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-rw-r--r--stream/realrtsp/rmff.c907
1 files changed, 907 insertions, 0 deletions
diff --git a/stream/realrtsp/rmff.c b/stream/realrtsp/rmff.c
new file mode 100644
index 0000000000..fc2e469391
--- /dev/null
+++ b/stream/realrtsp/rmff.c
@@ -0,0 +1,907 @@
+/*
+ * This file was ported to MPlayer from xine CVS rmff.c,v 1.3 2002/12/24 01:30:22
+ */
+
+/*
+ * Copyright (C) 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
+ *
+ *
+ * functions for real media file format
+ * adopted from joschkas real tools
+ */
+
+#include "rmff.h"
+#include "xbuffer.h"
+
+/*
+#define LOG
+*/
+
+#define BE_16(x) ((((uint8_t*)(x))[0] << 8) | ((uint8_t*)(x))[1])
+#define BE_32(x) ((((uint8_t*)(x))[0] << 24) | \
+ (((uint8_t*)(x))[1] << 16) | \
+ (((uint8_t*)(x))[2] << 8) | \
+ ((uint8_t*)(x))[3])
+
+static void hexdump (const char *buf, int length) {
+
+ int i;
+
+ printf ("rmff: ascii>");
+ for (i = 0; i < length; i++) {
+ unsigned char c = buf[i];
+
+ if ((c >= 32) && (c <= 128))
+ printf ("%c", c);
+ else
+ printf (".");
+ }
+ printf ("\n");
+
+ printf ("rmff: hexdump> ");
+ for (i = 0; i < length; i++) {
+ unsigned char c = buf[i];
+
+ printf ("%02x", c);
+
+ if ((i % 16) == 15)
+ printf ("\nrmff: ");
+
+ if ((i % 2) == 1)
+ printf (" ");
+
+ }
+ printf ("\n");
+}
+
+/*
+ * writes header data to a buffer
+ */
+
+static void rmff_dump_fileheader(rmff_fileheader_t *fileheader, char *buffer) {
+
+ if (!fileheader) return;
+ fileheader->object_id=BE_32(&fileheader->object_id);
+ fileheader->size=BE_32(&fileheader->size);
+ fileheader->object_version=BE_16(&fileheader->object_version);
+ fileheader->file_version=BE_32(&fileheader->file_version);
+ fileheader->num_headers=BE_32(&fileheader->num_headers);
+
+ memcpy(buffer, fileheader, 8);
+ memcpy(&buffer[8], &fileheader->object_version, 2);
+ memcpy(&buffer[10], &fileheader->file_version, 8);
+
+ fileheader->size=BE_32(&fileheader->size);
+ fileheader->object_version=BE_16(&fileheader->object_version);
+ fileheader->file_version=BE_32(&fileheader->file_version);
+ fileheader->num_headers=BE_32(&fileheader->num_headers);
+ fileheader->object_id=BE_32(&fileheader->object_id);
+}
+
+static void rmff_dump_prop(rmff_prop_t *prop, char *buffer) {
+
+ if (!prop) return;
+ prop->object_id=BE_32(&prop->object_id);
+ prop->size=BE_32(&prop->size);
+ prop->object_version=BE_16(&prop->object_version);
+ prop->max_bit_rate=BE_32(&prop->max_bit_rate);
+ prop->avg_bit_rate=BE_32(&prop->avg_bit_rate);
+ prop->max_packet_size=BE_32(&prop->max_packet_size);
+ prop->avg_packet_size=BE_32(&prop->avg_packet_size);
+ prop->num_packets=BE_32(&prop->num_packets);
+ prop->duration=BE_32(&prop->duration);
+ prop->preroll=BE_32(&prop->preroll);
+ prop->index_offset=BE_32(&prop->index_offset);
+ prop->data_offset=BE_32(&prop->data_offset);
+ prop->num_streams=BE_16(&prop->num_streams);
+ prop->flags=BE_16(&prop->flags);
+
+ memcpy(buffer, prop, 8);
+ memcpy(&buffer[8], &prop->object_version, 2);
+ memcpy(&buffer[10], &prop->max_bit_rate, 36);
+ memcpy(&buffer[46], &prop->num_streams, 2);
