| /* |
| * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include <assert.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include "./vp8_rtcd.h" |
| #include "./vpx_dsp_rtcd.h" |
| #include "./vpx_scale_rtcd.h" |
| #include "vpx/vpx_decoder.h" |
| #include "vpx/vp8dx.h" |
| #include "vpx/internal/vpx_codec_internal.h" |
| #include "vpx_version.h" |
| #include "common/alloccommon.h" |
| #include "common/common.h" |
| #include "common/onyxd.h" |
| #include "decoder/onyxd_int.h" |
| #include "vpx_dsp/vpx_dsp_common.h" |
| #include "vpx_mem/vpx_mem.h" |
| #include "vpx_ports/system_state.h" |
| #if CONFIG_ERROR_CONCEALMENT |
| #include "decoder/error_concealment.h" |
| #endif |
| #include "decoder/decoderthreading.h" |
| |
| #define VP8_CAP_POSTPROC (CONFIG_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0) |
| #define VP8_CAP_ERROR_CONCEALMENT \ |
| (CONFIG_ERROR_CONCEALMENT ? VPX_CODEC_CAP_ERROR_CONCEALMENT : 0) |
| |
| 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) ((int)(sizeof(x) / sizeof(x[0]))) |
| |
| struct vpx_codec_alg_priv { |
| vpx_codec_priv_t base; |
| vpx_codec_dec_cfg_t cfg; |
| vp8_stream_info_t si; |
| int decoder_init; |
| int postproc_cfg_set; |
| vp8_postproc_cfg_t postproc_cfg; |
| vpx_decrypt_cb decrypt_cb; |
| void *decrypt_state; |
| vpx_image_t img; |
| int img_setup; |
| struct frame_buffers yv12_frame_buffers; |
| void *user_priv; |
| FRAGMENT_DATA fragments; |
| }; |
| |
| static int vp8_init_ctx(vpx_codec_ctx_t *ctx) { |
| vpx_codec_alg_priv_t *priv = |
| (vpx_codec_alg_priv_t *)vpx_calloc(1, sizeof(*priv)); |
| if (!priv) return 1; |
| |
| ctx->priv = (vpx_codec_priv_t *)priv; |
| ctx->priv->init_flags = ctx->init_flags; |
| |
| priv->si.sz = sizeof(priv->si); |
| priv->decrypt_cb = NULL; |
| priv->decrypt_state = NULL; |
| |
| if (ctx->config.dec) { |
| /* Update the reference to the config structure to an internal copy. */ |
| priv->cfg = *ctx->config.dec; |
| ctx->config.dec = &priv->cfg; |
| } |
| |
| return 0; |
| } |
| |
| static vpx_codec_err_t vp8_init(vpx_codec_ctx_t *ctx, |
| vpx_codec_priv_enc_mr_cfg_t *data) { |
| vpx_codec_err_t res = VPX_CODEC_OK; |
| (void)data; |
| |
| vp8_rtcd(); |
| vpx_dsp_rtcd(); |
| vpx_scale_rtcd(); |
| |
| /* 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_alg_priv_t *priv; |
| |
| if (vp8_init_ctx(ctx)) return VPX_CODEC_MEM_ERROR; |
| |
| priv = (vpx_codec_alg_priv_t *)ctx->priv; |
| |
| /* initialize number of fragments to zero */ |
| priv->fragments.count = 0; |
| /* is input fragments enabled? */ |
| priv->fragments.enabled = |
| (priv->base.init_flags & VPX_CODEC_USE_INPUT_FRAGMENTS); |
| |
| /*post processing level initialized to do nothing */ |
| } |
| |
| return res; |
| } |
| |
| static vpx_codec_err_t vp8_destroy(vpx_codec_alg_priv_t *ctx) { |
| vp8_remove_decoder_instances(&ctx->yv12_frame_buffers); |
| |
| vpx_free(ctx); |
| |
| return VPX_CODEC_OK; |
| } |
| |
| static vpx_codec_err_t vp8_peek_si_internal(const uint8_t *data, |
