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 "vp8_rtcd.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 "common/onyxd.h"
michael@0: #include "decoder/onyxd_int.h"
michael@0: #include "common/alloccommon.h"
michael@0: #include "vpx_mem/vpx_mem.h"
michael@0: #if CONFIG_ERROR_CONCEALMENT
michael@0: #include "decoder/error_concealment.h"
michael@0: #endif
michael@0: #include "decoder/decoderthreading.h"
michael@0: 
michael@0: #define VP8_CAP_POSTPROC (CONFIG_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0)
michael@0: #define VP8_CAP_ERROR_CONCEALMENT (CONFIG_ERROR_CONCEALMENT ? \
michael@0:                                     VPX_CODEC_CAP_ERROR_CONCEALMENT : 0)
michael@0: 
michael@0: typedef vpx_codec_stream_info_t  vp8_stream_info_t;
michael@0: 
michael@0: /* Structures for handling memory allocations */
michael@0: typedef enum
michael@0: {
michael@0:     VP8_SEG_ALG_PRIV     = 256,
michael@0:     VP8_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 vp8_priv_sz(const vpx_codec_dec_cfg_t *si, vpx_codec_flags_t);
michael@0: 
michael@0: static const mem_req_t vp8_mem_req_segs[] =
michael@0: {
michael@0:     {VP8_SEG_ALG_PRIV,    0, 8, VPX_CODEC_MEM_ZERO, vp8_priv_sz},
michael@0:     {VP8_SEG_MAX, 0, 0, 0, NULL}
michael@0: };
michael@0: 
michael@0: struct vpx_codec_alg_priv
michael@0: {
michael@0:     vpx_codec_priv_t        base;
michael@0:     vpx_codec_mmap_t        mmaps[NELEMENTS(vp8_mem_req_segs)-1];
michael@0:     vpx_codec_dec_cfg_t     cfg;
michael@0:     vp8_stream_info_t       si;
michael@0:     int                     defer_alloc;
michael@0:     int                     decoder_init;
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:     vp8_decrypt_cb          *decrypt_cb;
michael@0:     void                    *decrypt_state;
michael@0:     vpx_image_t             img;
michael@0:     int                     img_setup;
michael@0:     struct frame_buffers    yv12_frame_buffers;
michael@0:     void                    *user_priv;
michael@0:     FRAGMENT_DATA           fragments;
michael@0: };
michael@0: 
michael@0: static unsigned long vp8_priv_sz(const vpx_codec_dec_cfg_t *si, vpx_codec_flags_t flags)
michael@0: {
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 vp8_init_ctx(vpx_codec_ctx_t *ctx, const vpx_codec_mmap_t *mmap)
michael@0: {
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 = vp8_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->alg_priv->decrypt_cb = NULL;
michael@0:     ctx->priv->alg_priv->decrypt_state = NULL;
michael@0:     ctx->priv->init_flags = ctx->init_flags;
michael@0: 
michael@0:     if (ctx->config.dec)
michael@0:     {
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 vp8_finalize_mmaps(vpx_codec_alg_priv_t *ctx)
michael@0: {
michael@0:     /* nothing to clean up */
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t vp8_init(vpx_codec_ctx_t *ctx,
michael@0:                                 vpx_codec_priv_enc_mr_cfg_t *data)
michael@0: {
michael@0:     vpx_codec_err_t        res = VPX_CODEC_OK;
michael@0:     (void) data;
michael@0: 
michael@0:     vp8_rtcd();
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:     {
michael@0:         vpx_codec_mmap_t mmap;
michael@0: 
michael@0:         mmap.id = vp8_mem_req_segs[0].id;
michael@0:         mmap.sz = sizeof(vpx_codec_alg_priv_t);
michael@0:         mmap.align = vp8_mem_req_segs[0].align;
michael@0:         mmap.flags = vp8_mem_req_segs[0].flags;
michael@0: 
michael@0:         res = vpx_mmap_alloc(&mmap);
michael@0:         if (res != VPX_CODEC_OK) return res;
michael@0: 
michael@0:         vp8_init_ctx(ctx, &mmap);
