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dpb: rename GstVaapiDpbMpeg2 to GstVaapiDpb2.

Browse source 
Move GstVaapiDpbMpeg2 API to a more generic version that could also be
useful to other decoders that require 2 reference pictures, e.g. VC-1.

Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
This commit is contained in:
Sreerenj Balachandran 2012-08-02 15:56:54 +03:00 committed by Gwenole Beauchesne
parent 86af31e426
commit eafdd771ae
3 changed files with 49 additions and 49 deletions
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30
gst-libs/gst/vaapi/gstvaapidecoder_dpb.c
View file

@ -247,21 +247,21 @@ gst_vaapi_dpb_size(GstVaapiDpb *dpb)
}
/* ------------------------------------------------------------------------- */
/* --- MPEG-2 Decoded Picture Buffer --- */
/* --- Decoded Picture Buffer (optimized for 2 reference pictures) --- */
/* ------------------------------------------------------------------------- */
/* At most two reference pictures for MPEG-2 */
#define MAX_MPEG2_REFERENCES 2
/* At most two reference pictures for DPB2*/
#define MAX_DPB2_REFERENCES 2
G_DEFINE_TYPE(GstVaapiDpbMpeg2, gst_vaapi_dpb_mpeg2, GST_VAAPI_TYPE_DPB)
G_DEFINE_TYPE(GstVaapiDpb2, gst_vaapi_dpb2, GST_VAAPI_TYPE_DPB)
static gboolean
gst_vaapi_dpb_mpeg2_add(GstVaapiDpb *dpb, GstVaapiPicture *picture)
gst_vaapi_dpb2_add(GstVaapiDpb *dpb, GstVaapiPicture *picture)
{
GstVaapiPicture *ref_picture;
gint index = -1;
g_return_val_if_fail(GST_VAAPI_IS_DPB_MPEG2(dpb), FALSE);
g_return_val_if_fail(GST_VAAPI_IS_DPB2(dpb), FALSE);
/*
* Purpose: only store reference decoded pictures into the DPB
@ -271,7 +271,7 @@ gst_vaapi_dpb_mpeg2_add(GstVaapiDpb *dpb, GstVaapiPicture *picture)
* - ... thus causing older reference pictures to be output, if not already
* - the oldest reference picture is replaced with the new reference picture
*/
if (G_LIKELY(dpb->num_pictures == MAX_MPEG2_REFERENCES)) {
if (G_LIKELY(dpb->num_pictures == MAX_DPB2_REFERENCES)) {
index = (dpb->pictures[0]->poc > dpb->pictures[1]->poc);
ref_picture = dpb->pictures[index];
if (!GST_VAAPI_PICTURE_IS_OUTPUT(ref_picture)) {
@ -290,37 +290,37 @@ gst_vaapi_dpb_mpeg2_add(GstVaapiDpb *dpb, GstVaapiPicture *picture)
}
static void
gst_vaapi_dpb_mpeg2_init(GstVaapiDpbMpeg2 *dpb)
gst_vaapi_dpb2_init(GstVaapiDpb2 *dpb)
{
}
static void
gst_vaapi_dpb_mpeg2_class_init(GstVaapiDpbMpeg2Class *klass)
gst_vaapi_dpb2_class_init(GstVaapiDpb2Class *klass)
{
GstVaapiDpbClass * const dpb_class = GST_VAAPI_DPB_CLASS(klass);
dpb_class->add = gst_vaapi_dpb_mpeg2_add;
dpb_class->add = gst_vaapi_dpb2_add;
}
GstVaapiDpb *
gst_vaapi_dpb_mpeg2_new(void)
gst_vaapi_dpb2_new(void)
{
return dpb_new(GST_VAAPI_TYPE_DPB_MPEG2, MAX_MPEG2_REFERENCES);
return dpb_new(GST_VAAPI_TYPE_DPB2, MAX_DPB2_REFERENCES);
}
void
gst_vaapi_dpb_mpeg2_get_references(
gst_vaapi_dpb2_get_references(
GstVaapiDpb *dpb,
GstVaapiPicture *picture,
GstVaapiPicture **prev_picture_ptr,
GstVaapiPicture **next_picture_ptr
)
{
GstVaapiPicture *ref_picture, *ref_pictures[MAX_MPEG2_REFERENCES];
GstVaapiPicture *ref_picture, *ref_pictures[MAX_DPB2_REFERENCES];
GstVaapiPicture **picture_ptr;
guint i, index;
g_return_if_fail(GST_VAAPI_IS_DPB_MPEG2(dpb));
g_return_if_fail(GST_VAAPI_IS_DPB2(dpb));
g_return_if_fail(GST_VAAPI_IS_PICTURE(picture));
ref_pictures[0] = NULL;

