static ngx_int_t
ngx_http_vod_dash_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)
{
dash_fragment_header_extensions_t header_extensions;
fragment_writer_state_t* state;
segment_writer_t edash_writer;
vod_status_t rc;
bool_t size_only = ngx_http_vod_submodule_size_only(submodule_context);
if (submodule_context->conf->drm_enabled &&
submodule_context->request_params.segment_index >= submodule_context->conf->drm_clear_lead_segment_count)
{
// encyrpted fragment
rc = edash_packager_get_fragment_writer(
&edash_writer,
&submodule_context->request_context,
&submodule_context->media_set,
submodule_context->request_params.segment_index,
segment_writer,
submodule_context->media_set.sequences[0].encryption_key, // iv
size_only,
output_buffer,
response_size);
if (rc != VOD_OK)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, submodule_context->request_context.log, 0,
"ngx_http_vod_dash_init_frame_processor: edash_packager_get_fragment_writer failed %i", rc);
return ngx_http_vod_status_to_ngx_error(rc);
}
segment_writer = &edash_writer;
}
else
{
// unencrypted
ngx_memzero(&header_extensions, sizeof(header_extensions));
rc = dash_packager_build_fragment_header(
&submodule_context->request_context,
&submodule_context->media_set,
submodule_context->request_params.segment_index,
submodule_context->conf->drm_enabled ? 2 : 0, // sample description index
&header_extensions,
size_only,
output_buffer,
response_size);
if (rc != VOD_OK)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, submodule_context->request_context.log, 0,
"ngx_http_vod_dash_init_frame_processor: dash_packager_build_fragment_header failed %i", rc);
return ngx_http_vod_status_to_ngx_error(rc);
}
}
// initialize the frame processor
if (!size_only || *response_size == 0)
{
rc = mp4_builder_frame_writer_init(
&submodule_context->request_context,
submodule_context->media_set.sequences,
read_cache_state,
segment_writer->write_tail,
segment_writer->context,
&state);
if (rc != VOD_OK)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, submodule_context->request_context.log, 0,
"ngx_http_vod_dash_init_frame_processor: mp4_builder_frame_writer_init failed %i", rc);
return ngx_http_vod_status_to_ngx_error(rc);
}
*frame_processor = (ngx_http_vod_frame_processor_t)mp4_builder_frame_writer_process;
*frame_processor_state = state;
}
// set the 'Content-type' header
if (submodule_context->media_set.track_count[MEDIA_TYPE_VIDEO] != 0)
{
content_type->len = sizeof(mp4_video_content_type) - 1;
content_type->data = (u_char *)mp4_video_content_type;
}
else
{
content_type->len = sizeof(mp4_audio_content_type) - 1;
content_type->data = (u_char *)mp4_audio_content_type;
}
return NGX_OK;
}
static ngx_int_t
ngx_http_vod_mss_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)
{
fragment_writer_state_t* state;
segment_writer_t drm_writer;
vod_status_t rc;
bool_t size_only = ngx_http_vod_submodule_size_only(submodule_context);
if (submodule_context->conf->drm_enabled)
{
rc = mss_playready_get_fragment_writer(
&drm_writer,
&submodule_context->request_context,
submodule_context->mpeg_metadata.first_stream,
submodule_context->request_params.segment_index,
segment_writer,
submodule_context->cur_suburi->file_key, // iv
size_only,
output_buffer,
response_size);
if (rc != VOD_OK)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, submodule_context->request_context.log, 0,
"ngx_http_vod_mss_init_frame_processor: mss_playready_get_fragment_writer failed %i", rc);
return ngx_http_vod_status_to_ngx_error(rc);
}
segment_writer = &drm_writer;
}
else
{
rc = mss_packager_build_fragment_header(
&submodule_context->request_context,
submodule_context->mpeg_metadata.first_stream,