michael@0: 
michael@0:         /* initialize number of fragments to zero */
michael@0:         ctx->priv->alg_priv->fragments.count = 0;
michael@0:         /* is input fragments enabled? */
michael@0:         ctx->priv->alg_priv->fragments.enabled =
michael@0:                 (ctx->priv->alg_priv->base.init_flags &
michael@0:                     VPX_CODEC_USE_INPUT_FRAGMENTS);
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:     ctx->priv->alg_priv->yv12_frame_buffers.use_frame_threads =
michael@0:             (ctx->priv->alg_priv->base.init_flags &
michael@0:                     VPX_CODEC_USE_FRAME_THREADING);
michael@0: 
michael@0:     /* for now, disable frame threading */
michael@0:     ctx->priv->alg_priv->yv12_frame_buffers.use_frame_threads = 0;
michael@0: 
michael@0:     if(ctx->priv->alg_priv->yv12_frame_buffers.use_frame_threads &&
michael@0:             (( ctx->priv->alg_priv->base.init_flags &
michael@0:                             VPX_CODEC_USE_ERROR_CONCEALMENT)
michael@0:                     || ( ctx->priv->alg_priv->base.init_flags &
michael@0:                             VPX_CODEC_USE_INPUT_FRAGMENTS) ) )
michael@0:     {
michael@0:         /* row-based threading, error concealment, and input fragments will
michael@0:          * not be supported when using frame-based threading */
michael@0:         res = VPX_CODEC_INVALID_PARAM;
michael@0:     }
michael@0: 
michael@0:     return res;
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t vp8_destroy(vpx_codec_alg_priv_t *ctx)
michael@0: {
michael@0:     int i;
michael@0: 
michael@0:     vp8_remove_decoder_instances(&ctx->yv12_frame_buffers);
michael@0: 
michael@0:     for (i = NELEMENTS(ctx->mmaps) - 1; i >= 0; i--)
michael@0:     {
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 vp8_peek_si_internal(const uint8_t *data,
michael@0:                                             unsigned int data_sz,
michael@0:                                             vpx_codec_stream_info_t *si,
michael@0:                                             vp8_decrypt_cb *decrypt_cb,
michael@0:                                             void *decrypt_state)
michael@0: {
michael@0:     vpx_codec_err_t res = VPX_CODEC_OK;
michael@0: 
michael@0:     if(data + data_sz <= data)
michael@0:     {
michael@0:         res = VPX_CODEC_INVALID_PARAM;
michael@0:     }
michael@0:     else
michael@0:     {
michael@0:         /* Parse uncompresssed part of key frame header.
michael@0:          * 3 bytes:- including version, frame type and an offset
michael@0:          * 3 bytes:- sync code (0x9d, 0x01, 0x2a)
michael@0:          * 4 bytes:- including image width and height in the lowest 14 bits
michael@0:          *           of each 2-byte value.
michael@0:          */
michael@0:         uint8_t clear_buffer[10];
michael@0:         const uint8_t *clear = data;
michael@0:         if (decrypt_cb)
michael@0:         {
michael@0:             int n = data_sz > 10 ? 10 : data_sz;
michael@0:             decrypt_cb(decrypt_state, data, clear_buffer, n);
michael@0:             clear = clear_buffer;
michael@0:         }
michael@0:         si->is_kf = 0;
michael@0: 
michael@0:         if (data_sz >= 10 && !(clear[0] & 0x01))  /* I-Frame */
michael@0:         {
michael@0:             si->is_kf = 1;
michael@0: 
michael@0:             /* vet via sync code */
michael@0:             if (clear[3] != 0x9d || clear[4] != 0x01 || clear[5] != 0x2a)
michael@0:                 res = VPX_CODEC_UNSUP_BITSTREAM;
michael@0: 
michael@0:             si->w = (clear[6] | (clear[7] << 8)) & 0x3fff;