| unsigned int data_sz, |
| vpx_codec_stream_info_t *si, |
| vpx_decrypt_cb decrypt_cb, |
| void *decrypt_state) { |
| vpx_codec_err_t res = VPX_CODEC_OK; |
| |
| assert(data != NULL); |
| |
| if (data + data_sz <= data) { |
| res = VPX_CODEC_INVALID_PARAM; |
| } else { |
| /* Parse uncompresssed part of key frame header. |
| * 3 bytes:- including version, frame type and an offset |
| * 3 bytes:- sync code (0x9d, 0x01, 0x2a) |
| * 4 bytes:- including image width and height in the lowest 14 bits |
| * of each 2-byte value. |
| */ |
| uint8_t clear_buffer[10]; |
| const uint8_t *clear = data; |
| if (decrypt_cb) { |
| int n = VPXMIN(sizeof(clear_buffer), data_sz); |
| decrypt_cb(decrypt_state, data, clear_buffer, n); |
| clear = clear_buffer; |
| } |
| si->is_kf = 0; |
| |
| if (data_sz >= 10 && !(clear[0] & 0x01)) /* I-Frame */ |
| { |
| si->is_kf = 1; |
| |
| /* vet via sync code */ |
| if (clear[3] != 0x9d || clear[4] != 0x01 || clear[5] != 0x2a) { |
| return VPX_CODEC_UNSUP_BITSTREAM; |
| } |
| |
| si->w = (clear[6] | (clear[7] << 8)) & 0x3fff; |
| si->h = (clear[8] | (clear[9] << 8)) & 0x3fff; |
| |
| /*printf("w=%d, h=%d\n", si->w, si->h);*/ |
| if (!(si->h && si->w)) res = VPX_CODEC_CORRUPT_FRAME; |
| } else { |
| res = VPX_CODEC_UNSUP_BITSTREAM; |
| } |
| } |
| |
| return res; |
| } |
| |
| static vpx_codec_err_t vp8_peek_si(const uint8_t *data, unsigned int data_sz, |
| vpx_codec_stream_info_t *si) { |
| return vp8_peek_si_internal(data, data_sz, si, NULL, NULL); |
| } |
| |
| 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 void yuvconfig2image(vpx_image_t *img, const YV12_BUFFER_CONFIG *yv12, |
| void *user_priv) { |
| /** vpx_img_wrap() doesn't allow specifying independent strides for |
| * the Y, U, and V planes, nor other alignment adjustments that |
| * might be representable by a YV12_BUFFER_CONFIG, so we just |
| * initialize all the fields.*/ |
| img->fmt = VPX_IMG_FMT_I420; |
| img->w = yv12->y_stride; |
| img->h = (yv12->y_height + 2 * VP8BORDERINPIXELS + 15) & ~15; |
| img->d_w = img->r_w = yv12->y_width; |
| img->d_h = img->r_h = yv12->y_height; |
| img->x_chroma_shift = 1; |
| img->y_chroma_shift = 1; |
| img->planes[VPX_PLANE_Y] = yv12->y_buffer; |
| img->planes[VPX_PLANE_U] = yv12->u_buffer; |
| img->planes[VPX_PLANE_V] = yv12->v_buffer; |
| img->planes[VPX_PLANE_ALPHA] = NULL; |
| img->stride[VPX_PLANE_Y] = yv12->y_stride; |
| img->stride[VPX_PLANE_U] = yv12->uv_stride; |
| img->stride[VPX_PLANE_V] = yv12->uv_stride; |
| img->stride[VPX_PLANE_ALPHA] = yv12->y_stride; |
| img->bit_depth = 8; |
| img->bps = 12; |
| img->user_priv = user_priv; |
| img->img_data = yv12->buffer_alloc; |
| img->img_data_owner = 0; |
| img->self_allocd = 0; |
| } |
| |
| static int update_fragments(vpx_codec_alg_priv_t *ctx, const uint8_t *data, |
| unsigned int data_sz, vpx_codec_err_t *res) { |
| *res = VPX_CODEC_OK; |
| |
| if (ctx->fragments.count == 0) { |
| /* New frame, reset fragment pointers and sizes */ |
