fb5700, 0x5b55, 0x11cf,
+ {
+ 0xa8, 0xfd, 0x00, 0x80, 0x5f, 0x5c, 0x44, 0x2b}}},
+ {
+ "audio spread",
+ {
+ 0xbfc3cd50, 0x618f, 0x11cf,
+ {
+ 0x8b, 0xb2, 0x00, 0xaa, 0x00, 0xb4, 0xe2, 0x20}}},
+ /* mutual exclusion object exlusion type */
+ {
+ "mutex bitrate",
+ {
+ 0xd6e22a01, 0x35da, 0x11d1,
+ {
+ 0x90, 0x34, 0x00, 0xa0, 0xc9, 0x03, 0x49, 0xbe}}},
+ {
+ "mutex unknown",
+ {
+ 0xd6e22a02, 0x35da, 0x11d1,
+ {
+ 0x90, 0x34, 0x00, 0xa0, 0xc9, 0x03, 0x49, 0xbe}}},
+ /* header extension */
+ {
+ "reserved_1",
+ {
+ 0xabd3d211, 0xa9ba, 0x11cf,
+ {
+ 0x8e, 0xe6, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65}}},
+ /* script command */
+ {
+ "reserved script command",
+ {
+ 0x4B1ACBE3, 0x100B, 0x11D0,
+ {
+ 0xA3, 0x9B, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}}},
+ /* marker object */
+ {
+ "reserved marker",
+ {
+ 0x4CFEDB20, 0x75F6, 0x11CF,
+ {
+ 0x9C, 0x0F, 0x00, 0xA0, 0xC9, 0x03, 0x49, 0xCB}}},
+ /* various */
+ /* Already defined (reserved_1)
+ { "head2",
+ { 0xabd3d211, 0xa9ba, 0x11cf, { 0x8e, 0xe6, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65 }} },
+ */
+ {
+ "audio conceal none",
+ {
+ 0x49f1a440, 0x4ece, 0x11d0,
+ {
+ 0xa3, 0xac, 0x00, 0xa0, 0xc9, 0x03, 0x48, 0xf6}}},
+ {
+ "codec comment1 header",
+ {
+ 0x86d15241, 0x311d, 0x11d0,
+ {
+ 0xa3, 0xa4, 0x00, 0xa0, 0xc9, 0x03, 0x48, 0xf6}}},
+ {
+ "asf 2.0 header",
+ {
+ 0xd6e229d1, 0x35da, 0x11d1,
+ {
+0x90, 0x34, 0x00, 0xa0, 0xc9, 0x03, 0x49, 0xbe}}},};
+
+typedef struct
+{
+ int num;
+ int seq;
+
+ int frag_offset;
+ int64_t timestamp;
+ int ts_per_kbyte;
+ int defrag;
+
+ ext_uint32_t buf_type;
+ int stream_id;
+
+ ext_uint8_t *buffer;
+} asf_stream_t;
+
+typedef struct demux_asf_s
+{
+ /* pointer to the stream data */
+ const char *input;
+ /* current position in stream */
+ size_t inputPos;
+ size_t inputLen;
+
+ int keyframe_found;
+
+ int seqno;
+ ext_uint32_t packet_size;
+ ext_uint8_t packet_flags;
+ ext_uint32_t data_size;
+
+ ext_uint32_t bitrates[MAX_NUM_STREAMS];
+ int num_streams;
+ int num_audio_streams;
+ int num_video_streams;
+ int audio_stream;
+ int video_stream;
+ int audio_stream_id;
+ int video_stream_id;
+ int control_stream_id;
+
+ ext_uint16_t wavex[1024];
+ int wavex_size;
+
+ char title[512];
+ char author[512];
+ char copyright[512];
+ char comment[512];
+
+ ext_uint32_t length, rate;
+
+ /* packet filling */
+ int packet_size_left;
+
+ /* frame rate calculations, discontinuity detection */
+
+ int64_t last_pts[2];
+ int32_t frame_duration;
+ int send_newpts;
+ int64_t last_frame_pts;
+
+ /* only for reading */
+ ext_uint32_t packet_padsize;
+ int nb_frames;
+ ext_uint8_t frame_flag;
+ ext_uint8_t segtype;
+ int frame;
+
+ int status;
+
+ /* byte reordering from audio streams */
+ int reorder_h;
+ int reorder_w;
+ int reorder_b;
+
+ off_t header_size;
+ int buf_flag_seek;
+
+ /* first packet position */
+ int64_t first_packet_pos;
+
+ int reference_mode;
+} demux_asf_t;
+
+static int
+readBuf (demux_asf_t * this, void *buf, int len)
+{
+ int min;
+
+ min = len;
+ if (this->inputLen - this->inputPos < min)
+ min = this->inputLen - this->inputPos;
+ memcpy (buf, &this->input[this->inputPos], min);
+ this->inputPos += min;
+ return min;
+}
+
+static ext_uint8_t
+get_byte (demux_asf_t * this)
+{
+ ext_uint8_t buf;
+ int i;
+
+ i = readBuf (this, &buf, 1);
+ if (i != 1)
+ this->status = DEMUX_FINISHED;
+ return buf;
+}
+
+static ext_uint16_t
+get_le16 (demux_asf_t * this)
+{
+ ext_uint8_t buf[2];
+ int i;
+
+ i = readBuf (this, buf, 2);
+ if (i != 2)
