michael@0: /*
michael@0:  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
michael@0:  *
michael@0:  *  Use of this source code is governed by a BSD-style license
michael@0:  *  that can be found in the LICENSE file in the root of the source
michael@0:  *  tree. An additional intellectual property rights grant can be found
michael@0:  *  in the file PATENTS.  All contributing project authors may
michael@0:  *  be found in the AUTHORS file in the root of the source tree.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #include <stdlib.h>
michael@0: #include <string.h>
michael@0: #include "vpx/vpx_decoder.h"
michael@0: #include "vpx/vp8dx.h"
michael@0: #include "vpx/internal/vpx_codec_internal.h"
michael@0: #include "./vpx_version.h"
michael@0: #include "vp9/decoder/vp9_onyxd.h"
michael@0: #include "vp9/decoder/vp9_onyxd_int.h"
michael@0: #include "vp9/decoder/vp9_read_bit_buffer.h"
michael@0: #include "vp9/vp9_iface_common.h"
michael@0: 
michael@0: #define VP9_CAP_POSTPROC (CONFIG_VP9_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0)
michael@0: typedef vpx_codec_stream_info_t  vp9_stream_info_t;
michael@0: 
michael@0: /* Structures for handling memory allocations */
michael@0: typedef enum {
michael@0:   VP9_SEG_ALG_PRIV     = 256,
michael@0:   VP9_SEG_MAX
michael@0: } mem_seg_id_t;
michael@0: #define NELEMENTS(x) ((int)(sizeof(x)/sizeof(x[0])))
michael@0: 
michael@0: static unsigned long priv_sz(const vpx_codec_dec_cfg_t *si,
michael@0:                              vpx_codec_flags_t flags);
michael@0: 
michael@0: static const mem_req_t vp9_mem_req_segs[] = {
michael@0:   {VP9_SEG_ALG_PRIV, 0, 8, VPX_CODEC_MEM_ZERO, priv_sz},
michael@0:   {VP9_SEG_MAX, 0, 0, 0, NULL}
michael@0: };
michael@0: 
michael@0: struct vpx_codec_alg_priv {
michael@0:   vpx_codec_priv_t        base;
michael@0:   vpx_codec_mmap_t        mmaps[NELEMENTS(vp9_mem_req_segs) - 1];
michael@0:   vpx_codec_dec_cfg_t     cfg;
michael@0:   vp9_stream_info_t       si;
michael@0:   int                     defer_alloc;
michael@0:   int                     decoder_init;
michael@0:   VP9D_PTR                pbi;
michael@0:   int                     postproc_cfg_set;
michael@0:   vp8_postproc_cfg_t      postproc_cfg;
michael@0: #if CONFIG_POSTPROC_VISUALIZER
michael@0:   unsigned int            dbg_postproc_flag;
michael@0:   int                     dbg_color_ref_frame_flag;
michael@0:   int                     dbg_color_mb_modes_flag;
michael@0:   int                     dbg_color_b_modes_flag;
michael@0:   int                     dbg_display_mv_flag;
michael@0: #endif
michael@0:   vpx_image_t             img;
michael@0:   int                     img_setup;
michael@0:   int                     img_avail;
michael@0:   int                     invert_tile_order;
michael@0: };
michael@0: 
michael@0: static unsigned long priv_sz(const vpx_codec_dec_cfg_t *si,
michael@0:                              vpx_codec_flags_t flags) {
michael@0:   /* Although this declaration is constant, we can't use it in the requested
michael@0:    * segments list because we want to define the requested segments list
michael@0:    * before defining the private type (so that the number of memory maps is
michael@0:    * known)
michael@0:    */
michael@0:   (void)si;
michael@0:   return sizeof(vpx_codec_alg_priv_t);
michael@0: }
michael@0: 
michael@0: static void vp9_init_ctx(vpx_codec_ctx_t *ctx, const vpx_codec_mmap_t *mmap) {
