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https://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff/04b89e8ae33b
https://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff/64e2fb3f9d89
https://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff/0463f5d6d56d
https://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff/c5f314309067
https://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff/c33b4048859a
https://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff/a2b090da7932
https://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff/1dddb930aaf0

--- configure.orig	2021-10-24 20:47:11 UTC
+++ configure
@@ -6430,7 +6430,7 @@ enabled libsoxr           && require libsoxr soxr.h so
 enabled libssh            && require_pkg_config libssh libssh libssh/sftp.h sftp_init
 enabled libspeex          && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
 enabled libsrt            && require_pkg_config libsrt "srt >= 1.3.0" srt/srt.h srt_socket
-enabled libsvtav1         && require_pkg_config libsvtav1 "SvtAv1Enc >= 0.8.4" EbSvtAv1Enc.h svt_av1_enc_init_handle
+enabled libsvtav1         && require_pkg_config libsvtav1 "SvtAv1Enc >= 0.9.0" EbSvtAv1Enc.h svt_av1_enc_init_handle
 enabled libtensorflow     && require libtensorflow tensorflow/c/c_api.h TF_Version -ltensorflow
 enabled libtesseract      && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
 enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
--- doc/encoders.texi.orig	2021-10-24 20:47:07 UTC
+++ doc/encoders.texi
@@ -1754,28 +1754,15 @@ Set the operating point level.
 @item tier
 Set the operating point tier.
 
-@item rc
-Set the rate control mode to use.
-
-Possible modes:
-@table @option
-@item cqp
-Constant quantizer: use fixed values of qindex (dependent on the frame type)
-throughout the stream.  This mode is the default.
-
-@item vbr
-Variable bitrate: use a target bitrate for the whole stream.
-
-@item cvbr
-Constrained variable bitrate: use a target bitrate for each GOP.
-@end table
-
 @item qmax
 Set the maximum quantizer to use when using a bitrate mode.
 
 @item qmin
 Set the minimum quantizer to use when using a bitrate mode.
 
+@item crf
+Constant rate factor value used in crf rate control mode (0-63).
+
 @item qp
 Set the quantizer used in cqp rate control mode (0-63).
 
@@ -1786,14 +1773,18 @@ Enable scene change detection.
 Set number of frames to look ahead (0-120).
 
 @item preset
-Set the quality-speed tradeoff, in the range 0 to 8.  Higher values are
-faster but lower quality.  Defaults to 8 (highest speed).
+Set the quality-speed tradeoff, in the range 0 to 13.  Higher values are
+faster but lower quality.
 
 @item tile_rows
 Set log2 of the number of rows of tiles to use (0-6).
 
 @item tile_columns
 Set log2 of the number of columns of tiles to use (0-4).
+
+@item svtav1-params
+Set SVT-AV1 options using a list of @var{key}=@var{value} pairs separated
+by ":". See the SVT-AV1 encoder user guide for a list of accepted parameters.
 
 @end table
 
--- libavcodec/libsvtav1.c.orig	2021-10-24 20:47:07 UTC
+++ libavcodec/libsvtav1.c
@@ -37,6 +37,10 @@
 #include "avcodec.h"
 #include "profiles.h"
 
+#ifndef SVT_AV1_CHECK_VERSION
+#define SVT_AV1_CHECK_VERSION(major, minor, patch) 0
+#endif
+
 typedef enum eos_status {
     EOS_NOT_REACHED = 0,
     EOS_SENT,
@@ -60,10 +64,11 @@ typedef struct SvtContext {
     EOS_STATUS eos_flag;
 
     // User options.
+    AVDictionary *svtav1_opts;
     int hierarchical_level;
     int la_depth;
     int enc_mode;
-    int rc_mode;
+    int crf;
     int scd;
     int qp;
 
@@ -151,7 +156,63 @@ static int config_enc_params(EbSvtAv1EncConfiguration 
 {
     SvtContext *svt_enc = avctx->priv_data;
     const AVPixFmtDescriptor *desc;
+    AVDictionaryEntry *en = NULL;
 