submodule_context->request_params.segment_index,
0,
NULL,
NULL,
size_only,
output_buffer,
response_size);
if (rc != VOD_OK)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, submodule_context->request_context.log, 0,
"ngx_http_vod_mss_init_frame_processor: mss_packager_build_fragment_header failed %i", rc);
return ngx_http_vod_status_to_ngx_error(rc);
}
}
if (!size_only || *response_size == 0)
{
rc = mp4_builder_frame_writer_init(
&submodule_context->request_context,
submodule_context->mpeg_metadata.first_stream,
read_cache_state,
segment_writer->write_tail,
segment_writer->context,
&state);
if (rc != VOD_OK)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, submodule_context->request_context.log, 0,
"ngx_http_vod_mss_init_frame_processor: mp4_builder_frame_writer_init failed %i", rc);
return ngx_http_vod_status_to_ngx_error(rc);
}
*frame_processor = (ngx_http_vod_frame_processor_t)mp4_builder_frame_writer_process;
*frame_processor_state = state;
}
// set the 'Content-type' header
if (submodule_context->mpeg_metadata.stream_count[MEDIA_TYPE_VIDEO])
{
content_type->len = sizeof(mp4_video_content_type) - 1;
content_type->data = mp4_video_content_type;
}
else
{
content_type->len = sizeof(mp4_audio_content_type) - 1;
content_type->data = mp4_audio_content_type;
}
return NGX_OK;
}
static ngx_int_t
ngx_http_vod_mss_init_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)
{
fragment_writer_state_t* state;
segment_writer_t drm_writer;
vod_status_t rc;
bool_t reuse_buffers = FALSE;
bool_t size_only = ngx_http_vod_submodule_size_only(submodule_context);
if (submodule_context->conf->drm_enabled)
{
rc = mss_playready_get_fragment_writer(
&drm_writer,
&submodule_context->request_context,
&submodule_context->media_set,
submodule_context->request_params.segment_index,
segment_writer,
submodule_context->media_set.sequences[0].encryption_key, // iv
size_only,
output_buffer,
response_size);
if (rc != VOD_OK)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, submodule_context->request_context.log, 0,
"ngx_http_vod_mss_init_frame_processor: mss_playready_get_fragment_writer failed %i", rc);
return ngx_http_vod_status_to_ngx_error(rc);
}
if (drm_writer.write_tail != NULL)
{
segment_writer = &drm_writer;
reuse_buffers = TRUE; // mp4_encrypt allocates new buffers
}
}
else
{
rc = mss_packager_build_fragment_header(
&submodule_context->request_context,
&submodule_context->media_set,
submodule_context->request_params.segment_index,
0,
NULL,
NULL,
size_only,
output_buffer,
response_size);
if (rc != VOD_OK)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, submodule_context->request_context.log, 0,
"ngx_http_vod_mss_init_frame_processor: mss_packager_build_fragment_header failed %i", rc);
return ngx_http_vod_status_to_ngx_error(rc);
}
}
if (!size_only || *response_size == 0)
{
rc = mp4_builder_frame_writer_init(
&submodule_context->request_context,
submodule_context->media_set.sequences,
segment_writer->write_tail,
segment_writer->context,
reuse_buffers,
&state);
if (rc != VOD_OK)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, submodule_context->request_context.log, 0,
"ngx_http_vod_mss_init_frame_processor: mp4_builder_frame_writer_init failed %i", rc);
return ngx_http_vod_status_to_ngx_error(rc);
}
*frame_processor = (ngx_http_vod_frame_processor_t)mp4_builder_frame_writer_process;
*frame_processor_state = state;
}
// set the 'Content-type' header
if (submodule_context->media_set.track_count[MEDIA_TYPE_VIDEO])
{
content_type->len = sizeof(mp4_video_content_type) - 1;
content_type->data = mp4_video_content_type;
}
else
{
content_type->len = sizeof(mp4_audio_content_type) - 1;
content_type->data = mp4_audio_content_type;
}
return NGX_OK;
}
