From 5e1bbb8c7e7008151b36ab0ba253466f3fae64ef Mon Sep 17 00:00:00 2001 From: Justin Ruggles Date: Tue, 4 Dec 2012 13:46:20 -0500 Subject: alacenc: add support for multi-channel encoding --- libavcodec/alac_data.h | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 libavcodec/alac_data.h (limited to 'libavcodec/alac_data.h') diff --git a/libavcodec/alac_data.h b/libavcodec/alac_data.h new file mode 100644 index 0000000..ebb1f33 --- /dev/null +++ b/libavcodec/alac_data.h @@ -0,0 +1,46 @@ +/* + * ALAC encoder and decoder common data + * + * This file is part of Libav. + * + * Libav is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * Libav is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVCODEC_ALAC_DATA_H +#define AVCODEC_ALAC_DATA_H + +#include + +enum AlacRawDataBlockType { + /* At the moment, only SCE, CPE, LFE, and END are recognized. */ + TYPE_SCE, + TYPE_CPE, + TYPE_CCE, + TYPE_LFE, + TYPE_DSE, + TYPE_PCE, + TYPE_FIL, + TYPE_END +}; + +#define ALAC_MAX_CHANNELS 8 + +extern const uint8_t ff_alac_channel_layout_offsets[ALAC_MAX_CHANNELS][ALAC_MAX_CHANNELS]; + +extern const uint64_t ff_alac_channel_layouts[ALAC_MAX_CHANNELS + 1]; + +extern const enum AlacRawDataBlockType ff_alac_channel_elements[ALAC_MAX_CHANNELS][5]; + +#endif /* AVCODEC_ALAC_DATA_H */ -- cgit v1.1