5 files changed, 249 insertions, 40 deletions

diff --git a/src/encoder/video/cuda.c b/src/encoder/video/nvenc.c
index f3cc9a4..718560d 100644
--- a/src/encoder/video/cuda.c
+++ b/src/encoder/video/nvenc.c
@@ -1,4 +1,4 @@
-#include "../../../include/encoder/video/cuda.h"
+#include "../../../include/encoder/video/nvenc.h"
 #include "../../../include/egl.h"
 #include "../../../include/cuda.h"
 
@@ -8,7 +8,7 @@
 #include <stdlib.h>
 
 typedef struct {
-    gsr_video_encoder_cuda_params params;
+    gsr_video_encoder_nvenc_params params;
 
     unsigned int target_textures[2];
 
@@ -18,12 +18,12 @@ typedef struct {
     CUgraphicsResource cuda_graphics_resources[2];
     CUarray mapped_arrays[2];
     CUstream cuda_stream;
-} gsr_video_encoder_cuda;
+} gsr_video_encoder_nvenc;
 
-static bool gsr_video_encoder_cuda_setup_context(gsr_video_encoder_cuda *self, AVCodecContext *video_codec_context) {
+static bool gsr_video_encoder_nvenc_setup_context(gsr_video_encoder_nvenc *self, AVCodecContext *video_codec_context) {
     self->device_ctx = av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_CUDA);
     if(!self->device_ctx) {
-        fprintf(stderr, "gsr error: gsr_video_encoder_cuda_setup_context failed: failed to create hardware device context\n");
+        fprintf(stderr, "gsr error: gsr_video_encoder_nvenc_setup_context failed: failed to create hardware device context\n");
         return false;
     }
 
@@ -31,14 +31,14 @@ static bool gsr_video_encoder_cuda_setup_context(gsr_video_encoder_cuda *self, A
     AVCUDADeviceContext *cuda_device_context = (AVCUDADeviceContext*)hw_device_context->hwctx;
     cuda_device_context->cuda_ctx = self->cuda.cu_ctx;
     if(av_hwdevice_ctx_init(self->device_ctx) < 0) {
-        fprintf(stderr, "gsr error: gsr_video_encoder_cuda_setup_context failed: failed to create hardware device context\n");
+        fprintf(stderr, "gsr error: gsr_video_encoder_nvenc_setup_context failed: failed to create hardware device context\n");
         av_buffer_unref(&self->device_ctx);
         return false;
     }
 
     AVBufferRef *frame_context = av_hwframe_ctx_alloc(self->device_ctx);
     if(!frame_context) {
-        fprintf(stderr, "gsr error: gsr_video_encoder_cuda_setup_context failed: failed to create hwframe context\n");
+        fprintf(stderr, "gsr error: gsr_video_encoder_nvenc_setup_context failed: failed to create hwframe context\n");
         av_buffer_unref(&self->device_ctx);
         return false;
     }
@@ -51,7 +51,7 @@ static bool gsr_video_encoder_cuda_setup_context(gsr_video_encoder_cuda *self, A
     hw_frame_context->device_ctx = (AVHWDeviceContext*)self->device_ctx->data;
 
     if (av_hwframe_ctx_init(frame_context) < 0) {
-        fprintf(stderr, "gsr error: gsr_video_encoder_cuda_setup_context failed: failed to initialize hardware frame context "
+        fprintf(stderr, "gsr error: gsr_video_encoder_nvenc_setup_context failed: failed to initialize hardware frame context "
                         "(note: ffmpeg version needs to be > 4.0)\n");
         av_buffer_unref(&self->device_ctx);
         //av_buffer_unref(&frame_context);
@@ -96,10 +96,10 @@ static bool cuda_register_opengl_texture(gsr_cuda *cuda, CUgraphicsResource *cud
     return true;
 }
 
