1 files changed, 367 insertions, 0 deletions

diff --git a/third_party/dav1d/src/picture.c b/third_party/dav1d/src/picture.c
new file mode 100644
index 0000000000..3e55d3f273
--- /dev/null
+++ b/third_party/dav1d/src/picture.c
@@ -0,0 +1,367 @@
+/*
+ * 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 <errno.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "common/intops.h"
+#include "common/validate.h"
+
+#include "src/internal.h"
+#include "src/log.h"
+#include "src/picture.h"
+#include "src/ref.h"
+#include "src/thread.h"
+#include "src/thread_task.h"
+
+int dav1d_default_picture_alloc(Dav1dPicture *const p, void *const cookie) {
+    assert(sizeof(Dav1dMemPoolBuffer) <= DAV1D_PICTURE_ALIGNMENT);
+    const int hbd = p->p.bpc > 8;
+    const int aligned_w = (p->p.w + 127) & ~127;
+    const int aligned_h = (p->p.h + 127) & ~127;
+    const int has_chroma = p->p.layout != DAV1D_PIXEL_LAYOUT_I400;
+    const int ss_ver = p->p.layout == DAV1D_PIXEL_LAYOUT_I420;
+    const int ss_hor = p->p.layout != DAV1D_PIXEL_LAYOUT_I444;
+    ptrdiff_t y_stride = aligned_w << hbd;
+    ptrdiff_t uv_stride = has_chroma ? y_stride >> ss_hor : 0;
+    /* Due to how mapping of addresses to sets works in most L1 and L2 cache
+     * implementations, strides of multiples of certain power-of-two numbers
+     * may cause multiple rows of the same superblock to map to the same set,
+     * causing evictions of previous rows resulting in a reduction in cache
+     * hit rate. Avoid that by slightly padding the stride when necessary. */
+    if (!(y_stride & 1023))
+        y_stride += DAV1D_PICTURE_ALIGNMENT;
+    if (!(uv_stride & 1023) && has_chroma)
+        uv_stride += DAV1D_PICTURE_ALIGNMENT;
+    p->stride[0] = y_stride;
+    p->stride[1] = uv_stride;
+    const size_t y_sz = y_stride * aligned_h;
+    const size_t uv_sz = uv_stride * (aligned_h >> ss_ver);
+    const size_t pic_size = y_sz + 2 * uv_sz;
+
+    Dav1dMemPoolBuffer *const buf = dav1d_mem_pool_pop(cookie, pic_size +
+                                                       DAV1D_PICTURE_ALIGNMENT -
+                                                       sizeof(Dav1dMemPoolBuffer));
+    if (!buf) return DAV1D_ERR(ENOMEM);
+    p->allocator_data = buf;
+
+    uint8_t *const data = buf->data;
+    p->data[0] = data;
+    p->data[1] = has_chroma ? data + y_sz : NULL;
+    p->data[2] = has_chroma ? data + y_sz + uv_sz : NULL;
+
+    return 0;
+}
+
+void dav1d_default_picture_release(Dav1dPicture *const p, void *const cookie) {
+    dav1d_mem_pool_push(cookie, p->allocator_data);
+}
+
+struct pic_ctx_context {
+    struct Dav1dRef *plane_ref[3]; /* MUST BE FIRST */
+    enum Dav1dPixelLayout layout;
+    void *extra_ptr; /* MUST BE AT THE END */
+};
+
+struct plane_ctx_context {
+    Dav1dPicAllocator allocator;
+    Dav1dPicture pic;
+};
+
+static void free_buffer(const uint8_t *const data, void *const user_data) {
+    struct pic_ctx_context *pic_ctx = user_data;
+    const int planes = pic_ctx->layout != DAV1D_PIXEL_LAYOUT_I400 ? 3 : 1;
+