+ memcpy(&buffer[48], &prop->flags, 2);
+
+ prop->size=BE_32(&prop->size);
+ prop->object_version=BE_16(&prop->object_version);
+ prop->max_bit_rate=BE_32(&prop->max_bit_rate);
+ prop->avg_bit_rate=BE_32(&prop->avg_bit_rate);
+ prop->max_packet_size=BE_32(&prop->max_packet_size);
+ prop->avg_packet_size=BE_32(&prop->avg_packet_size);
+ prop->num_packets=BE_32(&prop->num_packets);
+ prop->duration=BE_32(&prop->duration);
+ prop->preroll=BE_32(&prop->preroll);
+ prop->index_offset=BE_32(&prop->index_offset);
+ prop->data_offset=BE_32(&prop->data_offset);
+ prop->num_streams=BE_16(&prop->num_streams);
+ prop->flags=BE_16(&prop->flags);
+ prop->object_id=BE_32(&prop->object_id);
+}
+
+static void rmff_dump_mdpr(rmff_mdpr_t *mdpr, char *buffer) {
+
+ int s1, s2, s3;
+
+ if (!mdpr) return;
+ mdpr->object_id=BE_32(&mdpr->object_id);
+ mdpr->size=BE_32(&mdpr->size);
+ mdpr->object_version=BE_16(&mdpr->object_version);
+ mdpr->stream_number=BE_16(&mdpr->stream_number);
+ mdpr->max_bit_rate=BE_32(&mdpr->max_bit_rate);
+ mdpr->avg_bit_rate=BE_32(&mdpr->avg_bit_rate);
+ mdpr->max_packet_size=BE_32(&mdpr->max_packet_size);
+ mdpr->avg_packet_size=BE_32(&mdpr->avg_packet_size);
+ mdpr->start_time=BE_32(&mdpr->start_time);
+ mdpr->preroll=BE_32(&mdpr->preroll);
+ mdpr->duration=BE_32(&mdpr->duration);
+
+ memcpy(buffer, mdpr, 8);
+ memcpy(&buffer[8], &mdpr->object_version, 2);
+ memcpy(&buffer[10], &mdpr->stream_number, 2);
+ memcpy(&buffer[12], &mdpr->max_bit_rate, 28);
+ memcpy(&buffer[40], &mdpr->stream_name_size, 1);
+ s1=mdpr->stream_name_size;
+ memcpy(&buffer[41], mdpr->stream_name, s1);
+
+ memcpy(&buffer[41+s1], &mdpr->mime_type_size, 1);
+ s2=mdpr->mime_type_size;
+ memcpy(&buffer[42+s1], mdpr->mime_type, s2);
+
+ mdpr->type_specific_len=BE_32(&mdpr->type_specific_len);
+ memcpy(&buffer[42+s1+s2], &mdpr->type_specific_len, 4);
+ mdpr->type_specific_len=BE_32(&mdpr->type_specific_len);
+ s3=mdpr->type_specific_len;
+ memcpy(&buffer[46+s1+s2], mdpr->type_specific_data, s3);
+
+ mdpr->size=BE_32(&mdpr->size);
+ mdpr->stream_number=BE_16(&mdpr->stream_number);
+ mdpr->max_bit_rate=BE_32(&mdpr->max_bit_rate);
+ mdpr->avg_bit_rate=BE_32(&mdpr->avg_bit_rate);
+ mdpr->max_packet_size=BE_32(&mdpr->max_packet_size);
+ mdpr->avg_packet_size=BE_32(&mdpr->avg_packet_size);
+ mdpr->start_time=BE_32(&mdpr->start_time);
+ mdpr->preroll=BE_32(&mdpr->preroll);
+ mdpr->duration=BE_32(&mdpr->duration);
+ mdpr->object_id=BE_32(&mdpr->object_id);
+
+}
+
+static void rmff_dump_cont(rmff_cont_t *cont, char *buffer) {
+
+ int p;
+
+ if (!cont) return;
+ cont->object_id=BE_32(&cont->object_id);
+ cont->size=BE_32(&cont->size);
+ cont->object_version=BE_16(&cont->object_version);
+
+ memcpy(buffer, cont, 8);
+ memcpy(&buffer[8], &cont->object_version, 2);
+
+ cont->title_len=BE_16(&cont->title_len);
+ memcpy(&buffer[10], &cont->title_len, 2);
+ cont->title_len=BE_16(&cont->title_len);
+ memcpy(&buffer[12], cont->title, cont->title_len);
+ p=12+cont->title_len;
+
+ cont->author_len=BE_16(&cont->author_len);
+ memcpy(&buffer[p], &cont->author_len, 2);
+ cont->author_len=BE_16(&cont->author_len);