michael@0:             si->h = (clear[8] | (clear[9] << 8)) & 0x3fff;
michael@0: 
michael@0:             /*printf("w=%d, h=%d\n", si->w, si->h);*/
michael@0:             if (!(si->h | si->w))
michael@0:                 res = VPX_CODEC_UNSUP_BITSTREAM;
michael@0:         }
michael@0:         else
michael@0:         {
michael@0:             res = VPX_CODEC_UNSUP_BITSTREAM;
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     return res;
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t vp8_peek_si(const uint8_t *data,
michael@0:                                    unsigned int data_sz,
michael@0:                                    vpx_codec_stream_info_t *si) {
michael@0:     return vp8_peek_si_internal(data, data_sz, si, NULL, NULL);
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t vp8_get_si(vpx_codec_alg_priv_t    *ctx,
michael@0:                                   vpx_codec_stream_info_t *si)
michael@0: {
michael@0: 
michael@0:     unsigned int sz;
michael@0: 
michael@0:     if (si->sz >= sizeof(vp8_stream_info_t))
michael@0:         sz = sizeof(vp8_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: {
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 void yuvconfig2image(vpx_image_t               *img,
michael@0:                             const YV12_BUFFER_CONFIG  *yv12,
michael@0:                             void                      *user_priv)
michael@0: {
michael@0:     /** vpx_img_wrap() doesn't allow specifying independent strides for
michael@0:       * the Y, U, and V planes, nor other alignment adjustments that
michael@0:       * might be representable by a YV12_BUFFER_CONFIG, so we just
michael@0:       * initialize all the fields.*/
michael@0:     img->fmt = VPX_IMG_FMT_I420;
michael@0:     img->w = yv12->y_stride;
michael@0:     img->h = (yv12->y_height + 2 * VP8BORDERINPIXELS + 15) & ~15;
michael@0:     img->d_w = yv12->y_width;
michael@0:     img->d_h = yv12->y_height;
michael@0:     img->x_chroma_shift = 1;
michael@0:     img->y_chroma_shift = 1;
michael@0:     img->planes[VPX_PLANE_Y] = yv12->y_buffer;
michael@0:     img->planes[VPX_PLANE_U] = yv12->u_buffer;
michael@0:     img->planes[VPX_PLANE_V] = yv12->v_buffer;
michael@0:     img->planes[VPX_PLANE_ALPHA] = NULL;
michael@0:     img->stride[VPX_PLANE_Y] = yv12->y_stride;
michael@0:     img->stride[VPX_PLANE_U] = yv12->uv_stride;
michael@0:     img->stride[VPX_PLANE_V] = yv12->uv_stride;
michael@0:     img->stride[VPX_PLANE_ALPHA] = yv12->y_stride;
michael@0:     img->bps = 12;
michael@0:     img->user_priv = user_priv;
michael@0:     img->img_data = yv12->buffer_alloc;
michael@0:     img->img_data_owner = 0;
michael@0:     img->self_allocd = 0;
michael@0: }
michael@0: 
michael@0: static int
michael@0: update_fragments(vpx_codec_alg_priv_t  *ctx,
michael@0:                  const uint8_t         *data,
michael@0:                  unsigned int           data_sz,
michael@0:                  vpx_codec_err_t       *res)
michael@0: {
michael@0:     *res = VPX_CODEC_OK;
michael@0: 
michael@0:     if (ctx->fragments.count == 0)
michael@0:     {
michael@0:         /* New frame, reset fragment pointers and sizes */
michael@0:         vpx_memset((void*)ctx->fragments.ptrs, 0, sizeof(ctx->fragments.ptrs));
michael@0:         vpx_memset(ctx->fragments.sizes, 0, sizeof(ctx->fragments.sizes));
michael@0:     }
michael@0:     if (ctx->fragments.enabled && !(data == NULL && data_sz == 0))
michael@0:     {
michael@0:         /* Store a pointer to this fragment and return. We haven't
michael@0:          * received the complete frame yet, so we will wait with decoding.