+    for (int i = 0; i < planes; i++)
+        dav1d_ref_dec(&pic_ctx->plane_ref[i]);
+    free(pic_ctx);
+}
+
+static void free_plane_buffer(const uint8_t *const data, void *const user_data) {
+    struct plane_ctx_context *plane_ctx = user_data;
+
+    plane_ctx->allocator.release_picture_callback(&plane_ctx->pic,
+                                                  plane_ctx->allocator.cookie);
+    free(plane_ctx);
+}
+
+static int picture_alloc_with_edges(Dav1dContext *const c,
+                                    Dav1dPicture *const p,
+                                    const int w, const int h,
+                                    Dav1dSequenceHeader *const seq_hdr, Dav1dRef *const seq_hdr_ref,
+                                    Dav1dFrameHeader *const frame_hdr, Dav1dRef *const frame_hdr_ref,
+                                    Dav1dContentLightLevel *const content_light, Dav1dRef *const content_light_ref,
+                                    Dav1dMasteringDisplay *const mastering_display, Dav1dRef *const mastering_display_ref,
+                                    Dav1dITUTT35 *const itut_t35, Dav1dRef *const itut_t35_ref,
+                                    const int bpc,
+                                    const Dav1dDataProps *const props,
+                                    Dav1dPicAllocator *const p_allocator,
+                                    const size_t extra, void **const extra_ptr)
+{
+    if (p->data[0]) {
+        dav1d_log(c, "Picture already allocated!\n");
+        return -1;
+    }
+    assert(bpc > 0 && bpc <= 16);
+
+    struct pic_ctx_context *pic_ctx = malloc(extra + sizeof(struct pic_ctx_context));
+    if (pic_ctx == NULL)
+        return DAV1D_ERR(ENOMEM);
+    memset(pic_ctx, 0, sizeof(struct pic_ctx_context));
+
+    p->p.w = w;
+    p->p.h = h;
+    p->seq_hdr = seq_hdr;
+    p->frame_hdr = frame_hdr;
+    p->p.layout = seq_hdr->layout;
+    p->p.bpc = bpc;
+    dav1d_data_props_set_defaults(&p->m);
+    const int res = p_allocator->alloc_picture_callback(p, p_allocator->cookie);
+    if (res < 0) {
+        free(pic_ctx);
+        return res;
+    }
+
+    pic_ctx->layout = p->p.layout;
+
+    if (!(p->ref = dav1d_ref_wrap(p->data[0], free_buffer, pic_ctx))) {
+        p_allocator->release_picture_callback(p, p_allocator->cookie);
+        free(pic_ctx);
+        dav1d_log(c, "Failed to wrap picture: %s\n", strerror(errno));
+        return DAV1D_ERR(ENOMEM);
+    }
+
+    struct plane_ctx_context *plane_ctx = malloc(sizeof(struct plane_ctx_context));
+    if (plane_ctx == NULL){
+        dav1d_ref_dec(&p->ref);
+        p_allocator->release_picture_callback(p, p_allocator->cookie);
+        return DAV1D_ERR(ENOMEM);
+    }
+
+    plane_ctx->allocator = *p_allocator;
+    plane_ctx->pic = *p;
+
+    pic_ctx->plane_ref[0] = dav1d_ref_wrap(p->data[0], free_plane_buffer, plane_ctx);
+    if (!pic_ctx->plane_ref[0]) {
+        dav1d_ref_dec(&p->ref);
+        p_allocator->release_picture_callback(p, p_allocator->cookie);
+        free(plane_ctx);