+    // Update param from options
+    param->hierarchical_levels      = svt_enc->hierarchical_level;
+
+    if (svt_enc->enc_mode >= 0)
+        param->enc_mode             = svt_enc->enc_mode;
+
+    param->tier                     = svt_enc->tier;
+
+    if (avctx->bit_rate) {
+        param->target_bit_rate      = avctx->bit_rate;
+        if (avctx->rc_max_rate != avctx->bit_rate)
+            param->rate_control_mode = 1;
+        else
+            param->rate_control_mode = 2;
+    }
+    param->max_bit_rate             = avctx->rc_max_rate;
+    param->vbv_bufsize              = avctx->rc_buffer_size;
+
+    if (svt_enc->crf > 0) {
+        param->qp                   = svt_enc->crf;
+        param->rate_control_mode    = 0;
+        param->enable_tpl_la        = 1;
+    } else if (svt_enc->qp > 0) {
+        param->qp                   = svt_enc->qp;
+        param->rate_control_mode    = 0;
+        param->enable_tpl_la        = 0;
+    }
+    param->scene_change_detection   = svt_enc->scd;
+
+    if (svt_enc->la_depth >= 0)
+        param->look_ahead_distance  = svt_enc->la_depth;
+
+    param->tile_columns = svt_enc->tile_columns;
+    param->tile_rows    = svt_enc->tile_rows;
+
+#if SVT_AV1_CHECK_VERSION(0, 9, 1)
+    while ((en = av_dict_get(svt_enc->svtav1_opts, "", en, AV_DICT_IGNORE_SUFFIX))) {
+        EbErrorType ret = svt_av1_enc_parse_parameter(param, en->key, en->value);
+        if (ret != EB_ErrorNone) {
+            int level = (avctx->err_recognition & AV_EF_EXPLODE) ? AV_LOG_ERROR : AV_LOG_WARNING;
+            av_log(avctx, level, "Error parsing option %s: %s.\n", en->key, en->value);
+            if (avctx->err_recognition & AV_EF_EXPLODE)
+                return AVERROR(EINVAL);
+        }
+    }
+#else
+    if ((en = av_dict_get(svt_enc->svtav1_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
+        int level = (avctx->err_recognition & AV_EF_EXPLODE) ? AV_LOG_ERROR : AV_LOG_WARNING;
+        av_log(avctx, level, "svt-params needs libavcodec to be compiled with SVT-AV1 "
+                             "headers >= 0.9.1.\n");
+        if (avctx->err_recognition & AV_EF_EXPLODE)
+            return AVERROR(ENOSYS);
+    }
+#endif
+
     param->source_width     = avctx->width;
     param->source_height    = avctx->height;
 
@@ -184,16 +245,6 @@ static int config_enc_params(EbSvtAv1EncConfiguration 
         param->profile = FF_PROFILE_AV1_HIGH;
     }
 
-    // Update param from options
-    param->hierarchical_levels      = svt_enc->hierarchical_level;
-    param->enc_mode                 = svt_enc->enc_mode;
-    param->tier                     = svt_enc->tier;
-    param->rate_control_mode        = svt_enc->rc_mode;
-    param->scene_change_detection   = svt_enc->scd;
-    param->qp                       = svt_enc->qp;
-
-    param->target_bit_rate          = avctx->bit_rate;
-
     if (avctx->gop_size > 0)
         param->intra_period_length  = avctx->gop_size - 1;
 
@@ -205,19 +256,15 @@ static int config_enc_params(EbSvtAv1EncConfiguration 
         param->frame_rate_denominator = avctx->time_base.num * avctx->ticks_per_frame;
     }
 
-    if (param->rate_control_mode) {
+    avctx->bit_rate                 = param->target_bit_rate;
+    if (avctx->bit_rate) {
         param->max_qp_allowed       = avctx->qmax;
         param->min_qp_allowed       = avctx->qmin;
     }
 
