mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-02-03 21:12:26 +00:00
codecparsers: h264: record ref_pic_list_modification().
This commit is contained in:
parent
99101a5824
commit
177451c921
2 changed files with 71 additions and 57 deletions
|
@ -743,60 +743,56 @@ error:
|
|||
}
|
||||
|
||||
static gboolean
|
||||
slice_parse_ref_pic_list_modification (GstH264SliceHdr * slice, NalReader * nr)
|
||||
slice_parse_ref_pic_list_modification_1 (GstH264SliceHdr * slice,
|
||||
NalReader * nr, guint list)
|
||||
{
|
||||
GST_DEBUG ("parsing \"Reference picture list modification\"");
|
||||
GstH264RefPicListModification *entries;
|
||||
guint8 *ref_pic_list_modification_flag;
|
||||
guint32 modification_of_pic_nums_idc;
|
||||
guint i = 0;
|
||||
|
||||
if (!GST_H264_IS_I_SLICE (slice) && !GST_H264_IS_SI_SLICE (slice)) {
|
||||
guint8 ref_pic_list_modification_flag_l0;
|
||||
guint32 modification_of_pic_nums_idc;
|
||||
|
||||
READ_UINT8 (nr, ref_pic_list_modification_flag_l0, 1);
|
||||
if (ref_pic_list_modification_flag_l0)
|
||||
do {
|
||||
READ_UE (nr, modification_of_pic_nums_idc);
|
||||
if (modification_of_pic_nums_idc == 0
|
||||
|| modification_of_pic_nums_idc == 1) {
|
||||
guint32 abs_diff_pic_num_minus1 G_GNUC_UNUSED;
|
||||
|
||||
READ_UE_ALLOWED (nr, abs_diff_pic_num_minus1, 0,
|
||||
slice->max_pic_num - 1);
|
||||
} else if (modification_of_pic_nums_idc == 2) {
|
||||
guint32 long_term_pic_num;
|
||||
|
||||
READ_UE (nr, long_term_pic_num);
|
||||
}
|
||||
} while (modification_of_pic_nums_idc != 3);
|
||||
if (list == 0) {
|
||||
entries = slice->ref_pic_list_modification_l0;
|
||||
ref_pic_list_modification_flag = &slice->ref_pic_list_modification_flag_l0;
|
||||
} else {
|
||||
entries = slice->ref_pic_list_modification_l1;
|
||||
ref_pic_list_modification_flag = &slice->ref_pic_list_modification_flag_l1;
|
||||
}
|
||||
|
||||
if (GST_H264_IS_B_SLICE (slice)) {
|
||||
guint8 ref_pic_list_modification_flag_l1;
|
||||
guint32 modification_of_pic_nums_idc;
|
||||
|
||||
READ_UINT8 (nr, ref_pic_list_modification_flag_l1, 1);
|
||||
if (ref_pic_list_modification_flag_l1)
|
||||
do {
|
||||
READ_UE (nr, modification_of_pic_nums_idc);
|
||||
if (modification_of_pic_nums_idc == 0
|
||||
|| modification_of_pic_nums_idc == 1) {
|
||||
guint32 abs_diff_num_minus1;
|
||||
|
||||
READ_UE (nr, abs_diff_num_minus1);
|
||||
} else if (modification_of_pic_nums_idc == 2) {
|
||||
guint32 long_term_pic_num;
|
||||
|
||||
READ_UE (nr, long_term_pic_num);
|
||||
}
|
||||
} while (modification_of_pic_nums_idc != 3);
|
||||
}
|
||||
READ_UINT8 (nr, *ref_pic_list_modification_flag, 1);
|
||||
do {
|
||||
READ_UE (nr, modification_of_pic_nums_idc);
|
||||
if (modification_of_pic_nums_idc == 0 || modification_of_pic_nums_idc == 1) {
|
||||
READ_UE_ALLOWED (nr, entries[i].value.abs_diff_pic_num_minus1, 0,
|
||||
slice->max_pic_num - 1);
|
||||
} else if (modification_of_pic_nums_idc == 2) {
|
||||
READ_UE (nr, entries[i].value.long_term_pic_num);
|
||||
}
|
||||
} while (modification_of_pic_nums_idc != 3);
|
||||
|
||||
return TRUE;
|
||||
|
||||
error:
|
||||
GST_WARNING ("error parsing \"Reference picture list modification\"");
|
||||
GST_WARNING ("error parsing \"Reference picture list %u modification\"",
|
||||
list);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
slice_parse_ref_pic_list_modification (GstH264SliceHdr * slice, NalReader * nr)
|
||||
{
|
||||
if (!GST_H264_IS_I_SLICE (slice) && !GST_H264_IS_SI_SLICE (slice)) {
