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ext/mpeg2dec/gstmpeg2dec.c: Small cleanups in refcounting.

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Original commit message from CVS:
* ext/mpeg2dec/gstmpeg2dec.c: (gst_mpeg2dec_negotiate_format),
(handle_sequence), (handle_slice), (gst_mpeg2dec_chain),
(gst_mpeg2dec_src_query), (gst_mpeg2dec_change_state):
Small cleanups in refcounting.
This commit is contained in:
Wim Taymans 2005-10-27 17:26:13 +00:00
parent 535cd3d2fa
commit 65d9a9f173
2 changed files with 38 additions and 41 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2005-10-27 Wim Taymans <wim@fluendo.com>
* ext/mpeg2dec/gstmpeg2dec.c: (gst_mpeg2dec_negotiate_format),
(handle_sequence), (handle_slice), (gst_mpeg2dec_chain),
(gst_mpeg2dec_src_query), (gst_mpeg2dec_change_state):
Small cleanups in refcounting.
2005-10-26 Wim Taymans <wim@fluendo.com>
* ext/mpeg2dec/gstmpeg2dec.c: (gst_mpeg2dec_init),

72
ext/mpeg2dec/gstmpeg2dec.c
View file

@ -513,6 +513,7 @@ static gboolean
handle_sequence (GstMpeg2dec * mpeg2dec, const mpeg2_info_t * info)
{
gint i;
GstBuffer *buf;
mpeg2dec->width = info->sequence->picture_width;
mpeg2dec->height = info->sequence->picture_height;
@ -545,9 +546,12 @@ handle_sequence (GstMpeg2dec * mpeg2dec, const mpeg2_info_t * info)
mpeg2_custom_fbuf (mpeg2dec->decoder, 1);
if (!gst_mpeg2dec_alloc_buffer (mpeg2dec, mpeg2dec->offset))
if (!(buf = gst_mpeg2dec_alloc_buffer (mpeg2dec, mpeg2dec->offset)))
return FALSE;
/* libmpeg2 discards first buffer twice for some reason. */
gst_buffer_ref (buf);
mpeg2dec->need_sequence = FALSE;
return TRUE;
@ -593,8 +597,6 @@ static gboolean
handle_slice (GstMpeg2dec * mpeg2dec, const mpeg2_info_t * info)
{
GstBuffer *outbuf = NULL;
gboolean skip = FALSE;
GST_DEBUG_OBJECT (mpeg2dec, "picture slice/end %p %p %p %p",
info->display_fbuf,
@ -604,6 +606,7 @@ handle_slice (GstMpeg2dec * mpeg2dec, const mpeg2_info_t * info)
if (info->display_fbuf && info->display_fbuf->id) {
const mpeg2_picture_t *picture;
gboolean key_frame = FALSE;
GstClockTime time;
outbuf = GST_BUFFER (info->display_fbuf->id);
@ -611,35 +614,39 @@ handle_slice (GstMpeg2dec * mpeg2dec, const mpeg2_info_t * info)
key_frame =
(picture->flags & PIC_MASK_CODING_TYPE) == PIC_FLAG_CODING_TYPE_I;
GST_DEBUG_OBJECT (mpeg2dec, "picture keyframe %d", key_frame);
if (key_frame) {
/* not need for decode GST_BUFFER_FLAG_UNSET (outbuf, GST_BUFFER_DELTA_UNIT); */
/* 0.9 GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_KEY_UNIT); */
}
if (key_frame)
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
else
GST_BUFFER_FLAG_UNSET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
if (mpeg2dec->discont_state == MPEG2DEC_DISC_NEW_KEYFRAME && key_frame)
mpeg2dec->discont_state = MPEG2DEC_DISC_NONE;
time = GST_CLOCK_TIME_NONE;
#if MPEG2_RELEASE < MPEG2_VERSION(0,4,0)
if (picture->flags & PIC_FLAG_PTS) {
GstClockTime time = MPEG_TIME_TO_GST_TIME (picture->pts);
if (picture->flags & PIC_FLAG_PTS)
time = MPEG_TIME_TO_GST_TIME (picture->pts);
#else
if (picture->flags & PIC_FLAG_TAGS) {
GstClockTime time =
