Esempi in C++ (Cpp) per mp4_encrypt_audio_get_fragment_writer

Esempio n. 1

File: mss_playready.c Progetto: jos89/nginx-vod-module

vod_status_t 
mss_playready_get_fragment_writer(
	segment_writer_t* result,
	request_context_t* request_context,
	media_set_t* media_set,
	uint32_t segment_index,
	segment_writer_t* segment_writer,
	const u_char* iv,
	bool_t size_only,
	vod_str_t* fragment_header,
	size_t* total_fragment_size)
{
	uint32_t media_type = media_set->sequences[0].media_type;
	vod_status_t rc;

	switch (media_type)
	{
	case MEDIA_TYPE_VIDEO:
		return mp4_encrypt_video_get_fragment_writer(
			result,
			request_context,
			media_set,
			segment_index,
			mss_playready_video_write_fragment_header,
			segment_writer,
			iv);

	case MEDIA_TYPE_AUDIO:
		rc = mp4_encrypt_audio_get_fragment_writer(
			result,
			request_context,
			media_set,
			segment_index,
			segment_writer,
			iv);
		if (rc != VOD_OK)
		{
			return rc;
		}

		rc = mss_playready_audio_build_fragment_header(
			result->context,
			size_only,
			fragment_header,
			total_fragment_size);
		if (rc != VOD_OK)
		{
			return rc;
		}

		return VOD_OK;
	}

	vod_log_error(VOD_LOG_ERR, request_context->log, 0,
		"mss_playready_get_fragment_writer: invalid media type %uD", media_type);
	return VOD_UNEXPECTED;
}

Esempio n. 2

File: mss_playready.c Progetto: soloaustin/nginx-vod-module

vod_status_t
mss_playready_get_fragment_writer(
	segment_writer_t* result,
	request_context_t* request_context,
	media_set_t* media_set,
	uint32_t segment_index,
	segment_writer_t* segment_writer,
	const u_char* iv,
	bool_t size_only,
	vod_str_t* fragment_header,
	size_t* total_fragment_size)
{
	mp4_encrypt_passthrough_context_t passthrough_context;
	uint32_t media_type = media_set->sequences[0].media_type;
	vod_status_t rc;

	if (mp4_encrypt_passthrough_init(&passthrough_context, media_set->sequences))
	{
		vod_log_debug0(VOD_LOG_DEBUG_LEVEL, request_context->log, 0,
			"mss_playready_get_fragment_writer: using encryption passthrough");

		// build the fragment header
		rc = mss_packager_build_fragment_header(
			request_context,
			media_set,
			segment_index,
			passthrough_context.total_size + ATOM_HEADER_SIZE + sizeof(uuid_piff_atom_t),
			mss_playready_passthrough_write_encryption_atoms, 
			&passthrough_context,
			size_only,
			fragment_header,
			total_fragment_size);
		if (rc != VOD_OK)
		{
			vod_log_debug1(VOD_LOG_DEBUG_LEVEL, request_context->log, 0,
				"mss_playready_get_fragment_writer: mss_packager_build_fragment_header failed %i", rc);
			return rc;
		}

		// use original writer
		vod_memzero(result, sizeof(*result));

		return VOD_OK;
	}

	switch (media_type)
	{
	case MEDIA_TYPE_VIDEO:
		return mp4_encrypt_video_get_fragment_writer(
			result,
			request_context,
			media_set,
			segment_index,
			mss_playready_video_write_fragment_header,
			segment_writer,
			iv);

	case MEDIA_TYPE_AUDIO:
		rc = mp4_encrypt_audio_get_fragment_writer(
			result,
			request_context,
			media_set,
			segment_index,
			segment_writer,
			iv);
		if (rc != VOD_OK)
		{
			return rc;
		}

		rc = mss_playready_audio_build_fragment_header(
			result->context,
			size_only,
			fragment_header,
			total_fragment_size);
		if (rc != VOD_OK)
		{
			return rc;
		}

		return VOD_OK;
	}

	vod_log_error(VOD_LOG_ERR, request_context->log, 0,
		"mss_playready_get_fragment_writer: invalid media type %uD", media_type);
	return VOD_UNEXPECTED;
}

Esempio n. 3

File: edash_packager.c Progetto: nginx-modules/nginx-vod-module

vod_status_t
edash_packager_get_fragment_writer(
	segment_writer_t* result,
	request_context_t* request_context,
	media_set_t* media_set,
	uint32_t segment_index,
	bool_t single_nalu_per_frame,
	segment_writer_t* segment_writer,
	const u_char* iv,
	bool_t size_only,
	vod_str_t* fragment_header,
	size_t* total_fragment_size)
{
	dash_fragment_header_extensions_t header_extensions;
	mp4_encrypt_passthrough_context_t passthrough_context;
	uint32_t media_type = media_set->sequences[0].media_type;
	vod_status_t rc;

	if (mp4_encrypt_passthrough_init(&passthrough_context, media_set->sequences))
	{
		vod_log_debug0(VOD_LOG_DEBUG_LEVEL, request_context->log, 0,
			"edash_packager_get_fragment_writer: using encryption passthrough");

		// get the header extensions
		header_extensions.extra_traf_atoms_size = passthrough_context.total_size + ATOM_HEADER_SIZE + sizeof(senc_atom_t);
		header_extensions.write_extra_traf_atoms_callback = edash_packager_passthrough_write_encryption_atoms;
		header_extensions.write_extra_traf_atoms_context = &passthrough_context;

		// build the fragment header
		rc = dash_packager_build_fragment_header(
			request_context,
			media_set,
			segment_index,
			0,
			&header_extensions,
			size_only,
			fragment_header,
			total_fragment_size);
		if (rc != VOD_OK)
		{
			vod_log_debug1(VOD_LOG_DEBUG_LEVEL, request_context->log, 0,
				"edash_packager_get_fragment_writer: dash_packager_build_fragment_header failed %i", rc);
			return rc;
		}

		// use original writer
		vod_memzero(result, sizeof(*result));

		return VOD_OK;
	}

	switch (media_type)
	{
	case MEDIA_TYPE_VIDEO:
		return mp4_encrypt_video_get_fragment_writer(
			result, 
			request_context, 
			media_set, 
			segment_index, 
			single_nalu_per_frame,
			edash_packager_video_build_fragment_header,
			segment_writer, 
			iv, 
			fragment_header,
			total_fragment_size);

	case MEDIA_TYPE_AUDIO:
		rc = mp4_encrypt_audio_get_fragment_writer(
			result, 
			request_context, 
			media_set,
			segment_index, 
			segment_writer, 
			iv);
		if (rc != VOD_OK)
		{
			return rc;
		}

		rc = edash_packager_audio_build_fragment_header(
			result->context,
			size_only,
			fragment_header,
			total_fragment_size);
		if (rc != VOD_OK)
		{
			return rc;
		}

		return VOD_OK;
	}

	vod_log_error(VOD_LOG_ERR, request_context->log, 0,
		"edash_packager_get_fragment_writer: invalid media type %uD", media_type);
	return VOD_UNEXPECTED;
}