| memset((void *)ctx->fragments.ptrs, 0, sizeof(ctx->fragments.ptrs)); |
| memset(ctx->fragments.sizes, 0, sizeof(ctx->fragments.sizes)); |
| } |
| if (ctx->fragments.enabled && !(data == NULL && data_sz == 0)) { |
| /* Store a pointer to this fragment and return. We haven't |
| * received the complete frame yet, so we will wait with decoding. |
| */ |
| ctx->fragments.ptrs[ctx->fragments.count] = data; |
| ctx->fragments.sizes[ctx->fragments.count] = data_sz; |
| ctx->fragments.count++; |
| if (ctx->fragments.count > (1 << EIGHT_PARTITION) + 1) { |
| ctx->fragments.count = 0; |
| *res = VPX_CODEC_INVALID_PARAM; |
| return -1; |
| } |
| return 0; |
| } |
| |
| if (!ctx->fragments.enabled && (data == NULL && data_sz == 0)) { |
| return 0; |
| } |
| |
| if (!ctx->fragments.enabled) { |
| ctx->fragments.ptrs[0] = data; |
| ctx->fragments.sizes[0] = data_sz; |
| ctx->fragments.count = 1; |
| } |
| |
| return 1; |
| } |
| |
| 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; |
| unsigned int resolution_change = 0; |
| unsigned int w, h; |
| |
| if (!ctx->fragments.enabled && (data == NULL && data_sz == 0)) { |
| return 0; |
| } |
| |
| /* Update the input fragment data */ |
| if (update_fragments(ctx, data, data_sz, &res) <= 0) return res; |
| |
| /* Determine the stream parameters. Note that we rely on peek_si to |
| * validate that we have a buffer that does not wrap around the top |
| * of the heap. |
| */ |
| w = ctx->si.w; |
| h = ctx->si.h; |
| |
| res = vp8_peek_si_internal(ctx->fragments.ptrs[0], ctx->fragments.sizes[0], |
| &ctx->si, ctx->decrypt_cb, ctx->decrypt_state); |
| |
| if ((res == VPX_CODEC_UNSUP_BITSTREAM) && !ctx->si.is_kf) { |
| /* the peek function returns an error for non keyframes, however for |
| * this case, it is not an error */ |
| res = VPX_CODEC_OK; |
| } |
| |
| if (!ctx->decoder_init && !ctx->si.is_kf) res = VPX_CODEC_UNSUP_BITSTREAM; |
| |
| if ((ctx->si.h != h) || (ctx->si.w != w)) resolution_change = 1; |
| |
| /* Initialize the decoder instance on the first frame*/ |
| if (!res && !ctx->decoder_init) { |
| VP8D_CONFIG oxcf; |
| |
| oxcf.Width = ctx->si.w; |
| oxcf.Height = ctx->si.h; |
| oxcf.Version = 9; |
| oxcf.postprocess = 0; |
| oxcf.max_threads = ctx->cfg.threads; |
| oxcf.error_concealment = |
| (ctx->base.init_flags & VPX_CODEC_USE_ERROR_CONCEALMENT); |
| |
| /* 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 | VP8_MFQE; |
| ctx->postproc_cfg.deblocking_level = 4; |
| ctx->postproc_cfg.noise_level = 0; |
| } |
| |
| res = vp8_create_decoder_instances(&ctx->yv12_frame_buffers, &oxcf); |
| if (res == VPX_CODEC_OK) ctx->decoder_init = 1; |
| } |
| |
| /* Set these even if already initialized. The caller may have changed the |
| * decrypt config between frames. |
| */ |
| if (ctx->decoder_init) { |
| ctx->yv12_frame_buffers.pbi[0]->decrypt_cb = ctx->decrypt_cb; |
| ctx->yv12_frame_buffers.pbi[0]->decrypt_state = ctx->decrypt_state; |
| } |
| |
| if (!res) { |
| VP8D_COMP *pbi = ctx->yv12_frame_buffers.pbi[0]; |
| if (resolution_change) { |