+        dav1d_log(c, "Failed to wrap picture plane: %s\n", strerror(errno));
+        return DAV1D_ERR(ENOMEM);
+    }
+
+    const int planes = p->p.layout != DAV1D_PIXEL_LAYOUT_I400 ? 3 : 1;
+    for (int i = 1; i < planes; i++) {
+        pic_ctx->plane_ref[i] = pic_ctx->plane_ref[0];
+        dav1d_ref_inc(pic_ctx->plane_ref[i]);
+    }
+
+    p->seq_hdr_ref = seq_hdr_ref;
+    if (seq_hdr_ref) dav1d_ref_inc(seq_hdr_ref);
+
+    p->frame_hdr_ref = frame_hdr_ref;
+    if (frame_hdr_ref) dav1d_ref_inc(frame_hdr_ref);
+
+    dav1d_picture_copy_props(p, content_light, content_light_ref,
+                             mastering_display, mastering_display_ref,
+                             itut_t35, itut_t35_ref, props);
+
+    if (extra && extra_ptr)
+        *extra_ptr = &pic_ctx->extra_ptr;
+
+    return 0;
+}
+
+void dav1d_picture_copy_props(Dav1dPicture *const p,
+                              Dav1dContentLightLevel *const content_light, Dav1dRef *const content_light_ref,
+                              Dav1dMasteringDisplay *const mastering_display, Dav1dRef *const mastering_display_ref,
+                              Dav1dITUTT35 *const itut_t35, Dav1dRef *const itut_t35_ref,
+                              const Dav1dDataProps *const props)
+{
+    dav1d_data_props_copy(&p->m, props);
+
+    dav1d_ref_dec(&p->content_light_ref);
+    p->content_light_ref = content_light_ref;
+    p->content_light = content_light;
+    if (content_light_ref) dav1d_ref_inc(content_light_ref);
+
+    dav1d_ref_dec(&p->mastering_display_ref);
+    p->mastering_display_ref = mastering_display_ref;
+    p->mastering_display = mastering_display;
+    if (mastering_display_ref) dav1d_ref_inc(mastering_display_ref);
+
+    dav1d_ref_dec(&p->itut_t35_ref);
+    p->itut_t35_ref = itut_t35_ref;
+    p->itut_t35 = itut_t35;
+    if (itut_t35_ref) dav1d_ref_inc(itut_t35_ref);
+}
+
+int dav1d_thread_picture_alloc(Dav1dContext *const c, Dav1dFrameContext *const f,
+                               const int bpc)
+{
+    Dav1dThreadPicture *const p = &f->sr_cur;
+    const int have_frame_mt = c->n_fc > 1;
+
+    const int res =
+        picture_alloc_with_edges(c, &p->p, f->frame_hdr->width[1], f->frame_hdr->height,
+                                 f->seq_hdr, f->seq_hdr_ref,
+                                 f->frame_hdr, f->frame_hdr_ref,
+                                 c->content_light, c->content_light_ref,
+                                 c->mastering_display, c->mastering_display_ref,
+                                 c->itut_t35, c->itut_t35_ref,
+                                 bpc, &f->tile[0].data.m, &c->allocator,
+                                 have_frame_mt ? sizeof(atomic_int) * 2 : 0,
+                                 (void **) &p->progress);
+    if (res) return res;
+
+    // Must be removed from the context after being attached to the frame
+    dav1d_ref_dec(&c->itut_t35_ref);
+    c->itut_t35 = NULL;
+
+    // Don't clear these flags from c->frame_flags if the frame is not visible.
+    // This way they will be added to the next visible frame too.