+ memcpy(&buffer[p+2], cont->author, cont->author_len);
+ p+=2+cont->author_len;
+
+ cont->copyright_len=BE_16(&cont->copyright_len);
+ memcpy(&buffer[p], &cont->copyright_len, 2);
+ cont->copyright_len=BE_16(&cont->copyright_len);
+ memcpy(&buffer[p+2], cont->copyright, cont->copyright_len);
+ p+=2+cont->copyright_len;
+
+ cont->comment_len=BE_16(&cont->comment_len);
+ memcpy(&buffer[p], &cont->comment_len, 2);
+ cont->comment_len=BE_16(&cont->comment_len);
+ memcpy(&buffer[p+2], cont->comment, cont->comment_len);
+
+ cont->size=BE_32(&cont->size);
+ cont->object_version=BE_16(&cont->object_version);
+ cont->object_id=BE_32(&cont->object_id);
+}
+
+static void rmff_dump_dataheader(rmff_data_t *data, char *buffer) {
+
+ if (!data) return;
+ data->object_id=BE_32(&data->object_id);
+ data->size=BE_32(&data->size);
+ data->object_version=BE_16(&data->object_version);
+ data->num_packets=BE_32(&data->num_packets);
+ data->next_data_header=BE_32(&data->next_data_header);
+
+ memcpy(buffer, data, 8);
+ memcpy(&buffer[8], &data->object_version, 2);
+ memcpy(&buffer[10], &data->num_packets, 8);
+
+ data->num_packets=BE_32(&data->num_packets);
+ data->next_data_header=BE_32(&data->next_data_header);
+ data->size=BE_32(&data->size);
+ data->object_version=BE_16(&data->object_version);
+ data->object_id=BE_32(&data->object_id);
+}
+
+int rmff_dump_header(rmff_header_t *h, char *buffer, int max) {
+
+ int written=0;
+ rmff_mdpr_t **stream=h->streams;
+
+ rmff_dump_fileheader(h->fileheader, &buffer[written]);
+ written+=h->fileheader->size;
+ rmff_dump_prop(h->prop, &buffer[written]);
+ written+=h->prop->size;
+ rmff_dump_cont(h->cont, &buffer[written]);
+ written+=h->cont->size;
+ if (stream)
+ {
+ while(*stream)
+ {
+ rmff_dump_mdpr(*stream, &buffer[written]);
+ written+=(*stream)->size;
+ stream++;
+ }
+ }
+
+ rmff_dump_dataheader(h->data, &buffer[written]);
+ written+=18;
+
+ return written;
+}
+
+void rmff_dump_pheader(rmff_pheader_t *h, char *data) {
+
+ data[0]=(h->object_version>>8) & 0xff;
+ data[1]=h->object_version & 0xff;
+ data[2]=(h->length>>8) & 0xff;
+ data[3]=h->length & 0xff;
+ data[4]=(h->stream_number>>8) & 0xff;
+ data[5]=h->stream_number & 0xff;
+ data[6]=(h->timestamp>>24) & 0xff;
+ data[7]=(h->timestamp>>16) & 0xff;
+ data[8]=(h->timestamp>>8) & 0xff;
+ data[9]=h->timestamp & 0xff;
+ data[10]=h->reserved;
+ data[11]=h->flags;
+}
+
+static rmff_fileheader_t *rmff_scan_fileheader(const char *data) {
+
+ rmff_fileheader_t *fileheader=malloc(sizeof(rmff_fileheader_t));
+
+ fileheader->object_id=BE_32(data);
+ fileheader->size=BE_32(&data[4]);
+ fileheader->object_version=BE_16(&data[8]);
+ if (fileheader->object_version != 0)
+ {
+ printf("warning: unknown object version in .RMF: 0x%04x\n",
+ fileheader->object_version);
+ }
+ fileheader->file_version=BE_32(&data[10]);
+ fileheader->num_headers=BE_32(&data[14]);
+
+ return fileheader;
+}
+
+static rmff_prop_t *rmff_scan_prop(const char *data) {
+
+ rmff_prop_t *prop=malloc(sizeof(rmff_prop_t));
+
+ prop->object_id=BE_32(data);
+ prop->size=BE_32(&data[4]);
+ prop->object_version=BE_16(&data[8]);
