Fix vram leak for reals

src/capture/capture.c

@@ -42,6 +42,18 @@ int gsr_capture_capture(gsr_capture *cap, AVFrame *frame) {
     return cap->capture(cap, frame);
 }
 
+void gsr_capture_end(gsr_capture *cap, AVFrame *frame) {
+    if(!cap->started) {
+        fprintf(stderr, "gsr error: gsr_capture_end failed: the gsr capture has not been started\n");
+        return;
+    }
+
+    if(!cap->capture_end)
+        return;
+
+    cap->capture_end(cap, frame);
+}
+
 void gsr_capture_destroy(gsr_capture *cap, AVCodecContext *video_codec_context) {
     cap->destroy(cap, video_codec_context);
 }

src/capture/kms_cuda.c

@@ -424,6 +424,13 @@ static int gsr_capture_kms_cuda_capture(gsr_capture *cap, AVFrame *frame) {
 
     gsr_capture_kms_unload_cuda_graphics(cap_kms);
 
+    return 0;
+}
+
+static void gsr_capture_kms_cuda_capture_end(gsr_capture *cap, AVFrame *frame) {
+    (void)frame;
+    gsr_capture_kms_cuda *cap_kms = cap->priv;
+
     gsr_egl_cleanup_frame(cap_kms->params.egl);
 
     for(int i = 0; i < cap_kms->kms_response.num_fds; ++i) {
@@ -432,8 +439,6 @@ static int gsr_capture_kms_cuda_capture(gsr_capture *cap, AVFrame *frame) {
         cap_kms->kms_response.fds[i].fd = 0;
     }
     cap_kms->kms_response.num_fds = 0;
-
-    return 0;
 }
 
 static void gsr_capture_kms_cuda_stop(gsr_capture *cap, AVCodecContext *video_codec_context) {
@@ -501,6 +506,7 @@ gsr_capture* gsr_capture_kms_cuda_create(const gsr_capture_kms_cuda_params *para
         .tick = gsr_capture_kms_cuda_tick,
         .should_stop = gsr_capture_kms_cuda_should_stop,
         .capture = gsr_capture_kms_cuda_capture,
+        .capture_end = gsr_capture_kms_cuda_capture_end,
         .destroy = gsr_capture_kms_cuda_destroy,
         .priv = cap_kms
     };

src/capture/kms_vaapi.c

@@ -547,6 +547,13 @@ static int gsr_capture_kms_vaapi_capture(gsr_capture *cap, AVFrame *frame) {
 
     cap_kms->params.egl->eglSwapBuffers(cap_kms->params.egl->egl_display, cap_kms->params.egl->egl_surface);
 
+    return 0;
+}
+
+static void gsr_capture_kms_vaapi_capture_end(gsr_capture *cap, AVFrame *frame) {
+    (void)frame;
+    gsr_capture_kms_vaapi *cap_kms = cap->priv;
+
     gsr_egl_cleanup_frame(cap_kms->params.egl);
 
     for(int i = 0; i < cap_kms->kms_response.num_fds; ++i) {
@@ -555,8 +562,6 @@ static int gsr_capture_kms_vaapi_capture(gsr_capture *cap, AVFrame *frame) {
         cap_kms->kms_response.fds[i].fd = 0;
     }
     cap_kms->kms_response.num_fds = 0;
-
-    return 0;
 }
 
 static void gsr_capture_kms_vaapi_stop(gsr_capture *cap, AVCodecContext *video_codec_context) {
@@ -647,6 +652,7 @@ gsr_capture* gsr_capture_kms_vaapi_create(const gsr_capture_kms_vaapi_params *pa
         .tick = gsr_capture_kms_vaapi_tick,
         .should_stop = gsr_capture_kms_vaapi_should_stop,
         .capture = gsr_capture_kms_vaapi_capture,
+        .capture_end = gsr_capture_kms_vaapi_capture_end,
         .destroy = gsr_capture_kms_vaapi_destroy,
         .priv = cap_kms
     };

src/capture/nvfbc.c

@@ -492,6 +492,7 @@ gsr_capture* gsr_capture_nvfbc_create(const gsr_capture_nvfbc_params *params) {
         .tick = gsr_capture_nvfbc_tick,
         .should_stop = NULL,
         .capture = gsr_capture_nvfbc_capture,
+        .capture_end = NULL,
         .destroy = gsr_capture_nvfbc_destroy,
         .priv = cap_nvfbc
     };

src/capture/xcomposite_cuda.c

@@ -503,6 +503,7 @@ gsr_capture* gsr_capture_xcomposite_cuda_create(const gsr_capture_xcomposite_cud
         .tick = gsr_capture_xcomposite_cuda_tick,
         .should_stop = gsr_capture_xcomposite_cuda_should_stop,
         .capture = gsr_capture_xcomposite_cuda_capture,
+        .capture_end = NULL,
         .destroy = gsr_capture_xcomposite_cuda_destroy,
         .priv = cap_xcomp
     };

src/capture/xcomposite_vaapi.c

@@ -508,6 +508,7 @@ gsr_capture* gsr_capture_xcomposite_vaapi_create(const gsr_capture_xcomposite_va
         .tick = gsr_capture_xcomposite_vaapi_tick,
         .should_stop = gsr_capture_xcomposite_vaapi_should_stop,
         .capture = gsr_capture_xcomposite_vaapi_capture,
+        .capture_end = NULL,
         .destroy = gsr_capture_xcomposite_vaapi_destroy,
         .priv = cap_xcomp
     };

src/main.cpp

@@ -2186,6 +2186,8 @@ int main(int argc, char **argv) {
                         fprintf(stderr, "Error: avcodec_send_frame failed, error: %s\n", av_error_to_string(ret));
                     }
                 }
+
+                gsr_capture_end(capture, frame);
                 video_pts_counter += num_frames;
             }
         }