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context: move rate-control mode to encoder specific config.

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Move usage-specific config out of the common GstVaapiContextInfo.
Create a specialized config for encoding and move rate-control mode
to there.
This commit is contained in:
Gwenole Beauchesne 2014-01-23 14:01:33 +01:00
parent 0eb4070977
commit 14ad694fdc
3 changed files with 41 additions and 9 deletions
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26
gst-libs/gst/vaapi/gstvaapicontext.c
View file

@ -189,12 +189,14 @@ context_create (GstVaapiContext * context)
switch (cip->usage) {
case GST_VAAPI_CONTEXT_USAGE_ENCODE:
{
const GstVaapiConfigInfoEncoder *const config = &cip->config.encoder;
/* Rate control */
attrib->type = VAConfigAttribRateControl;
if (!gst_vaapi_context_get_attribute (context, attrib->type, &value))
goto cleanup;
va_rate_control = from_GstVaapiRateControl (cip->rc_mode);
va_rate_control = from_GstVaapiRateControl (config->rc_mode);
if ((value & va_rate_control) != va_rate_control) {
GST_ERROR ("unsupported %s rate control",
string_of_VARateControl (va_rate_control));
@ -234,6 +236,23 @@ cleanup:
return success;
}
/** Updates config for encoding. Returns %TRUE if config changed */
static gboolean
context_update_config_encoder (GstVaapiContext * context,
const GstVaapiConfigInfoEncoder * new_config)
{
GstVaapiConfigInfoEncoder *const config = &context->info.config.encoder;
gboolean config_changed = FALSE;
g_assert (context->info.usage == GST_VAAPI_CONTEXT_USAGE_ENCODE);
if (config->rc_mode != new_config->rc_mode) {
config->rc_mode = new_config->rc_mode;
config_changed = TRUE;
}
return config_changed;
}
static inline void
gst_vaapi_context_init (GstVaapiContext * context,
const GstVaapiContextInfo * cip)
@ -323,12 +342,11 @@ gst_vaapi_context_reset (GstVaapiContext * context,
if (cip->usage != new_cip->usage) {
cip->usage = new_cip->usage;
config_changed = TRUE;
memcpy (&cip->config, &new_cip->config, sizeof (cip->config));
} else if (new_cip->usage == GST_VAAPI_CONTEXT_USAGE_ENCODE) {
if (cip->rc_mode != new_cip->rc_mode) {
cip->rc_mode = new_cip->rc_mode;
if (context_update_config_encoder (context, &new_cip->config.encoder))
config_changed = TRUE;
}
}
if (size_changed)
context_destroy_surfaces (context);

19
gst-libs/gst/vaapi/gstvaapicontext.h
View file

@ -37,6 +37,7 @@ G_BEGIN_DECLS
#define GST_VAAPI_CONTEXT(obj) \
((GstVaapiContext *) (obj))
typedef struct _GstVaapiConfigInfoEncoder GstVaapiConfigInfoEncoder;
typedef struct _GstVaapiContextInfo GstVaapiContextInfo;
typedef struct _GstVaapiContext GstVaapiContext;
typedef struct _GstVaapiContextClass GstVaapiContextClass;
@ -55,25 +56,35 @@ typedef enum {
GST_VAAPI_CONTEXT_USAGE_VPP,
} GstVaapiContextUsage;
/**
* GstVaapiConfigInfoEncoder:
* @rc_mode: rate-control mode (#GstVaapiRateControl).
*
* Extra configuration for encoding.
*/
struct _GstVaapiConfigInfoEncoder
{
GstVaapiRateControl rc_mode;
};
/**
* GstVaapiContextInfo:
*
* Structure holding VA context info like encoded size, decoder
* profile and entry-point to use, and maximum number of reference
* frames reported by the bitstream.
*
* Note: @rc_mode is only valid for VA context used for encoding,
* i.e. if @entrypoint is set to @GST_VAAPI_ENTRYPOINT_SLICE_ENCODE.
*/
struct _GstVaapiContextInfo
{
GstVaapiContextUsage usage;
GstVaapiProfile profile;
GstVaapiEntrypoint entrypoint;
GstVaapiRateControl rc_mode;
guint width;
guint height;
guint ref_frames;
union _GstVaapiConfigInfo {
GstVaapiConfigInfoEncoder encoder;
} config;
};
/**

5
gst-libs/gst/vaapi/gstvaapiencoder.c
View file

@ -483,14 +483,17 @@ static void
set_context_info (GstVaapiEncoder * encoder)
{
GstVaapiContextInfo *const cip = &encoder->context_info;
GstVaapiConfigInfoEncoder *const config = &cip->config.encoder;
cip->usage = GST_VAAPI_CONTEXT_USAGE_ENCODE;
cip->profile = encoder->profile;
cip->entrypoint = GST_VAAPI_ENTRYPOINT_SLICE_ENCODE;
cip->rc_mode = GST_VAAPI_ENCODER_RATE_CONTROL (encoder);
cip->width = GST_VAAPI_ENCODER_WIDTH (encoder);
cip->height = GST_VAAPI_ENCODER_HEIGHT (encoder);
cip->ref_frames = encoder->num_ref_frames;
memset (config, 0, sizeof (*config));
config->rc_mode = GST_VAAPI_ENCODER_RATE_CONTROL (encoder);
}
/* Ensures the underlying VA context for encoding is created */