-static bool gsr_video_encoder_cuda_setup_textures(gsr_video_encoder_cuda *self, AVCodecContext *video_codec_context, AVFrame *frame) {
+static bool gsr_video_encoder_nvenc_setup_textures(gsr_video_encoder_nvenc *self, AVCodecContext *video_codec_context, AVFrame *frame) {
     const int res = av_hwframe_get_buffer(video_codec_context->hw_frames_ctx, frame, 0);
     if(res < 0) {
-        fprintf(stderr, "gsr error: gsr_video_encoder_cuda_setup_textures: av_hwframe_get_buffer failed: %d\n", res);
+        fprintf(stderr, "gsr error: gsr_video_encoder_nvenc_setup_textures: av_hwframe_get_buffer failed: %d\n", res);
         return false;
     }
 
@@ -111,7 +111,7 @@ static bool gsr_video_encoder_cuda_setup_textures(gsr_video_encoder_cuda *self,
     for(int i = 0; i < 2; ++i) {
         self->target_textures[i] = gl_create_texture(self->params.egl, video_codec_context->width / div[i], video_codec_context->height / div[i], self->params.color_depth == GSR_COLOR_DEPTH_8_BITS ? internal_formats_nv12[i] : internal_formats_p010[i], formats[i]);
         if(self->target_textures[i] == 0) {
-            fprintf(stderr, "gsr error: gsr_video_encoder_cuda_setup_textures: failed to create opengl texture\n");
+            fprintf(stderr, "gsr error: gsr_video_encoder_nvenc_setup_textures: failed to create opengl texture\n");
             return false;
         }
 
@@ -123,32 +123,32 @@ static bool gsr_video_encoder_cuda_setup_textures(gsr_video_encoder_cuda *self,
     return true;
 }
 
-static void gsr_video_encoder_cuda_stop(gsr_video_encoder_cuda *self, AVCodecContext *video_codec_context);
+static void gsr_video_encoder_nvenc_stop(gsr_video_encoder_nvenc *self, AVCodecContext *video_codec_context);
 
-static bool gsr_video_encoder_cuda_start(gsr_video_encoder *encoder, AVCodecContext *video_codec_context, AVFrame *frame) {
-    gsr_video_encoder_cuda *self = encoder->priv;
+static bool gsr_video_encoder_nvenc_start(gsr_video_encoder *encoder, AVCodecContext *video_codec_context, AVFrame *frame) {
+    gsr_video_encoder_nvenc *self = encoder->priv;
 
     const bool overclock = gsr_egl_get_display_server(self->params.egl) == GSR_DISPLAY_SERVER_X11 ? self->params.overclock : false;
     if(!gsr_cuda_load(&self->cuda, self->params.egl->x11.dpy, overclock)) {
-        fprintf(stderr, "gsr error: gsr_video_encoder_cuda_start: failed to load cuda\n");
-        gsr_video_encoder_cuda_stop(self, video_codec_context);
+        fprintf(stderr, "gsr error: gsr_video_encoder_nvenc_start: failed to load cuda\n");
+        gsr_video_encoder_nvenc_stop(self, video_codec_context);
         return false;
     }
 
-    if(!gsr_video_encoder_cuda_setup_context(self, video_codec_context)) {
-        gsr_video_encoder_cuda_stop(self, video_codec_context);
+    if(!gsr_video_encoder_nvenc_setup_context(self, video_codec_context)) {
+        gsr_video_encoder_nvenc_stop(self, video_codec_context);
         return false;
     }
 