michael@0:          */
michael@0:         ctx->fragments.ptrs[ctx->fragments.count] = data;
michael@0:         ctx->fragments.sizes[ctx->fragments.count] = data_sz;
michael@0:         ctx->fragments.count++;
michael@0:         if (ctx->fragments.count > (1 << EIGHT_PARTITION) + 1)
michael@0:         {
michael@0:             ctx->fragments.count = 0;
michael@0:             *res = VPX_CODEC_INVALID_PARAM;
michael@0:             return -1;
michael@0:         }
michael@0:         return 0;
michael@0:     }
michael@0: 
michael@0:     if (!ctx->fragments.enabled)
michael@0:     {
michael@0:         ctx->fragments.ptrs[0] = data;
michael@0:         ctx->fragments.sizes[0] = data_sz;
michael@0:         ctx->fragments.count = 1;
michael@0:     }
michael@0: 
michael@0:     return 1;
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t vp8_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: {
michael@0:     vpx_codec_err_t res = VPX_CODEC_OK;
michael@0:     unsigned int resolution_change = 0;
michael@0:     unsigned int w, h;
michael@0: 
michael@0: 
michael@0:     /* Update the input fragment data */
michael@0:     if(update_fragments(ctx, data, data_sz, &res) <= 0)
michael@0:         return res;
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:     w = ctx->si.w;
michael@0:     h = ctx->si.h;
michael@0: 
michael@0:     res = vp8_peek_si_internal(ctx->fragments.ptrs[0], ctx->fragments.sizes[0],
michael@0:                                &ctx->si, ctx->decrypt_cb, ctx->decrypt_state);
michael@0: 
michael@0:     if((res == VPX_CODEC_UNSUP_BITSTREAM) && !ctx->si.is_kf)
michael@0:     {
michael@0:         /* the peek function returns an error for non keyframes, however for
michael@0:          * this case, it is not an error */
michael@0:         res = VPX_CODEC_OK;
michael@0:     }
michael@0: 
michael@0:     if(!ctx->decoder_init && !ctx->si.is_kf)
michael@0:         res = VPX_CODEC_UNSUP_BITSTREAM;
michael@0: 
michael@0:     if ((ctx->si.h != h) || (ctx->si.w != w))
michael@0:         resolution_change = 1;
michael@0: 
michael@0:     /* Perform deferred allocations, if required */
michael@0:     if (!res && ctx->defer_alloc)
michael@0:     {
michael@0:         int i;
michael@0: 
michael@0:         for (i = 1; !res && i < NELEMENTS(ctx->mmaps); i++)
michael@0:         {
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 = vp8_mem_req_segs[i].id;
michael@0:             ctx->mmaps[i].sz = vp8_mem_req_segs[i].sz;
michael@0:             ctx->mmaps[i].align = vp8_mem_req_segs[i].align;
michael@0:             ctx->mmaps[i].flags = vp8_mem_req_segs[i].flags;
michael@0: 
michael@0:             if (!ctx->mmaps[i].sz)
michael@0:                 ctx->mmaps[i].sz = vp8_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:             vp8_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:     {
michael@0:         res = vpx_validate_mmaps(&ctx->si, ctx->mmaps,
michael@0:                                  vp8_mem_req_segs, NELEMENTS(vp8_mem_req_segs),
michael@0:                                  ctx->base.init_flags);
michael@0: 
michael@0:         if (!res)
michael@0:         {
michael@0:             VP8D_CONFIG oxcf;
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.error_concealment =
michael@0:                     (ctx->base.init_flags & VPX_CODEC_USE_ERROR_CONCEALMENT);
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:             {
michael@0:                 ctx->postproc_cfg.post_proc_flag =
michael@0:                     VP8_DEBLOCK | VP8_DEMACROBLOCK | VP8_MFQE;
michael@0:                 ctx->postproc_cfg.deblocking_level = 4;
michael@0:                 ctx->postproc_cfg.noise_level = 0;
michael@0:             }
michael@0: 
michael@0:             res = vp8_create_decoder_instances(&ctx->yv12_frame_buffers, &oxcf);
michael@0:             ctx->yv12_frame_buffers.pbi[0]->decrypt_cb = ctx->decrypt_cb;
michael@0:             ctx->yv12_frame_buffers.pbi[0]->decrypt_state = ctx->decrypt_state;
michael@0:         }
michael@0: 
michael@0:         ctx->decoder_init = 1;
michael@0:     }
michael@0: 
michael@0:     if (!res)
michael@0:     {