MPEG_TIME_TO_GST_TIME ((GstClockTime) (picture->
if (picture->flags & PIC_FLAG_TAGS)
time = MPEG_TIME_TO_GST_TIME ((GstClockTime) (picture->
tag2) << 32 | picture->tag);
#endif
if (time == GST_CLOCK_TIME_NONE) {
time = mpeg2dec->next_time;
GST_DEBUG_OBJECT (mpeg2dec, "picture didn't have pts");
} else {
GST_DEBUG_OBJECT (mpeg2dec,
"picture had pts %" GST_TIME_FORMAT ", we had %"
GST_TIME_FORMAT, GST_TIME_ARGS (time),
GST_TIME_ARGS (mpeg2dec->next_time));
GST_BUFFER_TIMESTAMP (outbuf) = mpeg2dec->next_time = time;
} else {
GST_DEBUG_OBJECT (mpeg2dec,
"picture didn't have pts. Using %" GST_TIME_FORMAT,
GST_TIME_ARGS (mpeg2dec->next_time));
GST_BUFFER_TIMESTAMP (outbuf) = mpeg2dec->next_time;
mpeg2dec->next_time = time;
}
GST_BUFFER_TIMESTAMP (outbuf) = time;
/* TODO set correct offset here based on frame number */
if (info->display_picture_2nd) {
@ -668,23 +675,14 @@ handle_slice (GstMpeg2dec * mpeg2dec, const mpeg2_info_t * info)
if (picture->flags & PIC_FLAG_SKIP) {
GST_DEBUG_OBJECT (mpeg2dec, "dropping buffer because of skip flag");
gst_buffer_unref (outbuf);
} else if (gst_pad_get_negotiated_caps (mpeg2dec->srcpad) == NULL) {
GST_DEBUG_OBJECT (mpeg2dec, "dropping buffer, pad not usable");
gst_buffer_unref (outbuf);
} else if (mpeg2dec->discont_state != MPEG2DEC_DISC_NONE) {
GST_DEBUG_OBJECT (mpeg2dec, "dropping buffer, discont state %d",
mpeg2dec->discont_state);
gst_buffer_unref (outbuf);
} else if (mpeg2dec->next_time < mpeg2dec->segment_start) {
GST_DEBUG_OBJECT (mpeg2dec, "dropping buffer, next_time %"
GST_TIME_FORMAT " < segment_start %" GST_TIME_FORMAT,
GST_TIME_ARGS (mpeg2dec->next_time),
GST_TIME_ARGS (mpeg2dec->segment_start));
gst_buffer_unref (outbuf);
} else if (skip) {
GST_DEBUG_OBJECT (mpeg2dec, "dropping buffer, asked to skip");
gst_buffer_unref (outbuf);
} else {
GST_LOG_OBJECT (mpeg2dec, "pushing buffer, timestamp %"
GST_TIME_FORMAT ", duration %" GST_TIME_FORMAT,
@ -695,24 +693,16 @@ handle_slice (GstMpeg2dec * mpeg2dec, const mpeg2_info_t * info)
(mpeg2dec->decoded_width > mpeg2dec->width))
outbuf = crop_buffer (mpeg2dec, outbuf);
if (info->current_picture
&& (info->current_picture->flags & PIC_MASK_CODING_TYPE) ==
PIC_FLAG_CODING_TYPE_I) {
/* not need for decode GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_DELTA_UNIT); */
/* 0.9 GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_KEY_UNIT); */
} else {
/* not need for decode GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_DELTA_UNIT); */
/* 0.9 GST_BUFFER_FLAG_UNSET (outbuf, GST_BUFFER_KEY_UNIT); */
gst_buffer_ref (outbuf);
gst_pad_push (mpeg2dec->srcpad, outbuf);
}
gst_pad_push (mpeg2dec->srcpad, GST_BUFFER (outbuf));
}
} else if (info->display_fbuf && !info->display_fbuf->id) {
GST_ELEMENT_ERROR (mpeg2dec, LIBRARY, TOO_LAZY, (NULL),
("libmpeg2 reported invalid buffer %p", info->discard_fbuf->id));
}
if (info->discard_fbuf && info->discard_fbuf->id) {
GST_DEBUG_OBJECT (mpeg2dec, "Discarded buffer %p", info->discard_fbuf->id);
GstBuffer *discard = GST_BUFFER (info->discard_fbuf->id);
gst_buffer_unref (discard);
GST_DEBUG_OBJECT (mpeg2dec, "Discarded buffer %p", discard);
}
return TRUE;
}