+ this->status = DEMUX_FINISHED;
+ return buf[0] | (buf[1] << 8);
+}
+
+static ext_uint32_t
+get_le32 (demux_asf_t * this)
+{
+ ext_uint8_t buf[4];
+ int i;
+
+ i = readBuf (this, buf, 4);
+ if (i != 4)
+ this->status = DEMUX_FINISHED;
+ return buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24);
+}
+
+static ext_uint64_t
+get_le64 (demux_asf_t * this)
+{
+ ext_uint8_t buf[8];
+ int i;
+
+ i = readBuf (this, buf, 8);
+ if (i != 8)
+ this->status = DEMUX_FINISHED;
+ return (ext_uint64_t) buf[0]
+ | ((ext_uint64_t) buf[1] << 8)
+ | ((ext_uint64_t) buf[2] << 16)
+ | ((ext_uint64_t) buf[3] << 24)
+ | ((ext_uint64_t) buf[4] << 32)
+ | ((ext_uint64_t) buf[5] << 40)
+ | ((ext_uint64_t) buf[6] << 48) | ((ext_uint64_t) buf[7] << 54);
+}
+
+static int
+get_guid (demux_asf_t * this)
+{
+ int i;
+ LE_GUID g;
+
+ g.v1 = get_le32 (this);
+ g.v2 = get_le16 (this);
+ g.v3 = get_le16 (this);
+ for (i = 0; i < 8; i++)
+ g.v4[i] = get_byte (this);
+ if (this->status == DEMUX_FINISHED)
+ return GUID_ERROR;
+ for (i = 1; i < GUID_END; i++)
+ if (!memcmp (&g, &guids[i].guid, sizeof (LE_GUID)))
+ return i;
+
+ return GUID_ERROR;
+}
+
+static void
+get_str16_nolen (demux_asf_t * this, int len, char *buf, int buf_size)
+{
+
+ int c;
+ char *q;
+
+ q = buf;
+ while (len > 0)
+ {
+ c = get_le16 (this);
+ if ((q - buf) < buf_size - 1)
+ *q++ = c;
+ len -= 2;
+ }
+ *q = '\0';
+}
+
+static int
+asf_read_header (demux_asf_t * this)
+{
+ int guid;
+ ext_uint64_t gsize;
+
+ guid = get_guid (this);
+ if (guid != GUID_ASF_HEADER)
+ return 0;
+ get_le64 (this);
+ get_le32 (this);
+ get_byte (this);
+ get_byte (this);
+
+ while (this->status != DEMUX_FINISHED)
+ {
+ guid = get_guid (this);
+ gsize = get_le64 (this);
+
+ if (gsize < 24)
+ goto fail;
+
+ switch (guid)
+ {
+ case GUID_ASF_FILE_PROPERTIES:
+ {
+ ext_uint64_t start_time, end_time;
+
+ guid = get_guid (this);
+ get_le64 (this); /* file size */
+ get_le64 (this); /* file time */
+ get_le64 (this); /* nb_packets */
+
+ end_time = get_le64 (this);
+
+ this->length = get_le64 (this) / 10000;
+ if (this->length)
+ this->rate = this->inputLen / (this->length / 1000);
+ else
+ this->rate = 0;
+
+
+ start_time = get_le32 (this); /* start timestamp in 1/1000 s */
+
+ get_le32 (this); /* unknown */
+ get_le32 (this); /* min size */
+ this->packet_size = get_le32 (this); /* max size */
+ get_le32 (this); /* max bitrate */
+ get_le32 (this);
+ }
+ break;
+
+ case (GUID_ASF_STREAM_PROPERTIES):
+ {
+ int type;
+ ext_uint32_t total_size, stream_data_size;
+ ext_uint16_t stream_id;
+ ext_uint64_t pos1, pos2;
+ pos1 = this->inputPos;
+
+ guid = get_guid (this);
+ switch (guid)
+ {
+ case GUID_ASF_AUDIO_MEDIA:
+ type = CODEC_TYPE_AUDIO;
+ break;
+
+ case GUID_ASF_VIDEO_MEDIA:
+ type = CODEC_TYPE_VIDEO;
+ break;
+
+ case GUID_ASF_COMMAND_MEDIA:
+ type = CODEC_TYPE_CONTROL;
+ break;
+
+ default:
+ goto fail;
+ }
+
+ guid = get_guid (this);
+ get_le64 (this);
+ total_size = get_le32 (this);
+ if (total_size > sizeof (this->wavex))
+ goto fail;
+ stream_data_size = get_le32 (this);
+ stream_id = get_le16 (this); /* stream id */
+ get_le32 (this);
+
+ if (type == CODEC_TYPE_AUDIO)
+ {
+ ext_uint8_t buffer[6];
+
+ readBuf (this, (ext_uint8_t *) this->wavex, total_size);
+ if (guid == GUID_ASF_AUDIO_SPREAD)
+ {
+ readBuf (this, buffer, 6);
+ this->reorder_h = buffer[0];
+ this->reorder_w = (buffer[2] << 8) | buffer[1];
+ this->reorder_b = (buffer[4] << 8) | buffer[3];
+ this->reorder_w /= this->reorder_b;
+ }
+ else
+ {
+ this->reorder_b = this->reorder_h = this->reorder_w = 1;
