diff options
Diffstat (limited to 'vp8/vp8_dx_iface.c')
| -rw-r--r-- | vp8/vp8_dx_iface.c | 698 |
1 files changed, 698 insertions, 0 deletions
diff --git a/vp8/vp8_dx_iface.c b/vp8/vp8_dx_iface.c new file mode 100644 index 000000000..3e6cdf4e5 --- /dev/null +++ b/vp8/vp8_dx_iface.c @@ -0,0 +1,698 @@ +/* + * Copyright (c) 2010 The VP8 project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license and patent + * grant that can be found in the LICENSE file in the root of the source + * tree. All contributing project authors may be found in the AUTHORS + * file in the root of the source tree. + */ + + +#include <stdlib.h> +#include <string.h> +#include "vpx_codec/vpx_decoder.h" +#include "vp8dx.h" +#include "vpx_codec/internal/vpx_codec_internal.h" +#include "vpx_version.h" +#include "onyxd.h" +#include "onyxd_int.h" + +#define VP8_CAP_POSTPROC (CONFIG_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0) + +#if CONFIG_BIG_ENDIAN +# define swap4(d)\ + ((d&0x000000ff)<<24) | \ + ((d&0x0000ff00)<<8) | \ + ((d&0x00ff0000)>>8) | \ + ((d&0xff000000)>>24) +# define swap2(d)\ + ((d&0x000000ff)<<8) | \ + ((d&0x0000ff00)>>8) +#else +# define swap4(d) d +# define swap2(d) d +#endif +typedef vpx_codec_stream_info_t vp8_stream_info_t; + +/* Structures for handling memory allocations */ +typedef enum +{ + VP8_SEG_ALG_PRIV = 256, + VP8_SEG_MAX +} mem_seg_id_t; +#define NELEMENTS(x) (sizeof(x)/sizeof(x[0])) + +static unsigned long vp8_priv_sz(const vpx_codec_dec_cfg_t *si, vpx_codec_flags_t); + +typedef struct +{ + unsigned int id; + unsigned long sz; + unsigned int align; + unsigned int flags; + unsigned long(*calc_sz)(const vpx_codec_dec_cfg_t *, vpx_codec_flags_t); +} mem_req_t; + +static const mem_req_t vp8_mem_req_segs[] = +{ + {VP8_SEG_ALG_PRIV, 0, 8, VPX_CODEC_MEM_ZERO, vp8_priv_sz}, + {VP8_SEG_MAX, 0, 0, 0, NULL} +}; + +struct vpx_codec_alg_priv +{ + vpx_codec_priv_t base; + vpx_codec_mmap_t mmaps[NELEMENTS(vp8_mem_req_segs)-1]; + vpx_codec_dec_cfg_t cfg; + vp8_stream_info_t si; + int defer_alloc; + int decoder_init; + VP8D_PTR pbi; + int postproc_cfg_set; + vp8_postproc_cfg_t postproc_cfg; + vpx_image_t img; + int img_setup; + int img_avail; +}; + +static unsigned long vp8_priv_sz(const vpx_codec_dec_cfg_t *si, vpx_codec_flags_t flags) +{ + /* Although this declaration is constant, we can't use it in the requested + * segments list because we want to define the requested segments list + * before defining the private type (so that the number of memory maps is + * known) + */ + (void)si; + return sizeof(vpx_codec_alg_priv_t); +} + + +static void vp8_mmap_dtor(vpx_codec_mmap_t *mmap) +{ + free(mmap->priv); +} + +static vpx_codec_err_t vp8_mmap_alloc(vpx_codec_mmap_t *mmap) +{ + vpx_codec_err_t res; + unsigned int align; + + align = mmap->align ? mmap->align - 1 : 0; + + if (mmap->flags & VPX_CODEC_MEM_ZERO) + mmap->priv = calloc(1, mmap->sz + align); + else + mmap->priv = malloc(mmap->sz + align); + + res = (mmap->priv) ? VPX_CODEC_OK : VPX_CODEC_MEM_ERROR; + mmap->base = (void *)((((uintptr_t)mmap->priv) + align) & ~(uintptr_t)align); + mmap->dtor = vp8_mmap_dtor; + return res; +} + +static vpx_codec_err_t vp8_validate_mmaps(const vp8_stream_info_t *si, + const vpx_codec_mmap_t *mmaps, + vpx_codec_flags_t init_flags) +{ + int i; + vpx_codec_err_t res = VPX_CODEC_OK; + + for (i = 0; i < NELEMENTS(vp8_mem_req_segs) - 1; i++) + { + /* Ensure the segment has been allocated */ + if (!mmaps[i].base) + { + res = VPX_CODEC_MEM_ERROR; + break; + } + + /* Verify variable size segment is big enough for the current si. */ + if (vp8_mem_req_segs[i].calc_sz) + { + vpx_codec_dec_cfg_t cfg; + + cfg.w = si->w; + cfg.h = si->h; + + if (mmaps[i].sz < vp8_mem_req_segs[i].calc_sz(&cfg, init_flags)) + { + res = VPX_CODEC_MEM_ERROR; + break; + } + } + } + + return res; +} + +static void vp8_init_ctx(vpx_codec_ctx_t *ctx, const vpx_codec_mmap_t *mmap) +{ + int i; + + ctx->priv = mmap->base; + ctx->priv->sz = sizeof(*ctx->priv); + ctx->priv->iface = ctx->iface; + ctx->priv->alg_priv = mmap->base; + + for (i = 0; i < NELEMENTS(ctx->priv->alg_priv->mmaps); i++) + ctx->priv->alg_priv->mmaps[i].id = vp8_mem_req_segs[i].id; + + ctx->priv->alg_priv->mmaps[0] = *mmap; + ctx->priv->alg_priv->si.sz = sizeof(ctx->priv->alg_priv->si); + ctx->priv->init_flags = ctx->init_flags; + + if (ctx->config.dec) + { + /* Update the reference to the config structure to an internal copy. */ + ctx->priv->alg_priv->cfg = *ctx->config.dec; + ctx->config.dec = &ctx->priv->alg_priv->cfg; + } +} + +static void *mmap_lkup(vpx_codec_alg_priv_t *ctx, int id) +{ + int i; + + for (i = 0; i < NELEMENTS(vp8_mem_req_segs); i++) + if (ctx->mmaps[i].id == id) + return ctx->mmaps[i].base; + + return NULL; +} +static void vp8_finalize_mmaps(vpx_codec_alg_priv_t *ctx) +{ + /* + ctx->pbi = mmap_lkup(ctx, VP6_SEG_PB_INSTANCE); + ctx->pbi->mbi.block_dx_info[0].idct_output_ptr = mmap_lkup(ctx, VP6_SEG_IDCT_BUFFER); + ctx->pbi->loop_filtered_block = mmap_lkup(ctx, VP6_SEG_LF_BLOCK); + ctx->pbi->huff = mmap_lkup(ctx, VP6_SEG_HUFF); + ctx->pbi->mbi.coeffs_base_ptr = mmap_lkup(ctx, VP6_SEG_COEFFS); + ctx->pbi->fc.above_y = mmap_lkup(ctx, VP6_SEG_ABOVEY); + ctx->pbi->fc.above_u = mmap_lkup(ctx, VP6_SEG_ABOVEU); + ctx->pbi->fc.above_v = mmap_lkup(ctx, VP6_SEG_ABOVEV); + ctx->pbi->prediction_mode = mmap_lkup(ctx, VP6_SEG_PRED_MODES); + ctx->pbi->mbmotion_vector = mmap_lkup(ctx, VP6_SEG_MV_FIELD); + ctx->pbi->fb_storage_ptr[0] = mmap_lkup(ctx, VP6_SEG_IMG0_STRG); + ctx->pbi->fb_storage_ptr[1] = mmap_lkup(ctx, VP6_SEG_IMG1_STRG); + ctx->pbi->fb_storage_ptr[2] = mmap_lkup(ctx, VP6_SEG_IMG2_STRG); + #if CONFIG_NEW_TOKENS + ctx->pbi->token_graph = mmap_lkup(ctx, VP6_SEG_TOKEN_GRAPH); + #endif + #if CONFIG_POSTPROC + ctx->pbi->postproc.deblock.fragment_variances = mmap_lkup(ctx, VP6_SEG_DEBLOCKER); + ctx->pbi->fb_storage_ptr[3] = mmap_lkup(ctx, VP6_SEG_PP_IMG_STRG); + #endif + */ +} + +static vpx_codec_err_t vp8_init(vpx_codec_ctx_t *ctx) +{ + vpx_codec_err_t res = VPX_CODEC_OK; + + /* This function only allocates space for the vpx_codec_alg_priv_t + * structure. More memory may be required at the time the stream + * information becomes known. + */ + if (!ctx->priv) + { + vpx_codec_mmap_t mmap; + + mmap.id = vp8_mem_req_segs[0].id; + mmap.sz = sizeof(vpx_codec_alg_priv_t); + mmap.align = vp8_mem_req_segs[0].align; + mmap.flags = vp8_mem_req_segs[0].flags; + + res = vp8_mmap_alloc(&mmap); + + if (!res) + vp8_init_ctx(ctx, &mmap); + + ctx->priv->alg_priv->defer_alloc = 1; + /*post processing level initialized to do nothing */ + + } + + return res; +} + +static vpx_codec_err_t vp8_destroy(vpx_codec_alg_priv_t *ctx) +{ + int i; + + vp8dx_remove_decompressor(ctx->pbi); + + for (i = NELEMENTS(ctx->mmaps) - 1; i >= 0; i--) + { + if (ctx->mmaps[i].dtor) + ctx->mmaps[i].dtor(&ctx->mmaps[i]); + } + + return VPX_CODEC_OK; +} + +static vpx_codec_err_t vp8_peek_si(const uint8_t *data, + unsigned int data_sz, + vpx_codec_stream_info_t *si) +{ + + vpx_codec_err_t res = VPX_CODEC_OK; + { + /*Parse from VP8 compressed data, the implies knowledge of the + *VP8 bitsteam. + * First 3 byte header including version, frame type and an offset + * Next 3 bytes are image sizewith 12 bit each for width and height + */ + + si->is_kf = 0; + + if (data_sz >= 10 && !(data[0] & 0x01)) /* I-Frame */ + { + const uint8_t *c = data + 3; + si->is_kf = 1; + + // vet via sync code + if (c[0] != 0x9d || c[1] != 0x01 || c[2] != 0x2a) + res = VPX_CODEC_UNSUP_BITSTREAM; + + si->w = swap2(*(const unsigned short *)(c + 3)) & 0x3fff; + si->h = swap2(*(const unsigned short *)(c + 5)) & 0x3fff; + + //printf("w=%d, h=%d\n", si->w, si->h); + if (!(si->h | si->w)) + res = VPX_CODEC_UNSUP_BITSTREAM; + } + else + res = VPX_CODEC_UNSUP_BITSTREAM; + } + + return res; + +} + +static vpx_codec_err_t vp8_get_si(vpx_codec_alg_priv_t *ctx, + vpx_codec_stream_info_t *si) +{ + + unsigned int sz; + + if (si->sz >= sizeof(vp8_stream_info_t)) + sz = sizeof(vp8_stream_info_t); + else + sz = sizeof(vpx_codec_stream_info_t); + + memcpy(si, &ctx->si, sz); + si->sz = sz; + + return VPX_CODEC_OK; +} + + +static vpx_codec_err_t +update_error_state(vpx_codec_alg_priv_t *ctx, + const struct vpx_internal_error_info *error) +{ + vpx_codec_err_t res; + + if ((res = error->error_code)) + ctx->base.err_detail = error->has_detail + ? error->detail + : NULL; + + return res; +} + + +static vpx_codec_err_t vp8_decode(vpx_codec_alg_priv_t *ctx, + const uint8_t *data, + unsigned int data_sz, + void *user_priv, + long deadline) +{ + vpx_codec_err_t res = VPX_CODEC_OK; + + ctx->img_avail = 0; + + /* Determine the stream parameters */ + if (!ctx->si.h) + res = ctx->base.iface->dec.peek_si(data, data_sz, &ctx->si); + + + /* Perform deferred allocations, if required */ + if (!res && ctx->defer_alloc) + { + int i; + + for (i = 1; !res && i < NELEMENTS(ctx->mmaps); i++) + { + vpx_codec_dec_cfg_t cfg; + + cfg.w = ctx->si.w; + cfg.h = ctx->si.h; + ctx->mmaps[i].id = vp8_mem_req_segs[i].id; + ctx->mmaps[i].sz = vp8_mem_req_segs[i].sz; + ctx->mmaps[i].align = vp8_mem_req_segs[i].align; + ctx->mmaps[i].flags = vp8_mem_req_segs[i].flags; + + if (!ctx->mmaps[i].sz) + ctx->mmaps[i].sz = vp8_mem_req_segs[i].calc_sz(&cfg, + ctx->base.init_flags); + + res = vp8_mmap_alloc(&ctx->mmaps[i]); + } + + if (!res) + vp8_finalize_mmaps(ctx); + + ctx->defer_alloc = 0; + } + + /* Initialize the decoder instance on the first frame*/ + if (!res && !ctx->decoder_init) + { + res = vp8_validate_mmaps(&ctx->si, ctx->mmaps, ctx->base.init_flags); + + if (!res) + { + VP8D_CONFIG oxcf; + VP8D_PTR optr; + + vp8dx_initialize(); + + oxcf.Width = ctx->si.w; + oxcf.Height = ctx->si.h; + oxcf.Version = 9; + oxcf.postprocess = 0; + oxcf.max_threads = ctx->cfg.threads; + + optr = vp8dx_create_decompressor(&oxcf); + + /* If postprocessing was enabled by the application and a + * configuration has not been provided, default it. + */ + if (!ctx->postproc_cfg_set + && (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)) + { + ctx->postproc_cfg.post_proc_flag = + VP8_DEBLOCK | VP8_DEMACROBLOCK; + ctx->postproc_cfg.deblocking_level = 4; + ctx->postproc_cfg.noise_level = 0; + } + + if (!optr) + res = VPX_CODEC_ERROR; + else + ctx->pbi = optr; + } + + ctx->decoder_init = 1; + } + + if (!res && ctx->pbi) + { + YV12_BUFFER_CONFIG sd; + INT64 time_stamp = 0, time_end_stamp = 0; + int ppflag = 0; + int ppdeblocking = 0; + int ppnoise = 0; + + if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC) + { + ppflag = ctx->postproc_cfg.post_proc_flag; + ppdeblocking = ctx->postproc_cfg.deblocking_level; + ppnoise = ctx->postproc_cfg.noise_level; + } + + if (vp8dx_receive_compressed_data(ctx->pbi, data_sz, data, deadline)) + { + VP8D_COMP *pbi = (VP8D_COMP *)ctx->pbi; + res = update_error_state(ctx, &pbi->common.error); + } + + if (!res && 0 == vp8dx_get_raw_frame(ctx->pbi, &sd, &time_stamp, &time_end_stamp, ppdeblocking, ppnoise, ppflag)) + { + /* Align width/height */ + unsigned int a_w = (sd.y_width + 15) & ~15; + unsigned int a_h = (sd.y_height + 15) & ~15; + + vpx_img_wrap(&ctx->img, IMG_FMT_I420, + a_w + 2 * VP8BORDERINPIXELS, + a_h + 2 * VP8BORDERINPIXELS, + 1, + sd.buffer_alloc); + vpx_img_set_rect(&ctx->img, + VP8BORDERINPIXELS, VP8BORDERINPIXELS, + sd.y_width, sd.y_height); + ctx->img_avail = 1; + + } + } + + return res; +} + +static vpx_image_t *vp8_get_frame(vpx_codec_alg_priv_t *ctx, + vpx_codec_iter_t *iter) +{ + vpx_image_t *img = NULL; + + if (ctx->img_avail) + { + /* iter acts as a flip flop, so an image is only returned on the first + * call to get_frame. + */ + if (!