diff options
Diffstat (limited to 'media/libvpx/vp8/vp8_dx_iface.c')
| -rw-r--r-- | media/libvpx/vp8/vp8_dx_iface.c | 833 |
1 files changed, 833 insertions, 0 deletions
diff --git a/media/libvpx/vp8/vp8_dx_iface.c b/media/libvpx/vp8/vp8_dx_iface.c new file mode 100644 index 000000000..72e4770c0 --- /dev/null +++ b/media/libvpx/vp8/vp8_dx_iface.c @@ -0,0 +1,833 @@ +/* + * 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 <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_mem/vpx_mem.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]))) + +static unsigned long vp8_priv_sz(const vpx_codec_dec_cfg_t *si, vpx_codec_flags_t); + +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; +#if CONFIG_POSTPROC_VISUALIZER + unsigned int dbg_postproc_flag; + int dbg_color_ref_frame_flag; + int dbg_color_mb_modes_flag; + int dbg_color_b_modes_flag; + int dbg_display_mv_flag; +#endif + 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 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; + (void)flags; + return sizeof(vpx_codec_alg_priv_t); +} + +static void vp8_init_ctx(vpx_codec_ctx_t *ctx) +{ + vpx_codec_alg_priv_t *priv = + (vpx_codec_alg_priv_t *)vpx_calloc(1, sizeof(*priv)); + + 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; + } +} + +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; + vpx_codec_alg_priv_t *priv = NULL; + (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) { + vp8_init_ctx(ctx); + 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 */ + } else { + priv = (vpx_codec_alg_priv_t *)ctx->priv; + } + + priv->yv12_frame_buffers.use_frame_threads = + (ctx->priv->init_flags & VPX_CODEC_USE_FRAME_THREADING); + + /* for now, disable frame threading */ + priv->yv12_frame_buffers.use_frame_threads = 0; + + if (priv->yv12_frame_buffers.use_frame_threads && + ((ctx->priv->init_flags & VPX_CODEC_USE_ERROR_CONCEALMENT) || + (ctx->priv->init_flags & VPX_CODEC_USE_INPUT_FRAGMENTS))) { + /* row-based threading, error concealment, and input fragments will + * not be supported when using frame-based threading */ + res = VPX_CODEC_INVALID_PARAM; + } + + 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; + + 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 = MIN(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_UNSUP_BITSTREAM; + } + 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 = yv12->y_width; + img->d_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); + 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; + vp8_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 = {0}; + + if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC) + { + flags.post_proc_flag= ctx->postproc_cfg.post_proc_flag +#if CONFIG_POSTPROC_VISUALIZER + + | ((ctx->dbg_color_ref_frame_flag != 0) ? VP8D_DEBUG_CLR_FRM_REF_BLKS : 0) + | ((ctx->dbg_color_mb_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0) + | ((ctx->dbg_color_b_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0) + | ((ctx->dbg_display_mv_flag != 0) ? VP8D_DEBUG_DRAW_MV : 0) +#endif + ; + flags.deblocking_level = ctx->postproc_cfg.deblocking_level; + flags.noise_level = ctx->postproc_cfg.noise_level; +#if CONFIG_POSTPROC_VISUALIZER + flags.display_ref_frame_flag= ctx->dbg_color_ref_frame_flag; + flags.display_mb_modes_flag = ctx->dbg_color_mb_modes_flag; + flags.display_b_modes_flag = ctx->dbg_color_b_modes_flag; + flags.display_mv_flag = ctx->dbg_display_mv_flag; +#endif + } + + 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 && !ctx->yv12_frame_buffers.use_frame_threads) + { + 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 && !ctx->yv12_frame_buffers.use_frame_threads) + { + 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_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_set_dbg_color_ref_frame(vpx_codec_alg_priv_t *ctx, + va_list args) { +#if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC + ctx->dbg_color_ref_frame_flag = va_arg(args, int); + return VPX_CODEC_OK; +#else + (void)ctx; + (void)args; + return VPX_CODEC_INCAPABLE; +#endif +} + +static vpx_codec_err_t vp8_set_dbg_color_mb_modes(vpx_codec_alg_priv_t *ctx, + va_list args) { +#if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC + ctx->dbg_color_mb_modes_flag = va_arg(args, int); + return VPX_CODEC_OK; +#else + (void)ctx; + (void)args; + return VPX_CODEC_INCAPABLE; +#endif +} + +static vpx_codec_err_t vp8_set_dbg_color_b_modes(vpx_codec_alg_priv_t *ctx, + va_list args) { +#if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC + ctx->dbg_color_b_modes_flag = va_arg(args, int); + return VPX_CODEC_OK; +#else + (void)ctx; + (void)args; + return VPX_CODEC_INCAPABLE; +#endif +} + +static vpx_codec_err_t vp8_set_dbg_display_mv(vpx_codec_alg_priv_t *ctx, + va_list args) { +#if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC + ctx->dbg_display_mv_flag = va_arg(args, int); + return VPX_CODEC_OK; +#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 && !ctx->yv12_frame_buffers.use_frame_threads) + { + 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 && !ctx->yv12_frame_buffers.use_frame_threads) + { + 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}, + {VP8_SET_DBG_COLOR_REF_FRAME, vp8_set_dbg_color_ref_frame}, + {VP8_SET_DBG_COLOR_MB_MODES, vp8_set_dbg_color_mb_modes}, + {VP8_SET_DBG_COLOR_B_MODES, vp8_set_dbg_color_b_modes}, + {VP8_SET_DBG_DISPLAY_MV, vp8_set_dbg_display_mv}, + {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_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, + NULL, + NULL, + NULL, + NULL, + NULL + } +}; |