michael@0:   int i;
michael@0: 
michael@0:   ctx->priv = mmap->base;
michael@0:   ctx->priv->sz = sizeof(*ctx->priv);
michael@0:   ctx->priv->iface = ctx->iface;
michael@0:   ctx->priv->alg_priv = mmap->base;
michael@0: 
michael@0:   for (i = 0; i < NELEMENTS(ctx->priv->alg_priv->mmaps); i++)
michael@0:     ctx->priv->alg_priv->mmaps[i].id = vp9_mem_req_segs[i].id;
michael@0: 
michael@0:   ctx->priv->alg_priv->mmaps[0] = *mmap;
michael@0:   ctx->priv->alg_priv->si.sz = sizeof(ctx->priv->alg_priv->si);
michael@0:   ctx->priv->init_flags = ctx->init_flags;
michael@0: 
michael@0:   if (ctx->config.dec) {
michael@0:     /* Update the reference to the config structure to an internal copy. */
michael@0:     ctx->priv->alg_priv->cfg = *ctx->config.dec;
michael@0:     ctx->config.dec = &ctx->priv->alg_priv->cfg;
michael@0:   }
michael@0: }
michael@0: 
michael@0: static void vp9_finalize_mmaps(vpx_codec_alg_priv_t *ctx) {
michael@0:   /* nothing to clean up */
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t vp9_init(vpx_codec_ctx_t *ctx,
michael@0:                                 vpx_codec_priv_enc_mr_cfg_t *data) {
michael@0:   vpx_codec_err_t        res = VPX_CODEC_OK;
michael@0: 
michael@0:   /* This function only allocates space for the vpx_codec_alg_priv_t
michael@0:    * structure. More memory may be required at the time the stream
michael@0:    * information becomes known.
michael@0:    */
michael@0:   if (!ctx->priv) {
michael@0:     vpx_codec_mmap_t mmap;
michael@0: 
michael@0:     mmap.id = vp9_mem_req_segs[0].id;
michael@0:     mmap.sz = sizeof(vpx_codec_alg_priv_t);
michael@0:     mmap.align = vp9_mem_req_segs[0].align;
michael@0:     mmap.flags = vp9_mem_req_segs[0].flags;
michael@0: 
michael@0:     res = vpx_mmap_alloc(&mmap);
michael@0: 
michael@0:     if (!res) {
michael@0:       vp9_init_ctx(ctx, &mmap);
michael@0: 
michael@0:       ctx->priv->alg_priv->defer_alloc = 1;
michael@0:       /*post processing level initialized to do nothing */
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return res;
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t vp9_destroy(vpx_codec_alg_priv_t *ctx) {
michael@0:   int i;
michael@0: 
michael@0:   vp9_remove_decompressor(ctx->pbi);
michael@0: 
michael@0:   for (i = NELEMENTS(ctx->mmaps) - 1; i >= 0; i--) {
michael@0:     if (ctx->mmaps[i].dtor)
michael@0:       ctx->mmaps[i].dtor(&ctx->mmaps[i]);
michael@0:   }
michael@0: 
michael@0:   return VPX_CODEC_OK;
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t vp9_peek_si(const uint8_t         *data,
michael@0:                                    unsigned int           data_sz,
michael@0:                                    vpx_codec_stream_info_t *si) {
michael@0:   if (data_sz <= 8) return VPX_CODEC_UNSUP_BITSTREAM;
michael@0:   if (data + data_sz <= data) return VPX_CODEC_INVALID_PARAM;
michael@0: 
michael@0:   si->is_kf = 0;
michael@0:   si->w = si->h = 0;
michael@0: 
michael@0:   {
michael@0:     struct vp9_read_bit_buffer rb = { data, data + data_sz, 0, NULL, NULL };
michael@0:     const int frame_marker = vp9_rb_read_literal(&rb, 2);
michael@0:     const int version = vp9_rb_read_bit(&rb) | (vp9_rb_read_bit(&rb) << 1);
michael@0:     if (frame_marker != 0x2) return VPX_CODEC_UNSUP_BITSTREAM;
michael@0: #if CONFIG_NON420
michael@0:     if (version > 1) return VPX_CODEC_UNSUP_BITSTREAM;
michael@0: #else
michael@0:     if (version != 0) return VPX_CODEC_UNSUP_BITSTREAM;
