C++ (Cpp) edash_packager_write_pssh示例

示例#1

static u_char* 
edash_packager_write_content_protection(void* ctx, u_char* p, media_track_t* track)
{
	write_content_protection_context_t* context = ctx;
	drm_info_t* drm_info = (drm_info_t*)track->file_info.drm_info;
	drm_system_info_t* cur_info;
	vod_str_t base64;
	vod_str_t pssh;

	p = vod_copy(p, VOD_EDASH_MANIFEST_CONTENT_PROTECTION_CENC, sizeof(VOD_EDASH_MANIFEST_CONTENT_PROTECTION_CENC) - 1);
	for (cur_info = drm_info->pssh_array.first; cur_info < drm_info->pssh_array.last; cur_info++)
	{
		if (vod_memcmp(cur_info->system_id, edash_playready_system_id, sizeof(edash_playready_system_id)) == 0)
		{
			if (context->write_playready_kid)
			{
				p = vod_copy(p, VOD_EDASH_MANIFEST_CONTENT_PROTECTION_PLAYREADY_V2_PART1, sizeof(VOD_EDASH_MANIFEST_CONTENT_PROTECTION_PLAYREADY_V2_PART1) - 1);
				p = mp4_encrypt_write_guid(p, cur_info->system_id);
				p = vod_copy(p, VOD_EDASH_MANIFEST_CONTENT_PROTECTION_PLAYREADY_V2_PART2, sizeof(VOD_EDASH_MANIFEST_CONTENT_PROTECTION_PLAYREADY_V2_PART2) - 1);
				p = mp4_encrypt_write_guid(p, drm_info->key_id);
			}
			else
			{
				p = vod_copy(p, VOD_EDASH_MANIFEST_CONTENT_PROTECTION_PLAYREADY_PART1, sizeof(VOD_EDASH_MANIFEST_CONTENT_PROTECTION_PLAYREADY_PART1) - 1);
				p = mp4_encrypt_write_guid(p, cur_info->system_id);
			}
			p = vod_copy(p, VOD_EDASH_MANIFEST_CONTENT_PROTECTION_PLAYREADY_PART3, sizeof(VOD_EDASH_MANIFEST_CONTENT_PROTECTION_PLAYREADY_PART3) - 1);

			base64.data = p;
			vod_encode_base64(&base64, &cur_info->data);
			p += base64.len;

			p = vod_copy(p, VOD_EDASH_MANIFEST_CONTENT_PROTECTION_PLAYREADY_PART4, sizeof(VOD_EDASH_MANIFEST_CONTENT_PROTECTION_PLAYREADY_PART4) - 1);
		}
		else
		{
			p = vod_copy(p, VOD_EDASH_MANIFEST_CONTENT_PROTECTION_CENC_PART1, sizeof(VOD_EDASH_MANIFEST_CONTENT_PROTECTION_CENC_PART1) - 1);
			p = mp4_encrypt_write_guid(p, cur_info->system_id);
			p = vod_copy(p, VOD_EDASH_MANIFEST_CONTENT_PROTECTION_CENC_PART2, sizeof(VOD_EDASH_MANIFEST_CONTENT_PROTECTION_CENC_PART2) - 1);
			p = mp4_encrypt_write_guid(p, drm_info->key_id);
			p = vod_copy(p, VOD_EDASH_MANIFEST_CONTENT_PROTECTION_CENC_PART3, sizeof(VOD_EDASH_MANIFEST_CONTENT_PROTECTION_CENC_PART3) - 1);

			pssh.data = context->temp_buffer;
			pssh.len = edash_packager_write_pssh(pssh.data, cur_info) - pssh.data;

			base64.data = p;
			vod_encode_base64(&base64, &pssh);
			p += base64.len;

			p = vod_copy(p, VOD_EDASH_MANIFEST_CONTENT_PROTECTION_CENC_PART4, sizeof(VOD_EDASH_MANIFEST_CONTENT_PROTECTION_CENC_PART4) - 1);
		}
	}
	return p;
}

示例#2

文件： edash_packager.c 项目： nginx-modules/nginx-vod-module

static u_char*
edash_packager_write_psshs(void* context, u_char* p)
{
	drm_system_info_array_t* pssh_array = (drm_system_info_array_t*)context;
	drm_system_info_t* cur_info;

	for (cur_info = pssh_array->first; cur_info < pssh_array->last; cur_info++)
	{
		p = edash_packager_write_pssh(p, cur_info);
	}

	return p;
}