-    if(!gsr_video_encoder_cuda_setup_textures(self, video_codec_context, frame)) {
-        gsr_video_encoder_cuda_stop(self, video_codec_context);
+    if(!gsr_video_encoder_nvenc_setup_textures(self, video_codec_context, frame)) {
+        gsr_video_encoder_nvenc_stop(self, video_codec_context);
         return false;
     }
 
     return true;
 }
 
-void gsr_video_encoder_cuda_stop(gsr_video_encoder_cuda *self, AVCodecContext *video_codec_context) {
+void gsr_video_encoder_nvenc_stop(gsr_video_encoder_nvenc *self, AVCodecContext *video_codec_context) {
     self->params.egl->glDeleteTextures(2, self->target_textures);
     self->target_textures[0] = 0;
     self->target_textures[1] = 0;
@@ -171,8 +171,8 @@ void gsr_video_encoder_cuda_stop(gsr_video_encoder_cuda *self, AVCodecContext *v
     gsr_cuda_unload(&self->cuda);
 }
 
-static void gsr_video_encoder_cuda_copy_textures_to_frame(gsr_video_encoder *encoder, AVFrame *frame) {
-    gsr_video_encoder_cuda *self = encoder->priv;
+static void gsr_video_encoder_nvenc_copy_textures_to_frame(gsr_video_encoder *encoder, AVFrame *frame, gsr_color_conversion *color_conversion) {
+    gsr_video_encoder_nvenc *self = encoder->priv;
     const int div[2] = {1, 2}; // divide UV texture size by 2 because chroma is half size
     for(int i = 0; i < 2; ++i) {
         CUDA_MEMCPY2D memcpy_struct;
@@ -198,26 +198,26 @@ static void gsr_video_encoder_cuda_copy_textures_to_frame(gsr_video_encoder *enc
     self->cuda.cuStreamSynchronize(self->cuda_stream);
 }
 
-static void gsr_video_encoder_cuda_get_textures(gsr_video_encoder *encoder, unsigned int *textures, int *num_textures, gsr_destination_color *destination_color) {
-    gsr_video_encoder_cuda *self = encoder->priv;
+static void gsr_video_encoder_nvenc_get_textures(gsr_video_encoder *encoder, unsigned int *textures, int *num_textures, gsr_destination_color *destination_color) {
+    gsr_video_encoder_nvenc *self = encoder->priv;
     textures[0] = self->target_textures[0];
     textures[1] = self->target_textures[1];
     *num_textures = 2;
     *destination_color = self->params.color_depth == GSR_COLOR_DEPTH_10_BITS ? GSR_DESTINATION_COLOR_P010 : GSR_DESTINATION_COLOR_NV12;
 }
 
-static void gsr_video_encoder_cuda_destroy(gsr_video_encoder *encoder, AVCodecContext *video_codec_context) {
-    gsr_video_encoder_cuda_stop(encoder->priv, video_codec_context);
+static void gsr_video_encoder_nvenc_destroy(gsr_video_encoder *encoder, AVCodecContext *video_codec_context) {
+    gsr_video_encoder_nvenc_stop(encoder->priv, video_codec_context);
     free(encoder->priv);
     free(encoder);
 }
 
-gsr_video_encoder* gsr_video_encoder_cuda_create(const gsr_video_encoder_cuda_params *params) {
+gsr_video_encoder* gsr_video_encoder_nvenc_create(const gsr_video_encoder_nvenc_params *params) {
     gsr_video_encoder *encoder = calloc(1, sizeof(gsr_video_encoder));
     if(!encoder)
         return NULL;
 
-    gsr_video_encoder_cuda *encoder_cuda = calloc(1, sizeof(gsr_video_encoder_cuda));
+    gsr_video_encoder_nvenc *encoder_cuda = calloc(1, sizeof(gsr_video_encoder_nvenc));
     if(!encoder_cuda) {
         free(encoder);
         return NULL;
@@ -226,10 +226,10 @@ gsr_video_encoder* gsr_video_encoder_cuda_create(const gsr_video_encoder_cuda_pa
     encoder_cuda->params = *params;
 
