1 files changed, 109 insertions, 0 deletions
diff --git a/src/capture/xcomposite_vaapi.c b/src/capture/xcomposite_vaapi.c
new file mode 100644
index 0000000..8c9c56c
--- /dev/null
+++ b/src/capture/xcomposite_vaapi.c
@@ -0,0 +1,109 @@
+#include "../../include/capture/xcomposite_vaapi.h"
+#include "../../include/capture/xcomposite.h"
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <va/va.h>
+#include <va/va_drmcommon.h>
+#include <libavcodec/avcodec.h>
+
+typedef struct {
+    gsr_capture_xcomposite xcomposite;
+
+    VADisplay va_dpy;
+    VADRMPRIMESurfaceDescriptor prime;
+} gsr_capture_xcomposite_vaapi;
+
+static void gsr_capture_xcomposite_vaapi_stop(gsr_capture *cap, AVCodecContext *video_codec_context);
+
+static int gsr_capture_xcomposite_vaapi_start(gsr_capture *cap, AVCodecContext *video_codec_context, AVFrame *frame) {
+    gsr_capture_xcomposite_vaapi *cap_xcomp = cap->priv;
+
+    const int res = gsr_capture_xcomposite_start(&cap_xcomp->xcomposite, video_codec_context, frame);
+    if(res != 0) {
+        gsr_capture_xcomposite_vaapi_stop(cap, video_codec_context);
+        return res;
+    }
+
+    if(!drm_create_codec_context(cap_xcomp->xcomposite.params.egl->card_path, video_codec_context, video_codec_context->width, video_codec_context->height, false, &cap_xcomp->va_dpy)) {
+        gsr_capture_xcomposite_vaapi_stop(cap, video_codec_context);
+        return -1;
+    }
+
+    if(!gsr_capture_base_setup_vaapi_textures(&cap_xcomp->xcomposite.base, frame, cap_xcomp->va_dpy, &cap_xcomp->prime, cap_xcomp->xcomposite.params.color_range)) {
+        gsr_capture_xcomposite_vaapi_stop(cap, video_codec_context);
+        return -1;
+    }
+
+    return 0;
+}
+
+static void gsr_capture_xcomposite_vaapi_tick(gsr_capture *cap, AVCodecContext *video_codec_context) {
+    gsr_capture_xcomposite_vaapi *cap_xcomp = cap->priv;
+    gsr_capture_xcomposite_tick(&cap_xcomp->xcomposite, video_codec_context);
+}
+
+static bool gsr_capture_xcomposite_vaapi_should_stop(gsr_capture *cap, bool *err) {
+    gsr_capture_xcomposite_vaapi *cap_xcomp = cap->priv;
+    return gsr_capture_xcomposite_should_stop(&cap_xcomp->xcomposite, err);
+}
+
+static int gsr_capture_xcomposite_vaapi_capture(gsr_capture *cap, AVFrame *frame) {
+    gsr_capture_xcomposite_vaapi *cap_xcomp = cap->priv;
+    return gsr_capture_xcomposite_capture(&cap_xcomp->xcomposite, frame);
+}
+
+static void gsr_capture_xcomposite_vaapi_stop(gsr_capture *cap, AVCodecContext *video_codec_context) {
+    (void)video_codec_context;
+    gsr_capture_xcomposite_vaapi *cap_xcomp = cap->priv;
+
+    for(uint32_t i = 0; i < cap_xcomp->prime.num_objects; ++i) {
+        if(cap_xcomp->prime.objects[i].fd > 0) {
+            close(cap_xcomp->prime.objects[i].fd);
+            cap_xcomp->prime.objects[i].fd = 0;
+        }
+    }
+
+    gsr_capture_xcomposite_stop(&cap_xcomp->xcomposite);
+}
+
+static void gsr_capture_xcomposite_vaapi_destroy(gsr_capture *cap, AVCodecContext *video_codec_context) {
+    (void)video_codec_context;
+    if(cap->priv) {
+        gsr_capture_xcomposite_vaapi_stop(cap, video_codec_context);
+        free(cap->priv);
+        cap->priv = NULL;
+    }
+    free(cap);
+}
+
+gsr_capture* gsr_capture_xcomposite_vaapi_create(const gsr_capture_xcomposite_vaapi_params *params) {
+    if(!params) {
+        fprintf(stderr, "gsr error: gsr_capture_xcomposite_vaapi_create params is NULL\n");
+        return NULL;
+    }
+
+    gsr_capture *cap = calloc(1, sizeof(gsr_capture));
+    if(!cap)
+        return NULL;
+
+    gsr_capture_xcomposite_vaapi *cap_xcomp = calloc(1, sizeof(gsr_capture_xcomposite_vaapi));
+    if(!cap_xcomp) {
+        free(cap);
+        return NULL;
+    }
+
+    gsr_capture_xcomposite_init(&cap_xcomp->xcomposite, &params->base);
+    
+    *cap = (gsr_capture) {
+        .start = gsr_capture_xcomposite_vaapi_start,
+        .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
+    };
+
+    return cap;
+}