The tool prints out asf file structure.
---
libavformat/Makefile | 3 +-
tools/asfinfo.c | 533 +++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 535 insertions(+), 1 deletion(-)
create mode 100644 tools/asfinfo.c
diff --git a/libavformat/Makefile b/libavformat/Makefile
index a7f03f9..76bb9b5 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -402,7 +402,8 @@ TESTPROGS = seek
\
TESTPROGS-$(CONFIG_NETWORK) += noproxy
-TOOLS = aviocat \
+TOOLS = asfinfo \
+ aviocat \
ismindex \
pktdumper \
probetest \
diff --git a/tools/asfinfo.c b/tools/asfinfo.c
new file mode 100644
index 0000000..14d0d6d
--- /dev/null
+++ b/tools/asfinfo.c
@@ -0,0 +1,533 @@
+/*
+ * Copyright (c) 2014 Alexandra Hajkova
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+
+#include <ctype.h>
+#include <errno.h>
+#include <limits.h>
+#include <math.h>
+#include <signal.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "libavutil/avstring.h"
+
+#include "libavformat/asf.h"
+#include "libavformat/avformat.h"
+
+#define ASF_TYPE_AUDIO 0x2
+#define ASF_TYPE_VIDEO 0x1
+#define ASF_STREAM_NUM 0x7F
+#define ASF_ERROR_CORRECTION_LENGTH_TYPE 0x60
+#define ASF_NUM_OF_PAYLOADS 0x3F
+
+static const char *filename;
+static const char program_name[] = "asfinfo";
+static const int program_birth_year = 2014;
+
+static unsigned char GUID[16]; //128-bit
+
+typedef struct guids {
+ char name[100];
+ char num[16];
+ int (*read_object)(AVIOContext*, struct guids*, int64_t);
+} guids;
+
+typedef struct data_properties {
+ uint64_t num_of_packets;
+ uint32_t packet_size;
+} data_properties;
+
+static data_properties *datap = NULL;
+
+static void guidfix(unsigned char GUID[16])
+{
+ unsigned char c;
+ c = GUID[0]; GUID[0] = GUID[3]; GUID[3] = c;
+ c = GUID[1]; GUID[1] = GUID[2]; GUID[2] = c;
+ c = GUID[4]; GUID[4] = GUID[5]; GUID[5] = c;
+ c = GUID[6]; GUID[6] = GUID[7]; GUID[7] = c;
+}
+
+static void show_usage(void)
+{
+ printf("ASF file format viewer\n");
+ printf("usage: %s input_file\n", program_name);
+ printf("\n");
+}
+
+static void print_object_size(uint64_t size, char *info)
+{
+ if (size)
+ printf("%s: %"PRIu64" bytes\n", info, size);
+ else
+ printf(" Error while reading object size\n");
+}
+
+static uint64_t read_obj_size(AVIOContext *pb, guids *g, int64_t offset)
+{
+ uint64_t size;
+ int ret = 0;
+
+ if (g->name) {
+ if (!memcmp(g->name, "Header", 6) || !memcmp(g->name, "Data", 4) ||
+ !memcmp(g->name, "Index", 5) || !memcmp(g->name, "Simple Index",
12) ||
+ !memcmp(g->name, "Media Object Index", 18) || !memcmp(g->name,
"Timecode Index", 14)) {
+ printf("ASF %s Object, position: %"PRId64" bytes\n", g->name,
offset);
+ size = avio_rl64(pb);
+ print_object_size(size, " Object size");
+
+ return size;
+ } else {
+ printf(" ASF %s Object, position: %"PRId64" bytes\n", g->name,
offset);
+ size = avio_rl64(pb);
+ print_object_size(size, " Object size");
