Esempi in C++ (Cpp) per mp4_encrypt_passthrough_write_saiz_saio

Esempio n. 1

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

static u_char*
edash_packager_passthrough_write_encryption_atoms(void* ctx, u_char* p, size_t mdat_atom_start)
{
	mp4_encrypt_passthrough_context_t* context = ctx;
	media_clip_filtered_t* cur_clip;
	media_sequence_t* sequence = context->sequence;
	media_track_t* cur_track;
	size_t senc_atom_size;
	uint32_t flags;

	// saiz / saio
	p = mp4_encrypt_passthrough_write_saiz_saio(ctx, p, mdat_atom_start - context->auxiliary_info_size);

	// senc
	senc_atom_size = ATOM_HEADER_SIZE + sizeof(senc_atom_t) + context->auxiliary_info_size;
	write_atom_header(p, senc_atom_size, 's', 'e', 'n', 'c');
	flags = context->use_subsamples ? 0x2 : 0x0;
	write_be32(p, flags);		// flags
	write_be32(p, sequence->total_frame_count);
	for (cur_clip = sequence->filtered_clips; cur_clip < sequence->filtered_clips_end; cur_clip++)
	{
		cur_track = cur_clip->first_track;
		p = vod_copy(p, 
			cur_track->encryption_info.auxiliary_info, 
			cur_track->encryption_info.auxiliary_info_end - cur_track->encryption_info.auxiliary_info);
	}

	return p;
}

Esempio n. 2

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

static u_char*
mss_playready_passthrough_write_encryption_atoms(void* ctx, u_char* p, size_t mdat_atom_start)
{
	mp4_encrypt_passthrough_context_t* context = ctx;
	media_clip_filtered_t* cur_clip;
	media_sequence_t* sequence = context->sequence;
	media_track_t* cur_track;
	size_t auxiliary_data_offset;
	size_t uuid_atom_size;
	uint32_t flags;

	// uuid piff
	uuid_atom_size = ATOM_HEADER_SIZE + sizeof(uuid_piff_atom_t) + context->auxiliary_info_size;
	write_atom_header(p, uuid_atom_size, 'u', 'u', 'i', 'd');
	p = vod_copy(p, piff_uuid, sizeof(piff_uuid));
	flags = context->use_subsamples ? 0x2 : 0x0;
	write_be32(p, flags);		// flags
	write_be32(p, sequence->total_frame_count);
	for (cur_clip = sequence->filtered_clips; cur_clip < sequence->filtered_clips_end; cur_clip++)
	{
		cur_track = cur_clip->first_track;
		p = vod_copy(p,
			cur_track->encryption_info.auxiliary_info,
			cur_track->encryption_info.auxiliary_info_end - cur_track->encryption_info.auxiliary_info);
	}

	// saiz / saio
	auxiliary_data_offset = mdat_atom_start -
		(context->auxiliary_info_size +
		context->saiz_atom_size +
		context->saio_atom_size);

	p = mp4_encrypt_passthrough_write_saiz_saio(ctx, p, auxiliary_data_offset);

	return p;
}