+ }
+
+ this->wavex_size = total_size; /* 18 + this->wavex[8]; */
+ this->num_audio_streams++;
+ }
+ else if (type == CODEC_TYPE_VIDEO)
+ {
+
+ ext_uint16_t i;
+
+ get_le32 (this); /* width */
+ get_le32 (this); /* height */
+ get_byte (this);
+
+ i = get_le16 (this); /* size */
+ this->inputPos += i;
+ this->num_video_streams++;
+ }
+ else if (type == CODEC_TYPE_CONTROL)
+ {
+ this->control_stream_id = stream_id;
+ }
+
+ this->num_streams++;
+ pos2 = this->inputPos;
+ this->inputPos += gsize - (pos2 - pos1 + 24);
+ }
+ break;
+
+ case GUID_ASF_DATA:
+ goto headers_ok;
+ break;
+ case GUID_ASF_CONTENT_DESCRIPTION:
+ {
+ ext_uint16_t len1, len2, len3, len4, len5;
+
+ len1 = get_le16 (this);
+ len2 = get_le16 (this);
+ len3 = get_le16 (this);
+ len4 = get_le16 (this);
+ len5 = get_le16 (this);
+ get_str16_nolen (this, len1, this->title, sizeof (this->title));
+ get_str16_nolen (this, len2, this->author, sizeof (this->author));
+ get_str16_nolen (this, len3, this->copyright,
+ sizeof (this->copyright));
+ get_str16_nolen (this, len4, this->comment,
+ sizeof (this->comment));
+ this->inputPos += len5;
+ }
+ break;
+
+ case GUID_ASF_STREAM_BITRATE_PROPERTIES:
+ {
+ ext_uint16_t streams, stream_id;
+ ext_uint16_t i;
+
+ streams = get_le16 (this);
+ for (i = 0; i < streams; i++)
+ {
+ stream_id = get_le16 (this);
+ this->bitrates[stream_id] = get_le32 (this);
+ }
+ }
+ break;
+
+ default:
+ this->inputPos += gsize - 24;
+ }
+ }
+
+headers_ok:
+ this->inputPos += sizeof (LE_GUID) + 10;
+ this->packet_size_left = 0;
+ this->first_packet_pos = this->inputPos;
+ return 1;
+
+fail:
+ return 0;
+}
+
+
+/* mimetypes:
+ video/x-ms-asf: asf: ASF stream;
+ video/x-ms-wmv: wmv: Windows Media Video;
+ video/x-ms-wma: wma: Windows Media Audio;
+ application/vnd.ms-asf: asf: ASF stream;
+ application/x-mplayer2: asf,asx,asp: mplayer2;
+ video/x-ms-asf-plugin: asf,asx,asp: mms animation;
+ video/x-ms-wvx: wvx: wmv metafile;
+ video/x-ms-wax: wva: wma metafile; */
+
+/* mimetype = application/applefile */
+int
+EXTRACTOR_asf_extract (const char *data,
+ size_t size,
+ EXTRACTOR_MetaDataProcessor proc,
+ void *proc_cls,
+ const char *options)
+{
+ demux_asf_t this;
+
+ memset (&this, 0, sizeof (demux_asf_t));
+ this.input = data;
+ this.inputLen = size;
+ this.status = DEMUX_START;
+ if (0 == asf_read_header (&this))
+ return 0;
+
+ if ( ( (strlen(this.title) > 0) &&
+ (0 != proc (proc_cls,
+ "asf",
+ EXTRACTOR_METATYPE_TITLE,
+ EXTRACTOR_METAFORMAT_C_STRING,
+ "text/plain",
+ this.title,
+ strlen(this.title) + 1)) ) ||
+ ( (strlen(this.author) > 0) &&
+ (0 != proc (proc_cls,
+ "asf",
+ EXTRACTOR_METATYPE_AUTHOR_NAME,
+ EXTRACTOR_METAFORMAT_C_STRING,
+ "text/plain",
+ this.author,
+ strlen(this.author) + 1)) ) ||
+ ( (strlen(this.comment) > 0) &&
+ (0 != proc (proc_cls,
+ "asf",
+ EXTRACTOR_METATYPE_COMMENT,
+ EXTRACTOR_METAFORMAT_C_STRING,
+ "text/plain",
+ this.comment,
+ strlen(this.comment) + 1)) ) ||
+ ( (strlen(this.copyright) > 0) &&
+ (0 != proc (proc_cls,
+ "asf",
+ EXTRACTOR_METATYPE_COPYRIGHT,
+ EXTRACTOR_METAFORMAT_C_STRING,
+ "text/plain",
+ this.copyright,
+ strlen(this.copyright) + 1)) ) ||
+ (0 != proc (proc_cls,
+ "asf",
+ EXTRACTOR_METATYPE_MIMETYPE,
+ EXTRACTOR_METAFORMAT_C_STRING,
+ "text/plain",
+ "video/x-ms-asf",
+ strlen("video/x-ms-asf") + 1)) )
+ return 1;
+ return 0;
+}
+
+/* end of asf_extractor.c */
diff --git a/src/plugins/asfextractor.c b/src/plugins/asfextractor.c
@@ -1,797 +0,0 @@
-/*
- This file is part of libextractor.
