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h264parse: Start SEI parsing work

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This commit is contained in:
Lin YANG 2009-08-17 17:43:51 +08:00 committed by Sebastian Dröge
parent 397abd5741
commit e1cfd384d6
2 changed files with 39 additions and 0 deletions
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29
gst/h264parse/gsth264parse.c
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@ -210,6 +210,35 @@ gst_nal_bs_read_ue (GstNalBs * bs)
return ((1 << i) - 1 + gst_nal_bs_read (bs, i));
}
/* SEI type */
typedef enum
{
SEI_BUF_PERIOD = 0,
SEI_PIC_TIMING = 1
/* and more... */
} GstSeiPayloadType;
/* SEI pic_struct type */
typedef enum
{
SEI_PIC_STRUCT_FRAME = 0, /* 0: %frame */
SEI_PIC_STRUCT_TOP_FIELD = 1, /* 1: top field */
SEI_PIC_STRUCT_BOTTOM_FIELD = 2, /* 2: bottom field */
SEI_PIC_STRUCT_TOP_BOTTOM = 3, /* 3: top field, bottom field, in that order */
SEI_PIC_STRUCT_BOTTOM_TOP = 4, /* 4: bottom field, top field, in that order */
SEI_PIC_STRUCT_TOP_BOTTOM_TOP = 5, /* 5: top field, bottom field, top field repeated, in that order */
SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM = 6, /* 6: bottom field, top field, bottom field repeated, in that order */
SEI_PIC_STRUCT_FRAME_DOUBLING = 7, /* 7: %frame doubling */
SEI_PIC_STRUCT_FRAME_TRIPLING = 8 /* 8: %frame tripling */
} GstSeiPicStructType;
/* pic_struct to NumClockTS lookup table */
static const guint8 sei_num_clock_ts_table[9] = {
1, 1, 1, 2, 2, 3, 3, 2, 3
};
#define Extended_SAR 255
/* SPS: sequential parameter sets */
struct _GstH264Sps
{

10
gst/h264parse/gsth264parse.h
View file

@ -80,6 +80,16 @@ struct _GstH264Parse
/* PPS: sequential parameter set */
GstH264Pps *pps_buffers[MAX_PPS_COUNT];
GstH264Pps *pps; /* Current PPS */
/* SEI: supplemental enhancement messages */
/* buffering period */
guint32 initial_cpb_removal_delay[32];
/* picture timing */
guint32 sei_cpb_removal_delay;
guint32 sei_dpb_output_delay;
guint8 sei_pic_struct;
guint8 sei_ct_type;
/* And more... */
};
struct _GstH264ParseClass