+ if (prop->object_version != 0)
+ {
+ printf("warning: unknown object version in PROP: 0x%04x\n",
+ prop->object_version);
+ }
+ prop->max_bit_rate=BE_32(&data[10]);
+ prop->avg_bit_rate=BE_32(&data[14]);
+ prop->max_packet_size=BE_32(&data[18]);
+ prop->avg_packet_size=BE_32(&data[22]);
+ prop->num_packets=BE_32(&data[26]);
+ prop->duration=BE_32(&data[30]);
+ prop->preroll=BE_32(&data[34]);
+ prop->index_offset=BE_32(&data[38]);
+ prop->data_offset=BE_32(&data[42]);
+ prop->num_streams=BE_16(&data[46]);
+ prop->flags=BE_16(&data[48]);
+
+ return prop;
+}
+
+static rmff_mdpr_t *rmff_scan_mdpr(const char *data) {
+
+ rmff_mdpr_t *mdpr=malloc(sizeof(rmff_mdpr_t));
+
+ mdpr->object_id=BE_32(data);
+ mdpr->size=BE_32(&data[4]);
+ mdpr->object_version=BE_16(&data[8]);
+ if (mdpr->object_version != 0)
+ {
+ printf("warning: unknown object version in MDPR: 0x%04x\n",
+ mdpr->object_version);
+ }
+ mdpr->stream_number=BE_16(&data[10]);
+ mdpr->max_bit_rate=BE_32(&data[12]);
+ mdpr->avg_bit_rate=BE_32(&data[16]);
+ mdpr->max_packet_size=BE_32(&data[20]);
+ mdpr->avg_packet_size=BE_32(&data[24]);
+ mdpr->start_time=BE_32(&data[28]);
+ mdpr->preroll=BE_32(&data[32]);
+ mdpr->duration=BE_32(&data[36]);
+
+ mdpr->stream_name_size=data[40];
+ mdpr->stream_name=malloc(mdpr->stream_name_size+1);
+ memcpy(mdpr->stream_name, &data[41], mdpr->stream_name_size);
+ mdpr->stream_name[mdpr->stream_name_size]=0;
+
+ mdpr->mime_type_size=data[41+mdpr->stream_name_size];
+ mdpr->mime_type=malloc(mdpr->mime_type_size+1);
+ memcpy(mdpr->mime_type, &data[42+mdpr->stream_name_size], mdpr->mime_type_size);
+ mdpr->mime_type[mdpr->mime_type_size]=0;
+
+ mdpr->type_specific_len=BE_32(&data[42+mdpr->stream_name_size+mdpr->mime_type_size]);
+ mdpr->type_specific_data=malloc(mdpr->type_specific_len);
+ memcpy(mdpr->type_specific_data,
+ &data[46+mdpr->stream_name_size+mdpr->mime_type_size], mdpr->type_specific_len);
+
+ return mdpr;
+}
+
+static rmff_cont_t *rmff_scan_cont(const char *data) {
+
+ rmff_cont_t *cont=malloc(sizeof(rmff_cont_t));
+ int pos;
+
+ cont->object_id=BE_32(data);
+ cont->size=BE_32(&data[4]);
+ cont->object_version=BE_16(&data[8]);
+ if (cont->object_version != 0)
+ {
+ printf("warning: unknown object version in CONT: 0x%04x\n",
+ cont->object_version);
+ }
+ cont->title_len=BE_16(&data[10]);
+ cont->title=malloc(cont->title_len+1);
+ memcpy(cont->title, &data[12], cont->title_len);
+ cont->title[cont->title_len]=0;
+ pos=cont->title_len+12;
+ cont->author_len=BE_16(&data[pos]);
+ cont->author=malloc(cont->author_len+1);
+ memcpy(cont->author, &data[pos+2], cont->author_len);
+ cont->author[cont->author_len]=0;
+ pos=pos+2+cont->author_len;
+ cont->copyright_len=BE_16(&data[pos]);
+ cont->copyright=malloc(cont->copyright_len+1);
+ memcpy(cont->copyright, &data[pos+2], cont->copyright_len);
+ cont->copyright[cont->copyright_len]=0;
+ pos=pos+2+cont->copyright_len;
+ cont->comment_len=BE_16(&data[pos]);
+ cont->comment=malloc(cont->comment_len+1);
+ memcpy(cont->comment, &data[pos+2], cont->comment_len);
+ cont->comment[cont->comment_len]=0;
+
+ return cont;
+}