     *encoder = (gsr_video_encoder) {
-        .start = gsr_video_encoder_cuda_start,
-        .copy_textures_to_frame = gsr_video_encoder_cuda_copy_textures_to_frame,
-        .get_textures = gsr_video_encoder_cuda_get_textures,
-        .destroy = gsr_video_encoder_cuda_destroy,
+        .start = gsr_video_encoder_nvenc_start,
+        .copy_textures_to_frame = gsr_video_encoder_nvenc_copy_textures_to_frame,
+        .get_textures = gsr_video_encoder_nvenc_get_textures,
+        .destroy = gsr_video_encoder_nvenc_destroy,
         .priv = encoder_cuda
     };
 
diff --git a/src/encoder/video/software.c b/src/encoder/video/software.c
index cedcc1b..be227f2 100644
--- a/src/encoder/video/software.c
+++ b/src/encoder/video/software.c
@@ -84,7 +84,7 @@ void gsr_video_encoder_software_stop(gsr_video_encoder_software *self, AVCodecCo
     self->target_textures[1] = 0;
 }
 
-static void gsr_video_encoder_software_copy_textures_to_frame(gsr_video_encoder *encoder, AVFrame *frame) {
+static void gsr_video_encoder_software_copy_textures_to_frame(gsr_video_encoder *encoder, AVFrame *frame, gsr_color_conversion *color_conversion) {
     gsr_video_encoder_software *self = encoder->priv;
     // TODO: hdr support
     const unsigned int formats[2] = { GL_RED, GL_RG };
diff --git a/src/encoder/video/vaapi.c b/src/encoder/video/vaapi.c
index b5ccce9..d558785 100644
--- a/src/encoder/video/vaapi.c
+++ b/src/encoder/video/vaapi.c
@@ -4,6 +4,7 @@
 
 #include <libavcodec/avcodec.h>
 #include <libavutil/hwcontext_vaapi.h>
+#include <libavutil/intreadwrite.h>
 
 #include <va/va_drmcommon.h>
 
@@ -168,8 +169,28 @@ static bool gsr_video_encoder_vaapi_start(gsr_video_encoder *encoder, AVCodecCon
         }
     }
 
-    if(video_codec_context->width != frame->width || video_codec_context->height != frame->height) {
+    const int crop_top = (video_codec_context->height - frame->height) / 2;
+    const int crop_left = (video_codec_context->width - frame->width) / 2;
+    if(crop_top != 0 || crop_left != 0) {
         fprintf(stderr, "gsr warning: gsr_video_encoder_vaapi_start: black bars have been added to the video because of a bug in AMD drivers/hardware. Record with h264 codec instead (-k h264) to get around this issue\n");
+#if 0
+        #if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(61, 10, 100)
+        const int crop_bottom = crop_top;
+        const int crop_right = crop_left;
+        fprintf(stderr, "gsr info: cropping metadata has been added to the file to try and workaround this issue. Video players that support this will remove the black bars when the video is playing\n");
+        const int frame_cropping_data_size = 4 * sizeof(uint32_t);
+        uint8_t *frame_cropping = av_malloc(frame_cropping_data_size);
+        if(frame_cropping) {
+            AV_WL32(frame_cropping + 0, crop_top);
+            AV_WL32(frame_cropping + 4, crop_bottom);
+            AV_WL32(frame_cropping + 8, crop_left);
+            AV_WL32(frame_cropping + 12, crop_right);
+            const bool sidedata_added = av_packet_side_data_add(&video_stream->codecpar->coded_side_data, &video_stream->codecpar->nb_coded_side_data, AV_PKT_DATA_FRAME_CROPPING, frame_cropping, frame_cropping_data_size, 0) != NULL;
+            if(!sidedata_added)
+                av_free(frame_cropping);
+        }
+        #endif
+#endif
     }
 
     frame->width = video_codec_context->width;
@@ -235,7 +256,6 @@ gsr_video_encoder* gsr_video_encoder_vaapi_create(const gsr_video_encoder_vaapi_
 