+
+ return size;
+ }
+ } else
+ printf("Unknown object, position: %"PRId64" bytes\n", offset);
+ size = avio_rl64(pb);
+ print_object_size(size, " Object size");
+
+ return size;
+}
+
+static void check_position(AVIOContext *pb, int64_t offset, uint64_t size)
+{
+
+ if (avio_tell(pb) != (offset + size)) {
+ printf("Error! Expected position %"PRIu64", got %"PRIu64". Seeking to
the expected postition.\n",
+ offset + size, avio_tell(pb));
+ avio_seek(pb, offset + size, SEEK_SET);
+ }
+}
+
+static int read_header(AVIOContext *pb, guids *g, int64_t offset)
+{
+ uint64_t size = read_obj_size(pb, g, offset);
+ avio_skip(pb, 6);
+
+ return 0;
+}
+
+static read_metadata(AVIOContext *pb, const char *title, uint16_t len,
unsigned char *ch, uint16_t max_len)
+{
+ printf(" %s: ", title);
+ memset(ch, 0, max_len);
+ avio_get_str16le(pb, len * sizeof(*ch), ch, len * sizeof(*ch));
+ printf(" %s\n", ch);
+
+ return 0;
+}
+
+static int read_content(AVIOContext *pb, guids *g, int64_t offset)
+{
+ int i;
+ uint16_t len[5], max_len = 0;
+ const char *titles[] = { "Title", "Author", "Copyright", "Description",
"Rate" };
+ unsigned char *ch;
+ uint64_t size = read_obj_size(pb, g, offset);
+
+ for (i = 0; i < 5; i++) {
+ len[i] = avio_rl16(pb);
+ max_len = FFMAX(max_len, len[i]);
+ }
+ ch = av_mallocz(max_len * sizeof(*ch));
+ if (!ch)
+ return(AVERROR(ENOMEM));
+ for (i = 0; i < 5; i++)
+ read_metadata(pb, titles[i], len[i], ch, max_len);
+
+ av_free(ch);
+ check_position(pb, offset, size);
+
+ return 0;
+}
+
+static int read_unknown(AVIOContext *pb, guids *g, int64_t offset)
+{
+ uint64_t size = read_obj_size(pb, g, offset);
+
+ avio_skip(pb, size - 24);
+
+ return 0;
+}
+
+// modified GET_STR16 from aviobuf
+static int get_asf_unicode(AVIOContext *pb, int maxlen, char *buf, int buflen)
+{
+ char* q = buf;
+ int ret = 0;
+ if (buflen <= 0)
+ return AVERROR(EINVAL);
+ while (ret + 1 < maxlen) {
+ uint8_t tmp;
+ uint32_t ch;
+ GET_UTF16(ch, (ret += 2) <= maxlen ? avio_rl16(pb) : 0, break;)
+ PUT_UTF8(ch, tmp, if (q - buf < buflen - 1) *q++ = tmp;)\
+ }
+ *q = 0;
+ return ret;
+}
+
+static void read_unicode(AVIOContext *pb, char *info)
+{
+ uint16_t len;
+ int ret;
+
+ if (len = avio_rl16(pb)) {
+ unsigned char *name;
+ len *= 2; // len is number of unicode characters - 2 bytes for each
char
+ name = av_mallocz(len);
+ if (!name)
+ return AVERROR(ENOMEM);
+ ret = get_asf_unicode(pb, len, name, len);
+ printf(" %s: %s\n", info, name);
+ av_free(name);
+ }
+}
+
+static int read_codec_list(AVIOContext *pb, guids *g, int64_t offset)
+{
+ int i, ret;
+ uint16_t len, type;
+ uint64_t size;
+ uint32_t n_codecs;
+
+ size = read_obj_size(pb, g, offset);
+ avio_skip(pb, sizeof(GUID)); // skip field reserved for guid
+ n_codecs = avio_rl32(pb);
+ for (i = 0; i < n_codecs; i++) {
+ type = avio_rl16(pb);
