static ngx_int_t
ngx_http_vod_hls_handle_index_playlist(
ngx_http_vod_submodule_context_t* submodule_context,
ngx_str_t* response,
ngx_str_t* content_type)
{
hls_encryption_params_t encryption_params;
ngx_str_t segments_base_url = ngx_null_string;
ngx_str_t base_url = ngx_null_string;
vod_status_t rc;
u_char iv[AES_BLOCK_SIZE];
if (submodule_context->conf->hls.absolute_index_urls)
{
ngx_http_vod_get_base_url(submodule_context->r, &submodule_context->conf->https_header_name, NULL, 0, &submodule_context->r->uri, &base_url);
ngx_http_vod_get_base_url(
submodule_context->r,
&submodule_context->conf->https_header_name,
&submodule_context->conf->segments_base_url,
submodule_context->conf->segments_base_url_has_scheme,
&submodule_context->r->uri,
&segments_base_url);
}
ngx_http_vod_hls_init_encryption_params(&encryption_params, submodule_context, iv);
rc = m3u8_builder_build_index_playlist(
&submodule_context->request_context,
&submodule_context->conf->hls.m3u8_config,
&base_url,
&segments_base_url,
&submodule_context->request_params,
&encryption_params,
&submodule_context->conf->segmenter,
&submodule_context->media_set,
response);
if (rc != VOD_OK)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, submodule_context->request_context.log, 0,
"ngx_http_vod_hls_handle_index_playlist: m3u8_builder_build_index_playlist failed %i", rc);
return ngx_http_vod_status_to_ngx_error(rc);
}
content_type->data = m3u8_content_type;
content_type->len = sizeof(m3u8_content_type) - 1;
return NGX_OK;
}
static ngx_int_t
ngx_http_vod_hls_init_ts_frame_processor(
ngx_http_vod_submodule_context_t* submodule_context,
segment_writer_t* segment_writer,
ngx_http_vod_frame_processor_t* frame_processor,
void** frame_processor_state,
ngx_str_t* output_buffer,
size_t* response_size,
ngx_str_t* content_type)
{
hls_encryption_params_t encryption_params;
hls_muxer_state_t* state;
vod_status_t rc;
u_char iv[AES_BLOCK_SIZE];
ngx_http_vod_hls_init_encryption_params(&encryption_params, submodule_context, iv);
rc = hls_muxer_init_segment(
&submodule_context->request_context,
&submodule_context->conf->hls.muxer_config,
&encryption_params,
submodule_context->request_params.segment_index,
&submodule_context->media_set,
segment_writer->write_tail,
segment_writer->context,
response_size,
output_buffer,
&state);
if (rc != VOD_OK)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, submodule_context->request_context.log, 0,
"ngx_http_vod_hls_init_ts_frame_processor: hls_muxer_init failed %i", rc);
return ngx_http_vod_status_to_ngx_error(rc);
}
*frame_processor = (ngx_http_vod_frame_processor_t)hls_muxer_process;
*frame_processor_state = state;
content_type->len = sizeof(mpeg_ts_content_type) - 1;
content_type->data = (u_char *)mpeg_ts_content_type;
return NGX_OK;
}
static ngx_int_t
ngx_http_vod_hls_handle_index_playlist(
ngx_http_vod_submodule_context_t* submodule_context,
ngx_str_t* response,
ngx_str_t* content_type)
{
ngx_http_vod_loc_conf_t* conf = submodule_context->conf;
hls_encryption_params_t encryption_params;
ngx_str_t segments_base_url = ngx_null_string;
ngx_str_t base_url = ngx_null_string;
vod_status_t rc;
u_char iv[AES_BLOCK_SIZE];
if (conf->hls.absolute_index_urls)
{
rc = ngx_http_vod_get_base_url(submodule_context->r, conf->base_url, &submodule_context->r->uri, &base_url);
if (rc != NGX_OK)
{
return rc;
}
if (conf->segments_base_url != NULL)
{
rc = ngx_http_vod_get_base_url(
submodule_context->r,
conf->segments_base_url,
&submodule_context->r->uri,
&segments_base_url);
if (rc != NGX_OK)
{
return rc;
}
}
else
{
segments_base_url = base_url;
}
}
ngx_http_vod_hls_init_encryption_params(&encryption_params, submodule_context, iv);
if (encryption_params.type != HLS_ENC_NONE)
{
if (conf->hls.encryption_key_uri != NULL)
{
if (ngx_http_complex_value(
submodule_context->r,
conf->hls.encryption_key_uri,
&encryption_params.key_uri) != NGX_OK)
{
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, submodule_context->request_context.log, 0,
"ngx_http_vod_hls_handle_index_playlist: ngx_http_complex_value failed");
return NGX_ERROR;
}
}
else
{
encryption_params.key_uri.len = 0;
}
}
rc = m3u8_builder_build_index_playlist(
&submodule_context->request_context,
&conf->hls.m3u8_config,
&base_url,
&segments_base_url,
&submodule_context->request_params,
&encryption_params,
&submodule_context->media_set,
response);
if (rc != VOD_OK)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, submodule_context->request_context.log, 0,
"ngx_http_vod_hls_handle_index_playlist: m3u8_builder_build_index_playlist failed %i", rc);
return ngx_http_vod_status_to_ngx_error(rc);
}
content_type->data = m3u8_content_type;
content_type->len = sizeof(m3u8_content_type) - 1;
return NGX_OK;
}
static ngx_int_t
ngx_http_vod_hls_init_frame_processor(
ngx_http_vod_submodule_context_t* submodule_context,
read_cache_state_t* read_cache_state,
segment_writer_t* segment_writer,
ngx_http_vod_frame_processor_t* frame_processor,
void** frame_processor_state,
ngx_str_t* output_buffer,
size_t* response_size,
ngx_str_t* content_type)
{
hls_encryption_params_t encryption_params;
hls_muxer_state_t* state;
vod_status_t rc;
bool_t simulation_supported;
u_char iv[AES_BLOCK_SIZE];
state = ngx_pcalloc(submodule_context->request_context.pool, sizeof(hls_muxer_state_t));
if (state == NULL)
{
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, submodule_context->request_context.log, 0,
"ngx_http_vod_hls_init_frame_processor: ngx_pcalloc failed");
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
ngx_http_vod_hls_init_encryption_params(&encryption_params, submodule_context, iv);
rc = hls_muxer_init(
state,
&submodule_context->request_context,
&submodule_context->conf->hls.muxer_config,
&encryption_params,
submodule_context->request_params.segment_index,
&submodule_context->media_set,
read_cache_state,
segment_writer->write_tail,
segment_writer->context,
&simulation_supported);
if (rc != VOD_OK)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, submodule_context->request_context.log, 0,
"ngx_http_vod_hls_init_frame_processor: hls_muxer_init failed %i", rc);
return ngx_http_vod_status_to_ngx_error(rc);
}
if (simulation_supported)
{
rc = hls_muxer_simulate_get_segment_size(state, response_size);
if (rc != VOD_OK)
{
return ngx_http_vod_status_to_ngx_error(rc);
}
hls_muxer_simulation_reset(state);
}
*frame_processor = (ngx_http_vod_frame_processor_t)hls_muxer_process;
*frame_processor_state = state;
content_type->len = sizeof(mpeg_ts_content_type) - 1;
content_type->data = (u_char *)mpeg_ts_content_type;
return NGX_OK;
}
