/*
* MMS protocol over TCP
* Copyright (c) 2006,2007 Ryan Martell
- * Copyright (c) 2007 Björn Axelsson
+ * Copyright (c) 2007 Björn Axelsson
* Copyright (c) 2010 Zhentan Feng <spyfeng at gmail dot com>
*
* This file is part of Libav.
/*@}*/
} MMSSCPacketType;
-typedef struct {
+typedef struct MMSTContext {
MMSContext mms;
int outgoing_packet_seq; ///< Outgoing packet sequence number.
char path[256]; ///< Path of the resource being asked for.
memset(mms->write_out_ptr, 0, exact_length - len);
// write it out.
- write_result= url_write(mms->mms_hd, mms->out_buffer, exact_length);
+ write_result= ffurl_write(mms->mms_hd, mms->out_buffer, exact_length);
if(write_result != exact_length) {
av_log(NULL, AV_LOG_ERROR,
"Failed to write data of length %d: %d (%s)\n",
exact_length, write_result,
- write_result < 0 ? strerror(write_result) :
+ write_result < 0 ? strerror(AVUNERROR(write_result)) :
"The server closed the connection");
- return AVERROR_IO;
+ return AVERROR(EIO);
}
return 0;
static void handle_packet_stream_changing_type(MMSTContext *mmst)
{
MMSContext *mms = &mmst->mms;
- av_dlog(NULL, "Stream changing!\n");
+ av_log(NULL, AV_LOG_TRACE, "Stream changing!\n");
// 40 is the packet header size, 7 is the prefix size.
mmst->header_packet_id= AV_RL32(mms->in_buffer + 40 + 7);
- av_dlog(NULL, "Changed header prefix to 0x%x", mmst->header_packet_id);
+ av_log(NULL, AV_LOG_TRACE, "Changed header prefix to 0x%x", mmst->header_packet_id);
}
static int send_keepalive_packet(MMSTContext *mmst)
if(read_result < 0) {
av_log(NULL, AV_LOG_ERROR,
"Error reading packet header: %d (%s)\n",
- read_result, strerror(read_result));
+ read_result, strerror(AVUNERROR(read_result)));
packet_type = SC_PKT_CANCEL;
} else {
av_log(NULL, AV_LOG_ERROR,
av_log(NULL, AV_LOG_ERROR,
"Reading command packet length failed: %d (%s)\n",
read_result,
- read_result < 0 ? strerror(read_result) :
+ read_result < 0 ? strerror(AVUNERROR(read_result)) :
"The server closed the connection");
- return read_result < 0 ? read_result : AVERROR_IO;
+ return read_result < 0 ? read_result : AVERROR(EIO);
}
length_remaining= AV_RL32(mms->in_buffer+8) + 4;
- av_dlog(NULL, "Length remaining is %d\n", length_remaining);
+ av_log(NULL, AV_LOG_TRACE, "Length remaining is %d\n", length_remaining);
// read the rest of the packet.
if (length_remaining < 0
|| length_remaining > sizeof(mms->in_buffer) - 12) {
av_log(NULL, AV_LOG_ERROR,
"Reading pkt data (length=%d) failed: %d (%s)\n",
length_remaining, read_result,
- read_result < 0 ? strerror(read_result) :
+ read_result < 0 ? strerror(AVUNERROR(read_result)) :
"The server closed the connection");
- return read_result < 0 ? read_result : AVERROR_IO;
+ return read_result < 0 ? read_result : AVERROR(EIO);
}
packet_type= AV_RL16(mms->in_buffer+36);
if (read_result >= 44 && (hr = AV_RL32(mms->in_buffer + 40))) {
av_log(NULL, AV_LOG_ERROR,
"Server sent a message with packet type 0x%x and error status code 0x%08x\n", packet_type, hr);
- return AVERROR_UNKNOWN;
+ return AVERROR(EINVAL);
}
} else {
int length_remaining;
av_log(NULL, AV_LOG_ERROR,
"Failed to read packet data of size %d: %d (%s)\n",
length_remaining, read_result,
- read_result < 0 ? strerror(read_result) :
+ read_result < 0 ? strerror(AVUNERROR(read_result)) :
"The server closed the connection");
- return read_result < 0 ? read_result : AVERROR_IO;
+ return read_result < 0 ? read_result : AVERROR(EIO);
}
// if we successfully read everything.
if(packet_id_type == mmst->header_packet_id) {
+ int err;
packet_type = SC_PKT_ASF_HEADER;
// Store the asf header
if(!mms->header_parsed) {
- void *p = av_realloc(mms->asf_header,
- mms->asf_header_size + mms->remaining_in_len);
- if (!p) {
- av_freep(&mms->asf_header);
- return AVERROR(ENOMEM);
+ if ((err = av_reallocp(&mms->asf_header,
+ mms->asf_header_size +
+ mms->remaining_in_len)) < 0) {
+ mms->asf_header_size = 0;
+ return err;
}
- mms->asf_header = p;
memcpy(mms->asf_header + mms->asf_header_size,
mms->read_in_ptr, mms->remaining_in_len);
mms->asf_header_size += mms->remaining_in_len;
} else if(packet_id_type == mmst->packet_id) {
packet_type = SC_PKT_ASF_MEDIA;
} else {
- av_dlog(NULL, "packet id type %d is old.", packet_id_type);
+ av_log(NULL, AV_LOG_TRACE, "packet id type %d is old.", packet_id_type);
continue;
}
}
if(send_fun) {
int ret = send_fun(mmst);
if (ret < 0) {
- av_dlog(NULL, "Send Packet error before expecting recv packet %d\n", expect_type);
+ av_log(NULL, AV_LOG_TRACE, "Send Packet error before expecting recv packet %d\n", expect_type);
return ret;
}
}
MMSContext *mms = &mmst->mms;
if(mms->mms_hd) {
send_close_packet(mmst);
- url_close(mms->mms_hd);
+ ffurl_close(mms->mms_hd);
}
/* free all separately allocated pointers in mms */
av_free(mms->streams);
av_free(mms->asf_header);
- av_freep(&h->priv_data);
return 0;
}
static int mms_open(URLContext *h, const char *uri, int flags)
{
- MMSTContext *mmst;
+ MMSTContext *mmst = h->priv_data;
MMSContext *mms;
int port, err;
char tcpname[256];
h->is_streamed = 1;
- mmst = h->priv_data = av_mallocz(sizeof(MMSTContext));
- if (!h->priv_data)
- return AVERROR(ENOMEM);
mms = &mmst->mms;
// only for MMS over TCP, so set proto = NULL
// establish tcp connection.
ff_url_join(tcpname, sizeof(tcpname), "tcp", NULL, mmst->host, port, NULL);
- err = ffurl_open(&mms->mms_hd, tcpname, URL_RDWR);
+ err = ffurl_open(&mms->mms_hd, tcpname, AVIO_FLAG_READ_WRITE,
+ &h->interrupt_callback, NULL);
if (err)
goto fail;
if((mmst->incoming_flags != 0X08) && (mmst->incoming_flags != 0X0C)) {
av_log(NULL, AV_LOG_ERROR,
"The server does not support MMST (try MMSH or RTSP)\n");
- err = AVERROR_NOFMT;
+ err = AVERROR(EINVAL);
goto fail;
}
err = ff_mms_asf_header_parser(mms);
if (err) {
- av_dlog(NULL, "asf header parsed failed!\n");
+ av_log(NULL, AV_LOG_TRACE, "asf header parsed failed!\n");
goto fail;
}
mms->header_parsed = 1;
if (err) {
goto fail;
}
- av_dlog(NULL, "Leaving open (success)\n");
+ av_log(NULL, AV_LOG_TRACE, "Leaving open (success)\n");
return 0;
fail:
mms_close(h);
- av_dlog(NULL, "Leaving open (failure: %d)\n", err);
+ av_log(NULL, AV_LOG_TRACE, "Leaving open (failure: %d)\n", err);
return err;
}
av_log(NULL, AV_LOG_ERROR,
"Incoming pktlen %d is larger than ASF pktsize %d\n",
mms->remaining_in_len, mms->asf_packet_len);
- result= AVERROR_IO;
+ result= AVERROR(EIO);
} else {
// copy the data to the packet buffer.
result = ff_mms_read_data(mms, buf, size);
if (result == 0) {
- av_dlog(NULL, "read asf media paket size is zero!\n");
+ av_log(NULL, AV_LOG_TRACE, "Read ASF media packet size is zero!\n");
break;
}
}
} else {
- av_dlog(NULL, "read packet error!\n");
+ av_log(NULL, AV_LOG_TRACE, "read packet error!\n");
break;
}
}
}
URLProtocol ff_mmst_protocol = {
- "mmst",
- mms_open,
- mms_read,
- NULL, // write
- NULL, // seek
- mms_close,
+ .name = "mmst",
+ .url_open = mms_open,
+ .url_read = mms_read,
+ .url_close = mms_close,
+ .priv_data_size = sizeof(MMSTContext),
+ .flags = URL_PROTOCOL_FLAG_NETWORK,
};
projects / ffmpeg / blobdiff