+ if (type == ASF_TYPE_VIDEO)
+ printf(" Codec type: Video codec\n");
+ else if (type == ASF_TYPE_AUDIO)
+ printf(" Codec type: Audio codec\n");
+ else
+ printf(" Codec type: Unknown codec\n");
+ read_unicode(pb, "Codec name");
+ read_unicode(pb, "Codec description");
+ if (len = avio_rl16(pb)) {
+ unsigned char *in;
+ in = av_mallocz(len);
+ if (!in)
+ return AVERROR(ENOMEM);
+ ret = avio_read(pb, in, len);
+ printf(" Codec information: %02X\n", in);
+ av_free(in);
+ }
+ }
+ check_position(pb, offset, size);
+
+ return 0;
+}
+
+static int read_properties(AVIOContext *pb, guids *g, int64_t offset)
+{
+ uint64_t size, num_of_packets;
+ uint32_t flags, min_packet_size, max_packet_size, max_bitrate;
+
+ size = read_obj_size(pb, g, offset);
+ avio_skip(pb, 16); // skip File ID
+ size = avio_rl64(pb); //File size
+ avio_skip(pb, 8); // skip creation date
+ num_of_packets = avio_rl64(pb);
+ avio_skip(pb, 24); //skip play and send duration, preroll
+ flags = avio_rl32(pb);
+ min_packet_size = avio_rl32(pb);
+ max_packet_size = avio_rl32(pb);
+ max_bitrate = avio_rl32(pb);
+ printf(" File size %"PRId64", number of packets %"PRId64", min packet
size %"PRId32", max packet size %"PRId32", max bitrate %"PRId32"\n",
+ size, num_of_packets, min_packet_size, max_packet_size,
max_bitrate);
+ datap->num_of_packets = num_of_packets;
+ datap->packet_size = max_packet_size;
+
+ return 0;
+}
+
+#define read_length(flag, name, len) \
+ do { \
+ if (flag == name ## IS_BYTE) \
+ len = avio_r8(pb); \
+ else if (flag == name ## IS_WORD) \
+ len = avio_rl16(pb); \
+ else if (flag == name ## IS_DWORD) \
+ len = avio_rl32(pb); \
+ else \
+ len = 0; \
+ } while(0)
+
+static void read_subpayload(AVIOContext *pb, int64_t offset, uint32_t pad_len,
int mult_payload)
+{
+ unsigned char sub_len;
+ uint16_t len;
+ int64_t sub_offset, sub;
+
+ printf(" Sub-Payloads present.\n");
+ avio_skip(pb, 1); // skip presentation time delta
+ if (mult_payload)
+ len = avio_rl16(pb); // total
+ sub = avio_tell(pb);
+ do {
+ sub_len = avio_r8(pb);
+ sub_offset = avio_tell(pb);
+ printf(" Sub-Payload at position %"PRIu64" of length %d\n",
+ sub_offset, sub_len);
+ avio_skip(pb, sub_len);
+ if (mult_payload && (avio_tell(pb) >= (sub + len)))
+ break;
+ } while (sub_offset < (offset + datap->packet_size - pad_len));
+ if (!mult_payload)
+ avio_skip(pb, pad_len);
+}
+
+static int read_payload(AVIOContext *pb, int64_t offset, unsigned char flags,
+ int multiple_payload, uint32_t pad_len)
+{
+ unsigned char stream_num;
+ uint64_t size, off2;
+ uint32_t rep_len, off_len, media_len;
+ uint16_t pay_len;
+ int sub_offset;
+
+ stream_num = avio_r8(pb);
+ stream_num &= ASF_STREAM_NUM;
+ read_length((flags & ASF_PL_MASK_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_SIZE),
+ ASF_PL_FLAG_MEDIA_OBJECT_NUMBER_LENGTH_FIELD_, media_len);
+ read_length((flags &