|
||||
if (!slice_parse_ref_pic_list_modification_1 (slice, nr, 0))
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
if (GST_H264_IS_B_SLICE (slice)) {
|
||||
if (!slice_parse_ref_pic_list_modification_1 (slice, nr, 1))
|
||||
return FALSE;
|
||||
}
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_h264_slice_parse_dec_ref_pic_marking (GstH264SliceHdr * slice,
|
||||
GstH264NalUnit * nalu, NalReader * nr)
|
||||
|
|
|
@ -168,24 +168,25 @@ typedef enum
|
|||
GST_H264_S_SI_SLICE = 9
|
||||
} GstH264SliceType;
|
||||
|
||||
typedef struct _GstH264NalParser GstH264NalParser;
|
||||
typedef struct _GstH264NalParser GstH264NalParser;
|
||||
|
||||
typedef struct _GstH264NalUnit GstH264NalUnit;
|
||||
typedef struct _GstH264NalUnit GstH264NalUnit;
|
||||
|
||||
typedef struct _GstH264SPS GstH264SPS;
|
||||
typedef struct _GstH264PPS GstH264PPS;
|
||||
typedef struct _GstH264HRDParams GstH264HRDParams;
|
||||
typedef struct _GstH264VUIParams GstH264VUIParams;
|
||||
typedef struct _GstH264SPS GstH264SPS;
|
||||
typedef struct _GstH264PPS GstH264PPS;
|
||||
typedef struct _GstH264HRDParams GstH264HRDParams;
|
||||
typedef struct _GstH264VUIParams GstH264VUIParams;
|
||||
|
||||
typedef struct _GstH264DecRefPicMarking GstH264DecRefPicMarking;
|
||||
typedef struct _GstH264RefPicMarking GstH264RefPicMarking;
|
||||
typedef struct _GstH264PredWeightTable GstH264PredWeightTable;
|
||||
typedef struct _GstH264SliceHdr GstH264SliceHdr;
|
||||
typedef struct _GstH264RefPicListModification GstH264RefPicListModification;
|
||||
typedef struct _GstH264DecRefPicMarking GstH264DecRefPicMarking;
|
||||
typedef struct _GstH264RefPicMarking GstH264RefPicMarking;
|
||||
typedef struct _GstH264PredWeightTable GstH264PredWeightTable;
|
||||
typedef struct _GstH264SliceHdr GstH264SliceHdr;
|
||||
|
||||
typedef struct _GstH264ClockTimestamp GstH264ClockTimestamp;
|
||||
typedef struct _GstH264PicTiming GstH264PicTiming;
|
||||
typedef struct _GstH264BufferingPeriod GstH264BufferingPeriod;
|
||||
typedef struct _GstH264SEIMessage GstH264SEIMessage;
|
||||
typedef struct _GstH264ClockTimestamp GstH264ClockTimestamp;
|
||||
typedef struct _GstH264PicTiming GstH264PicTiming;
|
||||
typedef struct _GstH264BufferingPeriod GstH264BufferingPeriod;
|
||||
typedef struct _GstH264SEIMessage GstH264SEIMessage;
|
||||
|
||||
/**
|
||||
* GstH264NalUnit:
|
||||
|
@ -485,6 +486,18 @@ struct _GstH264PPS
|
|||
gboolean valid;
|
||||
};
|
||||
|
||||
struct _GstH264RefPicListModification
|
||||
{
|
||||
guint8 modification_of_pic_nums_idc;
|
||||
union
|
||||
{
|
||||
/* if modification_of_pic_nums_idc == 0 || 1 */
|
||||
guint32 abs_diff_pic_num_minus1;
|
||||
/* if modification_of_pic_nums_idc == 2 */
|
||||
guint32 long_term_pic_num;
|
||||
} value;
|
||||
};
|
||||
|
||||
struct _GstH264PredWeightTable
|
||||
{
|
||||
guint8 luma_log2_weight_denom;
|
||||
|
@ -559,6 +572,11 @@ struct _GstH264SliceHdr
|
|||
guint8 num_ref_idx_l0_active_minus1;
|
||||
guint8 num_ref_idx_l1_active_minus1;
|
||||
|
||||
guint8 ref_pic_list_modification_flag_l0;
|
||||
GstH264RefPicListModification ref_pic_list_modification_l0[32];
|
||||
guint8 ref_pic_list_modification_flag_l1;
|
||||
GstH264RefPicListModification ref_pic_list_modification_l1[32];
|
||||
|
||||
GstH264PredWeightTable pred_weight_table;
|
||||
/* if nal_unit.ref_idc != 0 */
|
||||
GstH264DecRefPicMarking dec_ref_pic_marking;
|
||||
|
|
Loading…
Reference in a new issue