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jpegenc: check _alloc_buffer result and perform fallback alloc if needed

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... rather than carrying on with NULL buffer.
This commit is contained in:
Mark Nauwelaerts 2012-01-20 16:44:21 +01:00
parent 9ae5ddd8f9
commit ad11ec4121
1 changed files with 9 additions and 1 deletions
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10
ext/jpeg/gstjpegenc.c
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@ -210,15 +210,23 @@ gst_jpegenc_flush_destination (j_compress_ptr cinfo)
GstBuffer *overflow_buffer;
guint32 old_buffer_size;
GstJpegEnc *jpegenc = (GstJpegEnc *) (cinfo->client_data);
GstFlowReturn ret;
GST_DEBUG_OBJECT (jpegenc,
"gst_jpegenc_chain: flush_destination: buffer too small");
/* Our output buffer wasn't big enough.
* Make a new buffer that's twice the size, */
old_buffer_size = GST_BUFFER_SIZE (jpegenc->output_buffer);
gst_pad_alloc_buffer_and_set_caps (jpegenc->srcpad,
ret = gst_pad_alloc_buffer_and_set_caps (jpegenc->srcpad,
GST_BUFFER_OFFSET_NONE, old_buffer_size * 2,
GST_PAD_CAPS (jpegenc->srcpad), &overflow_buffer);
/* handle here if needed */
if (ret != GST_FLOW_OK) {
overflow_buffer = gst_buffer_new_and_alloc (old_buffer_size * 2);
gst_buffer_set_caps (overflow_buffer, GST_PAD_CAPS (jpegenc->srcpad));
}
memcpy (GST_BUFFER_DATA (overflow_buffer),
GST_BUFFER_DATA (jpegenc->output_buffer), old_buffer_size);