- (C) 2002, 2003 Vidyut Samanta and Christian Grothoff
-
- libextractor 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, or (at your
- option) any later version.
-
- libextractor 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 libextractor; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
- */
-
-/*
- * This file is based on demux_asf from the xine project (copyright follows).
- *
- * Copyright (C) 2000-2002 the xine project
- *
- * This file is part of xine, a free video player.
- *
- * xine 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.
- *
- * xine 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
- *
- * $Id: asfextractor.c,v 1.6 2004/10/05 20:02:08 grothoff Exp $
- *
- * demultiplexer for asf streams
- *
- * based on ffmpeg's
- * ASF compatible encoder and decoder.
- * Copyright (c) 2000, 2001 Gerard Lantau.
- *
- * GUID list from avifile
- * some other ideas from MPlayer
- */
-
-#include "platform.h"
-#include "extractor.h"
-
-#define CODEC_TYPE_AUDIO 0
-#define CODEC_TYPE_VIDEO 1
-#define CODEC_TYPE_CONTROL 2
-#define MAX_NUM_STREAMS 23
-
-#define DEFRAG_BUFSIZE 65536
-#define DEMUX_START 1
-#define DEMUX_FINISHED 0
-
-
-/*
- * define asf GUIDs (list from avifile)
- */
-#define GUID_ERROR 0
-
- /* base ASF objects */
-#define GUID_ASF_HEADER 1
-#define GUID_ASF_DATA 2
-#define GUID_ASF_SIMPLE_INDEX 3
-
- /* header ASF objects */
-#define GUID_ASF_FILE_PROPERTIES 4
-#define GUID_ASF_STREAM_PROPERTIES 5
-#define GUID_ASF_STREAM_BITRATE_PROPERTIES 6
-#define GUID_ASF_CONTENT_DESCRIPTION 7
-#define GUID_ASF_EXTENDED_CONTENT_ENCRYPTION 8
-#define GUID_ASF_SCRIPT_COMMAND 9
-#define GUID_ASF_MARKER 10
-#define GUID_ASF_HEADER_EXTENSION 11
-#define GUID_ASF_BITRATE_MUTUAL_EXCLUSION 12
-#define GUID_ASF_CODEC_LIST 13
-#define GUID_ASF_EXTENDED_CONTENT_DESCRIPTION 14
-#define GUID_ASF_ERROR_CORRECTION 15
-#define GUID_ASF_PADDING 16
-
- /* stream properties object stream type */
-#define GUID_ASF_AUDIO_MEDIA 17
-#define GUID_ASF_VIDEO_MEDIA 18
-#define GUID_ASF_COMMAND_MEDIA 19
-
- /* stream properties object error correction type */
-#define GUID_ASF_NO_ERROR_CORRECTION 20
-#define GUID_ASF_AUDIO_SPREAD 21
-
- /* mutual exclusion object exlusion type */
-#define GUID_ASF_MUTEX_BITRATE 22
-#define GUID_ASF_MUTEX_UKNOWN 23
-
- /* header extension */
-#define GUID_ASF_RESERVED_1 24
-
- /* script command */
-#define GUID_ASF_RESERVED_SCRIPT_COMMNAND 25
-
- /* marker object */
-#define GUID_ASF_RESERVED_MARKER 26
-
- /* various */
-/*
-#define GUID_ASF_HEAD2 27
-*/
-#define GUID_ASF_AUDIO_CONCEAL_NONE 27
-#define GUID_ASF_CODEC_COMMENT1_HEADER 28
-#define GUID_ASF_2_0_HEADER 29
-
-#define GUID_END 30
-
-
-/* asf stream types */
-#define ASF_STREAM_TYPE_UNKNOWN 0
-#define ASF_STREAM_TYPE_AUDIO 1
-#define ASF_STREAM_TYPE_VIDEO 2
-#define ASF_STREAM_TYPE_CONTROL 3
-
-#define ASF_MAX_NUM_STREAMS 23
-
-
-typedef unsigned long long ext_uint64_t;
-typedef unsigned int ext_uint32_t;
-typedef unsigned short ext_uint16_t;
-typedef unsigned char ext_uint8_t;
-
-typedef struct
-{
- ext_uint32_t v1;
- ext_uint16_t v2;
- ext_uint16_t v3;
- ext_uint8_t v4[8];
-} LE_GUID;
-
-static const struct
-{
- const char *name;
- const LE_GUID guid;
-} guids[] =
-{
- {
- "error",
- {
- 0x0,}},
- /* base ASF objects */
- {
- "header",
- {
- 0x75b22630, 0x668e, 0x11cf,
- {
