#include <dav1d/dav1d.h>
#include "libavutil/avassert.h"
+#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "avcodec.h"
typedef struct Libdav1dContext {
AVClass *class;
Dav1dContext *c;
+ AVBufferPool *pool;
+ int pool_size;
Dav1dData data;
int tile_threads;
av_vlog(c, AV_LOG_ERROR, fmt, vl);
}
+static int libdav1d_picture_allocator(Dav1dPicture *p, void *cookie)
+{
+ Libdav1dContext *dav1d = cookie;
+ enum AVPixelFormat format = pix_fmt[p->p.layout][p->seq_hdr->hbd];
+ int ret, linesize[4], h = FFALIGN(p->p.h, 128);
+ uint8_t *aligned_ptr, *data[4];
+ AVBufferRef *buf;
+
+ ret = av_image_fill_arrays(data, linesize, NULL, format, FFALIGN(p->p.w, 128),
+ h, DAV1D_PICTURE_ALIGNMENT);
+ if (ret < 0)
+ return ret;
+
+ if (ret != dav1d->pool_size) {
+ av_buffer_pool_uninit(&dav1d->pool);
+ // Use twice the amount of required padding bytes for aligned_ptr below.
+ dav1d->pool = av_buffer_pool_init(ret + DAV1D_PICTURE_ALIGNMENT * 2, NULL);
+ if (!dav1d->pool)
+ return AVERROR(ENOMEM);
+ dav1d->pool_size = ret;
+ }
+ buf = av_buffer_pool_get(dav1d->pool);
+ if (!buf)
+ return AVERROR(ENOMEM);
+
+ // libdav1d requires DAV1D_PICTURE_ALIGNMENT aligned buffers, which av_malloc()
+ // doesn't guarantee for example when AVX is disabled at configure time.
+ // Use the extra DAV1D_PICTURE_ALIGNMENT padding bytes in the buffer to align it
+ // if required.
+ aligned_ptr = (uint8_t *)FFALIGN((uintptr_t)buf->data, DAV1D_PICTURE_ALIGNMENT);
+ ret = av_image_fill_pointers(data, format, h, aligned_ptr, linesize);
+ if (ret < 0) {
+ av_buffer_unref(&buf);
+ return ret;
+ }
+
+ p->data[0] = data[0];
+ p->data[1] = data[1];
+ p->data[2] = data[2];
+ p->stride[0] = linesize[0];
+ p->stride[1] = linesize[1];
+ p->allocator_data = buf;
+
+ return 0;
+}
+
+static void libdav1d_picture_release(Dav1dPicture *p, void *cookie)
+{
+ AVBufferRef *buf = p->allocator_data;
+
+ av_buffer_unref(&buf);
+}
+
static av_cold int libdav1d_init(AVCodecContext *c)
{
Libdav1dContext *dav1d = c->priv_data;
dav1d_default_settings(&s);
s.logger.cookie = c;
s.logger.callback = libdav1d_log_callback;
+ s.allocator.cookie = dav1d;
+ s.allocator.alloc_picture_callback = libdav1d_picture_allocator;
+ s.allocator.release_picture_callback = libdav1d_picture_release;
s.n_tile_threads = dav1d->tile_threads;
s.apply_grain = dav1d->apply_grain;
s.n_frame_threads = FFMIN(c->thread_count ? c->thread_count : av_cpu_count(), DAV1D_MAX_FRAME_THREADS);
{
Libdav1dContext *dav1d = c->priv_data;
+ av_buffer_pool_uninit(&dav1d->pool);
dav1d_data_unref(&dav1d->data);
dav1d_close(&dav1d->c);