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mpeg2dec: use gst_pad_alloc_buffer() when cropping buffers

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This commit is contained in:
Tim-Philipp Müller 2010-12-29 22:17:50 +00:00
parent a3eaf04778
commit 9a2de96836
1 changed files with 13 additions and 4 deletions
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17
ext/mpeg2dec/gstmpeg2dec.c
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@ -319,9 +319,10 @@ gst_mpeg2dec_get_index (GstElement * element)
}
#endif
static gboolean
static GstFlowReturn
gst_mpeg2dec_crop_buffer (GstMpeg2dec * dec, GstBuffer ** buf)
{
GstFlowReturn flow_ret;
GstBuffer *inbuf = *buf;
GstBuffer *outbuf;
guint outsize, c;
@ -332,7 +333,11 @@ gst_mpeg2dec_crop_buffer (GstMpeg2dec * dec, GstBuffer ** buf)
"%ux%u (%u)", dec->decoded_width, dec->decoded_height,
GST_BUFFER_SIZE (inbuf), dec->width, dec->height, outsize);
outbuf = gst_buffer_new_and_alloc (outsize);
flow_ret = gst_pad_alloc_buffer_and_set_caps (dec->srcpad,
GST_BUFFER_OFFSET_NONE, outsize, GST_PAD_CAPS (dec->srcpad), &outbuf);
if (G_UNLIKELY (flow_ret != GST_FLOW_OK))
return flow_ret;
for (c = 0; c < 3; c++) {
const guint8 *src;
@ -369,7 +374,7 @@ gst_mpeg2dec_crop_buffer (GstMpeg2dec * dec, GstBuffer ** buf)
gst_buffer_unref (*buf);
*buf = outbuf;
return TRUE;
return GST_FLOW_OK;
}
static GstFlowReturn
@ -930,7 +935,9 @@ handle_slice (GstMpeg2dec * mpeg2dec, const mpeg2_info_t * info)
if (mpeg2dec->decoded_width != mpeg2dec->width ||
mpeg2dec->decoded_height != mpeg2dec->height) {
GST_DEBUG_OBJECT (mpeg2dec, "cropping buffer");
gst_mpeg2dec_crop_buffer (mpeg2dec, &outbuf);
ret = gst_mpeg2dec_crop_buffer (mpeg2dec, &outbuf);
if (ret != GST_FLOW_OK)
goto done;
}
if (mpeg2dec->segment.rate >= 0.0) {
@ -953,6 +960,8 @@ handle_slice (GstMpeg2dec * mpeg2dec, const mpeg2_info_t * info)
ret = GST_FLOW_OK;
}
done:
return ret;
/* special cases */