| VP8_COMMON *const pc = &pbi->common; |
| MACROBLOCKD *const xd = &pbi->mb; |
| #if CONFIG_MULTITHREAD |
| int i; |
| #endif |
| pc->Width = ctx->si.w; |
| pc->Height = ctx->si.h; |
| { |
| int prev_mb_rows = pc->mb_rows; |
| |
| if (setjmp(pbi->common.error.jmp)) { |
| pbi->common.error.setjmp = 0; |
| /* on failure clear the cached resolution to ensure a full |
| * reallocation is attempted on resync. */ |
| ctx->si.w = 0; |
| ctx->si.h = 0; |
| vpx_clear_system_state(); |
| /* same return value as used in vp8dx_receive_compressed_data */ |
| return -1; |
| } |
| |
| pbi->common.error.setjmp = 1; |
| |
| if (pc->Width <= 0) { |
| pc->Width = w; |
| vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME, |
| "Invalid frame width"); |
| } |
| |
| if (pc->Height <= 0) { |
| pc->Height = h; |
| vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME, |
| "Invalid frame height"); |
| } |
| |
| if (vp8_alloc_frame_buffers(pc, pc->Width, pc->Height)) { |
| vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR, |
| "Failed to allocate frame buffers"); |
| } |
| |
| xd->pre = pc->yv12_fb[pc->lst_fb_idx]; |
| xd->dst = pc->yv12_fb[pc->new_fb_idx]; |
| |
| #if CONFIG_MULTITHREAD |
| for (i = 0; i < pbi->allocated_decoding_thread_count; ++i) { |
| pbi->mb_row_di[i].mbd.dst = pc->yv12_fb[pc->new_fb_idx]; |
| vp8_build_block_doffsets(&pbi->mb_row_di[i].mbd); |
| } |
| #endif |
| vp8_build_block_doffsets(&pbi->mb); |
| |
| /* allocate memory for last frame MODE_INFO array */ |
| #if CONFIG_ERROR_CONCEALMENT |
| |
| if (pbi->ec_enabled) { |
| /* old prev_mip was released by vp8_de_alloc_frame_buffers() |
| * called in vp8_alloc_frame_buffers() */ |
| pc->prev_mip = vpx_calloc((pc->mb_cols + 1) * (pc->mb_rows + 1), |
| sizeof(MODE_INFO)); |
| |
| if (!pc->prev_mip) { |
| vp8_de_alloc_frame_buffers(pc); |
| vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR, |
| "Failed to allocate" |
| "last frame MODE_INFO array"); |
| } |
| |
| pc->prev_mi = pc->prev_mip + pc->mode_info_stride + 1; |
| |
| if (vp8_alloc_overlap_lists(pbi)) |
| vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR, |
| "Failed to allocate overlap lists " |
| "for error concealment"); |
| } |
| |
| #endif |
| |
| #if CONFIG_MULTITHREAD |
| if (pbi->b_multithreaded_rd) { |
| vp8mt_alloc_temp_buffers(pbi, pc->Width, prev_mb_rows); |
| } |
| #else |
| (void)prev_mb_rows; |
| #endif |
| } |
| |
| pbi->common.error.setjmp = 0; |
| |
| /* required to get past the first get_free_fb() call */ |
| pbi->common.fb_idx_ref_cnt[0] = 0; |
| } |
| |
| /* update the pbi fragment data */ |
| pbi->fragments = ctx->fragments; |
| |
| ctx->user_priv = user_priv; |
| if (vp8dx_receive_compressed_data(pbi, data_sz, data, deadline)) { |
| res = update_error_state(ctx, &pbi->common.error); |
| } |
| |
| /* get ready for the next series of fragments */ |
| ctx->fragments.count = 0; |
| } |
| |
| 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; |
| |
| /* iter acts as a flip flop, so an image is only returned on the first |
