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theoradec: use the right GstVideoInfo

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Keep track if we use the cropped or uncropped dimensions in the bufferpool and
map using the right GstVideoInfo.
This commit is contained in:
Wim Taymans 2012-03-02 10:25:06 +01:00
parent a80c82cd80
commit f89c85485d
2 changed files with 22 additions and 19 deletions
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40
ext/theora/gsttheoradec.c
View file

@ -775,9 +775,14 @@ theora_negotiate_pool (GstTheoraDec * dec)
guint size, min, max, prefix, alignment;
GstStructure *config;
GstCaps *caps;
GstVideoInfo info;
/* find the caps of the output buffer */
caps = gst_pad_get_current_caps (dec->srcpad);
/* for the output caps we always take the cropped dimensions */
info = dec->vinfo;
gst_video_info_set_format (&info, GST_VIDEO_INFO_FORMAT (&info),
dec->info.pic_width, dec->info.pic_height);
caps = gst_video_info_to_caps (&info);
gst_pad_set_caps (dec->srcpad, caps);
/* find a pool for the negotiated caps now */
query = gst_query_new_allocation (caps, TRUE);
@ -787,6 +792,10 @@ theora_negotiate_pool (GstTheoraDec * dec)
/* we got configuration from our peer, parse them */
gst_query_parse_allocation_params (query, &size, &min, &max, &prefix,
&alignment, &pool);
/* check if downstream supports cropping */
dec->has_cropping =
gst_query_has_allocation_meta (query, GST_VIDEO_CROP_META_API_TYPE);
} else {
GST_DEBUG_OBJECT (dec, "didn't get downstream ALLOCATION hints");
size = 0;
@ -794,6 +803,7 @@ theora_negotiate_pool (GstTheoraDec * dec)
prefix = 0;
alignment = 0;
pool = NULL;
dec->has_cropping = FALSE;
}
if (pool == NULL) {
@ -805,17 +815,17 @@ theora_negotiate_pool (GstTheoraDec * dec)
gst_object_unref (dec->pool);
dec->pool = pool;
/* check if downstream supports cropping */
dec->has_cropping =
gst_query_has_allocation_meta (query, GST_VIDEO_CROP_META_API_TYPE);
if (dec->has_cropping) {
dec->outinfo = dec->vinfo;
/* we can crop, configure the pool with buffers of caps and size of the
* decoded picture size and then crop them with metadata */
size = MAX (size, GST_VIDEO_INFO_SIZE (&dec->vinfo));
gst_caps_unref (caps);
caps = gst_video_info_to_caps (&dec->vinfo);
} else {
/* no cropping, use cropped videoinfo */
dec->outinfo = info;
}
size = MAX (size, GST_VIDEO_INFO_SIZE (&dec->outinfo));
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set (config, caps, size, min, max, prefix, alignment);
@ -840,12 +850,10 @@ theora_negotiate_pool (GstTheoraDec * dec)
static GstFlowReturn
theora_handle_type_packet (GstTheoraDec * dec, ogg_packet * packet)
{
GstCaps *caps;
GstVideoFormat format;
gint par_num, par_den;
GstFlowReturn ret = GST_FLOW_OK;
GList *walk;
GstVideoInfo info;
GST_DEBUG_OBJECT (dec, "fps %d/%d, PAR %d/%d",
dec->info.fps_numerator, dec->info.fps_denominator,
@ -953,16 +961,10 @@ theora_handle_type_packet (GstTheoraDec * dec, ogg_packet * packet)
break;
}
/* for the output caps we always take the cropped dimensions */
info = dec->vinfo;
gst_video_info_set_format (&info, format, dec->info.pic_width,
dec->info.pic_height);
caps = gst_video_info_to_caps (&info);
gst_pad_set_caps (dec->srcpad, caps);
gst_caps_unref (caps);
/* remove reconfigure flag now */
gst_pad_check_reconfigure (dec->srcpad);
/* make sure we negotiate a bufferpool */
gst_pad_mark_reconfigure (dec->srcpad);
theora_negotiate_pool (dec);
dec->have_header = TRUE;
@ -1119,7 +1121,7 @@ theora_handle_image (GstTheoraDec * dec, th_ycbcr_buffer buf, GstBuffer ** out)
if (G_UNLIKELY (result != GST_FLOW_OK))
goto no_buffer;
if (!gst_video_frame_map (&frame, &dec->vinfo, *out, GST_MAP_WRITE))
if (!gst_video_frame_map (&frame, &dec->outinfo, *out, GST_MAP_WRITE))
goto invalid_frame;
if (!dec->has_cropping) {

1
ext/theora/gsttheoradec.h
View file

@ -70,6 +70,7 @@ struct _GstTheoraDec
guint64 frame_nr;
gboolean need_keyframe;
GstVideoInfo vinfo;
GstVideoInfo outinfo;
gint output_bpp;
GstBufferPool *pool;