ASF_PL_MASK_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_SIZE),
+ ASF_PL_FLAG_OFFSET_INTO_MEDIA_OBJECT_LENGTH_FIELD_, off_len);
+ read_length((flags & ASF_PL_MASK_REPLICATED_DATA_LENGTH_FIELD_SIZE),
+ ASF_PL_FLAG_REPLICATED_DATA_LENGTH_FIELD_, rep_len);
+ if (multiple_payload) {
+ if (rep_len == 1)
+ read_subpayload(pb, offset, pad_len, 1);
+ else {
+ avio_skip(pb, rep_len); // skip replicated data
+ pay_len = avio_rl16(pb); // payload length should be WORD
+ off2 = avio_tell(pb);
+ printf(" packet for stream #%d of size %"PRIu64" at position
%"PRId64"\n",
+ stream_num, pay_len, off2);
+ if (pay_len > datap->packet_size) {
+ printf(" Error: invalid data packet size.\n");
+ av_free(datap);
+ return AVERROR_INVALIDDATA;
+ }
+ avio_skip(pb, pay_len);
+ }
+ } else if (rep_len == 1) {
+ read_subpayload(pb, offset, pad_len, 0);
+ } else {
+ off2 = avio_tell(pb);
+ // packet size without header, can cointain replicated data or
presentaion time delta before payload
+ // and padding after it
+ size = datap->packet_size - off2 + offset;
+ if (size > datap->packet_size) {
+ printf(" Error: invalid data packet size %"PRIu64" bytes.\n",
size);
+ av_free(datap);
+ return AVERROR_INVALIDDATA;
+ }
+ printf(" packet for stream #%d of size %"PRIu64" at position
%"PRId64"\n", stream_num, size, off2);
+ avio_skip(pb, size); // skip payload
+ }
+ return 0;
+}
+
+static int read_data(AVIOContext *pb, guids *g, int64_t offset)
+{
+ int ret, i, off2, off3;
+ uint64_t size;
+ uint32_t packet_len, seq, pad_len, pts;
+ uint16_t duration;
+ unsigned char GUID[16], error_flags, len_flags, pay_flags, property_flags;
+
+ size = read_obj_size(pb, g, offset);
+ ret = avio_read(pb, GUID, sizeof(GUID));
+ if (ret) {
+ printf(" File ID ");
+ for (i = 0; i < 16; i++)
+ printf("%1.2X", GUID[i]);
+ }
+ printf("\n");
+ size = avio_rl64(pb);
+ printf(" Number of Data packets %"PRIu64"\n", size);
+ avio_skip(pb, 2); // skip reserved field
+ for (i = 0; i < datap->num_of_packets; i++) {
+ offset = avio_tell(pb);
+ error_flags = avio_r8(pb); // read Error Correction Flags
+ if (error_flags & ASF_PACKET_FLAG_ERROR_CORRECTION_PRESENT)
+ if (!(error_flags & ASF_ERROR_CORRECTION_LENGTH_TYPE)) {
+ size = error_flags & ASF_PACKET_ERROR_CORRECTION_DATA_SIZE;
+ avio_skip(pb, size);
+ }
+ len_flags = avio_r8(pb);
+ property_flags = avio_r8(pb);
+ read_length((len_flags & ASF_PPI_MASK_PACKET_LENGTH_FIELD_SIZE),
+ ASF_PPI_FLAG_PACKET_LENGTH_FIELD_, packet_len);
+ read_length((len_flags & ASF_PPI_MASK_SEQUENCE_FIELD_SIZE),
+ ASF_PPI_FLAG_SEQUENCE_FIELD_, seq);
+ read_length((len_flags & ASF_PPI_MASK_PADDING_LENGTH_FIELD_SIZE),
+ ASF_PPI_FLAG_PADDING_LENGTH_FIELD_, pad_len );
+ pts = avio_rl32(pb);
+ duration = avio_rl16(pb);
+ off2 = avio_tell(pb);
+ if (len_flags & ASF_PPI_FLAG_MULTIPLE_PAYLOADS_PRESENT) { // Multiple
Payloads present