64
gst-libs/gst/vaapi/gstvaapidecoder_dpb.h
View file

@ -28,8 +28,8 @@ G_BEGIN_DECLS
typedef struct _GstVaapiDpb GstVaapiDpb;
typedef struct _GstVaapiDpbClass GstVaapiDpbClass;
typedef struct _GstVaapiDpbMpeg2 GstVaapiDpbMpeg2;
typedef struct _GstVaapiDpbMpeg2Class GstVaapiDpbMpeg2Class;
typedef struct _GstVaapiDpb2 GstVaapiDpb2;
typedef struct _GstVaapiDpb2Class GstVaapiDpb2Class;
/* ------------------------------------------------------------------------- */
/* --- Base Decoded Picture Buffer --- */
@ -120,67 +120,67 @@ gst_vaapi_dpb_unref(gpointer ptr)
}
/* ------------------------------------------------------------------------- */
/* --- MPEG-2 Decoded Picture Buffer --- */
/* --- Decoded Picture Buffer (optimized for 2 reference pictures) --- */
/* ------------------------------------------------------------------------- */
#define GST_VAAPI_TYPE_DPB_MPEG2 \
(gst_vaapi_dpb_mpeg2_get_type())
#define GST_VAAPI_TYPE_DPB2 \
(gst_vaapi_dpb2_get_type())
#define GST_VAAPI_DPB_MPEG2_CAST(obj) \
((GstVaapiDpbMpeg2 *)(obj))
#define GST_VAAPI_DPB2_CAST(obj) \
((GstVaapiDpb2 *)(obj))
#define GST_VAAPI_DPB_MPEG2(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
GST_VAAPI_TYPE_DPB_MPEG2, \
GstVaapiDpbMpeg2))
#define GST_VAAPI_DPB2(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
GST_VAAPI_TYPE_DPB2, \
GstVaapiDpb2))
#define GST_VAAPI_DPB_MPEG2_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
GST_VAAPI_TYPE_DPB_MPEG2, \
GstVaapiDpbMpeg2Class))
#define GST_VAAPI_DPB2_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
GST_VAAPI_TYPE_DPB2, \
GstVaapiDpb2Class))
#define GST_VAAPI_IS_DPB_MPEG2(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_DPB_MPEG2))
#define GST_VAAPI_IS_DPB2(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_DPB2))
#define GST_VAAPI_IS_DPB_MPEG2_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_DPB_MPEG2))
#define GST_VAAPI_IS_DPB2_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_DPB2))
#define GST_VAAPI_DPB_MPEG2_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), \
GST_VAAPI_TYPE_DPB_MPEG2, \
GstVaapiDpbMpeg2Class))
#define GST_VAAPI_DPB2_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), \
GST_VAAPI_TYPE_DPB2, \
GstVaapiDpb2Class))
/**
* GstVaapiDpbMpeg2:
* GstVaapiDpb2:
*
* A decoded picture buffer (DPB_MPEG2) object.
* A decoded picture buffer (DPB2) object.
*/
struct _GstVaapiDpbMpeg2 {
struct _GstVaapiDpb2 {
/*< private >*/
GstVaapiDpb parent_instance;
};
/**
* GstVaapiDpbMpeg2Class:
* GstVaapiDpb2Class:
*
* The #GstVaapiDpbMpeg2 base class.
* The #GstVaapiDpb2 base class.
*/
struct _GstVaapiDpbMpeg2Class {
struct _GstVaapiDpb2Class {
/*< private >*/
GstVaapiDpbClass parent_class;
};
G_GNUC_INTERNAL
GType
gst_vaapi_dpb_mpeg2_get_type(void) G_GNUC_CONST;
gst_vaapi_dpb2_get_type(void) G_GNUC_CONST;
G_GNUC_INTERNAL
GstVaapiDpb *
gst_vaapi_dpb_mpeg2_new(void);
gst_vaapi_dpb2_new(void);
G_GNUC_INTERNAL
void
gst_vaapi_dpb_mpeg2_get_references(
gst_vaapi_dpb2_get_references(
GstVaapiDpb *dpb,
GstVaapiPicture *picture,
GstVaapiPicture **prev_picture_ptr,

4
gst-libs/gst/vaapi/gstvaapidecoder_mpeg2.c
View file

@ -386,7 +386,7 @@ gst_vaapi_decoder_mpeg2_open(GstVaapiDecoderMpeg2 *decoder)
gst_vaapi_decoder_mpeg2_close(decoder);
priv->dpb = gst_vaapi_dpb_mpeg2_new();
priv->dpb = gst_vaapi_dpb2_new();
if (!priv->dpb)
return FALSE;
@ -1044,7 +1044,7 @@ fill_picture(GstVaapiDecoderMpeg2 *decoder, GstVaapiPicture *picture)
COPY_FIELD(picture_coding_extension, bits, repeat_first_field);
COPY_FIELD(picture_coding_extension, bits, progressive_frame);
gst_vaapi_dpb_mpeg2_get_references(priv->dpb, picture,
gst_vaapi_dpb2_get_references(priv->dpb, picture,
&prev_picture, &next_picture);
switch (pic_hdr->pic_type) {