static vpx_codec_err_t vp8_destroy(vpx_codec_alg_priv_t *ctx) {
int i;
vp9_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;
}
VP9D_PTR vp9_create_decompressor(VP9D_CONFIG *oxcf) {
VP9D_COMP *const pbi = vpx_memalign(32, sizeof(VP9D_COMP));
VP9_COMMON *const cm = pbi ? &pbi->common : NULL;
if (!cm)
return NULL;
vp9_zero(*pbi);
// Initialize the references to not point to any frame buffers.
memset(&cm->ref_frame_map, -1, sizeof(cm->ref_frame_map));
if (setjmp(cm->error.jmp)) {
cm->error.setjmp = 0;
vp9_remove_decompressor(pbi);
return NULL;
}
cm->error.setjmp = 1;
vp9_initialize_dec();
vp9_create_common(cm);
pbi->oxcf = *oxcf;
pbi->ready_for_new_data = 1;
cm->current_video_frame = 0;
// vp9_init_dequantizer() is first called here. Add check in
// frame_init_dequantizer() to avoid unnecessary calling of
// vp9_init_dequantizer() for every frame.
vp9_init_dequantizer(cm);
vp9_loop_filter_init(cm);
cm->error.setjmp = 0;
pbi->decoded_key_frame = 0;
init_macroblockd(pbi);
vp9_worker_init(&pbi->lf_worker);
return pbi;
}
static vpx_codec_err_t vp9_destroy(vpx_codec_alg_priv_t *ctx) {
if (ctx->pbi)
vp9_remove_decompressor(ctx->pbi);
return VPX_CODEC_OK;
}