+ int j, num; // number of payloads
+ pay_flags = avio_r8(pb);
+ num = pay_flags & ASF_NUM_OF_PAYLOADS;
+ printf("Multiple payload at one packet present: %d payloads\n",
num);
+ for (j = 0; j < num; j++)
+ if ((ret = read_payload(pb, offset, property_flags, 1,
pad_len)) < 0)
+ return ret;
+ avio_skip(pb, pad_len);
+ } else
+ if ((ret = read_payload(pb, offset, property_flags, 0, pad_len)) <
0)
+ return ret;
+ }
+ return 0;
+}
+
+const guids gdef[] = {
+ {"Header", {0x75, 0xB2, 0x26, 0x30, 0x66, 0x8E,
0x11, 0xCF, 0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}, read_header},
+ {"Data", {0x75, 0xB2, 0x26, 0x36, 0x66, 0x8E,
0x11, 0xCF, 0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}, read_data},
+ {"Simple Index", {0x33, 0x00, 0x08, 0x90, 0xE5, 0xB1,
0x11, 0xCF, 0x89, 0xF4, 0x00, 0xA0, 0xC9, 0x03, 0x49, 0xCB}, read_unknown},
+ {"Content Description", {0x75, 0xB2, 0x26, 0x33, 0x66 ,0x8E,
0x11, 0xCF, 0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}, read_content},
+ {"Extended Content Description", {0xD2, 0xD0, 0xA4, 0x40, 0xE3, 0x07,
0x11, 0xD2, 0x97, 0xF0, 0x00, 0xA0, 0xC9, 0x5e, 0xA8, 0x50}, read_unknown},
+ {"Stream Bitrate Properties", {0x7B, 0xF8, 0x75, 0xCE, 0x46, 0x8D,
0x11, 0xD1, 0x8D, 0x82, 0x00, 0x60, 0x97, 0xC9, 0xA2, 0xB2}, read_unknown},
+ {"File Properties", {0x8C, 0xAB, 0xDC, 0xA1, 0xA9, 0x47,
0x11, 0xCF, 0x8E, 0xE4, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}, read_properties},
+ {"Header Extension", {0x5F, 0xBF, 0x03, 0xB5, 0xA9, 0x2E,
0x11, 0xCF, 0x8E, 0xE3, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}, read_unknown},
+ {"Stream Properties", {0xB7, 0xDC, 0x07, 0x91, 0xA9, 0xB7,
0x11, 0xCF, 0x8E, 0xE6, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}, read_unknown},
+ {"Codec List", {0x86, 0xD1, 0x52, 0x40, 0x31, 0x1D,
0x11, 0xD0, 0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}, read_codec_list},
+ {"Marker", {0xF4, 0x87, 0xCD, 0x01, 0xA9, 0x51,
0x11, 0xCF, 0x8E, 0xE6, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}, read_unknown},
+ {"Script Command", {0x1E, 0xFB, 0x1A, 0x30, 0x0B, 0x62,
0x11, 0xD0, 0xA3, 0x9B, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}, read_unknown},
+ {"Language List", {0x7C, 0x43, 0x46, 0xa9, 0xef, 0xe0,
0x4B, 0xFC, 0xB2, 0x29, 0x39, 0x3e, 0xde, 0x41, 0x5c, 0x85}, read_unknown},
+ {"Padding", {0x18, 0x06, 0xD4, 0x74, 0xCA, 0xDF,
0x45, 0x09, 0xA4, 0xBA, 0x9A, 0xAB, 0xCB, 0x96, 0xAA, 0xE8}, read_unknown},
+ {"DRMv1 Header", {0x22, 0x11, 0xB3, 0xFB, 0xBD, 0x23,
0x11, 0xD2, 0xB4, 0xB7, 0x00, 0xA0, 0xC9, 0x55, 0xFC, 0x6E}, read_unknown},
+ {"DRMv2 Header", {0x29, 0x8A, 0xE6, 0x14, 0x26, 0x22,
0x4C, 0x17, 0xB9, 0x35, 0xDA, 0xE0, 0x7E, 0xE9, 0x28, 0x9c}, read_unknown},
+ {"Index", {0xD6, 0xE2, 0x29, 0xD3, 0x35, 0xDA,
0x11, 0xD1, 0x90, 0x34, 0x00, 0xA0, 0xC9, 0x03, 0x49, 0xBE}, read_unknown},
