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Code Issues Releases Activity

avfilter: document request_frame return codes.

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Nicolas George
2012-04-17 18:26:44 +02:00
parent 73bc019baf
commit 78ac49c233
1 changed files with 6 additions and 1 deletions
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7
libavfilter/avfilter.h
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@@ -451,6 +451,8 @@ struct AVFilterPad {
* Frame request callback. A call to this should result in at least one * Frame request callback. A call to this should result in at least one
* frame being output over the given link. This should return zero on * frame being output over the given link. This should return zero on
* success, and another value on error. * success, and another value on error.
* See avfilter_request_frame() for the error codes with a specific
* meaning.
* *
* Output video pads only. * Output video pads only.
*/ */
@@ -777,7 +779,10 @@ avfilter_get_audio_buffer_ref_from_arrays(uint8_t *data[8], int linesize[8], int
* Request an input frame from the filter at the other end of the link. * Request an input frame from the filter at the other end of the link.
* *
* @param link the input link * @param link the input link
* @return zero on success * @return zero on success or a negative error code; in particular:
* AVERROR_EOF means that the end of frames have been reached;
* AVERROR(EAGAIN) means that no frame could be immediately
* produced.
*/ */
int avfilter_request_frame(AVFilterLink *link); int avfilter_request_frame(AVFilterLink *link);