| * call to get_frame. |
| */ |
| if (!(*iter) && ctx->yv12_frame_buffers.pbi[0]) { |
| YV12_BUFFER_CONFIG sd; |
| int64_t time_stamp = 0, time_end_stamp = 0; |
| vp8_ppflags_t flags; |
| vp8_zero(flags); |
| |
| if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC) { |
| flags.post_proc_flag = ctx->postproc_cfg.post_proc_flag; |
| flags.deblocking_level = ctx->postproc_cfg.deblocking_level; |
| flags.noise_level = ctx->postproc_cfg.noise_level; |
| } |
| |
| if (0 == vp8dx_get_raw_frame(ctx->yv12_frame_buffers.pbi[0], &sd, |
| &time_stamp, &time_end_stamp, &flags)) { |
| yuvconfig2image(&ctx->img, &sd, ctx->user_priv); |
| |
| img = &ctx->img; |
| *iter = img; |
| } |
| } |
| |
| return img; |
| } |
| |
| static vpx_codec_err_t image2yuvconfig(const vpx_image_t *img, |
| YV12_BUFFER_CONFIG *yv12) { |
| const int y_w = img->d_w; |
| const int y_h = img->d_h; |
| const int uv_w = (img->d_w + 1) / 2; |
| const int uv_h = (img->d_h + 1) / 2; |
| vpx_codec_err_t res = VPX_CODEC_OK; |
| yv12->y_buffer = img->planes[VPX_PLANE_Y]; |
| yv12->u_buffer = img->planes[VPX_PLANE_U]; |
| yv12->v_buffer = img->planes[VPX_PLANE_V]; |
| |
| yv12->y_crop_width = y_w; |
| yv12->y_crop_height = y_h; |
| yv12->y_width = y_w; |
| yv12->y_height = y_h; |
| yv12->uv_crop_width = uv_w; |
| yv12->uv_crop_height = uv_h; |
| yv12->uv_width = uv_w; |
| yv12->uv_height = uv_h; |
| |
| yv12->y_stride = img->stride[VPX_PLANE_Y]; |
| yv12->uv_stride = img->stride[VPX_PLANE_U]; |
| |
| yv12->border = (img->stride[VPX_PLANE_Y] - img->d_w) / 2; |
| return res; |
| } |
| |
| static vpx_codec_err_t vp8_set_reference(vpx_codec_alg_priv_t *ctx, |
| 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); |
| |
| return vp8dx_set_reference(ctx->yv12_frame_buffers.pbi[0], |
| frame->frame_type, &sd); |
| } else { |
| return VPX_CODEC_INVALID_PARAM; |
| } |
| } |
| |
| static vpx_codec_err_t vp8_get_reference(vpx_codec_alg_priv_t *ctx, |
| 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); |
| |
| return vp8dx_get_reference(ctx->yv12_frame_buffers.pbi[0], |
| frame->frame_type, &sd); |
| } else { |
| return VPX_CODEC_INVALID_PARAM; |
| } |
| } |
| |
| static vpx_codec_err_t vp8_get_quantizer(vpx_codec_alg_priv_t *ctx, |
| va_list args) { |
| int *const arg = va_arg(args, int *); |
| if (arg == NULL) return VPX_CODEC_INVALID_PARAM; |
| *arg = vp8dx_get_quantizer(ctx->yv12_frame_buffers.pbi[0]); |
| return VPX_CODEC_OK; |
| } |
| |
| static vpx_codec_err_t vp8_set_postproc(vpx_codec_alg_priv_t *ctx, |
| va_list args) { |
| #if CONFIG_POSTPROC |
| vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *); |
| |
| 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 |
| (void)ctx; |
| (void)args; |
| return VPX_CODEC_INCAPABLE; |
| #endif |
| } |
| |
| static vpx_codec_err_t vp8_get_last_ref_updates(vpx_codec_alg_priv_t *ctx, |
| va_list args) { |
| int *update_info = va_arg(args, int *); |
| |
| if (update_info) { |
| VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0]; |
| |
| *update_info = pbi->common.refresh_alt_ref_frame * (int)VP8_ALTR_FRAME + |
| pbi->common.refresh_golden_frame * (int)VP8_GOLD_FRAME + |
| pbi->common.refresh_last_frame * (int)VP8_LAST_FRAME; |
| |
| return VPX_CODEC_OK; |
| } else { |
| return VPX_CODEC_INVALID_PARAM; |
| } |
| } |
| |
| extern int vp8dx_references_buffer(VP8_COMMON *oci, int ref_frame); |
| static vpx_codec_err_t vp8_get_last_ref_frame(vpx_codec_alg_priv_t *ctx, |
| va_list args) { |
| int *ref_info = va_arg(args, int *); |
| |
| if (ref_info) { |
| VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0]; |
| VP8_COMMON *oci = &pbi->common; |
| *ref_info = |
| (vp8dx_references_buffer(oci, ALTREF_FRAME) ? VP8_ALTR_FRAME : 0) | |
| (vp8dx_references_buffer(oci, GOLDEN_FRAME) ? VP8_GOLD_FRAME : 0) | |
| (vp8dx_references_buffer(oci, LAST_FRAME) ? VP8_LAST_FRAME : 0); |
| |
| return VPX_CODEC_OK; |
| } else { |
| return VPX_CODEC_INVALID_PARAM; |
| } |
| } |
| |
| static vpx_codec_err_t vp8_get_frame_corrupted(vpx_codec_alg_priv_t *ctx, |
| va_list args) { |
| int *corrupted = va_arg(args, int *); |
| VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0]; |
| |
| if (corrupted && pbi) { |
| const YV12_BUFFER_CONFIG *const frame = pbi->common.frame_to_show; |
| if (frame == NULL) return VPX_CODEC_ERROR; |
| *corrupted = frame->corrupted; |
| return VPX_CODEC_OK; |
| } else { |
| return VPX_CODEC_INVALID_PARAM; |
| } |
| } |
| |
| static vpx_codec_err_t vp8_set_decryptor(vpx_codec_alg_priv_t *ctx, |
| va_list args) { |
| vpx_decrypt_init *init = va_arg(args, vpx_decrypt_init *); |
| |
| if (init) { |
| ctx->decrypt_cb = init->decrypt_cb; |
| ctx->decrypt_state = init->decrypt_state; |
| } else { |
| ctx->decrypt_cb = NULL; |
| ctx->decrypt_state = NULL; |
| } |
| return VPX_CODEC_OK; |
| } |
| |
| 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 }, |
| { VP8D_GET_LAST_REF_UPDATES, vp8_get_last_ref_updates }, |
| { VP8D_GET_FRAME_CORRUPTED, vp8_get_frame_corrupted }, |
| { VP8D_GET_LAST_REF_USED, vp8_get_last_ref_frame }, |
| { VPXD_GET_LAST_QUANTIZER, vp8_get_quantizer }, |
| { VPXD_SET_DECRYPTOR, vp8_set_decryptor }, |
| { -1, NULL }, |
| }; |
| |
| #ifndef VERSION_STRING |
| #define VERSION_STRING |
| #endif |
| CODEC_INTERFACE(vpx_codec_vp8_dx) = { |
| "WebM Project VP8 Decoder" VERSION_STRING, |
| VPX_CODEC_INTERNAL_ABI_VERSION, |
| VPX_CODEC_CAP_DECODER | VP8_CAP_POSTPROC | VP8_CAP_ERROR_CONCEALMENT | |
| VPX_CODEC_CAP_INPUT_FRAGMENTS, |
| /* 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_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; */ |
| NULL, |
| }, |
| { |
| /* encoder functions */ |
| 0, NULL, /* vpx_codec_enc_cfg_map_t */ |
| NULL, /* vpx_codec_encode_fn_t */ |
| NULL, /* vpx_codec_get_cx_data_fn_t */ |
| NULL, /* vpx_codec_enc_config_set_fn_t */ |
| NULL, /* vpx_codec_get_global_headers_fn_t */ |
| NULL, /* vpx_codec_get_preview_frame_fn_t */ |
| NULL /* vpx_codec_enc_mr_get_mem_loc_fn_t */ |
| } |
| }; |