michael@0:         VP8D_COMP *pbi = ctx->yv12_frame_buffers.pbi[0];
michael@0:         if(resolution_change)
michael@0:         {
michael@0:             VP8_COMMON *const pc = & pbi->common;
michael@0:             MACROBLOCKD *const xd  = & pbi->mb;
michael@0: #if CONFIG_MULTITHREAD
michael@0:             int i;
michael@0: #endif
michael@0:             pc->Width = ctx->si.w;
michael@0:             pc->Height = ctx->si.h;
michael@0:             {
michael@0:                 int prev_mb_rows = pc->mb_rows;
michael@0: 
michael@0:                 if (setjmp(pbi->common.error.jmp))
michael@0:                 {
michael@0:                     pbi->common.error.setjmp = 0;
michael@0:                     /* same return value as used in vp8dx_receive_compressed_data */
michael@0:                     return -1;
michael@0:                 }
michael@0: 
michael@0:                 pbi->common.error.setjmp = 1;
michael@0: 
michael@0:                 if (pc->Width <= 0)
michael@0:                 {
michael@0:                     pc->Width = w;
michael@0:                     vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME,
michael@0:                                        "Invalid frame width");
michael@0:                 }
michael@0: 
michael@0:                 if (pc->Height <= 0)
michael@0:                 {
michael@0:                     pc->Height = h;
michael@0:                     vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME,
michael@0:                                        "Invalid frame height");
michael@0:                 }
michael@0: 
michael@0:                 if (vp8_alloc_frame_buffers(pc, pc->Width, pc->Height))
michael@0:                     vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR,
michael@0:                                        "Failed to allocate frame buffers");
michael@0: 
michael@0:                 xd->pre = pc->yv12_fb[pc->lst_fb_idx];
michael@0:                 xd->dst = pc->yv12_fb[pc->new_fb_idx];
michael@0: 
michael@0: #if CONFIG_MULTITHREAD
michael@0:                 for (i = 0; i < pbi->allocated_decoding_thread_count; i++)
michael@0:                 {
michael@0:                     pbi->mb_row_di[i].mbd.dst = pc->yv12_fb[pc->new_fb_idx];
michael@0:                     vp8_build_block_doffsets(&pbi->mb_row_di[i].mbd);
michael@0:                 }
michael@0: #endif
michael@0:                 vp8_build_block_doffsets(&pbi->mb);
michael@0: 
michael@0:                 /* allocate memory for last frame MODE_INFO array */
michael@0: #if CONFIG_ERROR_CONCEALMENT
michael@0: 
michael@0:                 if (pbi->ec_enabled)
michael@0:                 {
michael@0:                     /* old prev_mip was released by vp8_de_alloc_frame_buffers()
michael@0:                      * called in vp8_alloc_frame_buffers() */
michael@0:                     pc->prev_mip = vpx_calloc(
michael@0:                                        (pc->mb_cols + 1) * (pc->mb_rows + 1),
michael@0:                                        sizeof(MODE_INFO));
michael@0: 
michael@0:                     if (!pc->prev_mip)
michael@0:                     {
michael@0:                         vp8_de_alloc_frame_buffers(pc);
michael@0:                         vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR,
michael@0:                                            "Failed to allocate"
michael@0:                                            "last frame MODE_INFO array");
michael@0:                     }
michael@0: 
michael@0:                     pc->prev_mi = pc->prev_mip + pc->mode_info_stride + 1;
michael@0: 
michael@0:                     if (vp8_alloc_overlap_lists(pbi))
michael@0:                         vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR,
michael@0:                                            "Failed to allocate overlap lists "
michael@0:                                            "for error concealment");
michael@0:                 }
michael@0: 
michael@0: #endif
michael@0: 
michael@0: #if CONFIG_MULTITHREAD
michael@0:                 if (pbi->b_multithreaded_rd)