michael@0: #endif
michael@0: 
michael@0:     if (vp9_rb_read_bit(&rb)) {  // show an existing frame
michael@0:       return VPX_CODEC_OK;
michael@0:     }
michael@0: 
michael@0:     si->is_kf = !vp9_rb_read_bit(&rb);
michael@0:     if (si->is_kf) {
michael@0:       const int sRGB = 7;
michael@0:       int colorspace;
michael@0: 
michael@0:       rb.bit_offset += 1;  // show frame
michael@0:       rb.bit_offset += 1;  // error resilient
michael@0: 
michael@0:       if (vp9_rb_read_literal(&rb, 8) != VP9_SYNC_CODE_0 ||
michael@0:           vp9_rb_read_literal(&rb, 8) != VP9_SYNC_CODE_1 ||
michael@0:           vp9_rb_read_literal(&rb, 8) != VP9_SYNC_CODE_2) {
michael@0:         return VPX_CODEC_UNSUP_BITSTREAM;
michael@0:       }
michael@0: 
michael@0:       colorspace = vp9_rb_read_literal(&rb, 3);
michael@0:       if (colorspace != sRGB) {
michael@0:         rb.bit_offset += 1;  // [16,235] (including xvycc) vs [0,255] range
michael@0:         if (version == 1) {
michael@0:           rb.bit_offset += 2;  // subsampling x/y
michael@0:           rb.bit_offset += 1;  // has extra plane
michael@0:         }
michael@0:       } else {
michael@0:         if (version == 1) {
michael@0:           rb.bit_offset += 1;  // has extra plane
michael@0:         } else {
michael@0:           // RGB is only available in version 1
michael@0:           return VPX_CODEC_UNSUP_BITSTREAM;
michael@0:         }
michael@0:       }
michael@0: 
michael@0:       // TODO(jzern): these are available on non-keyframes in intra only mode.
michael@0:       si->w = vp9_rb_read_literal(&rb, 16) + 1;
michael@0:       si->h = vp9_rb_read_literal(&rb, 16) + 1;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return VPX_CODEC_OK;
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t vp9_get_si(vpx_codec_alg_priv_t    *ctx,
michael@0:                                   vpx_codec_stream_info_t *si) {
michael@0:   unsigned int sz;
michael@0: 
michael@0:   if (si->sz >= sizeof(vp9_stream_info_t))
michael@0:     sz = sizeof(vp9_stream_info_t);
michael@0:   else
michael@0:     sz = sizeof(vpx_codec_stream_info_t);
michael@0: 
michael@0:   memcpy(si, &ctx->si, sz);
michael@0:   si->sz = sz;
michael@0: 
michael@0:   return VPX_CODEC_OK;
michael@0: }
michael@0: 
michael@0: 
michael@0: static vpx_codec_err_t
michael@0: update_error_state(vpx_codec_alg_priv_t                 *ctx,
michael@0:                    const struct vpx_internal_error_info *error) {
michael@0:   vpx_codec_err_t res;
michael@0: 
michael@0:   if ((res = error->error_code))
michael@0:     ctx->base.err_detail = error->has_detail
michael@0:                            ? error->detail
michael@0:                            : NULL;
michael@0: 
michael@0:   return res;
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t decode_one(vpx_codec_alg_priv_t  *ctx,
michael@0:                                   const uint8_t        **data,
michael@0:                                   unsigned int           data_sz,
michael@0:                                   void                  *user_priv,
michael@0:                                   long                   deadline) {
michael@0:   vpx_codec_err_t res = VPX_CODEC_OK;
michael@0: 
michael@0:   ctx->img_avail = 0;
michael@0: 
michael@0:   /* Determine the stream parameters. Note that we rely on peek_si to
michael@0:    * validate that we have a buffer that does not wrap around the top
michael@0:    * of the heap.
michael@0:    */
michael@0:   if (!ctx->si.h)
michael@0:     res = ctx->base.iface->dec.peek_si(*data, data_sz, &ctx->si);
michael@0: 
michael@0: 
michael@0:   /* Perform deferred allocations, if required */
michael@0:   if (!res && ctx->defer_alloc) {
michael@0:     int i;
michael@0: 
michael@0:     for (i = 1; !res && i < NELEMENTS(ctx->mmaps); i++) {
michael@0:       vpx_codec_dec_cfg_t cfg;
michael@0: 
michael@0:       cfg.w = ctx->si.w;
michael@0:       cfg.h = ctx->si.h;
michael@0:       ctx->mmaps[i].id = vp9_mem_req_segs[i].id;
michael@0:       ctx->mmaps[i].sz = vp9_mem_req_segs[i].sz;
michael@0:       ctx->mmaps[i].align = vp9_mem_req_segs[i].align;
michael@0:       ctx->mmaps[i].flags = vp9_mem_req_segs[i].flags;
michael@0: 
michael@0:       if (!ctx->mmaps[i].sz)
michael@0:         ctx->mmaps[i].sz = vp9_mem_req_segs[i].calc_sz(&cfg,
michael@0:                                                        ctx->base.init_flags);
michael@0: 
michael@0:       res = vpx_mmap_alloc(&ctx->mmaps[i]);
michael@0:     }
michael@0: 
michael@0:     if (!res)
michael@0:       vp9_finalize_mmaps(ctx);
michael@0: 
michael@0:     ctx->defer_alloc = 0;
michael@0:   }
michael@0: 
michael@0:   /* Initialize the decoder instance on the first frame*/
michael@0:   if (!res && !ctx->decoder_init) {
michael@0:     res = vpx_validate_mmaps(&ctx->si, ctx->mmaps,
michael@0:                              vp9_mem_req_segs, NELEMENTS(vp9_mem_req_segs),
michael@0:                              ctx->base.init_flags);
michael@0: 
michael@0:     if (!res) {
michael@0:       VP9D_CONFIG oxcf;
michael@0:       VP9D_PTR optr;
michael@0: 
michael@0:       vp9_initialize_dec();
michael@0: 
michael@0:       oxcf.width = ctx->si.w;
michael@0:       oxcf.height = ctx->si.h;
michael@0:       oxcf.version = 9;
michael@0:       oxcf.postprocess = 0;
michael@0:       oxcf.max_threads = ctx->cfg.threads;
michael@0:       oxcf.inv_tile_order = ctx->invert_tile_order;
michael@0:       optr = vp9_create_decompressor(&oxcf);
michael@0: 
michael@0:       /* If postprocessing was enabled by the application and a
michael@0:        * configuration has not been provided, default it.
michael@0:        */
michael@0:       if (!ctx->postproc_cfg_set
michael@0:           && (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)) {
michael@0:         ctx->postproc_cfg.post_proc_flag =
michael@0:           VP8_DEBLOCK | VP8_DEMACROBLOCK;
michael@0:         ctx->postproc_cfg.deblocking_level = 4;
michael@0:         ctx->postproc_cfg.noise_level = 0;
michael@0:       }
michael@0: 
michael@0:       if (!optr)
michael@0:         res = VPX_CODEC_ERROR;
michael@0:       else
michael@0:         ctx->pbi = optr;
michael@0:     }
michael@0: 
michael@0:     ctx->decoder_init = 1;
michael@0:   }
michael@0: 
michael@0:   if (!res && ctx->pbi) {
michael@0:     YV12_BUFFER_CONFIG sd;
michael@0:     int64_t time_stamp = 0, time_end_stamp = 0;
michael@0:     vp9_ppflags_t flags = {0};
michael@0: 
michael@0:     if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC) {
michael@0:       flags.post_proc_flag =
michael@0: #if CONFIG_POSTPROC_VISUALIZER
michael@0:           ((ctx->dbg_color_ref_frame_flag != 0) ?
michael@0:               VP9D_DEBUG_CLR_FRM_REF_BLKS : 0)
michael@0:           | ((ctx->dbg_color_mb_modes_flag != 0) ?
michael@0:               VP9D_DEBUG_CLR_BLK_MODES : 0)
michael@0:           | ((ctx->dbg_color_b_modes_flag != 0) ?
michael@0:               VP9D_DEBUG_CLR_BLK_MODES : 0)
michael@0:           | ((ctx->dbg_display_mv_flag != 0) ?
