Move codec query from encoder to separate file

1 files changed, 193 insertions, 0 deletions

diff --git a/src/codec_query/vaapi.c b/src/codec_query/vaapi.c
new file mode 100644
index 0000000..d9f3497
--- /dev/null
+++ b/src/codec_query/vaapi.c
@@ -0,0 +1,193 @@
+#include "../../include/codec_query/vaapi.h"
+#include "../../include/utils.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <va/va.h>
+#include <va/va_drm.h>
+
+static bool profile_is_h264(VAProfile profile) {
+    switch(profile) {
+        case 5: // VAProfileH264Baseline
+        case VAProfileH264Main:
+        case VAProfileH264High:
+        case VAProfileH264ConstrainedBaseline:
+            return true;
+        default:
+            return false;
+    }
+}
+
+static bool profile_is_hevc_8bit(VAProfile profile) {
+    switch(profile) {
+        case VAProfileHEVCMain:
+            return true;
+        default:
+            return false;
+    }
+}
+
+static bool profile_is_hevc_10bit(VAProfile profile) {
+    switch(profile) {
+        case VAProfileHEVCMain10:
+        //case VAProfileHEVCMain12:
+        //case VAProfileHEVCMain422_10:
+        //case VAProfileHEVCMain422_12:
+        //case VAProfileHEVCMain444:
+        //case VAProfileHEVCMain444_10:
+        //case VAProfileHEVCMain444_12:
+            return true;
+        default:
+            return false;
+    }
+}
+
+static bool profile_is_av1(VAProfile profile) {
+    switch(profile) {
+        case VAProfileAV1Profile0:
+        case VAProfileAV1Profile1:
+            return true;
+        default:
+            return false;
+    }
+}
+
+static bool profile_is_vp8(VAProfile profile) {
+    switch(profile) {
+        case VAProfileVP8Version0_3:
+            return true;
+        default:
+            return false;
+    }
+}
+
+static bool profile_is_vp9(VAProfile profile) {
+    switch(profile) {
+        case VAProfileVP9Profile0:
+        case VAProfileVP9Profile1:
+        case VAProfileVP9Profile2:
+        case VAProfileVP9Profile3:
+            return true;
+        default:
+            return false;
+    }
+}
+
+static bool profile_supports_video_encoding(VADisplay va_dpy, VAProfile profile) {
+    int num_entrypoints = vaMaxNumEntrypoints(va_dpy);
+    if(num_entrypoints <= 0)
+        return false;
+
+    VAEntrypoint *entrypoint_list = calloc(num_entrypoints, sizeof(VAEntrypoint));
+    if(!entrypoint_list)
+        return false;
+
+    bool supported = false;
+    if(vaQueryConfigEntrypoints(va_dpy, profile, entrypoint_list, &num_entrypoints) == VA_STATUS_SUCCESS) {
+        for(int i = 0; i < num_entrypoints; ++i) {
+            if(entrypoint_list[i] == VAEntrypointEncSlice) {
+                supported = true;
+                break;
+            }
+        }
+    }
+
+    free(entrypoint_list);
+    return supported;
+}
+
+static bool get_supported_video_codecs(VADisplay va_dpy, gsr_supported_video_codecs *video_codecs, bool cleanup) {
+    *video_codecs = (gsr_supported_video_codecs){0};
+    bool success = false;
+    VAProfile *profile_list = NULL;
+
+    vaSetInfoCallback(va_dpy, NULL, NULL);
+
+    int va_major = 0;
+    int va_minor = 0;
+    if(vaInitialize(va_dpy, &va_major, &va_minor) != VA_STATUS_SUCCESS) {
+        fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_vaapi: vaInitialize failed\n");
+        goto fail;
+    }
+
+    int num_profiles = vaMaxNumProfiles(va_dpy);
+    if(num_profiles <= 0)
+        goto fail;
+
+    profile_list = calloc(num_profiles, sizeof(VAProfile));
+    if(!profile_list || vaQueryConfigProfiles(va_dpy, profile_list, &num_profiles) != VA_STATUS_SUCCESS)
+        goto fail;
+
+    for(int i = 0; i < num_profiles; ++i) {
+        if(profile_is_h264(profile_list[i])) {
+            if(profile_supports_video_encoding(va_dpy, profile_list[i]))
+                video_codecs->h264 = true;
+        } else if(profile_is_hevc_8bit(profile_list[i])) {
+            if(profile_supports_video_encoding(va_dpy, profile_list[i]))
+                video_codecs->hevc = true;
+        } else if(profile_is_hevc_10bit(profile_list[i])) {
+            if(profile_supports_video_encoding(va_dpy, profile_list[i])) {
+                video_codecs->hevc_hdr = true;
+                video_codecs->hevc_10bit = true;
+            }
+        } else if(profile_is_av1(profile_list[i])) {
+            if(profile_supports_video_encoding(va_dpy, profile_list[i])) {
+                video_codecs->av1 = true;
+                video_codecs->av1_hdr = true;
+                video_codecs->av1_10bit = true;
+            }
+        } else if(profile_is_vp8(profile_list[i])) {
+            if(profile_supports_video_encoding(va_dpy, profile_list[i]))
+                video_codecs->vp8 = true;
+        } else if(profile_is_vp9(profile_list[i])) {
+            if(profile_supports_video_encoding(va_dpy, profile_list[i]))
+                video_codecs->vp9 = true;
+        }
+    }
+
+    success = true;
+    fail:
+    if(profile_list)
+        free(profile_list);
+
+    if(cleanup)
+        vaTerminate(va_dpy);
+
+    return success;
+}
+
+bool gsr_get_supported_video_codecs_vaapi(gsr_supported_video_codecs *video_codecs, const char *card_path, bool cleanup) {
+    memset(video_codecs, 0, sizeof(*video_codecs));
+    bool success = false;
+
+    char render_path[128];
+    if(!gsr_card_path_get_render_path(card_path, render_path)) {
+        fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_vaapi: failed to get /dev/dri/renderDXXX file from %s\n", card_path);
+        goto done;
+    }
+
+    const int drm_fd = open(render_path, O_RDWR);
+    if(drm_fd == -1) {
+        fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_vaapi: failed to open device %s\n", render_path);
+        goto done;
+    }
+
+    VADisplay va_dpy = vaGetDisplayDRM(drm_fd);
+    if(va_dpy) {
+        if(!get_supported_video_codecs(va_dpy, video_codecs, cleanup)) {
+            fprintf(stderr, "gsr error: gsr_get_supported_video_codecs_vaapi: failed to query supported video codecs for device %s\n", render_path);
+            goto done;
+        }
+        success = true;
+    }
+
+    done:
+    if(cleanup)
+        close(drm_fd);
+
+    return success;
+}