michael@0:                     vp8mt_alloc_temp_buffers(pbi, pc->Width, prev_mb_rows);
michael@0: #else
michael@0:                 (void)prev_mb_rows;
michael@0: #endif
michael@0:             }
michael@0: 
michael@0:             pbi->common.error.setjmp = 0;
michael@0: 
michael@0:             /* required to get past the first get_free_fb() call */
michael@0:             pbi->common.fb_idx_ref_cnt[0] = 0;
michael@0:         }
michael@0: 
michael@0:         /* update the pbi fragment data */
michael@0:         pbi->fragments = ctx->fragments;
michael@0: 
michael@0:         ctx->user_priv = user_priv;
michael@0:         if (vp8dx_receive_compressed_data(pbi, data_sz, data, deadline))
michael@0:         {
michael@0:             res = update_error_state(ctx, &pbi->common.error);
michael@0:         }
michael@0: 
michael@0:         /* get ready for the next series of fragments */
michael@0:         ctx->fragments.count = 0;
michael@0:     }
michael@0: 
michael@0:     return res;
michael@0: }
michael@0: 
michael@0: static vpx_image_t *vp8_get_frame(vpx_codec_alg_priv_t  *ctx,
michael@0:                                   vpx_codec_iter_t      *iter)
michael@0: {
michael@0:     vpx_image_t *img = NULL;
michael@0: 
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) && ctx->yv12_frame_buffers.pbi[0])
michael@0:     {
michael@0:         YV12_BUFFER_CONFIG sd;
michael@0:         int64_t time_stamp = 0, time_end_stamp = 0;
michael@0:         vp8_ppflags_t flags = {0};
michael@0: 
michael@0:         if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)
michael@0:         {
michael@0:             flags.post_proc_flag= ctx->postproc_cfg.post_proc_flag
michael@0: #if CONFIG_POSTPROC_VISUALIZER
michael@0: 
michael@0:                                 | ((ctx->dbg_color_ref_frame_flag != 0) ? VP8D_DEBUG_CLR_FRM_REF_BLKS : 0)
michael@0:                                 | ((ctx->dbg_color_mb_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0)
michael@0:                                 | ((ctx->dbg_color_b_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0)
michael@0:                                 | ((ctx->dbg_display_mv_flag != 0) ? VP8D_DEBUG_DRAW_MV : 0)
michael@0: #endif
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 (0 == vp8dx_get_raw_frame(ctx->yv12_frame_buffers.pbi[0], &sd,
michael@0:                                      &time_stamp, &time_end_stamp, &flags))
michael@0:         {
michael@0:             yuvconfig2image(&ctx->img, &sd, ctx->user_priv);
michael@0: 
michael@0:             img = &ctx->img;
michael@0:             *iter = img;
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     return img;
michael@0: }
michael@0: 
michael@0: 
michael@0: static
michael@0: vpx_codec_err_t vp8_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: {
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:     {
michael@0:         if (!seg_iter)
michael@0:             seg_iter = vp8_mem_req_segs;
michael@0:         else if (seg_iter->id != VP8_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 != VP8_SEG_MAX)
michael@0:         {
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:         }
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 vp8_xma_set_mmap(vpx_codec_ctx_t         *ctx,
michael@0:                                         const vpx_codec_mmap_t  *mmap)
michael@0: {
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:     {
michael@0:         if (mmap->id == VP8_SEG_ALG_PRIV)
michael@0:         {
michael@0:             if (!ctx->priv)
michael@0:             {
michael@0:                 vp8_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:     {
michael@0:         for (i = 0; i < NELEMENTS(ctx->priv->alg_priv->mmaps); i++)
michael@0:         {
michael@0:             if (ctx->priv->alg_priv->mmaps[i].id == mmap->id)
michael@0:                 if (!ctx->priv->alg_priv->mmaps[i].base)
michael@0:                 {
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:     {
michael@0:         vp8_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 image2yuvconfig(const vpx_image_t   *img,
michael@0:                                        YV12_BUFFER_CONFIG  *yv12)