(*iter)) + { + img = &ctx->img; + *iter = img; + } + } + + return img; +} + + +static +vpx_codec_err_t vp8_xma_get_mmap(const vpx_codec_ctx_t *ctx, + vpx_codec_mmap_t *mmap, + vpx_codec_iter_t *iter) +{ + vpx_codec_err_t res; + const mem_req_t *seg_iter = *iter; + + /* Get address of next segment request */ + do + { + if (!seg_iter) + seg_iter = vp8_mem_req_segs; + else if (seg_iter->id != VP8_SEG_MAX) + seg_iter++; + + *iter = (vpx_codec_iter_t)seg_iter; + + if (seg_iter->id != VP8_SEG_MAX) + { + mmap->id = seg_iter->id; + mmap->sz = seg_iter->sz; + mmap->align = seg_iter->align; + mmap->flags = seg_iter->flags; + + if (!seg_iter->sz) + mmap->sz = seg_iter->calc_sz(ctx->config.dec, ctx->init_flags); + + res = VPX_CODEC_OK; + } + else + res = VPX_CODEC_LIST_END; + } + while (!mmap->sz && res != VPX_CODEC_LIST_END); + + return res; +} + +static vpx_codec_err_t vp8_xma_set_mmap(vpx_codec_ctx_t *ctx, + const vpx_codec_mmap_t *mmap) +{ + vpx_codec_err_t res = VPX_CODEC_MEM_ERROR; + int i, done; + + if (!ctx->priv) + { + if (mmap->id == VP8_SEG_ALG_PRIV) + { + if (!ctx->priv) + { + vp8_init_ctx(ctx, mmap); + res = VPX_CODEC_OK; + } + } + } + + done = 1; + + if (ctx->priv->alg_priv) + { + for (i = 0; i < NELEMENTS(vp8_mem_req_segs); i++) + { + if (ctx->priv->alg_priv->mmaps[i].id == mmap->id) + if (!ctx->priv->alg_priv->mmaps[i].base) + { + ctx->priv->alg_priv->mmaps[i] = *mmap; + res = VPX_CODEC_OK; + } + + done &= (ctx->priv->alg_priv->mmaps[i].base != NULL); + } + } + + if (done && !res) + { + vp8_finalize_mmaps(ctx->priv->alg_priv); + res = ctx->iface->init(ctx); + } + + return res; +} + +static vpx_codec_err_t image2yuvconfig(const vpx_image_t *img, + YV12_BUFFER_CONFIG *yv12) +{ + vpx_codec_err_t res = VPX_CODEC_OK; + yv12->y_buffer = img->planes[PLANE_Y]; + yv12->u_buffer = img->planes[PLANE_U]; + yv12->v_buffer = img->planes[PLANE_V]; + + yv12->y_width = img->d_w; + yv12->y_height = img->d_h; + yv12->uv_width = yv12->y_width / 2; + yv12->uv_height = yv12->y_height / 2; + + yv12->y_stride = img->stride[PLANE_Y]; + yv12->uv_stride = img->stride[PLANE_U]; + + yv12->border = (img->stride[PLANE_Y] - img->d_w) / 2; + yv12->clrtype = (img->fmt == IMG_FMT_VPXI420 || img->fmt == IMG_FMT_VPXYV12); + + return res; +} + + +static vpx_codec_err_t vp8_set_reference(vpx_codec_alg_priv_t *ctx, + int ctr_id, + va_list args) +{ + + vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *); + + if (data) + { + vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data; + YV12_BUFFER_CONFIG sd; + + image2yuvconfig(&frame->img, &sd); + + vp8dx_set_reference(ctx->pbi, frame->frame_type, &sd); + return