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Thu, 18 Dec 2025 13:59:21 +0200 (EET) MIME-Version: 1.0 To: ffmpeg-devel@ffmpeg.org Date: Thu, 18 Dec 2025 11:59:21 -0000 Message-ID: <176605916202.60.15695933533894451057@2cb04c0e5124> Message-ID-Hash: PDLG2CZ72SXILNX4DTR452W5WBRLO4YO X-Message-ID-Hash: PDLG2CZ72SXILNX4DTR452W5WBRLO4YO X-MailFrom: code@ffmpeg.org X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-ffmpeg-devel.ffmpeg.org-0; header-match-ffmpeg-devel.ffmpeg.org-1; header-match-ffmpeg-devel.ffmpeg.org-2; header-match-ffmpeg-devel.ffmpeg.org-3; emergency; member-moderation X-Mailman-Version: 3.3.10 Precedence: list Reply-To: FFmpeg development discussions and patches Subject: [FFmpeg-devel] [PATCH] avcodec/libx265: add pass and x265-stats option (PR #21232) List-Id: FFmpeg development discussions and patches Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Werner Robitza via ffmpeg-devel Cc: Werner Robitza Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Archived-At: List-Archive: List-Post: PR #21232 opened by Werner Robitza (slhck) URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21232 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21232.patch Add support for standard -pass and -passlogfile options, matching the behavior of libx264. Add the -x265-stats option to specify the stats filename. Update documentation. >>From 4a40be44b9b252211684b8f2e3ee0b52ed8e5c45 Mon Sep 17 00:00:00 2001 From: Werner Robitza Date: Thu, 18 Dec 2025 12:47:17 +0100 Subject: [PATCH] avcodec/libx265: add pass and x265-stats option Add support for standard -pass and -passlogfile options, matching the behavior of libx264. Add the -x265-stats option to specify the stats filename. Update documentation. Signed-off-by: Werner Robitza --- doc/encoders.texi | 4 ++++ fftools/ffmpeg_mux_init.c | 5 +++++ libavcodec/libx265.c | 20 ++++++++++++++++++++ 3 files changed, 29 insertions(+) diff --git a/doc/encoders.texi b/doc/encoders.texi index e93a3cc275..610ec9a04c 100644 --- a/doc/encoders.texi +++ b/doc/encoders.texi @@ -3083,6 +3083,10 @@ Quantizer curve compression factor Normally, when forcing a I-frame type, the encoder can select any type of I-frame. This option forces it to choose an IDR-frame. +@item x265-stats +Specify the file name for 2-pass stats. This is set automatically when using +the @option{-passlogfile} option. + @item udu_sei @var{boolean} Import user data unregistered SEI if available into output. Default is 0 (off). diff --git a/fftools/ffmpeg_mux_init.c b/fftools/ffmpeg_mux_init.c index 194a87875d..0569f62836 100644 --- a/fftools/ffmpeg_mux_init.c +++ b/fftools/ffmpeg_mux_init.c @@ -730,6 +730,11 @@ static int new_stream_video(Muxer *mux, const OptionsContext *o, AV_OPT_SEARCH_CHILDREN) > 0) av_opt_set(video_enc, "stats", logfilename, AV_OPT_SEARCH_CHILDREN); + } else if (!strcmp(video_enc->codec->name, "libx265")) { + if (av_opt_is_set_to_default_by_name(video_enc, "x265-stats", + AV_OPT_SEARCH_CHILDREN) > 0) + av_opt_set(video_enc, "x265-stats", logfilename, + AV_OPT_SEARCH_CHILDREN); } else { if (video_enc->flags & AV_CODEC_FLAG_PASS2) { char *logbuffer = read_file_to_string(logfilename); diff --git a/libavcodec/libx265.c b/libavcodec/libx265.c index 341868e7cd..89cd7d5dbe 100644 --- a/libavcodec/libx265.c +++ b/libavcodec/libx265.c @@ -71,6 +71,7 @@ typedef struct libx265Context { char *preset; char *tune; char *profile; + char *stats; AVDictionary *x265_opts; void *sei_data; @@ -529,6 +530,24 @@ static av_cold int libx265_encode_init(AVCodecContext *avctx) } } + if (avctx->flags & AV_CODEC_FLAG_PASS1) { + if (ctx->api->param_parse(ctx->params, "pass", "1") == X265_PARAM_BAD_VALUE) { + av_log(avctx, AV_LOG_ERROR, "Invalid value for param \"pass\".\n"); + return AVERROR(EINVAL); + } + } else if (avctx->flags & AV_CODEC_FLAG_PASS2) { + if (ctx->api->param_parse(ctx->params, "pass", "2") == X265_PARAM_BAD_VALUE) { + av_log(avctx, AV_LOG_ERROR, "Invalid value for param \"pass\".\n"); + return AVERROR(EINVAL); + } + } + if (ctx->stats) { + if (ctx->api->param_parse(ctx->params, "stats", ctx->stats) == X265_PARAM_BAD_VALUE) { + av_log(avctx, AV_LOG_ERROR, "Invalid value \"%s\" for param \"stats\".\n", ctx->stats); + return AVERROR(EINVAL); + } + } + if (ctx->params->rc.vbvBufferSize && avctx->rc_initial_buffer_occupancy > 1000 && ctx->params->rc.vbvBufferInit == 0.9) { ctx->params->rc.vbvBufferInit = (float)avctx->rc_initial_buffer_occupancy / 1000; @@ -1009,6 +1028,7 @@ static const AVOption options[] = { { "preset", "set the x265 preset", OFFSET(preset), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE }, { "tune", "set the x265 tune parameter", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE }, { "profile", "set the x265 profile", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE }, + { "x265-stats", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE }, { "udu_sei", "Use user data unregistered SEI if available", OFFSET(udu_sei), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, { "a53cc", "Use A53 Closed Captions (if available)", OFFSET(a53_cc), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, { "x265-params", "set the x265 configuration using a :-separated list of key=value parameters", OFFSET(x265_opts), AV_OPT_TYPE_DICT, { 0 }, 0, 0, VE }, -- 2.49.1 _______________________________________________ ffmpeg-devel mailing list -- ffmpeg-devel@ffmpeg.org To unsubscribe send an email to ffmpeg-devel-leave@ffmpeg.org