-    param->intra_refresh_type       = 2; /* Real keyframes only */
+    /* 2 = IDR, closed GOP, 1 = CRA, open GOP */
+    param->intra_refresh_type = avctx->flags & AV_CODEC_FLAG_CLOSED_GOP ? 2 : 1;
 
-    if (svt_enc->la_depth >= 0)
-        param->look_ahead_distance  = svt_enc->la_depth;
-
-    param->tile_columns = svt_enc->tile_columns;
-    param->tile_rows    = svt_enc->tile_rows;
-
     return 0;
 }
 
@@ -480,8 +527,8 @@ static const AVOption options[] = {
     { "la_depth", "Look ahead distance [0, 120]", OFFSET(la_depth),
       AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 120, VE },
 
-    { "preset", "Encoding preset [0, 8]",
-      OFFSET(enc_mode), AV_OPT_TYPE_INT, { .i64 = MAX_ENC_PRESET }, 0, MAX_ENC_PRESET, VE },
+    { "preset", "Encoding preset",
+      OFFSET(enc_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, MAX_ENC_PRESET, VE },
 
     { "tier", "Set operating point tier", OFFSET(tier),
       AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, "tier" },
@@ -518,21 +565,19 @@ static const AVOption options[] = {
         { LEVEL("7.3", 73) },
 #undef LEVEL
 
-    { "rc", "Bit rate control mode", OFFSET(rc_mode),
-      AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 3, VE , "rc"},
-        { "cqp", "Constant quantizer", 0, AV_OPT_TYPE_CONST, { .i64 = 0 },  INT_MIN, INT_MAX, VE, "rc" },
-        { "vbr", "Variable Bit Rate, use a target bitrate for the entire stream", 0, AV_OPT_TYPE_CONST, { .i64 = 1 },  INT_MIN, INT_MAX, VE, "rc" },
-        { "cvbr", "Constrained Variable Bit Rate, use a target bitrate for each GOP", 0, AV_OPT_TYPE_CONST,{ .i64 = 2 },  INT_MIN, INT_MAX, VE, "rc" },
+    { "crf", "Constant Rate Factor value", OFFSET(crf),
+      AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 63, VE },
+    { "qp", "Initial Quantizer level value", OFFSET(qp),
+      AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 63, VE },
 
-    { "qp", "Quantizer to use with cqp rate control mode", OFFSET(qp),
-      AV_OPT_TYPE_INT, { .i64 = 50 }, 0, 63, VE },
-
     { "sc_detection", "Scene change detection", OFFSET(scd),
       AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
 
     { "tile_columns", "Log2 of number of tile columns to use", OFFSET(tile_columns), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 4, VE},
     { "tile_rows", "Log2 of number of tile rows to use", OFFSET(tile_rows), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 6, VE},
 
+    { "svtav1-params", "Set the SVT-AV1 configuration using a :-separated list of key=value parameters", OFFSET(svtav1_opts), AV_OPT_TYPE_DICT, { 0 }, 0, 0, VE },
+
     {NULL},
 };
 
@@ -544,9 +589,10 @@ static const AVClass class = {
 };
 
 static const AVCodecDefault eb_enc_defaults[] = {
-    { "b",         "7M"    },
+    { "b",         "0"    },
+    { "flags",     "+cgop" },
     { "g",         "-1"    },
-    { "qmin",      "0"     },
+    { "qmin",      "1"     },
     { "qmax",      "63"    },
     { NULL },
 };
@@ -561,12 +607,11 @@ AVCodec ff_libsvtav1_encoder = {
     .receive_packet = eb_receive_packet,
     .close          = eb_enc_close,
     .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_OTHER_THREADS,
-    .caps_internal  = FF_CODEC_CAP_AUTO_THREADS,
+    .caps_internal  = FF_CODEC_CAP_AUTO_THREADS | FF_CODEC_CAP_INIT_CLEANUP,
     .pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P,
                                                     AV_PIX_FMT_YUV420P10,
                                                     AV_PIX_FMT_NONE },
     .priv_class     = &class,
     .defaults       = eb_enc_defaults,
-    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
     .wrapper_name   = "libsvtav1",
 };