- 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c}}},
- {
- "data",
- {
- 0x75b22636, 0x668e, 0x11cf,
- {
- 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c}}},
- {
- "simple index",
- {
- 0x33000890, 0xe5b1, 0x11cf,
- {
- 0x89, 0xf4, 0x00, 0xa0, 0xc9, 0x03, 0x49, 0xcb}}},
- /* header ASF objects */
- {
- "file properties",
- {
- 0x8cabdca1, 0xa947, 0x11cf,
- {
- 0x8e, 0xe4, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65}}},
- {
- "stream header",
- {
- 0xb7dc0791, 0xa9b7, 0x11cf,
- {
- 0x8e, 0xe6, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65}}},
- {
- "stream bitrate properties", /* (http://get.to/sdp) */
- {
- 0x7bf875ce, 0x468d, 0x11d1,
- {
- 0x8d, 0x82, 0x00, 0x60, 0x97, 0xc9, 0xa2, 0xb2}}},
- {
- "content description",
- {
- 0x75b22633, 0x668e, 0x11cf,
- {
- 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c}}},
- {
- "extended content encryption",
- {
- 0x298ae614, 0x2622, 0x4c17,
- {
- 0xb9, 0x35, 0xda, 0xe0, 0x7e, 0xe9, 0x28, 0x9c}}},
- {
- "script command",
- {
- 0x1efb1a30, 0x0b62, 0x11d0,
- {
- 0xa3, 0x9b, 0x00, 0xa0, 0xc9, 0x03, 0x48, 0xf6}}},
- {
- "marker",
- {
- 0xf487cd01, 0xa951, 0x11cf,
- {
- 0x8e, 0xe6, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65}}},
- {
- "header extension",
- {
- 0x5fbf03b5, 0xa92e, 0x11cf,
- {
- 0x8e, 0xe3, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65}}},
- {
- "bitrate mutual exclusion",
- {
- 0xd6e229dc, 0x35da, 0x11d1,
- {
- 0x90, 0x34, 0x00, 0xa0, 0xc9, 0x03, 0x49, 0xbe}}},
- {
- "codec list",
- {
- 0x86d15240, 0x311d, 0x11d0,
- {
- 0xa3, 0xa4, 0x00, 0xa0, 0xc9, 0x03, 0x48, 0xf6}}},
- {
- "extended content description",
- {
- 0xd2d0a440, 0xe307, 0x11d2,
- {
- 0x97, 0xf0, 0x00, 0xa0, 0xc9, 0x5e, 0xa8, 0x50}}},
- {
- "error correction",
- {
- 0x75b22635, 0x668e, 0x11cf,
- {
- 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c}}},
- {
- "padding",
- {
- 0x1806d474, 0xcadf, 0x4509,
- {
- 0xa4, 0xba, 0x9a, 0xab, 0xcb, 0x96, 0xaa, 0xe8}}},
- /* stream properties object stream type */
- {
- "audio media",
- {
- 0xf8699e40, 0x5b4d, 0x11cf,
- {
- 0xa8, 0xfd, 0x00, 0x80, 0x5f, 0x5c, 0x44, 0x2b}}},
- {
- "video media",
- {
- 0xbc19efc0, 0x5b4d, 0x11cf,
- {
- 0xa8, 0xfd, 0x00, 0x80, 0x5f, 0x5c, 0x44, 0x2b}}},
- {
- "command media",
- {
- 0x59dacfc0, 0x59e6, 0x11d0,
- {
- 0xa3, 0xac, 0x00, 0xa0, 0xc9, 0x03, 0x48, 0xf6}}},
- /* stream properties object error correction */
- {
- "no error correction",
- {
- 0x20fb5700, 0x5b55, 0x11cf,
- {
- 0xa8, 0xfd, 0x00, 0x80, 0x5f, 0x5c, 0x44, 0x2b}}},
- {
- "audio spread",
- {
- 0xbfc3cd50, 0x618f, 0x11cf,
- {
- 0x8b, 0xb2, 0x00, 0xaa, 0x00, 0xb4, 0xe2, 0x20}}},
- /* mutual exclusion object exlusion type */
- {
- "mutex bitrate",
- {
- 0xd6e22a01, 0x35da, 0x11d1,
- {
- 0x90, 0x34, 0x00, 0xa0, 0xc9, 0x03, 0x49, 0xbe}}},
- {
- "mutex unknown",
- {
- 0xd6e22a02, 0x35da, 0x11d1,
- {
- 0x90, 0x34, 0x00, 0xa0, 0xc9, 0x03, 0x49, 0xbe}}},
- /* header extension */
- {
- "reserved_1",
- {
- 0xabd3d211, 0xa9ba, 0x11cf,
- {
- 0x8e, 0xe6, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65}}},
- /* script command */
- {
- "reserved script command",
- {
- 0x4B1ACBE3, 0x100B, 0x11D0,
- {
- 0xA3, 0x9B, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}}},
- /* marker object */
- {
- "reserved marker",
- {
- 0x4CFEDB20, 0x75F6, 0x11CF,
- {
- 0x9C, 0x0F, 0x00, 0xA0, 0xC9, 0x03, 0x49, 0xCB}}},
- /* various */
- /* Already defined (reserved_1)
- { "head2",
- { 0xabd3d211, 0xa9ba, 0x11cf, { 0x8e, 0xe6, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65 }} },
- */
- {
- "audio conceal none",
- {
- 0x49f1a440, 0x4ece, 0x11d0,
- {
- 0xa3, 0xac, 0x00, 0xa0, 0xc9, 0x03, 0x48, 0xf6}}},
- {
- "codec comment1 header",
- {
- 0x86d15241, 0x311d, 0x11d0,
- {
- 0xa3, 0xa4, 0x00, 0xa0, 0xc9, 0x03, 0x48, 0xf6}}},
- {
- "asf 2.0 header",
- {
- 0xd6e229d1, 0x35da, 0x11d1,
- {
-0x90, 0x34, 0x00, 0xa0, 0xc9, 0x03, 0x49, 0xbe}}},};
-
-typedef struct
-{
- int num;
- int seq;
-
- int frag_offset;
- int64_t timestamp;
- int ts_per_kbyte;
- int defrag;
-
- ext_uint32_t buf_type;
- int stream_id;
-
- ext_uint8_t *buffer;
-} asf_stream_t;
-
-typedef struct demux_asf_s
-{
- /* pointer to the stream data */
- char *input;
- /* current position in stream */
- size_t inputPos;
- size_t inputLen;
-
- int keyframe_found;
-
- int seqno;
- ext_uint32_t packet_size;
- ext_uint8_t packet_flags;
- ext_uint32_t data_size;
-
- ext_uint32_t bitrates[MAX_NUM_STREAMS];
- int num_streams;
- int num_audio_streams;
- int num_video_streams;
- int audio_stream;
- int video_stream;
- int audio_stream_id;
- int video_stream_id;
- int control_stream_id;
-
- ext_uint16_t wavex[1024];
- int wavex_size;
-
- char title[512];
- char author[512];
- char copyright[512];
- char comment[512];
-
- ext_uint32_t length, rate;
-
- /* packet filling */
- int packet_size_left;
-
- /* frame rate calculations, discontinuity detection */
-
- int64_t last_pts[2];
- int32_t frame_duration;
- int send_newpts;
- int64_t last_frame_pts;
-
- /* only for reading */
- ext_uint32_t packet_padsize;
- int nb_frames;
- ext_uint8_t frame_flag;
- ext_uint8_t segtype;
- int frame;
-
- int status;
-
- /* byte reordering from audio streams */
- int reorder_h;
- int reorder_w;
- int reorder_b;
-
- off_t header_size;
- int buf_flag_seek;
-
- /* first packet position */
- int64_t first_packet_pos;
-
- int reference_mode;
-} demux_asf_t;
-
-static int
-readBuf (demux_asf_t * this, void *buf, int len)
-{
- int min;
-
- min = len;
- if (this->inputLen - this->inputPos < min)
- min = this->inputLen - this->inputPos;
- memcpy (buf, &this->input[this->inputPos], min);
- this->inputPos += min;
- return min;
-}
-
-static ext_uint8_t
-get_byte (demux_asf_t * this)
-{
- ext_uint8_t buf;
- int i;
-
- i = readBuf (this, &buf, 1);
- if (i != 1)
- this->status = DEMUX_FINISHED;
- return buf;
-}
-
-static ext_uint16_t
-get_le16 (demux_asf_t * this)
-{
- ext_uint8_t buf[2];
- int i;
-
- i = readBuf (this, buf, 2);
- if (i != 2)
- this->status = DEMUX_FINISHED;
- return buf[0] | (buf[1] << 8);
-}
-
-static ext_uint32_t
-get_le32 (demux_asf_t * this)
-{
- ext_uint8_t buf[4];
- int i;
-
- i = readBuf (this, buf, 4);
- if (i != 4)
- this->status = DEMUX_FINISHED;
- return buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24);
-}
-
-static ext_uint64_t
-get_le64 (demux_asf_t * this)
-{
- ext_uint8_t buf[8];
- int i;
-
- i = readBuf (this, buf, 8);
- if (i != 8)
- this->status = DEMUX_FINISHED;
- return (ext_uint64_t) buf[0]
- | ((ext_uint64_t) buf[1] << 8)
- | ((ext_uint64_t) buf[2] << 16)
- | ((ext_uint64_t) buf[3] << 24)
- | ((ext_uint64_t) buf[4] << 32)
- | ((ext_uint64_t) buf[5] << 40)