+    const int flags_mask = (f->frame_hdr->show_frame || c->output_invisible_frames)
+                           ? 0 : (PICTURE_FLAG_NEW_SEQUENCE | PICTURE_FLAG_NEW_OP_PARAMS_INFO);
+    p->flags = c->frame_flags;
+    c->frame_flags &= flags_mask;
+
+    p->visible = f->frame_hdr->show_frame;
+    p->showable = f->frame_hdr->showable_frame;
+    if (have_frame_mt) {
+        atomic_init(&p->progress[0], 0);
+        atomic_init(&p->progress[1], 0);
+    }
+    return res;
+}
+
+int dav1d_picture_alloc_copy(Dav1dContext *const c, Dav1dPicture *const dst, const int w,
+                             const Dav1dPicture *const src)
+{
+    struct pic_ctx_context *const pic_ctx = src->ref->user_data;
+    struct plane_ctx_context *const plane_ctx = pic_ctx->plane_ref[0]->user_data;
+    const int res = picture_alloc_with_edges(c, dst, w, src->p.h,
+                                             src->seq_hdr, src->seq_hdr_ref,
+                                             src->frame_hdr, src->frame_hdr_ref,
+                                             src->content_light, src->content_light_ref,
+                                             src->mastering_display, src->mastering_display_ref,
+                                             src->itut_t35, src->itut_t35_ref,
+                                             src->p.bpc, &src->m, &plane_ctx->allocator,
+                                             0, NULL);
+    return res;
+}
+
+void dav1d_picture_ref(Dav1dPicture *const dst, const Dav1dPicture *const src) {
+    validate_input(dst != NULL);
+    validate_input(dst->data[0] == NULL);
+    validate_input(src != NULL);
+
+    if (src->ref) {
+        validate_input(src->data[0] != NULL);
+        dav1d_ref_inc(src->ref);
+    }
+    if (src->frame_hdr_ref) dav1d_ref_inc(src->frame_hdr_ref);
+    if (src->seq_hdr_ref) dav1d_ref_inc(src->seq_hdr_ref);
+    if (src->m.user_data.ref) dav1d_ref_inc(src->m.user_data.ref);
+    if (src->content_light_ref) dav1d_ref_inc(src->content_light_ref);
+    if (src->mastering_display_ref) dav1d_ref_inc(src->mastering_display_ref);
+    if (src->itut_t35_ref) dav1d_ref_inc(src->itut_t35_ref);
+    *dst = *src;
+}
+
+void dav1d_picture_move_ref(Dav1dPicture *const dst, Dav1dPicture *const src) {
+    validate_input(dst != NULL);
+    validate_input(dst->data[0] == NULL);
+    validate_input(src != NULL);
+
+    if (src->ref)
+        validate_input(src->data[0] != NULL);
+
+    *dst = *src;
+    memset(src, 0, sizeof(*src));
+}
+
+void dav1d_thread_picture_ref(Dav1dThreadPicture *const dst,
+                              const Dav1dThreadPicture *const src)
+{
+    dav1d_picture_ref(&dst->p, &src->p);
+    dst->visible = src->visible;
+    dst->showable = src->showable;
+    dst->progress = src->progress;
+    dst->flags = src->flags;
+}
+
+void dav1d_thread_picture_move_ref(Dav1dThreadPicture *const dst,
+                                   Dav1dThreadPicture *const src)
+{
+    dav1d_picture_move_ref(&dst->p, &src->p);
+    dst->visible = src->visible;
+    dst->showable = src->showable;
+    dst->progress = src->progress;
+    dst->flags = src->flags;
+    memset(src, 0, sizeof(*src));
+}
+
+void dav1d_picture_unref_internal(Dav1dPicture *const p) {
+    validate_input(p != NULL);
+
+    if (p->ref) {
+        validate_input(p->data[0] != NULL);
+        dav1d_ref_dec(&p->ref);
+    }
+    dav1d_ref_dec(&p->seq_hdr_ref);
+    dav1d_ref_dec(&p->frame_hdr_ref);
+    dav1d_ref_dec(&p->m.user_data.ref);
+    dav1d_ref_dec(&p->content_light_ref);
+    dav1d_ref_dec(&p->mastering_display_ref);
+    dav1d_ref_dec(&p->itut_t35_ref);
+    memset(p, 0, sizeof(*p));
+    dav1d_data_props_set_defaults(&p->m);
+}
+
+void dav1d_thread_picture_unref(Dav1dThreadPicture *const p) {
+    dav1d_picture_unref_internal(&p->p);
+
+    p->progress = NULL;
+}
+
+enum Dav1dEventFlags dav1d_picture_get_event_flags(const Dav1dThreadPicture *const p) {
+    if (!p->flags)
+        return 0;
+
+    enum Dav1dEventFlags flags = 0;
+    if (p->flags & PICTURE_FLAG_NEW_SEQUENCE)
+       flags |= DAV1D_EVENT_FLAG_NEW_SEQUENCE;
+    if (p->flags & PICTURE_FLAG_NEW_OP_PARAMS_INFO)
+       flags |= DAV1D_EVENT_FLAG_NEW_OP_PARAMS_INFO;
+
+    return flags;
+}