     *encoder = (gsr_video_encoder) {
         .start = gsr_video_encoder_vaapi_start,
-        .copy_textures_to_frame = NULL,
         .get_textures = gsr_video_encoder_vaapi_get_textures,
         .destroy = gsr_video_encoder_vaapi_destroy,
         .priv = encoder_vaapi
diff --git a/src/encoder/video/video.c b/src/encoder/video/video.c
index 9b0def0..76d53b0 100644
--- a/src/encoder/video/video.c
+++ b/src/encoder/video/video.c
@@ -9,10 +9,10 @@ bool gsr_video_encoder_start(gsr_video_encoder *encoder, AVCodecContext *video_c
     return res;
 }
 
-void gsr_video_encoder_copy_textures_to_frame(gsr_video_encoder *encoder, AVFrame *frame) {
+void gsr_video_encoder_copy_textures_to_frame(gsr_video_encoder *encoder, AVFrame *frame, gsr_color_conversion *color_conversion) {
     assert(encoder->started);
     if(encoder->copy_textures_to_frame)
-        encoder->copy_textures_to_frame(encoder, frame);
+        encoder->copy_textures_to_frame(encoder, frame, color_conversion);
 }
 
 void gsr_video_encoder_get_textures(gsr_video_encoder *encoder, unsigned int *textures, int *num_textures, gsr_destination_color *destination_color) {
diff --git a/src/encoder/video/vulkan.c b/src/encoder/video/vulkan.c
index 4b0f1ea..0b6c380 100644
--- a/src/encoder/video/vulkan.c
+++ b/src/encoder/video/vulkan.c
@@ -3,17 +3,40 @@
 #include "../../../include/egl.h"
 
 #include <libavcodec/avcodec.h>
+#define VK_NO_PROTOTYPES
 #include <libavutil/hwcontext_vulkan.h>
 
+//#include <vulkan/vulkan_core.h>
+
+#define GL_TEXTURE_TILING_EXT             0x9580
+#define GL_OPTIMAL_TILING_EXT             0x9584
+#define GL_LINEAR_TILING_EXT              0x9585
+
+#define GL_PIXEL_PACK_BUFFER              0x88EB
+#define GL_PIXEL_UNPACK_BUFFER            0x88EC
+#define GL_STREAM_READ                    0x88E1
+#define GL_STREAM_DRAW                    0x88E0
+#define GL_READ_ONLY                      0x88B8
+#define GL_WRITE_ONLY                     0x88B9
+#define GL_READ_FRAMEBUFFER               0x8CA8
+
 typedef struct {
     gsr_video_encoder_vulkan_params params;
     unsigned int target_textures[2];
     AVBufferRef *device_ctx;
+    AVVulkanDeviceContext* vv;
+    unsigned int pbo_y[2];
+    unsigned int pbo_uv[2];
+    AVFrame *sw_frame;
 } gsr_video_encoder_vulkan;
 
 static bool gsr_video_encoder_vulkan_setup_context(gsr_video_encoder_vulkan *self, AVCodecContext *video_codec_context) {
+    AVDictionary *options = NULL;
+    //av_dict_set(&options, "linear_images", "1", 0);
+    //av_dict_set(&options, "disable_multiplane", "1", 0);
+
     // TODO: Use correct device
-    if(av_hwdevice_ctx_create(&self->device_ctx, AV_HWDEVICE_TYPE_VULKAN, NULL, NULL, 0) < 0) {
+    if(av_hwdevice_ctx_create(&self->device_ctx, AV_HWDEVICE_TYPE_VULKAN, NULL, options, 0) < 0) {
         fprintf(stderr, "gsr error: gsr_video_encoder_vulkan_setup_context: failed to create hardware device context\n");
         return false;
     }
@@ -32,6 +55,7 @@ static bool gsr_video_encoder_vulkan_setup_context(gsr_video_encoder_vulkan *sel
     hw_frame_context->format = video_codec_context->pix_fmt;
     hw_frame_context->device_ctx = (AVHWDeviceContext*)self->device_ctx->data;
 
