diff --git a/tools/chatgui/ffmpeg/patches/.gitattributes b/tools/chatgui/ffmpeg/patches/.gitattributes
new file mode 100644
index 00000000..aa38779d
--- /dev/null
+++ b/tools/chatgui/ffmpeg/patches/.gitattributes
@@ -0,0 +1,2 @@
+# Пустая строка контекста unified diff содержит обязательный пробел.
+*.patch whitespace=-blank-at-eol
diff --git a/tools/chatgui/ffmpeg/patches/ffmpeg-7.1.2-amf-live-qp.patch b/tools/chatgui/ffmpeg/patches/ffmpeg-7.1.2-amf-live-qp.patch
index aefeaab9..c0d6f374 100644
--- a/tools/chatgui/ffmpeg/patches/ffmpeg-7.1.2-amf-live-qp.patch
+++ b/tools/chatgui/ffmpeg/patches/ffmpeg-7.1.2-amf-live-qp.patch
@@ -1,23 +1,50 @@
 --- a/libavcodec/amfenc.h
 +++ b/libavcodec/amfenc.h
-@@ -114,0 +115,2 @@
+@@ -112,6 +112,8 @@
+     int                 aud;
+     int                 max_consecutive_b_frames;
+     int                 max_b_frames;
 +    int                 utun_qp_max;
 +    int                 utun_qp_applied;
+     int                 qvbr_quality_level;
+     int                 hw_high_motion_quality_boost;
+ 
 --- a/libavcodec/amfenc_h264.c
 +++ b/libavcodec/amfenc_h264.c
-@@ -30,0 +31 @@
+@@ -28,6 +28,7 @@
+ #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+ 
+ static const AVOption options[] = {
 +    { "utun_qp_max", "Live QP ceiling", OFFSET(utun_qp_max), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE | AV_OPT_FLAG_RUNTIME_PARAM },
+     // Static
+     /// Usage
+     { "usage",          "Encoder Usage",        OFFSET(usage),  AV_OPT_TYPE_INT,   { .i64 = -1 }, -1, AMF_VIDEO_ENCODER_USAGE_LOW_LATENCY_HIGH_QUALITY, VE, .unit = "usage" },
 --- a/libavcodec/amfenc_hevc.c
 +++ b/libavcodec/amfenc_hevc.c
-@@ -29,0 +30 @@
+@@ -27,6 +27,7 @@
+ #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+ 
+ static const AVOption options[] = {
 +    { "utun_qp_max", "Live QP ceiling", OFFSET(utun_qp_max), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE | AV_OPT_FLAG_RUNTIME_PARAM },
+     { "usage",                   "Set the encoding usage",                   OFFSET(usage),                          AV_OPT_TYPE_INT,   {.i64 = -1 }, -1, AMF_VIDEO_ENCODER_HEVC_USAGE_LOW_LATENCY_HIGH_QUALITY, VE, .unit = "usage" },
+     { "transcoding",             "Generic Transcoding",                      0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_HEVC_USAGE_TRANSCODING               }, 0, 0, VE, .unit = "usage" },
+     { "ultralowlatency",         "Ultra low latency usecase",                0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_HEVC_USAGE_ULTRA_LOW_LATENCY         }, 0, 0, VE, .unit = "usage" },
 --- a/libavcodec/amfenc.c
 +++ b/libavcodec/amfenc.c
-@@ -276,0 +277,3 @@
+@@ -274,6 +274,9 @@
+     av_unused int ret;
+ 
+     ctx->hwsurfaces_in_queue = 0;
 +    ctx->utun_qp_applied = -1;
 +    if (avctx->codec_id != AV_CODEC_ID_H264 && avctx->codec_id != AV_CODEC_ID_HEVC)
 +        ctx->utun_qp_max = -1;
-@@ -682,0 +686,22 @@
+     ctx->hwsurfaces_in_queue_max = 16;
+ 
+     // configure AMF logger
+@@ -680,6 +683,28 @@
+         }
+     } else if (!ctx->delayed_surface) { // submit frame
+         int hw_surface = 0;
 +
 +        if (ctx->utun_qp_max >= 0 && ctx->utun_qp_max != ctx->utun_qp_applied) {
 +            const wchar_t *max_i, *max_p;
@@ -40,3 +67,6 @@
 +            ctx->utun_qp_applied = ctx->utun_qp_max;
 +            av_log(avctx, AV_LOG_INFO, "Live QP ceiling applied qp=%d\n", ctx->utun_qp_max);
 +        }
+ 
+         // prepare surface from frame
+         switch (frame->format) {