michael@0:               VP9D_DEBUG_DRAW_MV : 0)
michael@0:           |
michael@0: #endif
michael@0:           ctx->postproc_cfg.post_proc_flag;
michael@0: 
michael@0:       flags.deblocking_level      = ctx->postproc_cfg.deblocking_level;
michael@0:       flags.noise_level           = ctx->postproc_cfg.noise_level;
michael@0: #if CONFIG_POSTPROC_VISUALIZER
michael@0:       flags.display_ref_frame_flag = ctx->dbg_color_ref_frame_flag;
michael@0:       flags.display_mb_modes_flag = ctx->dbg_color_mb_modes_flag;
michael@0:       flags.display_b_modes_flag  = ctx->dbg_color_b_modes_flag;
michael@0:       flags.display_mv_flag       = ctx->dbg_display_mv_flag;
michael@0: #endif
michael@0:     }
michael@0: 
michael@0:     if (vp9_receive_compressed_data(ctx->pbi, data_sz, data, deadline)) {
michael@0:       VP9D_COMP *pbi = (VP9D_COMP *)ctx->pbi;
michael@0:       res = update_error_state(ctx, &pbi->common.error);
michael@0:     }
michael@0: 
michael@0:     if (!res && 0 == vp9_get_raw_frame(ctx->pbi, &sd, &time_stamp,
michael@0:                                        &time_end_stamp, &flags)) {
michael@0:       yuvconfig2image(&ctx->img, &sd, user_priv);
michael@0:       ctx->img_avail = 1;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return res;
michael@0: }
michael@0: 
michael@0: static void parse_superframe_index(const uint8_t *data,
michael@0:                                    size_t         data_sz,
michael@0:                                    uint32_t       sizes[8],
michael@0:                                    int           *count) {
michael@0:   uint8_t marker;
michael@0: 
michael@0:   assert(data_sz);
michael@0:   marker = data[data_sz - 1];
michael@0:   *count = 0;
michael@0: 
michael@0:   if ((marker & 0xe0) == 0xc0) {
michael@0:     const uint32_t frames = (marker & 0x7) + 1;
michael@0:     const uint32_t mag = ((marker >> 3) & 0x3) + 1;
michael@0:     const size_t index_sz = 2 + mag * frames;
michael@0: 
michael@0:     if (data_sz >= index_sz && data[data_sz - index_sz] == marker) {
michael@0:       // found a valid superframe index
michael@0:       uint32_t i, j;
michael@0:       const uint8_t *x = data + data_sz - index_sz + 1;
michael@0: 
michael@0:       for (i = 0; i < frames; i++) {
michael@0:         uint32_t this_sz = 0;
michael@0: 
michael@0:         for (j = 0; j < mag; j++)
michael@0:           this_sz |= (*x++) << (j * 8);
michael@0:         sizes[i] = this_sz;
michael@0:       }
michael@0: 
michael@0:       *count = frames;
michael@0:     }
michael@0:   }
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t vp9_decode(vpx_codec_alg_priv_t  *ctx,
michael@0:                                   const uint8_t         *data,
michael@0:                                   unsigned int           data_sz,
michael@0:                                   void                  *user_priv,
michael@0:                                   long                   deadline) {
michael@0:   const uint8_t *data_start = data;
michael@0:   const uint8_t *data_end = data + data_sz;
michael@0:   vpx_codec_err_t res = 0;
michael@0:   uint32_t sizes[8];
michael@0:   int frames_this_pts, frame_count = 0;
michael@0: 
michael@0:   if (data == NULL || data_sz == 0) return VPX_CODEC_INVALID_PARAM;
michael@0: 
michael@0:   parse_superframe_index(data, data_sz, sizes, &frames_this_pts);
michael@0: 
michael@0:   do {
michael@0:     // Skip over the superframe index, if present
michael@0:     if (data_sz && (*data_start & 0xe0) == 0xc0) {
michael@0:       const uint8_t marker = *data_start;
michael@0:       const uint32_t frames = (marker & 0x7) + 1;
michael@0:       const uint32_t mag = ((marker >> 3) & 0x3) + 1;
michael@0:       const uint32_t index_sz = 2 + mag * frames;
michael@0: 
michael@0:       if (data_sz >= index_sz && data_start[index_sz - 1] == marker) {
michael@0:         data_start += index_sz;
michael@0:         data_sz -= index_sz;
michael@0:         if (data_start < data_end)
michael@0:           continue;
michael@0:         else
michael@0:           break;
michael@0:       }
michael@0:     }
michael@0: 
michael@0:     // Use the correct size for this frame, if an index is present.
