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nvdec: Fallback to system memory if OpenGL context could not support PBO memory

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If the environment could not support OpenGL PBO memory, nvdec will do negotiation
with system memory as fallback.
This commit is contained in:
Seungha Yang 2019-08-29 20:20:14 +09:00
parent 069fe93452
commit be3a3da829
1 changed files with 41 additions and 17 deletions
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58
sys/nvcodec/gstnvdec.c
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@ -158,6 +158,9 @@ static gboolean gst_nvdec_flush (GstVideoDecoder * decoder);
static GstFlowReturn gst_nvdec_drain (GstVideoDecoder * decoder);
static GstFlowReturn gst_nvdec_finish (GstVideoDecoder * decoder);
static gboolean gst_nvdec_negotiate (GstVideoDecoder * decoder);
#ifdef HAVE_NVCODEC_GST_GL
static gboolean gst_nvdec_ensure_gl_context (GstNvDec * nvdec);
#endif
#define gst_nvdec_parent_class parent_class
G_DEFINE_ABSTRACT_TYPE (GstNvDec, gst_nvdec, GST_TYPE_VIDEO_DECODER);
@ -473,6 +476,13 @@ gst_nvdec_negotiate (GstVideoDecoder * decoder)
gst_clear_caps (&caps);
}
if (nvdec->mem_type == GST_NVDEC_MEM_TYPE_GL &&
!gst_nvdec_ensure_gl_context (nvdec)) {
GST_WARNING_OBJECT (nvdec,
"OpenGL context cannot support PBO memory, fallback to system memory");
nvdec->mem_type = GST_NVDEC_MEM_TYPE_SYSTEM;
}
if (nvdec->mem_type == GST_NVDEC_MEM_TYPE_GL) {
gst_caps_set_features (state->caps, 0,
gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_GL_MEMORY, NULL));
@ -1157,24 +1167,16 @@ gst_nvdec_finish (GstVideoDecoder * decoder)
return gst_nvdec_drain (decoder);
}
static gboolean
gst_nvdec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
{
#ifdef HAVE_NVCODEC_GST_GL
GstNvDec *nvdec = GST_NVDEC (decoder);
GstCaps *outcaps;
GstBufferPool *pool = NULL;
guint n, size, min, max;
GstVideoInfo vinfo = { 0, };
GstStructure *config;
static gboolean
gst_nvdec_ensure_gl_context (GstNvDec * nvdec)
{
if (!nvdec->gl_display) {
GST_DEBUG_OBJECT (nvdec, "No available OpenGL display");
return FALSE;
}
GST_DEBUG_OBJECT (nvdec, "decide allocation");
if (nvdec->mem_type == GST_NVDEC_MEM_TYPE_SYSTEM)
return GST_VIDEO_DECODER_CLASS (gst_nvdec_parent_class)->decide_allocation
(decoder, query);
if (!gst_gl_query_local_gl_context (GST_ELEMENT (decoder), GST_PAD_SRC,
if (!gst_gl_query_local_gl_context (GST_ELEMENT (nvdec), GST_PAD_SRC,
&nvdec->gl_context)) {
GST_INFO_OBJECT (nvdec, "failed to query local OpenGL context");
if (nvdec->gl_context)
@ -1200,10 +1202,32 @@ gst_nvdec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
if (!gst_gl_context_check_gl_version (nvdec->gl_context,
SUPPORTED_GL_APIS, 3, 0)) {
GST_ERROR_OBJECT (nvdec, "OpenGL context could not support PBO download");
GST_WARNING_OBJECT (nvdec, "OpenGL context could not support PBO download");
return FALSE;
}
return TRUE;
}
#endif
static gboolean
gst_nvdec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
{
#ifdef HAVE_NVCODEC_GST_GL
GstNvDec *nvdec = GST_NVDEC (decoder);
GstCaps *outcaps;
GstBufferPool *pool = NULL;
guint n, size, min, max;
GstVideoInfo vinfo = { 0, };
GstStructure *config;
GST_DEBUG_OBJECT (nvdec, "decide allocation");
if (nvdec->mem_type == GST_NVDEC_MEM_TYPE_SYSTEM)
return GST_VIDEO_DECODER_CLASS (gst_nvdec_parent_class)->decide_allocation
(decoder, query);
gst_query_parse_allocation (query, &outcaps, NULL);
n = gst_query_get_n_allocation_pools (query);
if (n > 0)