michael@0: {
michael@0:     vpx_codec_err_t        res = VPX_CODEC_OK;
michael@0:     yv12->y_buffer = img->planes[VPX_PLANE_Y];
michael@0:     yv12->u_buffer = img->planes[VPX_PLANE_U];
michael@0:     yv12->v_buffer = img->planes[VPX_PLANE_V];
michael@0: 
michael@0:     yv12->y_crop_width  = img->d_w;
michael@0:     yv12->y_crop_height = img->d_h;
michael@0:     yv12->y_width  = img->d_w;
michael@0:     yv12->y_height = img->d_h;
michael@0:     yv12->uv_width = yv12->y_width / 2;
michael@0:     yv12->uv_height = yv12->y_height / 2;
michael@0: 
michael@0:     yv12->y_stride = img->stride[VPX_PLANE_Y];
michael@0:     yv12->uv_stride = img->stride[VPX_PLANE_U];
michael@0: 
michael@0:     yv12->border  = (img->stride[VPX_PLANE_Y] - img->d_w) / 2;
michael@0:     return res;
michael@0: }
michael@0: 
michael@0: 
michael@0: static vpx_codec_err_t vp8_set_reference(vpx_codec_alg_priv_t *ctx,
michael@0:         int ctr_id,
michael@0:         va_list args)
michael@0: {
michael@0: 
michael@0:     vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
michael@0: 
michael@0:     if (data && !ctx->yv12_frame_buffers.use_frame_threads)
michael@0:     {
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 vp8dx_set_reference(ctx->yv12_frame_buffers.pbi[0],
michael@0:                                    frame->frame_type, &sd);
michael@0:     }
michael@0:     else
michael@0:         return VPX_CODEC_INVALID_PARAM;
michael@0: 
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t vp8_get_reference(vpx_codec_alg_priv_t *ctx,
michael@0:         int ctr_id,
michael@0:         va_list args)
michael@0: {
michael@0: 
michael@0:     vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
michael@0: 
michael@0:     if (data && !ctx->yv12_frame_buffers.use_frame_threads)
michael@0:     {
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 vp8dx_get_reference(ctx->yv12_frame_buffers.pbi[0],
michael@0:                                    frame->frame_type, &sd);
michael@0:     }
michael@0:     else
michael@0:         return VPX_CODEC_INVALID_PARAM;
michael@0: 
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t vp8_set_postproc(vpx_codec_alg_priv_t *ctx,
michael@0:                                         int ctr_id,
michael@0:                                         va_list args)
michael@0: {
michael@0: #if CONFIG_POSTPROC
michael@0:     vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
michael@0: 
michael@0:     if (data)
michael@0:     {
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:     }
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 vp8_set_dbg_options(vpx_codec_alg_priv_t *ctx,
michael@0:                                         int ctrl_id,
michael@0:                                         va_list args)
michael@0: {
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:     {
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 vp8_get_last_ref_updates(vpx_codec_alg_priv_t *ctx,
michael@0:                                                 int ctrl_id,
michael@0:                                                 va_list args)
michael@0: {
michael@0:     int *update_info = va_arg(args, int *);
michael@0: 
michael@0:     if (update_info && !ctx->yv12_frame_buffers.use_frame_threads)
michael@0:     {
michael@0:         VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0];
michael@0: 
michael@0:         *update_info = pbi->common.refresh_alt_ref_frame * (int) VP8_ALTR_FRAME
michael@0:             + pbi->common.refresh_golden_frame * (int) VP8_GOLD_FRAME
michael@0:             + pbi->common.refresh_last_frame * (int) VP8_LAST_FRAME;
michael@0: 
michael@0:         return VPX_CODEC_OK;
michael@0:     }
michael@0:     else
michael@0:         return VPX_CODEC_INVALID_PARAM;
michael@0: }
michael@0: 
michael@0: extern int vp8dx_references_buffer( VP8_COMMON *oci, int ref_frame );
michael@0: static vpx_codec_err_t vp8_get_last_ref_frame(vpx_codec_alg_priv_t *ctx,
michael@0:                                               int ctrl_id,
michael@0:                                               va_list args)
michael@0: {