+ {"Media Object Index", {0xFE, 0xB1, 0x03, 0xF8, 0x12, 0xAD,
0x4C, 0x64, 0x84, 0x0F, 0x2A, 0x1D, 0x2F, 0x7A, 0xD4, 0x8C}, read_unknown},
+ {"Timecode Index", {0x3C, 0xB7, 0x3F, 0xD0, 0x0C, 0x4A,
0x48, 0x03, 0x95, 0x3D, 0xED, 0xF7, 0xB6, 0x22, 0x8F, 0x0C}, read_unknown},
+ {"Bitrate_Mutual_Exclusion", {0xD6, 0xE2, 0x29, 0xDC, 0x35, 0xDA,
0x11, 0xD1, 0x90, 0x34, 0x00, 0xA0, 0xC9, 0x03, 0x49, 0xBE}, read_unknown},
+ {"Error Correction", {0x75, 0xB2, 0x26, 0x35, 0x66, 0x8E,
0x11, 0xCF, 0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}, read_unknown},
+ {"Content Branding", {0x22, 0x11, 0xB3, 0xFA, 0xBD, 0x23,
0x11, 0xD2, 0xB4, 0xB7, 0x00, 0xA0, 0xC9, 0x55, 0xFC, 0x6E}, read_unknown},
+ {"Content Encryption", {0x22, 0x11, 0xB3, 0xFB, 0xBD, 0x23,
0x11, 0xD2, 0xB4, 0xB7, 0x00, 0xA0, 0xC9, 0x55, 0xFC, 0x6E}, read_unknown},
+ {"Extended Content Encryption", {0x29, 0x8A, 0xE6, 0x14, 0x26, 0x22,
0x4C, 0x17, 0xB9, 0x35, 0xDA, 0xE0, 0x7E, 0xE9, 0x28, 0x9C}, read_unknown},
+ {"Digital Signature", {0x22, 0x11, 0xB3, 0xFC, 0xBD, 0x23,
0x11, 0xD2, 0xB4, 0xB7, 0x00, 0xA0, 0xC9, 0x55, 0xFC, 0x6E}, read_unknown},
+ {"Extended Stream Properties", {0x14, 0xE6, 0xA5, 0xCB, 0xC6, 0x72,
0x43, 0x32, 0x83, 0x99, 0xA9, 0x69, 0x52, 0x06, 0x5B, 0x5A}, read_unknown},
+ {"Advanced Mutual Exclusion", {0xA0, 0x86, 0x49, 0xCF, 0x47, 0x75,
0x46, 0x70, 0x8A, 0x16, 0x6E, 0x35, 0x35, 0x75, 0x66, 0xCD}, read_unknown},
+ {"Group Mutual Exclusion", {0xD1, 0x46, 0x5A, 0x40, 0x5A, 0x79,
0x43, 0x38, 0xB7, 0x1B, 0xE3, 0x6B, 0x8F, 0xD6, 0xC2, 0x49}, read_unknown},
+ {"Stream Prioritization", {0xD4, 0xFE, 0xD1, 0x5B, 0x88, 0xD3,
0x45, 0x4F, 0x81, 0xF0, 0xED, 0x5C, 0x45, 0x99, 0x9E, 0x24}, read_unknown},
+ {"Bandwidth Sharing Object", {0xA6, 0x96, 0x09, 0xE6, 0x51, 0x7B,
0x11, 0xD2, 0xB6, 0xAF, 0x00, 0xC0, 0x4F, 0xD9, 0x08, 0xE9}, read_unknown},
+ {"Metadata", {0xC5, 0xF8, 0xCB, 0xEA, 0x5B, 0xAF,
0x48, 0x77, 0x84, 0x67, 0xAA, 0x8C, 0x44, 0xFA, 0x4C, 0xCA}, read_unknown},
+ {"Audio Spread", {0xBF, 0xC3, 0xCD, 0x50, 0x61, 0x8F,
0x11, 0xCF, 0x8B, 0xB2, 0x00, 0xAA, 0x00, 0xB4, 0xE2, 0x20}, read_unknown},
+ {"Content Encryption System Windows Media DRM Network Devices",
+ {0x7A, 0x07, 0x9B, 0xB6, 0xDA, 0XA4,
0x4e, 0x12, 0xA5, 0xCA, 0x91, 0xD3, 0x8D, 0xC1, 0x1A, 0x8D}, read_unknown},
+ {"Mutex Language", {0xD6, 0xE2, 0x2A, 0x00, 0x25, 0xDA,
0x11, 0xD1, 0x90, 0x34, 0x00, 0xA0, 0xC9, 0x03, 0x49, 0xBE}, read_unknown},
+ {"Mutex Bitrate", {0xD6, 0xE2, 0x2A, 0x01, 0x25, 0xDA,
0x11, 0xD1, 0x90, 0x34, 0x00, 0xA0, 0xC9, 0x03, 0x49, 0xBE}, read_unknown},
+ {"Mutex Unknown", {0xD6, 0xE2, 0x2A, 0x02, 0x25, 0xDA,
0x11, 0xD1, 0x90, 0x34, 0x00, 0xA0, 0xC9, 0x03, 0x49, 0xBE}, read_unknown},
+ {"Bandwith Sharing Exclusive", {0xAF, 0x60, 0x60, 0xAA, 0x51, 0x97,
0x11, 0xD2, 0xB6, 0xAF, 0x00, 0xC0, 0x4F, 0xD9, 0x08, 0xE9}, read_unknown},
+ {"Bandwith Sharing Partial", {0xAF, 0x60, 0x60, 0xAB, 0x51, 0x97,