+    //AVVulkanFramesContext *vk_frame_ctx = (AVVulkanFramesContext*)hw_frame_context->hwctx;
     //hw_frame_context->initial_pool_size = 20;
 
     if (av_hwframe_ctx_init(frame_context) < 0) {
@@ -47,12 +71,92 @@ static bool gsr_video_encoder_vulkan_setup_context(gsr_video_encoder_vulkan *sel
     return true;
 }
 
+static unsigned int gl_create_texture(gsr_egl *egl, int width, int height, int internal_format, unsigned int format) {
+    unsigned int texture_id = 0;
+    egl->glGenTextures(1, &texture_id);
+    egl->glBindTexture(GL_TEXTURE_2D, texture_id);
+    //egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_TILING_EXT, GL_OPTIMAL_TILING_EXT);
+    egl->glTexImage2D(GL_TEXTURE_2D, 0, internal_format, width, height, 0, format, GL_UNSIGNED_BYTE, NULL);
+
+    egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+    egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+    egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+    egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+
+    egl->glBindTexture(GL_TEXTURE_2D, 0);
+    return texture_id;
+}
+
+static AVVulkanDeviceContext* video_codec_context_get_vulkan_data(AVCodecContext *video_codec_context) {
+    AVBufferRef *hw_frames_ctx = video_codec_context->hw_frames_ctx;
+    if(!hw_frames_ctx)
+        return NULL;
+
+    AVHWFramesContext *hw_frame_context = (AVHWFramesContext*)hw_frames_ctx->data;
+    AVHWDeviceContext *device_context = (AVHWDeviceContext*)hw_frame_context->device_ctx;
+    if(device_context->type != AV_HWDEVICE_TYPE_VULKAN)
+        return NULL;
+
+    return (AVVulkanDeviceContext*)device_context->hwctx;
+}
+
 static bool gsr_video_encoder_vulkan_setup_textures(gsr_video_encoder_vulkan *self, AVCodecContext *video_codec_context, AVFrame *frame) {
     const int res = av_hwframe_get_buffer(video_codec_context->hw_frames_ctx, frame, 0);
     if(res < 0) {
         fprintf(stderr, "gsr error: gsr_video_encoder_vulkan_setup_textures: av_hwframe_get_buffer failed: %d\n", res);
         return false;
     }
+
+    //AVVkFrame *target_surface_id = (AVVkFrame*)frame->data[0];
+    self->vv = video_codec_context_get_vulkan_data(video_codec_context);
+
+    const unsigned int internal_formats_nv12[2] = { GL_RGBA8, GL_RGBA8 };
+    const unsigned int internal_formats_p010[2] = { GL_R16, GL_RG16 };
+    const unsigned int formats[2] = { GL_RED, GL_RG };
+    const int div[2] = {1, 2}; // divide UV texture size by 2 because chroma is half size
+
+    for(int i = 0; i < 2; ++i) {
+        self->target_textures[i] = gl_create_texture(self->params.egl, video_codec_context->width / div[i], video_codec_context->height / div[i], self->params.color_depth == GSR_COLOR_DEPTH_8_BITS ? internal_formats_nv12[i] : internal_formats_p010[i], formats[i]);
+        if(self->target_textures[i] == 0) {
+            fprintf(stderr, "gsr error: gsr_video_encoder_cuda_setup_textures: failed to create opengl texture\n");
+            return false;
+        }
+    }
+
+    self->params.egl->glGenBuffers(2, self->pbo_y);
+
+    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_y[0]);
+    self->params.egl->glBufferData(GL_PIXEL_PACK_BUFFER, frame->width * frame->height, 0, GL_STREAM_READ);
+
+    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_y[1]);
+    self->params.egl->glBufferData(GL_PIXEL_PACK_BUFFER, frame->width * frame->height, 0, GL_STREAM_READ);
+
+    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
+
+    self->params.egl->glGenBuffers(2, self->pbo_uv);
+
+    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_uv[0]);
+    self->params.egl->glBufferData(GL_PIXEL_PACK_BUFFER, (frame->width/2 * frame->height/2) * 2, 0, GL_STREAM_READ);
+
+    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_uv[1]);
+    self->params.egl->glBufferData(GL_PIXEL_PACK_BUFFER, (frame->width/2 * frame->height/2) * 2, 0, GL_STREAM_READ);
+
+    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
+
+    self->sw_frame = av_frame_alloc();
+    self->sw_frame->format = AV_PIX_FMT_NV12;
+    self->sw_frame->width = frame->width;
+    self->sw_frame->height = frame->height;
+
+    // TODO: Remove
+    if(av_frame_get_buffer(self->sw_frame, 0) < 0) {
+        fprintf(stderr, "failed to allocate sw frame\n");
+    }
+
+    // TODO: Remove
+    if(av_frame_make_writable(self->sw_frame) < 0) {
+        fprintf(stderr, "failed to make writable\n");
+    }
     return true;
 }
 
