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mpeg2dec: Implement interlaced support.

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Expand the debugging statements to show more picture information.
This commit is contained in:
Edward Hervey 2009-05-12 11:44:13 +02:00
parent 40c87181c5
commit 8905e8c81e
2 changed files with 26 additions and 3 deletions
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27
ext/mpeg2dec/gstmpeg2dec.c
View file

@ -601,7 +601,8 @@ gst_mpeg2dec_negotiate_format (GstMpeg2dec * mpeg2dec)
"height", G_TYPE_INT, mpeg2dec->height,
"pixel-aspect-ratio", GST_TYPE_FRACTION, mpeg2dec->pixel_width,
mpeg2dec->pixel_height,
"framerate", GST_TYPE_FRACTION, mpeg2dec->fps_n, mpeg2dec->fps_d, NULL);
"framerate", GST_TYPE_FRACTION, mpeg2dec->fps_n, mpeg2dec->fps_d,
"interlaced", G_TYPE_BOOLEAN, mpeg2dec->interlaced, NULL);
gst_pad_set_caps (mpeg2dec->srcpad, caps);
gst_caps_unref (caps);
@ -658,6 +659,9 @@ handle_sequence (GstMpeg2dec * mpeg2dec, const mpeg2_info_t * info)
mpeg2dec->fps_d = info->sequence->frame_period;
mpeg2dec->frame_period = info->sequence->frame_period * GST_USECOND / 27;
mpeg2dec->interlaced =
!(info->sequence->flags & SEQ_FLAG_PROGRESSIVE_SEQUENCE);
GST_DEBUG_OBJECT (mpeg2dec,
"sequence flags: %d, frame period: %d (%g), frame rate: %d/%d",
info->sequence->flags, info->sequence->frame_period,
@ -668,6 +672,13 @@ handle_sequence (GstMpeg2dec * mpeg2dec, const mpeg2_info_t * info)
GST_DEBUG_OBJECT (mpeg2dec, "transfer chars: %d, matrix coef: %d",
info->sequence->transfer_characteristics,
info->sequence->matrix_coefficients);
GST_DEBUG_OBJECT (mpeg2dec,
"FLAGS: CONSTRAINED_PARAMETERS:%d, PROGRESSIVE_SEQUENCE:%d",
info->sequence->flags & SEQ_FLAG_CONSTRAINED_PARAMETERS,
info->sequence->flags & SEQ_FLAG_PROGRESSIVE_SEQUENCE);
GST_DEBUG_OBJECT (mpeg2dec, "FLAGS: LOW_DELAY:%d, COLOUR_DESCRIPTION:%d",
info->sequence->flags & SEQ_FLAG_LOW_DELAY,
info->sequence->flags & SEQ_FLAG_COLOUR_DESCRIPTION);
if (!gst_mpeg2dec_negotiate_format (mpeg2dec))
goto negotiate_failed;
@ -927,11 +938,20 @@ handle_slice (GstMpeg2dec * mpeg2dec, const mpeg2_info_t * info)
}
mpeg2dec->next_time += GST_BUFFER_DURATION (outbuf);
if (picture->flags & PIC_FLAG_TOP_FIELD_FIRST)
GST_BUFFER_FLAG_SET (outbuf, GST_VIDEO_BUFFER_TFF);
if (picture->flags & PIC_FLAG_REPEAT_FIRST_FIELD)
GST_BUFFER_FLAG_SET (outbuf, GST_VIDEO_BUFFER_RFF);
GST_DEBUG_OBJECT (mpeg2dec,
"picture: %s %s fields:%d off:%" G_GINT64_FORMAT " ts:%"
"picture: %s %s %s %s %s fields:%d off:%" G_GINT64_FORMAT " ts:%"
GST_TIME_FORMAT,
(picture->flags & PIC_FLAG_TOP_FIELD_FIRST ? "tff " : " "),
(picture->flags & PIC_FLAG_PROGRESSIVE_FRAME ? "prog" : " "),
(picture->flags & PIC_FLAG_TOP_FIELD_FIRST ? "tff" : " "),
(picture->flags & PIC_FLAG_REPEAT_FIRST_FIELD ? "rff" : " "),
(picture->flags & PIC_FLAG_SKIP ? "skip" : " "),
(picture->flags & PIC_FLAG_COMPOSITE_DISPLAY ? "composite" : " "),
picture->nb_fields, GST_BUFFER_OFFSET (outbuf),
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf)));
@ -989,6 +1009,7 @@ handle_slice (GstMpeg2dec * mpeg2dec, const mpeg2_info_t * info)
outbuf,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf)),
GST_TIME_ARGS (GST_BUFFER_DURATION (outbuf)));
GST_LOG_OBJECT (mpeg2dec, "... with flags %x", GST_BUFFER_FLAGS (outbuf));
ret = gst_pad_push (mpeg2dec->srcpad, outbuf);
GST_DEBUG_OBJECT (mpeg2dec, "pushed with result %s",

2
ext/mpeg2dec/gstmpeg2dec.h
View file

@ -23,6 +23,7 @@
#include <gst/gst.h>
#include <gst/video/video.h>
#include <mpeg2.h>
G_BEGIN_DECLS
@ -96,6 +97,7 @@ struct _GstMpeg2dec {
gint frame_rate_code;
gint64 total_frames;
gint64 frame_period;
gboolean interlaced;
gint size;
gint u_offs;