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decoder: update gst_vaapi_decoder_get_surface() semantics.

Browse source 
Align gst_vaapi_decoder_get_surface() semantics with the rest of the
API. That is, return a GstVaapiDecoderStatus and the decoded surface
as a handle to GstVaapiSurfaceProxy in parameter.

This is an API/ABI change.
This commit is contained in:
Gwenole Beauchesne 2012-12-12 13:44:07 +01:00
parent 798e84bd93
commit 14a6e0f629
4 changed files with 24 additions and 25 deletions
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33
gst-libs/gst/vaapi/gstvaapidecoder.c
View file

@ -582,28 +582,28 @@ gst_vaapi_decoder_put_buffer(GstVaapiDecoder *decoder, GstBuffer *buf)
/**
* gst_vaapi_decoder_get_surface:
* @decoder: a #GstVaapiDecoder
* @pstatus: return location for the decoder status, or %NULL
* @out_proxy_ptr: the next decoded surface as a #GstVaapiSurfaceProxy
*
* Flushes encoded buffers to the decoder and returns a decoded
* surface, if any.
*
* Return value: a #GstVaapiSurfaceProxy holding the decoded surface,
* or %NULL if none is available (e.g. an error). Caller owns the
* returned object. g_object_unref() after usage.
* On successful return, *@out_proxy_ptr contains the decoded surface
* as a #GstVaapiSurfaceProxy. The caller owns this object, so
* gst_vaapi_surface_proxy_unref() shall be called after usage.
*
* Return value: a #GstVaapiDecoderStatus
*/
GstVaapiSurfaceProxy *
gst_vaapi_decoder_get_surface(
GstVaapiDecoder *decoder,
GstVaapiDecoderStatus *pstatus
)
GstVaapiDecoderStatus
gst_vaapi_decoder_get_surface(GstVaapiDecoder *decoder,
GstVaapiSurfaceProxy **out_proxy_ptr)
{
GstVaapiSurfaceProxy *proxy;
GstVaapiDecoderStatus status;
if (pstatus)
*pstatus = GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
g_return_val_if_fail(GST_VAAPI_IS_DECODER(decoder), NULL);
g_return_val_if_fail(GST_VAAPI_IS_DECODER(decoder),
GST_VAAPI_DECODER_STATUS_ERROR_INVALID_PARAMETER);
g_return_val_if_fail(out_proxy_ptr != NULL,
GST_VAAPI_DECODER_STATUS_ERROR_INVALID_PARAMETER);
proxy = pop_surface(decoder);
if (!proxy) {
@ -615,10 +615,11 @@ gst_vaapi_decoder_get_surface(
if (proxy)
status = GST_VAAPI_DECODER_STATUS_SUCCESS;
else if (status == GST_VAAPI_DECODER_STATUS_SUCCESS)
status = GST_VAAPI_DECODER_STATUS_ERROR_NO_DATA;
if (pstatus)
*pstatus = status;
return proxy;
*out_proxy_ptr = proxy;
return status;
}
void

8
gst-libs/gst/vaapi/gstvaapidecoder.h
View file

@ -137,11 +137,9 @@ gst_vaapi_decoder_get_caps(GstVaapiDecoder *decoder);
gboolean
gst_vaapi_decoder_put_buffer(GstVaapiDecoder *decoder, GstBuffer *buf);
GstVaapiSurfaceProxy *
gst_vaapi_decoder_get_surface(
GstVaapiDecoder *decoder,
GstVaapiDecoderStatus *pstatus
);
GstVaapiDecoderStatus
gst_vaapi_decoder_get_surface(GstVaapiDecoder *decoder,
GstVaapiSurfaceProxy **out_proxy_ptr);
GstVaapiDecoderStatus
gst_vaapi_decoder_parse(GstVaapiDecoder *decoder,

4
tests/test-decode.c
View file

@ -179,8 +179,8 @@ main(int argc, char *argv[])
if (!gst_vaapi_decoder_put_buffer(decoder, NULL))
g_error("could not send EOS to the decoder");
proxy = gst_vaapi_decoder_get_surface(decoder, &status);
if (!proxy)
status = gst_vaapi_decoder_get_surface(decoder, &proxy);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
g_error("could not get decoded surface (decoder status %d)", status);
gst_vaapi_window_show(window);

4
tests/test-subpicture.c
View file

@ -157,8 +157,8 @@ main(int argc, char *argv[])
if (!gst_vaapi_decoder_put_buffer(decoder, NULL))
g_error("could not send EOS to the decoder");
proxy = gst_vaapi_decoder_get_surface(decoder, &status);
if (!proxy)
status = gst_vaapi_decoder_get_surface(decoder, &proxy);
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
g_error("could not get decoded surface (decoder status %d)", status);
surface = gst_vaapi_surface_proxy_get_surface(proxy);