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context: add support for non-YUV 4:2:0 formats.

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Don't force allocation of VA surfaces in YUV 4:2:0 format. Rather, allow
for the upper layer to specify the desired chroma type. If the chroma
type field is not set (or yields zero), then YUV 4:2:0 format is used
by default.
This commit is contained in:
Gwenole Beauchesne 2014-04-25 13:45:31 +02:00
parent f2b0d02168
commit 519f0e6b8a
2 changed files with 40 additions and 20 deletions
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59
gst-libs/gst/vaapi/gstvaapicontext.c
View file

@ -44,6 +44,9 @@
#define DEBUG 1
#include "gstvaapidebug.h"
/* Define default VA surface chroma format to YUV 4:2:0 */
#define DEFAULT_CHROMA_TYPE (GST_VAAPI_CHROMA_TYPE_YUV420)
static void
unref_surface_cb (GstVaapiSurface * surface)
{
@ -136,7 +139,7 @@ context_create_surfaces (GstVaapiContext * context)
for (i = context->surfaces->len; i < num_surfaces; i++) {
surface = gst_vaapi_surface_new (GST_VAAPI_OBJECT_DISPLAY (context),
GST_VAAPI_CHROMA_TYPE_YUV420, cip->width, cip->height);
cip->chroma_type, cip->width, cip->height);
if (!surface)
return FALSE;
gst_vaapi_surface_set_parent_context (surface, context);
@ -158,7 +161,7 @@ context_create (GstVaapiContext * context)
VAStatus status;
GArray *surfaces = NULL;
gboolean success = FALSE;
guint i, value;
guint i, value, va_chroma_format;
if (!context->surfaces && !context_create_surfaces (context))
goto cleanup;
@ -186,12 +189,15 @@ context_create (GstVaapiContext * context)
gst_vaapi_entrypoint_get_va_entrypoint (cip->entrypoint);
/* Validate VA surface format */
va_chroma_format = from_GstVaapiChromaType (cip->chroma_type);
if (!va_chroma_format)
goto cleanup;
attrib->type = VAConfigAttribRTFormat;
if (!context_get_attribute (context, attrib->type, &value))
goto cleanup;
if (!(value & VA_RT_FORMAT_YUV420))
if (!(value & va_chroma_format))
goto cleanup;
attrib->value = VA_RT_FORMAT_YUV420;
attrib->value = va_chroma_format;
attrib++;
switch (cip->usage) {
@ -286,9 +292,14 @@ context_update_config_encoder (GstVaapiContext * context,
static inline void
gst_vaapi_context_init (GstVaapiContext * context,
const GstVaapiContextInfo * cip)
const GstVaapiContextInfo * new_cip)
{
context->info = *cip;
GstVaapiContextInfo *const cip = &context->info;
*cip = *new_cip;
if (!cip->chroma_type)
cip->chroma_type = DEFAULT_CHROMA_TYPE;
context->va_config = VA_INVALID_ID;
gst_vaapi_context_overlay_init (context);
}
@ -355,38 +366,46 @@ gst_vaapi_context_reset (GstVaapiContext * context,
const GstVaapiContextInfo * new_cip)
{
GstVaapiContextInfo *const cip = &context->info;
gboolean size_changed, config_changed;
gboolean reset_surfaces = FALSE, reset_config = FALSE;
GstVaapiChromaType chroma_type;
size_changed = cip->width != new_cip->width || cip->height != new_cip->height;
if (size_changed) {
cip->width = new_cip->width;
cip->height = new_cip->height;
chroma_type = new_cip->chroma_type ? new_cip->chroma_type :
DEFAULT_CHROMA_TYPE;
if (cip->chroma_type != chroma_type) {
cip->chroma_type = chroma_type;
reset_surfaces = TRUE;
}
config_changed = cip->profile != new_cip->profile ||
cip->entrypoint != new_cip->entrypoint;
if (config_changed) {
if (cip->width != new_cip->width || cip->height != new_cip->height) {
cip->width = new_cip->width;
cip->height = new_cip->height;
reset_surfaces = TRUE;
}
if (cip->profile != new_cip->profile ||
cip->entrypoint != new_cip->entrypoint) {
cip->profile = new_cip->profile;
cip->entrypoint = new_cip->entrypoint;
reset_config = TRUE;
}
if (cip->usage != new_cip->usage) {
cip->usage = new_cip->usage;
config_changed = TRUE;
reset_config = TRUE;
memcpy (&cip->config, &new_cip->config, sizeof (cip->config));
} else if (new_cip->usage == GST_VAAPI_CONTEXT_USAGE_ENCODE) {
if (context_update_config_encoder (context, &new_cip->config.encoder))
config_changed = TRUE;
reset_config = TRUE;
}
if (size_changed)
if (reset_surfaces)
context_destroy_surfaces (context);
if (config_changed)
if (reset_config)
context_destroy (context);
if (size_changed && !context_create_surfaces (context))
if (reset_surfaces && !context_create_surfaces (context))
return FALSE;
if (config_changed && !context_create (context))
if (reset_config && !context_create (context))
return FALSE;
return TRUE;
}

1
gst-libs/gst/vaapi/gstvaapicontext.h
View file

@ -81,6 +81,7 @@ struct _GstVaapiContextInfo
GstVaapiContextUsage usage;
GstVaapiProfile profile;
GstVaapiEntrypoint entrypoint;
GstVaapiChromaType chroma_type;
guint width;
guint height;
guint ref_frames;