michael@0:     if (frames_this_pts) {
michael@0:       uint32_t this_sz = sizes[frame_count];
michael@0: 
michael@0:       if (data_sz < this_sz) {
michael@0:         ctx->base.err_detail = "Invalid frame size in index";
michael@0:         return VPX_CODEC_CORRUPT_FRAME;
michael@0:       }
michael@0: 
michael@0:       data_sz = this_sz;
michael@0:       frame_count++;
michael@0:     }
michael@0: 
michael@0:     res = decode_one(ctx, &data_start, data_sz, user_priv, deadline);
michael@0:     assert(data_start >= data);
michael@0:     assert(data_start <= data_end);
michael@0: 
michael@0:     /* Early exit if there was a decode error */
michael@0:     if (res)
michael@0:       break;
michael@0: 
michael@0:     /* Account for suboptimal termination by the encoder. */
michael@0:     while (data_start < data_end && *data_start == 0)
michael@0:       data_start++;
michael@0: 
michael@0:     data_sz = data_end - data_start;
michael@0:   } while (data_start < data_end);
michael@0:   return res;
michael@0: }
michael@0: 
michael@0: static vpx_image_t *vp9_get_frame(vpx_codec_alg_priv_t  *ctx,
michael@0:                                   vpx_codec_iter_t      *iter) {
michael@0:   vpx_image_t *img = NULL;
michael@0: 
michael@0:   if (ctx->img_avail) {
michael@0:     /* iter acts as a flip flop, so an image is only returned on the first
michael@0:      * call to get_frame.
michael@0:      */
michael@0:     if (!(*iter)) {
michael@0:       img = &ctx->img;
michael@0:       *iter = img;
michael@0:     }
michael@0:   }
michael@0:   ctx->img_avail = 0;
michael@0: 
michael@0:   return img;
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t vp9_xma_get_mmap(const vpx_codec_ctx_t      *ctx,
michael@0:                                         vpx_codec_mmap_t           *mmap,
michael@0:                                         vpx_codec_iter_t           *iter) {
michael@0:   vpx_codec_err_t     res;
michael@0:   const mem_req_t  *seg_iter = *iter;
michael@0: 
michael@0:   /* Get address of next segment request */
michael@0:   do {
michael@0:     if (!seg_iter)
michael@0:       seg_iter = vp9_mem_req_segs;
michael@0:     else if (seg_iter->id != VP9_SEG_MAX)
michael@0:       seg_iter++;
michael@0: 
michael@0:     *iter = (vpx_codec_iter_t)seg_iter;
michael@0: 
michael@0:     if (seg_iter->id != VP9_SEG_MAX) {
michael@0:       mmap->id = seg_iter->id;
michael@0:       mmap->sz = seg_iter->sz;
michael@0:       mmap->align = seg_iter->align;
michael@0:       mmap->flags = seg_iter->flags;
michael@0: 
michael@0:       if (!seg_iter->sz)
michael@0:         mmap->sz = seg_iter->calc_sz(ctx->config.dec, ctx->init_flags);
michael@0: 
michael@0:       res = VPX_CODEC_OK;
michael@0:     } else {
michael@0:       res = VPX_CODEC_LIST_END;
michael@0:     }
michael@0:   } while (!mmap->sz && res != VPX_CODEC_LIST_END);
michael@0: 
michael@0:   return res;
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t vp9_xma_set_mmap(vpx_codec_ctx_t         *ctx,
michael@0:                                         const vpx_codec_mmap_t  *mmap) {
michael@0:   vpx_codec_err_t res = VPX_CODEC_MEM_ERROR;
michael@0:   int i, done;
michael@0: 
michael@0:   if (!ctx->priv) {
michael@0:     if (mmap->id == VP9_SEG_ALG_PRIV) {
michael@0:       if (!ctx->priv) {
michael@0:         vp9_init_ctx(ctx, mmap);
michael@0:         res = VPX_CODEC_OK;
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   done = 1;
michael@0: 
michael@0:   if (!res && ctx->priv->alg_priv) {
michael@0:     for (i = 0; i < NELEMENTS(ctx->priv->alg_priv->mmaps); i++) {
michael@0:       if (ctx->priv->alg_priv->mmaps[i].id == mmap->id)
michael@0:         if (!ctx->priv->alg_priv->mmaps[i].base) {
michael@0:           ctx->priv->alg_priv->mmaps[i] = *mmap;
michael@0:           res = VPX_CODEC_OK;
michael@0:         }
michael@0: 