- | ((ext_uint64_t) buf[6] << 48) | ((ext_uint64_t) buf[7] << 54);
-}
-
-static int
-get_guid (demux_asf_t * this)
-{
- int i;
- LE_GUID g;
-
- g.v1 = get_le32 (this);
- g.v2 = get_le16 (this);
- g.v3 = get_le16 (this);
- for (i = 0; i < 8; i++)
- g.v4[i] = get_byte (this);
- if (this->status == DEMUX_FINISHED)
- return GUID_ERROR;
- for (i = 1; i < GUID_END; i++)
- if (!memcmp (&g, &guids[i].guid, sizeof (LE_GUID)))
- return i;
-
- return GUID_ERROR;
-}
-
-static void
-get_str16_nolen (demux_asf_t * this, int len, char *buf, int buf_size)
-{
-
- int c;
- char *q;
-
- q = buf;
- while (len > 0)
- {
- c = get_le16 (this);
- if ((q - buf) < buf_size - 1)
- *q++ = c;
- len -= 2;
- }
- *q = '\0';
-}
-
-static int
-asf_read_header (demux_asf_t * this)
-{
- int guid;
- ext_uint64_t gsize;
-
- guid = get_guid (this);
- if (guid != GUID_ASF_HEADER)
- return 0;
- get_le64 (this);
- get_le32 (this);
- get_byte (this);
- get_byte (this);
-
- while (this->status != DEMUX_FINISHED)
- {
- guid = get_guid (this);
- gsize = get_le64 (this);
-
- if (gsize < 24)
- goto fail;
-
- switch (guid)
- {
- case GUID_ASF_FILE_PROPERTIES:
- {
- ext_uint64_t start_time, end_time;
-
- guid = get_guid (this);
- get_le64 (this); /* file size */
- get_le64 (this); /* file time */
- get_le64 (this); /* nb_packets */
-
- end_time = get_le64 (this);
-
- this->length = get_le64 (this) / 10000;
- if (this->length)
- this->rate = this->inputLen / (this->length / 1000);
- else
- this->rate = 0;
-
-
- start_time = get_le32 (this); /* start timestamp in 1/1000 s */
-
- get_le32 (this); /* unknown */
- get_le32 (this); /* min size */
- this->packet_size = get_le32 (this); /* max size */
- get_le32 (this); /* max bitrate */
- get_le32 (this);
- }
- break;
-
- case (GUID_ASF_STREAM_PROPERTIES):
- {
- int type;
- ext_uint32_t total_size, stream_data_size;
- ext_uint16_t stream_id;
- ext_uint64_t pos1, pos2;
- pos1 = this->inputPos;
-
- guid = get_guid (this);
- switch (guid)
- {
- case GUID_ASF_AUDIO_MEDIA:
- type = CODEC_TYPE_AUDIO;
- break;
-
- case GUID_ASF_VIDEO_MEDIA:
- type = CODEC_TYPE_VIDEO;
- break;
-
- case GUID_ASF_COMMAND_MEDIA:
- type = CODEC_TYPE_CONTROL;
- break;
-
- default:
- goto fail;
- }
-
- guid = get_guid (this);
- get_le64 (this);
- total_size = get_le32 (this);
- if (total_size > sizeof (this->wavex))
- goto fail;
- stream_data_size = get_le32 (this);
- stream_id = get_le16 (this); /* stream id */
- get_le32 (this);
-
- if (type == CODEC_TYPE_AUDIO)
- {
- ext_uint8_t buffer[6];
-
- readBuf (this, (ext_uint8_t *) this->wavex, total_size);
- if (guid == GUID_ASF_AUDIO_SPREAD)
- {
- readBuf (this, buffer, 6);
- this->reorder_h = buffer[0];
- this->reorder_w = (buffer[2] << 8) | buffer[1];
- this->reorder_b = (buffer[4] << 8) | buffer[3];
- this->reorder_w /= this->reorder_b;
- }
- else
- {
- this->reorder_b = this->reorder_h = this->reorder_w = 1;
- }
-
- this->wavex_size = total_size; /* 18 + this->wavex[8]; */
- this->num_audio_streams++;
- }
- else if (type == CODEC_TYPE_VIDEO)
- {
-
- ext_uint16_t i;
-
- get_le32 (this); /* width */
- get_le32 (this); /* height */
- get_byte (this);
-
- i = get_le16 (this); /* size */
- this->inputPos += i;
- this->num_video_streams++;
- }
- else if (type == CODEC_TYPE_CONTROL)
- {
- this->control_stream_id = stream_id;
- }
-
- this->num_streams++;
- pos2 = this->inputPos;
