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ext/theora/theoraenc.c (theora_buffer_from_packet, theora_enc_chain): Don't use pad_alloc_buffer_and_set_caps to crea...

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Original commit message from CVS:
* ext/theora/theoraenc.c (theora_buffer_from_packet, theora_enc_chain):
Don't use pad_alloc_buffer_and_set_caps to create a small header
packet, or, worse, to create a big temporary video buffer using the
src pad.
This commit is contained in:
Thomas Vander Stichele 2007-04-15 14:35:53 +00:00
parent 66a6f3413c
commit 096abcf3d6
2 changed files with 26 additions and 17 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2007-04-15 Thomas Vander Stichele <thomas at apestaart dot org>
* ext/theora/theoraenc.c (theora_buffer_from_packet, theora_enc_chain):
Don't use pad_alloc_buffer_and_set_caps to create a small header
packet, or, worse, to create a big temporary video buffer using the
src pad.
2007-04-14 Thomas Vander Stichele <thomas at apestaart dot org>
* gst/gdp/gstgdppay.c (gst_gdp_pay_chain):

36
ext/theora/theoraenc.c
View file

@ -420,14 +420,17 @@ theora_buffer_from_packet (GstTheoraEnc * enc, ogg_packet * packet,
GstClockTime timestamp, GstClockTime duration, GstBuffer ** buffer)
{
GstBuffer *buf;
GstFlowReturn ret;
GstFlowReturn ret = GST_FLOW_OK;
ret = gst_pad_alloc_buffer_and_set_caps (enc->srcpad,
GST_BUFFER_OFFSET_NONE, packet->bytes, GST_PAD_CAPS (enc->srcpad), &buf);
if (ret != GST_FLOW_OK)
goto no_buffer;
buf = gst_buffer_new_and_alloc (packet->bytes);
if (!buf) {
GST_WARNING_OBJECT (enc, "Could not allocate buffer");
ret = GST_FLOW_ERROR;
goto done;
}
memcpy (GST_BUFFER_DATA (buf), packet->packet, packet->bytes);
gst_buffer_set_caps (buf, GST_PAD_CAPS (enc->srcpad));
/* see ext/ogg/README; OFFSET_END takes "our" granulepos, OFFSET its
* time representation */
GST_BUFFER_OFFSET_END (buf) =
@ -453,14 +456,9 @@ theora_buffer_from_packet (GstTheoraEnc * enc, ogg_packet * packet,
}
enc->packetno++;
done:
*buffer = buf;
return ret;
no_buffer:
{
*buffer = NULL;
return ret;
}
}
/* push out the buffer and do internal bookkeeping */
@ -610,14 +608,15 @@ theora_enc_chain (GstPad * pad, GstBuffer * buffer)
in_time = GST_BUFFER_TIMESTAMP (buffer);
/* no packets written yet, setup headers */
if (enc->packetno == 0) {
/* no packets written yet, setup headers */
GstCaps *caps;
GstBuffer *buf1, *buf2, *buf3;
enc->granulepos_offset = 0;
enc->timestamp_offset = 0;
GST_DEBUG_OBJECT (enc, "output headers");
/* Theora streams begin with three headers; the initial header (with
most of the codec setup parameters) which is mandated by the Ogg
bitstream spec. The second header holds any comment fields. The
@ -717,6 +716,7 @@ theora_enc_chain (GstPad * pad, GstBuffer * buffer)
y_size = enc->info_width * enc->info_height;
if (enc->width == enc->info_width && enc->height == enc->info_height) {
GST_LOG_OBJECT (enc, "no cropping/conversion needed");
/* easy case, no cropping/conversion needed */
pixels = GST_BUFFER_DATA (buffer);
@ -735,6 +735,7 @@ theora_enc_chain (GstPad * pad, GstBuffer * buffer)
gint cwidth, cheight;
gint offset_x, right_x, right_border;
GST_LOG_OBJECT (enc, "cropping/conversion needed for strides");
/* source width/height */
width = enc->width;
height = enc->height;
@ -750,11 +751,13 @@ theora_enc_chain (GstPad * pad, GstBuffer * buffer)
dst_y_stride = enc->info_width;
dst_uv_stride = enc->info_width / 2;
ret = gst_pad_alloc_buffer_and_set_caps (enc->srcpad,
GST_BUFFER_OFFSET_NONE, y_size * 3 / 2, GST_PAD_CAPS (enc->srcpad),
&newbuf);
if (ret != GST_FLOW_OK)
newbuf = gst_buffer_new_and_alloc (y_size * 3 / 2);
if (!newbuf) {
ret = GST_FLOW_ERROR;
goto no_buffer;
}
GST_BUFFER_OFFSET (newbuf) = GST_BUFFER_OFFSET_NONE;
gst_buffer_set_caps (newbuf, GST_PAD_CAPS (enc->srcpad));
dest_y = yuv.y = GST_BUFFER_DATA (newbuf);
dest_u = yuv.u = yuv.y + y_size;
@ -891,7 +894,6 @@ header_push:
}
no_buffer:
{
gst_buffer_unref (buffer);
return ret;
}
data_push: