/**************************************************************************//**
* Get the content length header from the response headers as an unsigned
* 64-bit integer.
* If the content length header is not found or badly formatted, zero is
* returned.
*
* @param header_list The response headers.
* @return The content length.
*/
static uint64_t io_http_get_content_length(VC_CONTAINERS_LIST_T *header_list)
{
uint64_t content_length = 0;
HTTP_HEADER_T header;
header.name = CONTENT_LENGTH_NAME;
if (header_list && vc_containers_list_find_entry(header_list, &header))
/* coverity[secure_coding] String is null-terminated */
sscanf(header.value, "%"PRIu64, &content_length);
return content_length;
}
/**************************************************************************//**
* Decode a dynamic payload type from parameters.
* Populates the track information with data for supported dynamic media types.
*
* @param p_ctx The reader context.
* @param track The track to be updated.
* @param param_list The URI parameter list.
* @return The resulting status of the function.
*/
static VC_CONTAINER_STATUS_T decode_dynamic_type(VC_CONTAINER_T *p_ctx,
VC_CONTAINER_TRACK_T *track,
const VC_CONTAINERS_LIST_T *param_list)
{
VC_CONTAINER_ES_FORMAT_T *format = track->format;
VC_CONTAINER_STATUS_T status = VC_CONTAINER_SUCCESS;
PARAMETER_T mime_type;
MIME_TYPE_DATA_T mime_details;
/* Get MIME type parameter */
mime_type.name = MIME_TYPE_NAME;
if (!vc_containers_list_find_entry(param_list, &mime_type))
return VC_CONTAINER_ERROR_FORMAT_INVALID;
#ifdef RTP_DEBUG
vc_containers_list_validate(&dynamic_mime);
#endif
/* Look up MIME type to see if it can be handled */
mime_details.name = mime_type.value;
if (!vc_containers_list_find_entry(&dynamic_mime, &mime_details))
return VC_CONTAINER_ERROR_FORMAT_NOT_SUPPORTED;
format->codec = mime_details.codec;
format->es_type = mime_details.es_type;
/* Default number of channels for audio is one */
if (mime_details.es_type == VC_CONTAINER_ES_TYPE_AUDIO)
format->type->audio.channels = 1;
/* Lete MIME type specific parameter handler deal with any other parameters */
status = mime_details.param_handler(p_ctx, track, param_list);
/* Ensure that the sample rate has been set for audio formats */
if (mime_details.es_type == VC_CONTAINER_ES_TYPE_AUDIO && !format->type->audio.sample_rate)
return VC_CONTAINER_ERROR_FORMAT_INVALID;
return status;
}
/**************************************************************************//**
* Check whether the server supports persistent connections.
*
* @param header_list The response headers.
* @return The resulting status of the function.
*/
static bool io_http_check_persistent_connection(VC_CONTAINERS_LIST_T *header_list)
{
HTTP_HEADER_T header;
header.name = CONNECTION_NAME;
if (header_list && vc_containers_list_find_entry(header_list, &header))
{
/* coverity[secure_coding] String is null-terminated */
if (!strcasecmp(header.value, "close"))
return false;
}
return true;
}
/**************************************************************************//**
* Get the accept ranges header from the response headers and verify that
* the server accepts byte ranges..
* If the accept ranges header is not found false is returned.
*
* @param header_list The response headers.
* @return The resulting status of the function.
*/
static bool io_http_check_accept_range(VC_CONTAINERS_LIST_T *header_list)
{
HTTP_HEADER_T header;
header.name = ACCEPT_RANGES_NAME;
if (header_list && vc_containers_list_find_entry(header_list, &header))
{
/* coverity[secure_coding] String is null-terminated */
if (!strcasecmp(header.value, "bytes"))
return true;
}
return false;
}
/**************************************************************************//**
* Gets the value of a parameter as an unsigned 32-bit hexadecimal integer.
*
* @param param_list The URI parameter list.
* @param name The name of the parameter.
* @param value Pointer to the variable to receive the value.
* @return True if the parameter value was read and stored correctly, false
* otherwise.
*/
bool rtp_get_parameter_x32(const VC_CONTAINERS_LIST_T *param_list,
const char *name,
uint32_t *value)
{
PARAMETER_T param;
param.name = name;
if (vc_containers_list_find_entry(param_list, ¶m) && param.value)
{
char *end;
*value = strtoul(param.value, &end, 16);
return (end != param.value) && (*end == '\0');
}
return false;
}