michael@0:       done &= (ctx->priv->alg_priv->mmaps[i].base != NULL);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   if (done && !res) {
michael@0:     vp9_finalize_mmaps(ctx->priv->alg_priv);
michael@0:     res = ctx->iface->init(ctx, NULL);
michael@0:   }
michael@0: 
michael@0:   return res;
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t set_reference(vpx_codec_alg_priv_t *ctx,
michael@0:                                      int ctr_id,
michael@0:                                      va_list args) {
michael@0:   vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
michael@0: 
michael@0:   if (data) {
michael@0:     vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
michael@0:     YV12_BUFFER_CONFIG sd;
michael@0: 
michael@0:     image2yuvconfig(&frame->img, &sd);
michael@0: 
michael@0:     return vp9_set_reference_dec(ctx->pbi,
michael@0:                                  (VP9_REFFRAME)frame->frame_type, &sd);
michael@0:   } else {
michael@0:     return VPX_CODEC_INVALID_PARAM;
michael@0:   }
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t copy_reference(vpx_codec_alg_priv_t *ctx,
michael@0:                                       int ctr_id,
michael@0:                                       va_list args) {
michael@0:   vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
michael@0: 
michael@0:   if (data) {
michael@0:     vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
michael@0:     YV12_BUFFER_CONFIG sd;
michael@0: 
michael@0:     image2yuvconfig(&frame->img, &sd);
michael@0: 
michael@0:     return vp9_copy_reference_dec(ctx->pbi,
michael@0:                                   (VP9_REFFRAME)frame->frame_type, &sd);
michael@0:   } else {
michael@0:     return VPX_CODEC_INVALID_PARAM;
michael@0:   }
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t get_reference(vpx_codec_alg_priv_t *ctx,
michael@0:                                      int ctr_id,
michael@0:                                      va_list args) {
michael@0:   vp9_ref_frame_t *data = va_arg(args, vp9_ref_frame_t *);
michael@0: 
michael@0:   if (data) {
michael@0:     YV12_BUFFER_CONFIG* fb;
michael@0: 
michael@0:     vp9_get_reference_dec(ctx->pbi, data->idx, &fb);
michael@0:     yuvconfig2image(&data->img, fb, NULL);
michael@0:     return VPX_CODEC_OK;
michael@0:   } else {
michael@0:     return VPX_CODEC_INVALID_PARAM;
michael@0:   }
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t set_postproc(vpx_codec_alg_priv_t *ctx,
michael@0:                                     int ctr_id,
michael@0:                                     va_list args) {
michael@0: #if CONFIG_VP9_POSTPROC
michael@0:   vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
michael@0: 
michael@0:   if (data) {
michael@0:     ctx->postproc_cfg_set = 1;
michael@0:     ctx->postproc_cfg = *((vp8_postproc_cfg_t *)data);
michael@0:     return VPX_CODEC_OK;
michael@0:   } else {
michael@0:     return VPX_CODEC_INVALID_PARAM;
michael@0:   }
michael@0: #else
michael@0:   return VPX_CODEC_INCAPABLE;
michael@0: #endif
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t set_dbg_options(vpx_codec_alg_priv_t *ctx,
michael@0:                                        int ctrl_id,
michael@0:                                        va_list args) {
michael@0: #if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
michael@0:   int data = va_arg(args, int);
michael@0: 
michael@0: #define MAP(id, var) case id: var = data; break;
michael@0: 
michael@0:   switch (ctrl_id) {
michael@0:       MAP(VP8_SET_DBG_COLOR_REF_FRAME,   ctx->dbg_color_ref_frame_flag);
michael@0:       MAP(VP8_SET_DBG_COLOR_MB_MODES,    ctx->dbg_color_mb_modes_flag);
michael@0:       MAP(VP8_SET_DBG_COLOR_B_MODES,     ctx->dbg_color_b_modes_flag);
michael@0:       MAP(VP8_SET_DBG_DISPLAY_MV,        ctx->dbg_display_mv_flag);
michael@0:   }
michael@0: 
michael@0:   return VPX_CODEC_OK;
