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https://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff/5e61fce832f7

libavcodec/libdav1d.c:137:7: error: no member named 'n_tile_threads' in 'struct Dav1dSettings'
    s.n_tile_threads = dav1d->tile_threads
    ~ ^
libavcodec/libdav1d.c:139:52: error: use of undeclared identifier 'DAV1D_MAX_TILE_THREADS'
                     : FFMIN(floor(sqrt(threads)), DAV1D_MAX_TILE_THREADS);
                                                   ^
libavcodec/libdav1d.c:139:52: error: use of undeclared identifier 'DAV1D_MAX_TILE_THREADS'
libavcodec/libdav1d.c:140:7: error: no member named 'n_frame_threads' in 'struct Dav1dSettings'
    s.n_frame_threads = dav1d->frame_threads
    ~ ^
libavcodec/libdav1d.c:142:48: error: no member named 'n_tile_threads' in 'struct Dav1dSettings'
                      : FFMIN(ceil(threads / s.n_tile_threads), DAV1D_MAX_FRAME_THREADS);
                                             ~ ^
./libavutil/common.h:96:22: note: expanded from macro 'FFMIN'
#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
                     ^
libavcodec/libdav1d.c:142:65: error: use of undeclared identifier 'DAV1D_MAX_FRAME_THREADS'; did you mean 'DAV1D_OBU_FRAME_HDR'?
                      : FFMIN(ceil(threads / s.n_tile_threads), DAV1D_MAX_FRAME_THREADS);
                                                                ^~~~~~~~~~~~~~~~~~~~~~~
                                                                DAV1D_OBU_FRAME_HDR
./libavutil/common.h:96:28: note: expanded from macro 'FFMIN'
#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
                           ^
/usr/local/include/dav1d/headers.h:48:5: note: 'DAV1D_OBU_FRAME_HDR' declared here
    DAV1D_OBU_FRAME_HDR = 3,
    ^
libavcodec/libdav1d.c:142:65: error: use of undeclared identifier 'DAV1D_MAX_FRAME_THREADS'; did you mean 'DAV1D_OBU_FRAME_HDR'?
                      : FFMIN(ceil(threads / s.n_tile_threads), DAV1D_MAX_FRAME_THREADS);
                                                                ^~~~~~~~~~~~~~~~~~~~~~~
                                                                DAV1D_OBU_FRAME_HDR
./libavutil/common.h:96:34: note: expanded from macro 'FFMIN'
#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
                                 ^
/usr/local/include/dav1d/headers.h:48:5: note: 'DAV1D_OBU_FRAME_HDR' declared here
    DAV1D_OBU_FRAME_HDR = 3,
    ^
libavcodec/libdav1d.c:142:48: error: no member named 'n_tile_threads' in 'struct Dav1dSettings'
                      : FFMIN(ceil(threads / s.n_tile_threads), DAV1D_MAX_FRAME_THREADS);
                                             ~ ^
./libavutil/common.h:96:40: note: expanded from macro 'FFMIN'
#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
                                       ^
libavcodec/libdav1d.c:144:14: error: no member named 'n_frame_threads' in 'struct Dav1dSettings'
           s.n_frame_threads, s.n_tile_threads);
           ~ ^
libavcodec/libdav1d.c:144:33: error: no member named 'n_tile_threads' in 'struct Dav1dSettings'
           s.n_frame_threads, s.n_tile_threads);
                              ~ ^
libavcodec/libdav1d.c:378:94: error: use of undeclared identifier 'DAV1D_MAX_TILE_THREADS'
    { "tilethreads", "Tile threads", OFFSET(tile_threads), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, DAV1D_MAX_TILE_THREADS, VD },
                                                                                             ^
libavcodec/libdav1d.c:379:97: error: use of undeclared identifier 'DAV1D_MAX_FRAME_THREADS'; did you mean 'DAV1D_OBU_FRAME_HDR'?
    { "framethreads", "Frame threads", OFFSET(frame_threads), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, DAV1D_MAX_FRAME_THREADS, VD },
                                                                                                ^~~~~~~~~~~~~~~~~~~~~~~
                                                                                                DAV1D_OBU_FRAME_HDR
/usr/local/include/dav1d/headers.h:48:5: note: 'DAV1D_OBU_FRAME_HDR' declared here
    DAV1D_OBU_FRAME_HDR = 3,
    ^

--- external/FFmpeg/libavcodec/libdav1d.c.orig	2020-03-23 14:32:28 UTC
+++ external/FFmpeg/libavcodec/libdav1d.c
@@ -30,6 +30,9 @@
 #include "decode.h"
 #include "internal.h"
 
+#define FF_DAV1D_VERSION_AT_LEAST(x,y) \
+    (DAV1D_API_VERSION_MAJOR > (x) || DAV1D_API_VERSION_MAJOR == (x) && DAV1D_API_VERSION_MINOR >= (y))
+
 typedef struct Libdav1dContext {
     AVClass *class;
     Dav1dContext *c;
@@ -132,6 +135,15 @@ static av_cold int libdav1d_init(AVCodecContext *c)
     s.allocator.release_picture_callback = libdav1d_picture_release;
     s.apply_grain = dav1d->apply_grain;
 
+#if FF_DAV1D_VERSION_AT_LEAST(6,0)
+    if (dav1d->frame_threads || dav1d->tile_threads)
+        s.n_threads = FFMAX(dav1d->frame_threads, dav1d->tile_threads);
+    else
+        s.n_threads = FFMIN(threads, DAV1D_MAX_THREADS);
+    s.max_frame_delay = (c->flags & AV_CODEC_FLAG_LOW_DELAY) ? 1 : s.n_threads;
+    av_log(c, AV_LOG_DEBUG, "Using %d threads, %d max_frame_delay\n",
+           s.n_threads, s.max_frame_delay);
+#else
     s.n_tile_threads = dav1d->tile_threads
                      ? dav1d->tile_threads
                      : FFMIN(floor(sqrt(threads)), DAV1D_MAX_TILE_THREADS);
@@ -140,6 +152,7 @@ static av_cold int libdav1d_init(AVCodecContext *c)
                       : FFMIN(ceil(threads / s.n_tile_threads), DAV1D_MAX_FRAME_THREADS);
     av_log(c, AV_LOG_DEBUG, "Using %d frame threads, %d tile threads\n",
            s.n_frame_threads, s.n_tile_threads);
+#endif
 
     res = dav1d_open(&dav1d->c, &s);
     if (res < 0)
@@ -335,6 +348,13 @@ static av_cold int libdav1d_close(AVCodecContext *c)
 
     return 0;
 }
+
+#ifndef DAV1D_MAX_FRAME_THREADS
+#define DAV1D_MAX_FRAME_THREADS DAV1D_MAX_THREADS
+#endif
+#ifndef DAV1D_MAX_TILE_THREADS
+#define DAV1D_MAX_TILE_THREADS DAV1D_MAX_THREADS
+#endif
 
 #define OFFSET(x) offsetof(Libdav1dContext, x)
 #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM