ref: cedefa50c379a46813be2bdae1ae9137963622fc
dir: /src/lib.c/
/* * Copyright © 2018, VideoLAN and dav1d authors * Copyright © 2018, Two Orioles, LLC * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "version.h" #include <errno.h> #include <string.h> #include "dav1d/dav1d.h" #include "dav1d/data.h" #include "common/mem.h" #include "common/validate.h" #include "src/internal.h" #include "src/obu.h" #include "src/qm.h" #include "src/ref.h" #include "src/thread_task.h" #include "src/wedge.h" static void init_internal(void) { av1_init_wedge_masks(); av1_init_interintra_masks(); av1_init_qm_tables(); } static pthread_once_t initted = PTHREAD_ONCE_INIT; void dav1d_init(void) { pthread_once(&initted, init_internal); } const char *dav1d_version(void) { return DAV1D_VERSION; } void dav1d_default_settings(Dav1dSettings *const s) { s->n_frame_threads = 1; s->n_tile_threads = 1; } int dav1d_open(Dav1dContext **const c_out, const Dav1dSettings *const s) { validate_input_or_ret(c_out != NULL, -EINVAL); validate_input_or_ret(s != NULL, -EINVAL); validate_input_or_ret(s->n_tile_threads >= 1 && s->n_tile_threads <= 64, -EINVAL); validate_input_or_ret(s->n_frame_threads >= 1 && s->n_frame_threads <= 256, -EINVAL); Dav1dContext *const c = *c_out = dav1d_alloc_aligned(sizeof(*c), 32); if (!c) goto error; memset(c, 0, sizeof(*c)); c->n_fc = s->n_frame_threads; c->fc = dav1d_alloc_aligned(sizeof(*c->fc) * s->n_frame_threads, 32); if (!c->fc) goto error; memset(c->fc, 0, sizeof(*c->fc) * s->n_frame_threads); if (c->n_fc > 1) { c->frame_thread.out_delayed = malloc(sizeof(*c->frame_thread.out_delayed) * c->n_fc); memset(c->frame_thread.out_delayed, 0, sizeof(*c->frame_thread.out_delayed) * c->n_fc); } for (int n = 0; n < s->n_frame_threads; n++) { Dav1dFrameContext *const f = &c->fc[n]; f->c = c; f->lf.last_sharpness = -1; f->n_tc = s->n_tile_threads; f->tc = dav1d_alloc_aligned(sizeof(*f->tc) * s->n_tile_threads, 32); if (!f->tc) goto error; memset(f->tc, 0, sizeof(*f->tc) * s->n_tile_threads); if (f->n_tc > 1) { pthread_mutex_init(&f->tile_thread.lock, NULL); pthread_cond_init(&f->tile_thread.cond, NULL); pthread_cond_init(&f->tile_thread.icond, NULL); } for (int m = 0; m < s->n_tile_threads; m++) { Dav1dTileContext *const t = &f->tc[m]; t->f = f; t->cf = dav1d_alloc_aligned(32 * 32 * sizeof(int32_t), 32); if (!t->cf) goto error; t->scratch.mem = dav1d_alloc_aligned(128 * 128 * 8, 32); if (!t->scratch.mem) goto error; memset(t->cf, 0, 32 * 32 * sizeof(int32_t)); t->emu_edge = dav1d_alloc_aligned(160 * (128 + 7) * sizeof(uint16_t), 32); if (!t->emu_edge) goto error; if (f->n_tc > 1) { pthread_mutex_init(&t->tile_thread.td.lock, NULL); pthread_cond_init(&t->tile_thread.td.cond, NULL); t->tile_thread.fttd = &f->tile_thread; pthread_create(&t->tile_thread.td.thread, NULL, dav1d_tile_task, t); } } f->libaom_cm = av1_alloc_ref_mv_common(); if (c->n_fc > 1) { pthread_mutex_init(&f->frame_thread.td.lock, NULL); pthread_cond_init(&f->frame_thread.td.cond, NULL); pthread_create(&f->frame_thread.td.thread, NULL, dav1d_frame_task, f); } } // intra edge tree c->intra_edge.root[BL_128X128] = &c->intra_edge.branch_sb128[0].node; init_mode_tree(c->intra_edge.root[BL_128X128], c->intra_edge.tip_sb128, 1); c->intra_edge.root[BL_64X64] = &c->intra_edge.branch_sb64[0].node; init_mode_tree(c->intra_edge.root[BL_64X64], c->intra_edge.tip_sb64, 0); return 0; error: if (c) { if (c->fc) { for (unsigned n = 0; n < c->n_fc; n++) if (c->fc[n].tc) dav1d_free_aligned(c->fc[n].tc); dav1d_free_aligned(c->fc); } dav1d_freep_aligned(c_out); } fprintf(stderr, "Failed to allocate memory: %s\n", strerror(errno)); return -ENOMEM; } int dav1d_decode(Dav1dContext *const c, Dav1dData *const in, Dav1dPicture *const out) { int res; validate_input_or_ret(c != NULL, -EINVAL); validate_input_or_ret(out != NULL, -EINVAL); if (!in) { if (c->n_fc == 1) return -EAGAIN; // flush unsigned flush_count = 0; do { const unsigned next = c->frame_thread.next; Dav1dFrameContext *const f = &c->fc[next]; pthread_mutex_lock(&f->frame_thread.td.lock); while (f->n_tile_data > 0) pthread_cond_wait(&f->frame_thread.td.cond, &f->frame_thread.td.lock); pthread_mutex_unlock(&f->frame_thread.td.lock); Dav1dThreadPicture *const out_delayed = &c->frame_thread.out_delayed[next]; if (++c->frame_thread.next == c->n_fc) c->frame_thread.next = 0; if (out_delayed->p.data[0]) { if (out_delayed->visible && !out_delayed->flushed) { dav1d_picture_ref(out, &out_delayed->p); } dav1d_thread_picture_unref(out_delayed); if (out->data[0]) { return 0; } // else continue } } while (++flush_count < c->n_fc); return -EAGAIN; } while (in->sz > 0) { if ((res = parse_obus(c, in)) < 0) return res; assert(res <= in->sz); in->sz -= res; in->data += res; if (c->out.data[0]) { if (!in->sz) dav1d_data_unref(in); dav1d_picture_ref(out, &c->out); dav1d_picture_unref(&c->out); return 0; } } if (c->out.data[0]) { dav1d_picture_ref(out, &c->out); dav1d_picture_unref(&c->out); return 0; } return -EAGAIN; } void dav1d_flush(Dav1dContext *const c) { if (c->n_fc == 1) return; for (unsigned n = 0; n < c->n_fc; n++) c->frame_thread.out_delayed[n].flushed = 1; } void dav1d_close(Dav1dContext **const c_out) { validate_input(c_out != NULL); Dav1dContext *const c = *c_out; if (!c) return; for (unsigned n = 0; n < c->n_fc; n++) { Dav1dFrameContext *const f = &c->fc[n]; // clean-up threading stuff if (c->n_fc > 1) { pthread_mutex_lock(&f->frame_thread.td.lock); f->frame_thread.die = 1; pthread_cond_signal(&f->frame_thread.td.cond); pthread_mutex_unlock(&f->frame_thread.td.lock); pthread_join(f->frame_thread.td.thread, NULL); freep(&f->frame_thread.b); dav1d_freep_aligned(&f->frame_thread.pal_idx); dav1d_freep_aligned(&f->frame_thread.cf); freep(&f->frame_thread.tile_start_off); freep(&f->frame_thread.pal); freep(&f->frame_thread.cbi); pthread_mutex_destroy(&f->frame_thread.td.lock); pthread_cond_destroy(&f->frame_thread.td.cond); } if (f->n_tc > 1) { pthread_mutex_lock(&f->tile_thread.lock); for (int m = 0; m < f->n_tc; m++) { Dav1dTileContext *const t = &f->tc[m]; t->tile_thread.die = 1; } pthread_cond_broadcast(&f->tile_thread.cond); while (f->tile_thread.available != (1 << f->n_tc) - 1) pthread_cond_wait(&f->tile_thread.icond, &f->tile_thread.lock); pthread_mutex_unlock(&f->tile_thread.lock); for (int m = 0; m < f->n_tc; m++) { Dav1dTileContext *const t = &f->tc[m]; if (f->n_tc > 1) { pthread_join(t->tile_thread.td.thread, NULL); pthread_mutex_destroy(&t->tile_thread.td.lock); pthread_cond_destroy(&t->tile_thread.td.cond); } } pthread_mutex_destroy(&f->tile_thread.lock); pthread_cond_destroy(&f->tile_thread.cond); pthread_cond_destroy(&f->tile_thread.icond); } for (int m = 0; m < f->n_tc; m++) { Dav1dTileContext *const t = &f->tc[m]; dav1d_free_aligned(t->cf); dav1d_free_aligned(t->scratch.mem); dav1d_free_aligned(t->emu_edge); } for (int m = 0; m < f->n_ts; m++) { Dav1dTileState *const ts = &f->ts[m]; pthread_cond_destroy(&ts->tile_thread.cond); pthread_mutex_destroy(&ts->tile_thread.lock); } free(f->ts); dav1d_free_aligned(f->tc); dav1d_free_aligned(f->ipred_edge[0]); free(f->a); free(f->lf.mask); free(f->lf.level); free(f->lf.tx_lpf_right_edge[0]); av1_free_ref_mv_common(f->libaom_cm); dav1d_free_aligned(f->lf.cdef_line); dav1d_free_aligned(f->lf.lr_lpf_line); } dav1d_free_aligned(c->fc); if (c->n_fc > 1) { for (unsigned n = 0; n < c->n_fc; n++) if (c->frame_thread.out_delayed[n].p.data[0]) dav1d_thread_picture_unref(&c->frame_thread.out_delayed[n]); free(c->frame_thread.out_delayed); } for (int n = 0; n < c->n_tile_data; n++) dav1d_data_unref(&c->tile[n].data); for (int n = 0; n < 8; n++) { if (c->cdf[n].cdf) cdf_thread_unref(&c->cdf[n]); if (c->refs[n].p.p.data[0]) dav1d_thread_picture_unref(&c->refs[n].p); if (c->refs[n].refmvs) dav1d_ref_dec(c->refs[n].refmvs); if (c->refs[n].segmap) dav1d_ref_dec(c->refs[n].segmap); } dav1d_freep_aligned(c_out); }