michael@0:     int *ref_info = va_arg(args, int *);
michael@0: 
michael@0:     if (ref_info && !ctx->yv12_frame_buffers.use_frame_threads)
michael@0:     {
michael@0:         VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0];
michael@0:         VP8_COMMON *oci = &pbi->common;
michael@0:         *ref_info =
michael@0:             (vp8dx_references_buffer( oci, ALTREF_FRAME )?VP8_ALTR_FRAME:0) |
michael@0:             (vp8dx_references_buffer( oci, GOLDEN_FRAME )?VP8_GOLD_FRAME:0) |
michael@0:             (vp8dx_references_buffer( oci, LAST_FRAME )?VP8_LAST_FRAME:0);
michael@0: 
michael@0:         return VPX_CODEC_OK;
michael@0:     }
michael@0:     else
michael@0:         return VPX_CODEC_INVALID_PARAM;
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t vp8_get_frame_corrupted(vpx_codec_alg_priv_t *ctx,
michael@0:                                                int ctrl_id,
michael@0:                                                va_list args)
michael@0: {
michael@0: 
michael@0:     int *corrupted = va_arg(args, int *);
michael@0:     VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0];
michael@0: 
michael@0:     if (corrupted && pbi)
michael@0:     {
michael@0:         *corrupted = pbi->common.frame_to_show->corrupted;
michael@0: 
michael@0:         return VPX_CODEC_OK;
michael@0:     }
michael@0:     else
michael@0:         return VPX_CODEC_INVALID_PARAM;
michael@0: 
michael@0: }
michael@0: 
michael@0: static vpx_codec_err_t vp8_set_decryptor(vpx_codec_alg_priv_t *ctx,
michael@0:                                          int ctrl_id,
michael@0:                                          va_list args)
michael@0: {
michael@0:     vp8_decrypt_init *init = va_arg(args, vp8_decrypt_init *);
michael@0: 
michael@0:     if (init)
michael@0:     {
michael@0:         ctx->decrypt_cb = init->decrypt_cb;
michael@0:         ctx->decrypt_state = init->decrypt_state;
michael@0:     }
michael@0:     else
michael@0:     {
michael@0:         ctx->decrypt_cb = NULL;
michael@0:         ctx->decrypt_state = NULL;
michael@0:     }
michael@0:     return VPX_CODEC_OK;
michael@0: }
michael@0: 
michael@0: vpx_codec_ctrl_fn_map_t vp8_ctf_maps[] =
michael@0: {
michael@0:     {VP8_SET_REFERENCE,             vp8_set_reference},
michael@0:     {VP8_COPY_REFERENCE,            vp8_get_reference},
michael@0:     {VP8_SET_POSTPROC,              vp8_set_postproc},
michael@0:     {VP8_SET_DBG_COLOR_REF_FRAME,   vp8_set_dbg_options},
michael@0:     {VP8_SET_DBG_COLOR_MB_MODES,    vp8_set_dbg_options},
michael@0:     {VP8_SET_DBG_COLOR_B_MODES,     vp8_set_dbg_options},
michael@0:     {VP8_SET_DBG_DISPLAY_MV,        vp8_set_dbg_options},
michael@0:     {VP8D_GET_LAST_REF_UPDATES,     vp8_get_last_ref_updates},
michael@0:     {VP8D_GET_FRAME_CORRUPTED,      vp8_get_frame_corrupted},
michael@0:     {VP8D_GET_LAST_REF_USED,        vp8_get_last_ref_frame},
michael@0:     {VP8D_SET_DECRYPTOR,            vp8_set_decryptor},
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_vp8_dx) =
michael@0: {
michael@0:     "WebM Project VP8 Decoder" VERSION_STRING,
michael@0:     VPX_CODEC_INTERNAL_ABI_VERSION,
michael@0:     VPX_CODEC_CAP_DECODER | VP8_CAP_POSTPROC | VP8_CAP_ERROR_CONCEALMENT |
michael@0:     VPX_CODEC_CAP_INPUT_FRAGMENTS,
michael@0:     /* vpx_codec_caps_t          caps; */
michael@0:     vp8_init,         /* vpx_codec_init_fn_t       init; */
michael@0:     vp8_destroy,      /* vpx_codec_destroy_fn_t    destroy; */
michael@0:     vp8_ctf_maps,     /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
michael@0:     vp8_xma_get_mmap, /* vpx_codec_get_mmap_fn_t   get_mmap; */
michael@0:     vp8_xma_set_mmap, /* vpx_codec_set_mmap_fn_t   set_mmap; */
michael@0:     {
michael@0:         vp8_peek_si,      /* vpx_codec_peek_si_fn_t    peek_si; */
michael@0:         vp8_get_si,       /* vpx_codec_get_si_fn_t     get_si; */
michael@0:         vp8_decode,       /* vpx_codec_decode_fn_t     decode; */
michael@0:         vp8_get_frame,    /* vpx_codec_frame_get_fn_t  frame_get; */
michael@0:     },
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: };