diff options
Diffstat (limited to 'media/libvpx/libvpx/vp8/vp8_dx_iface.c')
-rw-r--r-- | media/libvpx/libvpx/vp8/vp8_dx_iface.c | 752 |
1 files changed, 752 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp8/vp8_dx_iface.c b/media/libvpx/libvpx/vp8/vp8_dx_iface.c new file mode 100644 index 0000000000..e81deaf4ea --- /dev/null +++ b/media/libvpx/libvpx/vp8/vp8_dx_iface.c @@ -0,0 +1,752 @@ +/* + * 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/onyxc_int.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; +#if CONFIG_MULTITHREAD + // Restart threads on next frame if set to 1. + // This is set when error happens in multithreaded decoding and all threads + // are shut down. + int restart_threads; +#endif + 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)) { + si->w = si->h = 0; + 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, + volatile 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. + */ + if (ctx->fragments.count >= MAX_PARTITIONS) { + ctx->fragments.count = 0; + *res = VPX_CODEC_INVALID_PARAM; + return -1; + } + ctx->fragments.ptrs[ctx->fragments.count] = data; + ctx->fragments.sizes[ctx->fragments.count] = data_sz; + ctx->fragments.count++; + 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) { + volatile vpx_codec_err_t res; + volatile unsigned int resolution_change = 0; + volatile 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 (!res && ctx->decoder_init && w == 0 && h == 0 && ctx->si.h == 0 && + ctx->si.w == 0) { + VP8D_COMP *pbi = ctx->yv12_frame_buffers.pbi[0]; + assert(pbi != NULL); + assert(!pbi->common.error.setjmp); + res = VPX_CODEC_CORRUPT_FRAME; + vpx_internal_error(&pbi->common.error, res, + "Keyframe / intra-only frame required to reset decoder" + " state"); + } + + if ((ctx->si.h != h) || (ctx->si.w != w)) resolution_change = 1; + +#if CONFIG_MULTITHREAD + if (!res && ctx->restart_threads) { + VP8D_COMP *pbi = ctx->yv12_frame_buffers.pbi[0]; + VP8_COMMON *const pc = &pbi->common; + if (setjmp(pbi->common.error.jmp)) { + pbi->common.error.setjmp = 0; + vp8_decoder_remove_threads(pbi); + vpx_clear_system_state(); + return VPX_CODEC_ERROR; + } + pbi->common.error.setjmp = 1; + pbi->max_threads = ctx->cfg.threads; + vp8_decoder_create_threads(pbi); + if (vpx_atomic_load_acquire(&pbi->b_multithreaded_rd)) { + vp8mt_alloc_temp_buffers(pbi, pc->Width, pc->mb_rows); + } + ctx->restart_threads = 0; + pbi->common.error.setjmp = 0; + } +#endif + /* 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; + } else { + /* on failure clear the cached resolution to ensure a full + * reallocation is attempted on resync. */ + ctx->si.w = 0; + ctx->si.h = 0; + } + } + + /* 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]; + VP8_COMMON *const pc = &pbi->common; + if (resolution_change) { + MACROBLOCKD *const xd = &pbi->mb; +#if CONFIG_MULTITHREAD + int i; +#endif + pc->Width = ctx->si.w; + pc->Height = ctx->si.h; + { + 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 CONFIG_MULTITHREAD + if (vpx_atomic_load_acquire(&pbi->b_multithreaded_rd)) { + vp8mt_de_alloc_temp_buffers(pbi, pc->mb_rows); + } +#endif + + 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 (vpx_atomic_load_acquire(&pbi->b_multithreaded_rd)) { + vp8mt_alloc_temp_buffers(pbi, pc->Width, 0); + } +#endif + } + + pbi->common.error.setjmp = 0; + + /* required to get past the first get_free_fb() call */ + pbi->common.fb_idx_ref_cnt[0] = 0; + } + + if (setjmp(pbi->common.error.jmp)) { + vpx_clear_system_state(); + /* We do not know if the missing frame(s) was supposed to update + * any of the reference buffers, but we act conservative and + * mark only the last buffer as corrupted. + */ + pc->yv12_fb[pc->lst_fb_idx].corrupted = 1; + + if (pc->fb_idx_ref_cnt[pc->new_fb_idx] > 0) { + pc->fb_idx_ref_cnt[pc->new_fb_idx]--; + } + pc->error.setjmp = 0; +#if CONFIG_MULTITHREAD + if (pbi->restart_threads) { + ctx->si.w = 0; + ctx->si.h = 0; + ctx->restart_threads = 1; + } +#endif + res = update_error_state(ctx, &pbi->common.error); + return res; + } + + pbi->common.error.setjmp = 1; + + /* update the pbi fragment data */ + pbi->fragments = ctx->fragments; +#if CONFIG_MULTITHREAD + pbi->restart_threads = 0; +#endif + ctx->user_priv = user_priv; + if (vp8dx_receive_compressed_data(pbi)) { + res = update_error_state(ctx, &pbi->common.error); + } + + /* get ready for the next series of fragments */ + ctx->fragments.count = 0; + pbi->common.error.setjmp = 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; + 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, &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 *); + VP8D_COMP *pbi = ctx->yv12_frame_buffers.pbi[0]; + if (arg == NULL) return VPX_CODEC_INVALID_PARAM; + if (pbi == NULL) return VPX_CODEC_CORRUPT_FRAME; + *arg = vp8dx_get_quantizer(pbi); + 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]; + if (pbi == NULL) return VPX_CODEC_CORRUPT_FRAME; + + *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; + } +} + +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]; + if (pbi) { + 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_CORRUPT_FRAME; + } + } 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; +} + +static 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 */ + } +}; |