+
+static rmff_data_t *rmff_scan_dataheader(const char *data) {
+
+ rmff_data_t *dh=malloc(sizeof(rmff_data_t));
+
+ dh->object_id=BE_32(data);
+ dh->size=BE_32(&data[4]);
+ dh->object_version=BE_16(&data[8]);
+ if (dh->object_version != 0)
+ {
+ printf("warning: unknown object version in DATA: 0x%04x\n",
+ dh->object_version);
+ }
+ dh->num_packets=BE_32(&data[10]);
+ dh->next_data_header=BE_32(&data[14]);
+
+ return dh;
+}
+
+rmff_header_t *rmff_scan_header(const char *data) {
+
+ rmff_header_t *header=malloc(sizeof(rmff_header_t));
+ rmff_mdpr_t *mdpr=NULL;
+ int chunk_size;
+ uint32_t chunk_type;
+ const char *ptr=data;
+ int i;
+
+ header->fileheader=NULL;
+ header->prop=NULL;
+ header->cont=NULL;
+ header->data=NULL;
+
+ chunk_type = BE_32(ptr);
+ if (chunk_type != RMF_TAG)
+ {
+ printf("rmff: not an real media file header (.RMF tag not found).\n");
+ free(header);
+ return NULL;
+ }
+ header->fileheader=rmff_scan_fileheader(ptr);
+ ptr += header->fileheader->size;
+
+ header->streams=malloc(sizeof(rmff_mdpr_t*)*(header->fileheader->num_headers));
+ for (i=0; i<header->fileheader->num_headers; i++) {
+ header->streams[i]=NULL;
+ }
+
+ for (i=1; i<header->fileheader->num_headers; i++) {
+ chunk_type = BE_32(ptr);
+
+ if (ptr[0] == 0)
+ {
+ printf("rmff: warning: only %d of %d header found.\n", i, header->fileheader->num_headers);
+ break;
+ }
+
+ chunk_size=1;
+ switch (chunk_type) {
+ case PROP_TAG:
+ header->prop=rmff_scan_prop(ptr);
+ chunk_size=header->prop->size;
+ break;
+ case MDPR_TAG:
+ mdpr=rmff_scan_mdpr(ptr);
+ chunk_size=mdpr->size;
+ header->streams[mdpr->stream_number]=mdpr;
+ break;
+ case CONT_TAG:
+ header->cont=rmff_scan_cont(ptr);
+ chunk_size=header->cont->size;
+ break;
+ case DATA_TAG:
+ header->data=rmff_scan_dataheader(ptr);
+ chunk_size=34; /* hard coded header size */
+ break;
+ default:
+ printf("unknown chunk\n");
+ hexdump(ptr,10);
+ chunk_size=1;
+ break;
+ }
+ ptr+=chunk_size;
+ }
+
+ return header;
+}
+
+rmff_header_t *rmff_scan_header_stream(int fd) {
+
+ rmff_header_t *header;
+ char *buf=xbuffer_init(1024);
+ int index=0;
+ uint32_t chunk_type;
+ uint32_t chunk_size;
+
+ do {
+ buf = xbuffer_ensure_size(buf, index+8);
+ recv(fd, buf+index, 8, 0);
+ chunk_type=BE_32(buf+index); index+=4;
+ chunk_size=BE_32(buf+index); index+=4;
+
+ switch (chunk_type) {
+ case DATA_TAG:
+ chunk_size=18;
+ case MDPR_TAG:
+ case CONT_TAG:
+ case RMF_TAG:
+ case PROP_TAG:
+ buf = xbuffer_ensure_size(buf, index+chunk_size-8);
+ recv(fd, buf+index, (chunk_size-8), 0);
+ index+=(chunk_size-8);
+ break;
+ default:
+ printf("rmff_scan_header_stream: unknown chunk");
+ hexdump(buf+index-8, 8);
+ chunk_type=DATA_TAG;
+ }
+ } while (chunk_type != DATA_TAG);
+
+ header = rmff_scan_header(buf);
+
+ xbuffer_free(buf);
+
+ return header;
+}
+
+void rmff_scan_pheader(rmff_pheader_t *h, char *data) {
+
+ h->object_version=BE_16(data);
+ h->length=BE_16(data+2);
+ h->stream_number=BE_16(data+4);
+ h->timestamp=BE_32(data+6);
+ h->reserved=(uint8_t)data[10];
+ h->flags=(uint8_t)data[11];
+}
+
+rmff_fileheader_t *rmff_new_fileheader(uint32_t num_headers) {
+
+ rmff_fileheader_t *fileheader=malloc(sizeof(rmff_fileheader_t));
+
+ fileheader->object_id=RMF_TAG;
+ fileheader->size=18;
+ fileheader->object_version=0;
+ fileheader->file_version=0;
+ fileheader->num_headers=num_headers;
+
+ return fileheader;
+}
+
+rmff_prop_t *rmff_new_prop (
+ uint32_t max_bit_rate,
+ uint32_t avg_bit_rate,
+ uint32_t max_packet_size,
+ uint32_t avg_packet_size,
+ uint32_t num_packets,
+ uint32_t duration,
+ uint32_t preroll,
+ uint32_t index_offset,
+ uint32_t data_offset,
+ uint16_t num_streams,
+ uint16_t flags ) {
+
+ rmff_prop_t *prop=malloc(sizeof(rmff_prop_t));
+
+ prop->object_id=PROP_TAG;
+ prop->size=50;
+ prop->object_version=0;
+
+ prop->max_bit_rate=max_bit_rate;
+ prop->avg_bit_rate=avg_bit_rate;
+ prop->max_packet_size=max_packet_size;
+ prop->avg_packet_size=avg_packet_size;
+ prop->num_packets=num_packets;
+ prop->duration=duration;
+ prop->preroll=preroll;
+ prop->index_offset=index_offset;
+ prop->data_offset=data_offset;
+ prop->num_streams=num_streams;
+ prop->flags=flags;
+
+ return prop;
+}
+
+rmff_mdpr_t *rmff_new_mdpr(
+ uint16_t stream_number,
+ uint32_t max_bit_rate,
+ uint32_t avg_bit_rate,
+ uint32_t max_packet_size,
+ uint32_t avg_packet_size,
+ uint32_t start_time,
+ uint32_t preroll,
+ uint32_t duration,
+ const char *stream_name,
+ const char *mime_type,
+ uint32_t type_specific_len,
+ const char *type_specific_data ) {
+
+ rmff_mdpr_t *mdpr=malloc(sizeof(rmff_mdpr_t));
+
+ mdpr->object_id=MDPR_TAG;
+ mdpr->object_version=0;
+
+ mdpr->stream_number=stream_number;
+ mdpr->max_bit_rate=max_bit_rate;
+ mdpr->avg_bit_rate=avg_bit_rate;
+ mdpr->max_packet_size=max_packet_size;
+ mdpr->avg_packet_size=avg_packet_size;
+ mdpr->start_time=start_time;
+ mdpr->preroll=preroll;
+ mdpr->duration=duration;
+ mdpr->stream_name_size=0;
+ if (stream_name) {
+ mdpr->stream_name=strdup(stream_name);
+ mdpr->stream_name_size=strlen(stream_name);
+ }
+ mdpr->mime_type_size=0;
+ if (mime_type) {
+ mdpr->mime_type=strdup(mime_type);
+ mdpr->mime_type_size=strlen(mime_type);
+ }
+ mdpr->type_specific_len=type_specific_len;
+ mdpr->type_specific_data=malloc(type_specific_len);
+ memcpy(mdpr->type_specific_data,type_specific_data,type_specific_len);
+ mdpr->mlti_data=NULL;
+
+ mdpr->size=mdpr->stream_name_size+mdpr->mime_type_size+mdpr->type_specific_len+46;
+
+ return mdpr;
+}
+
+rmff_cont_t *rmff_new_cont(const char *title, const char *author, const char *copyright, const char *comment) {
+
+ rmff_cont_t *cont=malloc(sizeof(rmff_cont_t));
+
+ cont->object_id=CONT_TAG;
+ cont->object_version=0;
+
+ cont->title=NULL;
+ cont->author=NULL;
+ cont->copyright=NULL;
+ cont->comment=NULL;
+
+ cont->title_len=0;
+ cont->author_len=0;
+ cont->copyright_len=0;
+ cont->comment_len=0;
+
+ if (title) {
+ cont->title_len=strlen(title);
+ cont->title=strdup(title);
+ }
+ if (author) {
+ cont->author_len=strlen(author);
+ cont->author=strdup(author);
+ }
+ if (copyright) {
+ cont->copyright_len=strlen(copyright);
+ cont->copyright=strdup(copyright);
+ }
+ if (comment) {
+ cont->comment_len=strlen(comment);
+ cont->comment=strdup(comment);
+ }
+ cont->size=cont->title_len+cont->author_len+cont->copyright_len+cont->comment_len+18;
+
+ return cont;
+}
+
+rmff_data_t *rmff_new_dataheader(uint32_t num_packets, uint32_t next_data_header) {
+
+ rmff_data_t *data=malloc(sizeof(rmff_data_t));
+
+ data->object_id=DATA_TAG;
+ data->size=18;
+ data->object_version=0;
+ data->num_packets=num_packets;
+ data->next_data_header=next_data_header;
+
+ return data;
+}
+
+void rmff_print_header(rmff_header_t *h) {
+
+ rmff_mdpr_t **stream;
+
+ if(!h) {
+ printf("rmff_print_header: NULL given\n");
+ return;
+ }
+ if(h->fileheader)
+ {
+ printf("\nFILE:\n");
+ printf("file version : %d\n", h->fileheader->file_version);
+ printf("number of headers : %d\n", h->fileheader->num_headers);
+ }
+ if(h->cont)
+ {
+ printf("\nCONTENT:\n");
+ printf("title : %s\n", h->cont->title);
+ printf("author : %s\n", h->cont->author);
+ printf("copyright : %s\n", h->cont->copyright);
+ printf("comment : %s\n", h->cont->comment);
+ }
+ if(h->prop)
+ {
+ printf("\nSTREAM PROPERTIES:\n");
+ printf("bit rate (max/avg) : %i/%i\n", h->prop->max_bit_rate, h->prop->avg_bit_rate);
+ printf("packet size (max/avg) : %i/%i bytes\n", h->prop->max_packet_size, h->prop->avg_packet_size);
+ printf("packets : %i\n", h->prop->num_packets);
+ printf("duration : %i ms\n", h->prop->duration);
+ printf("pre-buffer : %i ms\n", h->prop->preroll);
+ printf("index offset : %i bytes\n", h->prop->index_offset);
+ printf("data offset : %i bytes\n", h->prop->data_offset);
+ printf("media streams : %i\n", h->prop->num_streams);
+ printf("flags : ");
+ if (h->prop->flags & PN_SAVE_ENABLED) printf("save_enabled ");
+ if (h->prop->flags & PN_PERFECT_PLAY_ENABLED) printf("perfect_play_enabled ");
+ if (h->prop->flags & PN_LIVE_BROADCAST) printf("live_broadcast ");
+ printf("\n");
+ }
+ stream=h->streams;
+ if(stream)
+ {
+ while (*stream)
+ {
+ printf("\nSTREAM %i:\n", (*stream)->stream_number);
+ printf("stream name [mime type] : %s [%s]\n", (*stream)->stream_name, (*stream)->mime_type);
+ printf("bit rate (max/avg) : %i/%i\n", (*stream)->max_bit_rate, (*stream)->avg_bit_rate);
+ printf("packet size (max/avg) : %i/%i bytes\n", (*stream)->max_packet_size, (*stream)->avg_packet_size);
+ printf("start time : %i\n", (*stream)->start_time);
+ printf("pre-buffer : %i ms\n", (*stream)->preroll);
+ printf("duration : %i ms\n", (*stream)->duration);
+ printf("type specific data:\n");
+ hexdump((*stream)->type_specific_data, (*stream)->type_specific_len);
+ stream++;
+ }
+ }
+ if(h->data)
+ {
+ printf("\nDATA:\n");
+ printf("size : %i\n", h->data->size);
+ printf("packets : %i\n", h->data->num_packets);
+ printf("next DATA : 0x%08x\n", h->data->next_data_header);
+ }
+}
+
+void rmff_fix_header(rmff_header_t *h) {
+
+ int num_headers=0;
+ int header_size=0;
+ rmff_mdpr_t **streams;
+ int num_streams=0;
+
+ if (!h) {
+ printf("rmff_fix_header: fatal: no header given.\n");
+ return;
+ }
+
+ if (!h->streams) {
+ printf("rmff_fix_header: warning: no MDPR chunks\n");
+ } else
+ {
+ streams=h->streams;
+ while (*streams)
+ {
+ num_streams++;
+ num_headers++;
