1 files changed, 99 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/av1dec.h b/media/ffvpx/libavcodec/av1dec.h
new file mode 100644
index 0000000000..b6a0c08e48
--- /dev/null
+++ b/media/ffvpx/libavcodec/av1dec.h
@@ -0,0 +1,99 @@
+/*
+ * AV1 video decoder
+ * *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_AV1DEC_H
+#define AVCODEC_AV1DEC_H
+
+#include <stdint.h>
+
+#include "libavutil/fifo.h"
+#include "libavutil/frame.h"
+#include "libavutil/pixfmt.h"
+#include "avcodec.h"
+#include "packet.h"
+#include "cbs.h"
+#include "cbs_av1.h"
+
+typedef struct AV1Frame {
+    AVFrame *f;
+
+    void *hwaccel_picture_private; ///< RefStruct reference
+
+    AV1RawOBU *header_ref; ///< RefStruct reference backing raw_frame_header.
+    AV1RawFrameHeader *raw_frame_header;
+
+    int temporal_id;
+    int spatial_id;
+
+    uint8_t gm_invalid[AV1_NUM_REF_FRAMES];
+    uint8_t gm_type[AV1_NUM_REF_FRAMES];
+    int32_t gm_params[AV1_NUM_REF_FRAMES][6];
+
+    uint8_t skip_mode_frame_idx[2];
+
+    AV1RawFilmGrainParams film_grain;
+
+    uint8_t coded_lossless;
+} AV1Frame;
+
+typedef struct TileGroupInfo {
+    uint32_t tile_offset;
+    uint32_t tile_size;
+    uint16_t tile_row;
+    uint16_t tile_column;
+} TileGroupInfo;
+
+typedef struct AV1DecContext {
+    const AVClass *class;
+    AVCodecContext *avctx;
+
+    enum AVPixelFormat pix_fmt;
+    CodedBitstreamContext *cbc;
+    CodedBitstreamFragment current_obu;
+    AVPacket *pkt;
+
+    AV1RawOBU *seq_ref;    ///< RefStruct reference backing raw_seq
+    AV1RawSequenceHeader *raw_seq;
+    AV1RawOBU *header_ref; ///< RefStruct reference backing raw_frame_header
+    AV1RawFrameHeader *raw_frame_header;
+    TileGroupInfo *tile_group_info;
+
+    AV1RawOBU *cll_ref;    ///< RefStruct reference backing cll
+    AV1RawMetadataHDRCLL *cll;
+    AV1RawOBU *mdcv_ref;   ///< RefStruct reference backing mdcv
+    AV1RawMetadataHDRMDCV *mdcv;
+    AVFifo *itut_t35_fifo;
+
+    uint16_t tile_num;
+    uint16_t tg_start;
+    uint16_t tg_end;
+
+    int operating_point_idc;
+
+    AV1Frame ref[AV1_NUM_REF_FRAMES];
+    AV1Frame cur_frame;
+
+    int nb_unit;
+
+    // AVOptions
+    int operating_point;
+} AV1DecContext;
+
+#endif /* AVCODEC_AV1DEC_H */