- this->inputPos += gsize - (pos2 - pos1 + 24);
- }
- break;
-
- case GUID_ASF_DATA:
- goto headers_ok;
- break;
- case GUID_ASF_CONTENT_DESCRIPTION:
- {
- ext_uint16_t len1, len2, len3, len4, len5;
-
- len1 = get_le16 (this);
- len2 = get_le16 (this);
- len3 = get_le16 (this);
- len4 = get_le16 (this);
- len5 = get_le16 (this);
- get_str16_nolen (this, len1, this->title, sizeof (this->title));
- get_str16_nolen (this, len2, this->author, sizeof (this->author));
- get_str16_nolen (this, len3, this->copyright,
- sizeof (this->copyright));
- get_str16_nolen (this, len4, this->comment,
- sizeof (this->comment));
- this->inputPos += len5;
- }
- break;
-
- case GUID_ASF_STREAM_BITRATE_PROPERTIES:
- {
- ext_uint16_t streams, stream_id;
- ext_uint16_t i;
-
- streams = get_le16 (this);
- for (i = 0; i < streams; i++)
- {
- stream_id = get_le16 (this);
- this->bitrates[stream_id] = get_le32 (this);
- }
- }
- break;
-
- default:
- this->inputPos += gsize - 24;
- }
- }
-
-headers_ok:
- this->inputPos += sizeof (LE_GUID) + 10;
- this->packet_size_left = 0;
- this->first_packet_pos = this->inputPos;
- return 1;
-
-fail:
- return 0;
-}
-
-
-static struct EXTRACTOR_Keywords *
-addKeyword (EXTRACTOR_KeywordType type,
- char *keyword, struct EXTRACTOR_Keywords *next)
-{
- EXTRACTOR_KeywordList *result;
-
- if (keyword == NULL)
- return next;
- result = malloc (sizeof (EXTRACTOR_KeywordList));
- result->next = next;
- result->keyword = strdup (keyword);
- result->keywordType = type;
- return result;
-}
-
-
-/* mimetypes:
- video/x-ms-asf: asf: ASF stream;
- video/x-ms-wmv: wmv: Windows Media Video;
- video/x-ms-wma: wma: Windows Media Audio;
- application/vnd.ms-asf: asf: ASF stream;
- application/x-mplayer2: asf,asx,asp: mplayer2;
- video/x-ms-asf-plugin: asf,asx,asp: mms animation;
- video/x-ms-wvx: wvx: wmv metafile;
- video/x-ms-wax: wva: wma metafile; */
-struct EXTRACTOR_Keywords *
-libextractor_asf_extract (char *filename,
- char *data,
- size_t size, struct EXTRACTOR_Keywords *prev)
-{
- demux_asf_t *this;
-
- this = malloc (sizeof (demux_asf_t));
- memset (this, 0, sizeof (demux_asf_t));
- this->input = data;
- this->inputPos = 0;
- this->inputLen = size;
- this->status = DEMUX_START;
-
- if (0 == asf_read_header (this))
- {
- free (this);
- return prev;
- }
-
- if (strlen (this->title) > 0)
- prev = addKeyword (EXTRACTOR_TITLE, this->title, prev);
- if (strlen (this->author) > 0)
- prev = addKeyword (EXTRACTOR_AUTHOR, this->author, prev);
- if (strlen (this->comment) > 0)
- prev = addKeyword (EXTRACTOR_COMMENT, this->comment, prev);
- if (strlen (this->copyright) > 0)
- prev = addKeyword (EXTRACTOR_COPYRIGHT, this->copyright, prev);
- prev = addKeyword (EXTRACTOR_MIMETYPE, "video/x-ms-asf", prev);
-
- /* build a description from author and title */
- if (strlen (this->author) * strlen (this->title) > 0)
- {
- EXTRACTOR_KeywordList *keyword =
- malloc (sizeof (EXTRACTOR_KeywordList));
- char *word;
- int len = 3 + strlen (this->author) + strlen (this->title);
-
- word = malloc (len);
- word[0] = '\0';
- strcat (word, this->author);
- strcat (word, ": ");
- strcat (word, this->title);
- keyword->next = prev;
- keyword->keyword = word;
- keyword->keywordType = EXTRACTOR_DESCRIPTION;
- prev = keyword;
- }
- free (this);
- return prev;
-}
-
-
-/* end of asfextractor.c */
