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h264parse: parser init & finalize

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This commit is contained in:
Lin YANG 2009-08-17 17:56:26 +08:00 committed by Sebastian Dröge
parent d0273eec2c
commit 550f60111c
2 changed files with 48 additions and 0 deletions
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30
gst/h264parse/gsth264parse.c
View file

@ -810,6 +810,7 @@ gst_h264_parse_class_init (GstH264ParseClass * klass)
static void
gst_h264_parse_init (GstH264Parse * h264parse, GstH264ParseClass * g_class)
{
gint i;
h264parse->sinkpad = gst_pad_new_from_static_template (&sinktemplate, "sink");
gst_pad_set_chain_function (h264parse->sinkpad,
GST_DEBUG_FUNCPTR (gst_h264_parse_chain));
@ -824,17 +825,46 @@ gst_h264_parse_init (GstH264Parse * h264parse, GstH264ParseClass * g_class)
h264parse->split_packetized = DEFAULT_SPLIT_PACKETIZED;
h264parse->adapter = gst_adapter_new ();
for (i = 0; i < MAX_SPS_COUNT; i++)
h264parse->sps_buffers[i] = NULL;
h264parse->sps = NULL;
h264parse->first_mb_in_slice = -1;
h264parse->slice_type = -1;
h264parse->pps_id = -1;
h264parse->frame_num = -1;
h264parse->field_pic_flag = FALSE;
h264parse->bottom_field_flag = FALSE;
for (i = 0; i < 32; i++)
h264parse->initial_cpb_removal_delay[i] = -1;
h264parse->sei_cpb_removal_delay = 0;
h264parse->sei_dpb_output_delay = 0;
h264parse->sei_pic_struct = -1;
h264parse->sei_ct_type = -1;
h264parse->dts = GST_CLOCK_TIME_NONE;
h264parse->ts_trn_nb = GST_CLOCK_TIME_NONE;
h264parse->cur_duration = 0;
h264parse->last_outbuf_dts = GST_CLOCK_TIME_NONE;
}
static void
gst_h264_parse_finalize (GObject * object)
{
GstH264Parse *h264parse;
gint i;
h264parse = GST_H264PARSE (object);
g_object_unref (h264parse->adapter);
for (i = 0; i < MAX_SPS_COUNT; i++) {
if (h264parse->sps_buffers[i] != NULL)
g_slice_free (GstH264Sps, h264parse->sps_buffers[i]);
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}

18
gst/h264parse/gsth264parse.h
View file

@ -49,6 +49,15 @@ typedef struct _GstH264Pps GstH264Pps;
#define MAX_SPS_COUNT 32
#define MAX_PPS_COUNT 32
#define CLOCK_BASE 9LL
#define CLOCK_FREQ (CLOCK_BASE * 10000)
#define MPEGTIME_TO_GSTTIME(time) (gst_util_uint64_scale ((time), \
GST_MSECOND/10, CLOCK_BASE))
#define GSTTIME_TO_MPEGTIME(time) (gst_util_uint64_scale ((time), \
CLOCK_BASE, GST_MSECOND/10))
struct _GstH264Parse
{
GstElement element;
@ -98,6 +107,15 @@ struct _GstH264Parse
guint8 sei_pic_struct;
guint8 sei_ct_type;
/* And more... */
/* cached timestamps */
GstClockTime dts;
GstClockTime last_outbuf_dts;
GstClockTime ts_trn_nb; /* dts of last buffering period */
GstClockTime cur_duration; /* duration of the current access unit */
/* for debug purpose */
guint32 frame_cnt;
};
struct _GstH264ParseClass