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basevideodecoder: add some header commentary

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This commit is contained in:
Mark Nauwelaerts 2011-03-29 15:39:07 +02:00
parent cfc65b14b1
commit 444b169188
1 changed files with 44 additions and 28 deletions
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70
gst-libs/gst/video/gstbasevideodecoder.h
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@ -56,8 +56,9 @@ G_BEGIN_DECLS
#define GST_BASE_VIDEO_DECODER_SRC_NAME "src" #define GST_BASE_VIDEO_DECODER_SRC_NAME "src"
/** /**
* * GST_BASE_VIDEO_DECODER_FLOW_NEED_DATA: * GST_BASE_VIDEO_DECODER_FLOW_NEED_DATA:
* * *
* Returned while parsing to indicate more data is needed.
**/ **/
#define GST_BASE_VIDEO_DECODER_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS #define GST_BASE_VIDEO_DECODER_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS
@ -69,36 +70,51 @@ struct _GstBaseVideoDecoder
{ {
GstBaseVideoCodec base_video_codec; GstBaseVideoCodec base_video_codec;
/*< private >*/ /*< protected >*/
GstAdapter *input_adapter;
GstAdapter *output_adapter;
gboolean have_sync;
gboolean discont;
gboolean sink_clipping; gboolean sink_clipping;
gboolean do_byte_time; gboolean do_byte_time;
gboolean have_src_caps;
GstVideoFrame *current_frame;
int distance_from_sync;
int reorder_depth;
GstClockTime timestamp_offset;
guint64 input_offset;
guint64 frame_offset;
GstClockTime last_timestamp;
guint64 base_picture_number;
int field_index;
gboolean packetized; gboolean packetized;
/* parse tracking */
/* input data */
GstAdapter *input_adapter;
/* assembles current frame */
GstAdapter *output_adapter;
/*< private >*/
/* FIXME move to real private part ?
* (and introduce a context ?) */
/* ... being tracked here;
* only available during parsing */
/* FIXME remove and add parameter to method */
GstVideoFrame *current_frame;
/* relative offset of input data */
guint64 input_offset;
/* relative offset of frame */
guint64 frame_offset;
/* tracking ts and offsets */
GList *timestamps; GList *timestamps;
/* whether parsing is in sync */
gboolean have_sync;
/* maybe sort-of protected ? */
/* need mark discont */
gboolean discont;
/* src caps set */
gboolean have_src_caps;
/* combine to yield (presentation) ts */
GstClockTime timestamp_offset;
int field_index;
/* last outgoing ts */
GstClockTime last_timestamp;
/* no comment ... */
guint64 base_picture_number;
int reorder_depth;
int distance_from_sync;
/* FIXME before moving to base */ /* FIXME before moving to base */
void *padding[GST_PADDING_LARGE]; void *padding[GST_PADDING_LARGE];