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fix: set device-path for gstreamer plugins correctly

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This commit is contained in:
Michael Scherle 2026-05-22 08:56:56 +02:00
parent d298bb2f14
commit d9a4417e7b
1 changed files with 43 additions and 13 deletions
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56
server/gstreamer-encoder.c
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@ -977,16 +977,49 @@ static bool gst_features_lookup(const gchar *feature_name)
}
int getRenderNum(const char *rendernode){
char resolved[PATH_MAX];
if (rendernode == NULL){
return -1;
}
if (!realpath(rendernode, resolved)) {
perror("realpath");
return -1;
}
char *match = strstr(resolved, "renderD");
if (!match) {
return -1;
}
int num;
if (sscanf(match, "renderD%d", &num) != 1) {
return -1;
}
if (num > 191 || num < 0){
return -1;
}
return num;
}
static gchar *find_best_hw_plugin(const gchar *codec_name, const char *rendernode)
{
char plugins[][8] = {"va","msdk", "vaapi"};
char postproc[][10] ={"postproc","vpp","postproc"};
gchar *feature_name;
int i;
for (i = 0; i < G_N_ELEMENTS(plugins); i++) {
if (codec_name == NULL){
// first plugin is also va but for a specific render
char plugins[][16] = {"", "va", "msdk", "vaapi"};
const char *postproc[] = {"postproc", "postproc", "vpp", "postproc"};
int renderNum = getRenderNum(rendernode);
gchar *feature_name = NULL;
int i = 1; //
if (renderNum != -1 && renderNum != 128) {
snprintf(plugins[0], sizeof(plugins[0]), "varenderD%d", renderNum);
i = 0;
}
for (; i < G_N_ELEMENTS(plugins); i++) {
if (codec_name == NULL) {
feature_name = g_strdup_printf("%s%s", plugins[i], postproc[i]);
if (!gst_features_lookup(feature_name)) {
g_free(feature_name);
@ -996,6 +1029,8 @@ static gchar *find_best_hw_plugin(const gchar *codec_name, const char *rendernod
feature_name = g_strconcat(plugins[i], codec_name, "enc", NULL);
if (!gst_features_lookup(feature_name)) {
g_free(feature_name);
// Fallback to low-power encoder alternative
feature_name = g_strconcat(plugins[i], codec_name, "lpenc", NULL);
if (!gst_features_lookup(feature_name)) {
g_free(feature_name);
@ -1003,12 +1038,7 @@ static gchar *find_best_hw_plugin(const gchar *codec_name, const char *rendernod
}
}
}
if(i == 0 && rendernode){
gchar * feature_name_with_render = g_strdup_printf("%s device-path=%s",feature_name, rendernode);
g_free(feature_name);
return feature_name_with_render;
}
return feature_name;
}
return NULL;
}