@@ -85,6 +189,91 @@ void gsr_video_encoder_vulkan_stop(gsr_video_encoder_vulkan *self, AVCodecContex
         av_buffer_unref(&self->device_ctx);
 }
 
+static void nop_free(void *opaque, uint8_t *data) {
+
+}
+
+static void gsr_video_encoder_vulkan_copy_textures_to_frame(gsr_video_encoder *encoder, AVFrame *frame, gsr_color_conversion *color_conversion) {
+    gsr_video_encoder_vulkan *self = encoder->priv;
+
+    static int counter = 0;
+    ++counter;
+
+    // AVBufferRef *av_buffer_create(uint8_t *data, size_t size,
+    //                           void (*free)(void *opaque, uint8_t *data),
+    //                           void *opaque, int flags);
+
+    while(self->params.egl->glGetError()){}
+    self->params.egl->glBindFramebuffer(GL_READ_FRAMEBUFFER, color_conversion->framebuffers[0]);
+    //fprintf(stderr, "1 gl err: %d\n", self->params.egl->glGetError());
+    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_y[counter % 2]);
+    self->params.egl->glBufferData(GL_PIXEL_PACK_BUFFER, frame->width * frame->height, 0, GL_STREAM_READ);
+    self->params.egl->glReadPixels(0, 0, frame->width, frame->height, GL_RED, GL_UNSIGNED_BYTE, 0);
+    //fprintf(stderr, "2 gl err: %d\n", self->params.egl->glGetError());
+
+    const int next_pbo_y = (counter + 1) % 2;
+    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_y[next_pbo_y]);
+    self->params.egl->glBufferData(GL_PIXEL_PACK_BUFFER, frame->width * frame->height, 0, GL_STREAM_READ);
+    //fprintf(stderr, "3 gl err: %d\n", self->params.egl->glGetError());
+    uint8_t *ptr_y = (uint8_t*)self->params.egl->glMapBuffer(GL_PIXEL_PACK_BUFFER, GL_READ_ONLY);
+    //fprintf(stderr, "4 gl err: %d\n", self->params.egl->glGetError());
+    if(!ptr_y) {
+        fprintf(stderr, "failed to map buffer y!\n");
+    }
+
+    while(self->params.egl->glGetError()){}
+    self->params.egl->glBindFramebuffer(GL_READ_FRAMEBUFFER, color_conversion->framebuffers[1]);
+    //fprintf(stderr, "5 gl err: %d\n", self->params.egl->glGetError());
+    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_uv[counter % 2]);
+    self->params.egl->glBufferData(GL_PIXEL_PACK_BUFFER, (frame->width/2 * frame->height/2) * 2, 0, GL_STREAM_READ);
+    //fprintf(stderr, "5.5 gl err: %d\n", self->params.egl->glGetError());
+    self->params.egl->glReadPixels(0, 0, frame->width/2, frame->height/2, GL_RG, GL_UNSIGNED_BYTE, 0);
+    //fprintf(stderr, "6 gl err: %d\n", self->params.egl->glGetError());
+
+    const int next_pbo_uv = (counter + 1) % 2;
+    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_uv[next_pbo_uv]);
+    self->params.egl->glBufferData(GL_PIXEL_PACK_BUFFER, (frame->width/2 * frame->height/2) * 2, 0, GL_STREAM_READ);