0x11, 0xD2, 0xB6, 0xAF, 0x00, 0xC0, 0x4F, 0xD9, 0x08, 0xE9}, read_unknown},
+ {"Payload Extension System Timecode", {0x39, 0x95, 0x95, 0xEC, 0x86, 0x67,
0x4E, 0x2D, 0x8F, 0xDB, 0x98, 0x81, 0x4C, 0xE7, 0x6C, 0x1E}, read_unknown},
+ {"Payload Extension System File Name", {0xE1, 0x65, 0xEC, 0x0E, 0x19,
0xED, 0x45, 0xD7, 0xB4, 0xA7, 0x25, 0xCB, 0xD1, 0xE2, 0x8E, 0x9B},
read_unknown},
+ {"Payload Extension System Content Type", {0xD5, 0x90, 0xDC, 0x20, 0x07,
0xBC, 0x43, 0x6C, 0x9C, 0xF7, 0xF3, 0xBB, 0xFB, 0xF1, 0xA4, 0xDC},
read_unknown},
+ {"Payload Extension System Pixel Aspect Ratio", {0x1, 0x1E, 0xE5, 0x54,
0xF9, 0xEA, 0x4B, 0xC8, 0x82, 0x1A, 0x37, 0x6B, 0x74, 0xE4, 0xC4, 0xB8},
read_unknown},
+ {"Payload Extension System Sample Duration", {0xC6, 0xBD, 0x94, 0x50,
0x86, 0x7F, 0x49, 0x07, 0x83, 0xA3, 0xC7, 0x79, 0x21, 0xB7, 0x33, 0xAD},
read_unknown},
+ {"Payload Extension System Encryption Sample ID", {0x66, 0x98, 0xB8, 0x4E,
0x0A, 0xFA, 0x43, 0x30, 0xAE, 0xB2, 0x1C, 0x0A, 0x98, 0xD7, 0xA4, 0x4D},
read_unknown},
+ {"Payload Extension System Degradable JPEG", {0x00, 0xE1, 0xAF, 0x06,
0x7B, 0xEC, 0x11, 0xD1, 0xA5, 0x82, 0x00, 0xC0, 0x4F, 0xC2, 0x9C, 0xFB},
read_unknown},
+
+};
+
+static guids *find_guid(unsigned char *guid, guids *g)
+{
+ int j, ret;
+
+ g = gdef;
+ for (j = 0; j < FF_ARRAY_ELEMS(g->num); j++) {
+ if (!(ret = memcmp(guid, g->num, sizeof(g->num))))
+ return g;
+ g++;
+ }
+ return NULL;
+}
+
+int main(int argc, char **argv)
+{
+ AVIOContext *pb;
+ guids *g = NULL;
+ unsigned char GUID[16], GUID2[16];
+ char *buf;
+ int ret, i;
+ int64_t offset, off2, off3;
+
+ filename = argv[1];
+ if (!filename) {
+ show_usage();
+ fprintf(stderr, "An input file must be specified\n");
+ exit(1);
+ }
+ av_register_all();
+ buf = av_mallocz(16 * sizeof(*buf));
+ if (!buf)
+ return AVERROR(ENOMEM);
+ if ((ret = avio_open(&pb, filename, AVIO_FLAG_READ)) < 0) {
+ av_log(NULL, AV_LOG_ERROR, "%s\n", filename);
+ avio_close(pb);
+ exit(1);
+ }
+ datap = av_mallocz(sizeof(*datap));
+ if (!datap)
+ return AVERROR(ENOMEM);
+ while (1) {
+ offset = avio_tell(pb);
+ //printf("position of the object: %d bytes\n", offset);
+ if (ret = avio_read(pb, GUID, sizeof(GUID)) < 0) {
+ if (ret == AVERROR(EOF))
+ break;
+ if (ret < 0) {
+ printf("error\n");
+ continue;
+ }
+ }
+ memcpy(GUID2, GUID, 16);
+ guidfix(GUID);
+ g = find_guid(GUID, g);
+ if (g) {
+ for (i = 0; i < 16; i++)
+ printf("%1.2X", GUID2[i]);
+ printf("\n");
+ if ((ret = g->read_object(pb, g, offset)) < 0) {
+ av_free(datap);
+ av_free(buf);
+ avio_close(pb);
+ return ret;
+ }
+ }
+ }
+ for (i = 0; i < 16; i++)
+ printf("%1.2X", GUID2[i]);
+ printf("\n");
+ printf("position %d\n", avio_tell(pb));
+ av_free(datap);
+ av_free(buf);
+ avio_close(pb);
+ return 0;
+}
--
2.0.0.rc0
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