VPX_CODEC_OK; + } + else + return VPX_CODEC_INVALID_PARAM; + +} + +static vpx_codec_err_t vp8_get_reference(vpx_codec_alg_priv_t *ctx, + int ctr_id, + va_list args) +{ + + vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *); + + if (data) + { + vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data; + YV12_BUFFER_CONFIG sd; + + image2yuvconfig(&frame->img, &sd); + + vp8dx_get_reference(ctx->pbi, frame->frame_type, &sd); + return VPX_CODEC_OK; + } + else + return VPX_CODEC_INVALID_PARAM; + +} + +static vpx_codec_err_t vp8_set_postproc(vpx_codec_alg_priv_t *ctx, + int ctr_id, + va_list args) +{ + vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *); +#if CONFIG_POSTPROC + + if (data) + { + ctx->postproc_cfg_set = 1; + ctx->postproc_cfg = *((vp8_postproc_cfg_t *)data); + return VPX_CODEC_OK; + } + else + return VPX_CODEC_INVALID_PARAM; + +#else + return VPX_CODEC_INCAPABLE; +#endif +} + + +vpx_codec_ctrl_fn_map_t vp8_ctf_maps[] = +{ + {VP8_SET_REFERENCE, vp8_set_reference}, + {VP8_COPY_REFERENCE, vp8_get_reference}, + {VP8_SET_POSTPROC, vp8_set_postproc}, + { -1, NULL}, +}; + + +#ifndef VERSION_STRING +#define VERSION_STRING +#endif +vpx_codec_iface_t vpx_codec_vp8_dx_algo = +{ + "vpx Technologies VP8 Decoder" VERSION_STRING, + VPX_CODEC_INTERNAL_ABI_VERSION, + VPX_CODEC_CAP_DECODER | VP8_CAP_POSTPROC, + /* vpx_codec_caps_t caps; */ + vp8_init, /* vpx_codec_init_fn_t init; */ + vp8_destroy, /* vpx_codec_destroy_fn_t destroy; */ + vp8_ctf_maps, /* vpx_codec_ctrl_fn_map_t *ctrl_maps; */ + vp8_xma_get_mmap, /* vpx_codec_get_mmap_fn_t get_mmap; */ + vp8_xma_set_mmap, /* vpx_codec_set_mmap_fn_t set_mmap; */ + { + vp8_peek_si, /* vpx_codec_peek_si_fn_t peek_si; */ + vp8_get_si, /* vpx_codec_get_si_fn_t get_si; */ + vp8_decode, /* vpx_codec_decode_fn_t decode; */ + vp8_get_frame, /* vpx_codec_frame_get_fn_t frame_get; */ + }, + {NOT_IMPLEMENTED} /* encoder functions */ +}; + +/* + * BEGIN BACKWARDS COMPATIBILITY SHIM. + */ +vpx_codec_iface_t vpx_codec_vp8_algo = +{ + "vpx Technologies VP8 Decoder (Deprecated API)" VERSION_STRING, + VPX_CODEC_INTERNAL_ABI_VERSION, + VPX_CODEC_CAP_DECODER | VP8_CAP_POSTPROC, + /* vpx_codec_caps_t caps; */ + vp8_init, /* vpx_codec_init_fn_t init; */ + vp8_destroy, /* vpx_codec_destroy_fn_t destroy; */ + vp8_ctf_maps, /* vpx_codec_ctrl_fn_map_t *ctrl_maps; */ + vp8_xma_get_mmap, /* vpx_codec_get_mmap_fn_t get_mmap; */ + vp8_xma_set_mmap, /* vpx_codec_set_mmap_fn_t set_mmap; */ + { + vp8_peek_si, /* vpx_codec_peek_si_fn_t peek_si; */ + vp8_get_si, /* vpx_codec_get_si_fn_t get_si; */ + vp8_decode, /* vpx_codec_decode_fn_t decode; */ + vp8_get_frame, /* vpx_codec_frame_get_fn_t frame_get; */ + }, + {NOT_IMPLEMENTED} /* encoder functions */ +}; 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