+    //fprintf(stderr, "7 gl err: %d\n", self->params.egl->glGetError());
+    uint8_t *ptr_uv = (uint8_t*)self->params.egl->glMapBuffer(GL_PIXEL_PACK_BUFFER, GL_READ_ONLY);
+    //fprintf(stderr, "8 gl err: %d\n", self->params.egl->glGetError());
+    if(!ptr_uv) {
+        fprintf(stderr, "failed to map buffer uv!\n");
+    }
+
+    //self->sw_frame->buf[0] = av_buffer_create(ptr_y, 3840 * 2160, nop_free, NULL, 0);
+    //self->sw_frame->buf[1] = av_buffer_create(ptr_uv, 1920 * 1080 * 2, nop_free, NULL, 0);
+    //self->sw_frame->data[0] = self->sw_frame->buf[0]->data;
+    //self->sw_frame->data[1] = self->sw_frame->buf[1]->data;
+    //self->sw_frame->extended_data[0] = self->sw_frame->data[0];
+    //self->sw_frame->extended_data[1] = self->sw_frame->data[1];
+
+    self->sw_frame->data[0] = ptr_y;
+    self->sw_frame->data[1] = ptr_uv;
+
+    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
+    self->params.egl->glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
+
+    //self->params.egl->glBindTexture(GL_TEXTURE_2D, self->target_textures[1]);
+    //self->params.egl->glGetTexImage(GL_TEXTURE_2D, 0, GL_RG, GL_UNSIGNED_BYTE, sw_frame->data[1]);
+
+    //self->params.egl->glBindTexture(GL_TEXTURE_2D, 0);
+
+    int ret = av_hwframe_transfer_data(frame, self->sw_frame, 0);
+    if(ret < 0) {
+        fprintf(stderr, "transfer data failed, error: %s\n", av_err2str(ret));
+    }
+
+    //av_buffer_unref(&self->sw_frame->buf[0]);
+    //av_buffer_unref(&self->sw_frame->buf[1]);
+
+    //av_frame_free(&sw_frame);
+    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_y[next_pbo_y]);
+    self->params.egl->glUnmapBuffer(GL_PIXEL_PACK_BUFFER);
+    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, self->pbo_y[next_pbo_uv]);
+    self->params.egl->glUnmapBuffer(GL_PIXEL_PACK_BUFFER);
+    self->params.egl->glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
+}
+
 static void gsr_video_encoder_vulkan_get_textures(gsr_video_encoder *encoder, unsigned int *textures, int *num_textures, gsr_destination_color *destination_color) {
     gsr_video_encoder_vulkan *self = encoder->priv;
     textures[0] = self->target_textures[0];
@@ -114,7 +303,7 @@ gsr_video_encoder* gsr_video_encoder_vulkan_create(const gsr_video_encoder_vulka
 
     *encoder = (gsr_video_encoder) {
         .start = gsr_video_encoder_vulkan_start,
-        .copy_textures_to_frame = NULL,
+        .copy_textures_to_frame = gsr_video_encoder_vulkan_copy_textures_to_frame,
         .get_textures = gsr_video_encoder_vulkan_get_textures,
         .destroy = gsr_video_encoder_vulkan_destroy,
         .priv = encoder_vulkan