michael@0: #else
michael@0:   return VPX_CODEC_INCAPABLE;
michael@0: #endif
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t get_last_ref_updates(vpx_codec_alg_priv_t *ctx,
michael@0:                                             int ctrl_id,
michael@0:                                             va_list args) {
michael@0:   int *update_info = va_arg(args, int *);
michael@0:   VP9D_COMP *pbi = (VP9D_COMP *)ctx->pbi;
michael@0: 
michael@0:   if (update_info) {
michael@0:     *update_info = pbi->refresh_frame_flags;
michael@0: 
michael@0:     return VPX_CODEC_OK;
michael@0:   } else {
michael@0:     return VPX_CODEC_INVALID_PARAM;
michael@0:   }
michael@0: }
michael@0: 
michael@0: 
michael@0: static vpx_codec_err_t get_frame_corrupted(vpx_codec_alg_priv_t *ctx,
michael@0:                                            int ctrl_id,
michael@0:                                            va_list args) {
michael@0:   int *corrupted = va_arg(args, int *);
michael@0: 
michael@0:   if (corrupted) {
michael@0:     VP9D_COMP *pbi = (VP9D_COMP *)ctx->pbi;
michael@0:     if (pbi)
michael@0:       *corrupted = pbi->common.frame_to_show->corrupted;
michael@0:     else
michael@0:       return VPX_CODEC_ERROR;
michael@0:     return VPX_CODEC_OK;
michael@0:   } else {
michael@0:     return VPX_CODEC_INVALID_PARAM;
michael@0:   }
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t set_invert_tile_order(vpx_codec_alg_priv_t *ctx,
michael@0:                                              int ctr_id,
michael@0:                                              va_list args) {
michael@0:   ctx->invert_tile_order = va_arg(args, int);
michael@0:   return VPX_CODEC_OK;
michael@0: }
michael@0: 
michael@0: static vpx_codec_ctrl_fn_map_t ctf_maps[] = {
michael@0:   {VP8_SET_REFERENCE,             set_reference},
michael@0:   {VP8_COPY_REFERENCE,            copy_reference},
michael@0:   {VP8_SET_POSTPROC,              set_postproc},
michael@0:   {VP8_SET_DBG_COLOR_REF_FRAME,   set_dbg_options},
michael@0:   {VP8_SET_DBG_COLOR_MB_MODES,    set_dbg_options},
michael@0:   {VP8_SET_DBG_COLOR_B_MODES,     set_dbg_options},
michael@0:   {VP8_SET_DBG_DISPLAY_MV,        set_dbg_options},
michael@0:   {VP8D_GET_LAST_REF_UPDATES,     get_last_ref_updates},
michael@0:   {VP8D_GET_FRAME_CORRUPTED,      get_frame_corrupted},
michael@0:   {VP9_GET_REFERENCE,             get_reference},
michael@0:   {VP9_INVERT_TILE_DECODE_ORDER,  set_invert_tile_order},
michael@0:   { -1, NULL},
michael@0: };
michael@0: 
michael@0: 
michael@0: #ifndef VERSION_STRING
michael@0: #define VERSION_STRING
michael@0: #endif
michael@0: CODEC_INTERFACE(vpx_codec_vp9_dx) = {
michael@0:   "WebM Project VP9 Decoder" VERSION_STRING,
michael@0:   VPX_CODEC_INTERNAL_ABI_VERSION,
michael@0:   VPX_CODEC_CAP_DECODER | VP9_CAP_POSTPROC,
michael@0:   /* vpx_codec_caps_t          caps; */
michael@0:   vp9_init,         /* vpx_codec_init_fn_t       init; */
michael@0:   vp9_destroy,      /* vpx_codec_destroy_fn_t    destroy; */
michael@0:   ctf_maps,         /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
michael@0:   vp9_xma_get_mmap, /* vpx_codec_get_mmap_fn_t   get_mmap; */
michael@0:   vp9_xma_set_mmap, /* vpx_codec_set_mmap_fn_t   set_mmap; */
michael@0:   { // NOLINT
michael@0:     vp9_peek_si,      /* vpx_codec_peek_si_fn_t    peek_si; */
michael@0:     vp9_get_si,       /* vpx_codec_get_si_fn_t     get_si; */
michael@0:     vp9_decode,       /* vpx_codec_decode_fn_t     decode; */
michael@0:     vp9_get_frame,    /* vpx_codec_frame_get_fn_t  frame_get; */
michael@0:   },
michael@0:   { // NOLINT
michael@0:     /* encoder functions */
michael@0:     NOT_IMPLEMENTED,
michael@0:     NOT_IMPLEMENTED,
michael@0:     NOT_IMPLEMENTED,
michael@0:     NOT_IMPLEMENTED,
michael@0:     NOT_IMPLEMENTED,
michael@0:     NOT_IMPLEMENTED
michael@0:   }
michael@0: };