+ header_size+=(*streams)->size;
+ streams++;
+ }
+ }
+
+ if (h->prop) {
+ if (h->prop->size != 50)
+ {
+#ifdef LOG
+ printf("rmff_fix_header: correcting prop.size from %i to %i\n", h->prop->size, 50);
+#endif
+ h->prop->size=50;
+ }
+ if (h->prop->num_streams != num_streams)
+ {
+#ifdef LOG
+ printf("rmff_fix_header: correcting prop.num_streams from %i to %i\n", h->prop->num_streams, num_streams);
+#endif
+ h->prop->num_streams=num_streams;
+ }
+ num_headers++;
+ header_size+=50;
+ } else
+ printf("rmff_fix_header: warning: no PROP chunk.\n");
+
+ if (h->cont) {
+ num_headers++;
+ header_size+=h->cont->size;
+ } else
+ printf("rmff_fix_header: warning: no CONT chunk.\n");
+
+ if (!h->data) {
+#ifdef LOG
+ printf("rmff_fix_header: no DATA chunk, creating one\n");
+#endif
+ h->data=malloc(sizeof(rmff_data_t));
+ h->data->object_id=DATA_TAG;
+ h->data->object_version=0;
+ h->data->size=34;
+ h->data->num_packets=0;
+ h->data->next_data_header=0;
+ }
+ num_headers++;
+
+
+ if (!h->fileheader) {
+#ifdef LOG
+ printf("rmff_fix_header: no fileheader, creating one");
+#endif
+ h->fileheader=malloc(sizeof(rmff_fileheader_t));
+ h->fileheader->object_id=RMF_TAG;
+ h->fileheader->size=34;
+ h->fileheader->object_version=0;
+ h->fileheader->file_version=0;
+ h->fileheader->num_headers=num_headers+1;
+ }
+ header_size+=h->fileheader->size;
+ num_headers++;
+
+ if(h->fileheader->num_headers != num_headers) {
+#ifdef LOG
+ printf("rmff_fix_header: setting num_headers from %i to %i\n", h->fileheader->num_headers, num_headers);
+#endif
+ h->fileheader->num_headers=num_headers;
+ }
+
+ if(h->prop) {
+ if (h->prop->data_offset != header_size) {
+#ifdef LOG
+ printf("rmff_fix_header: setting prop.data_offset from %i to %i\n", h->prop->data_offset, header_size);
+#endif
+ h->prop->data_offset=header_size;
+ }
+ if (h->prop->num_packets == 0) {
+ int p=(int)(h->prop->avg_bit_rate/8.0*(h->prop->duration/1000.0)/h->prop->avg_packet_size);
+#ifdef LOG
+ printf("rmff_fix_header: assuming prop.num_packets=%i\n", p);
+#endif
+ h->prop->num_packets=p;
+ }
+ if (h->data->num_packets == 0) {
+#ifdef LOG
+ printf("rmff_fix_header: assuming data.num_packets=%i\n", h->prop->num_packets);
+#endif
+ h->data->num_packets=h->prop->num_packets;
+ }
+
+#ifdef LOG
+ printf("rmff_fix_header: assuming data.size=%i\n", h->prop->num_packets*h->prop->avg_packet_size);
+#endif
+ h->data->size=h->prop->num_packets*h->prop->avg_packet_size;
+ }
+}
+
+int rmff_get_header_size(rmff_header_t *h) {
+
+ if (!h) return 0;
+ if (!h->prop) return -1;
+
+ return h->prop->data_offset+18;
+
+}
+
+void rmff_free_header(rmff_header_t *h) {
+
+ if (!h) return;
+
+ if (h->fileheader) free(h->fileheader);
+ if (h->prop) free(h->prop);
+ if (h->data) free(h->data);
+ if (h->cont)
+ {
+ free(h->cont->title);
+ free(h->cont->author);
+ free(h->cont->copyright);
+ free(h->cont->comment);
+ free(h->cont);
+ }
+ if (h->streams)
+ {
+ rmff_mdpr_t **s=h->streams;
+
+ while(*s) {
+ free((*s)->stream_name);
+ free((*s)->mime_type);
+ free((*s)->type_specific_data);
+ free(*s);
+ s++;
+ }
+ free(h->streams);
+ }
+ free(h);
+}