[FFmpeg-devel] [PATCH 01/19] lavc/avcodec: improve enc/dec API doxy
Anton Khirnov
anton at khirnov.net
Wed Jan 25 18:55:19 EET 2023
Change return value descriptions into proper lists.
---
libavcodec/avcodec.h | 81 +++++++++++++++++++++++---------------------
1 file changed, 42 insertions(+), 39 deletions(-)
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 0ac581d660..f3ca41f126 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2605,17 +2605,18 @@ int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
* still has frames buffered, it will return them after sending
* a flush packet.
*
- * @return 0 on success, otherwise negative error code:
- * AVERROR(EAGAIN): input is not accepted in the current state - user
- * must read output with avcodec_receive_frame() (once
- * all output is read, the packet should be resent, and
- * the call will not fail with EAGAIN).
- * AVERROR_EOF: the decoder has been flushed, and no new packets can
- * be sent to it (also returned if more than 1 flush
- * packet is sent)
- * AVERROR(EINVAL): codec not opened, it is an encoder, or requires flush
- * AVERROR(ENOMEM): failed to add packet to internal queue, or similar
- * other errors: legitimate decoding errors
+ * @return
+ * - 0: success
+ * - AVERROR(EAGAIN): input is not accepted in the current state - user must
+ * read output with avcodec_receive_frame() (once all
+ * output is read, the packet should be resent, and the
+ * call will not fail with EAGAIN).
+ * - AVERROR_EOF: the decoder has been flushed, and no new packets can be
+ * sent to it (also returned if more than 1 flush packet is
+ * sent)
+ * - AVERROR(EINVAL): codec not opened, it is an encoder, or requires flush
+ * - AVERROR(ENOMEM): failed to add packet to internal queue, or similar
+ * - other errors: legitimate decoding errors
*/
int avcodec_send_packet(AVCodecContext *avctx, const AVPacket *avpkt);
@@ -2630,17 +2631,17 @@ int avcodec_send_packet(AVCodecContext *avctx, const AVPacket *avpkt);
* av_frame_unref(frame) before doing anything else.
*
* @return
- * 0: success, a frame was returned
- * AVERROR(EAGAIN): output is not available in this state - user must try
- * to send new input
- * AVERROR_EOF: the codec has been fully flushed, and there will be
- * no more output frames
- * AVERROR(EINVAL): codec not opened, or it is an encoder without
- * the AV_CODEC_FLAG_RECON_FRAME flag enabled
- * AVERROR_INPUT_CHANGED: current decoded frame has changed parameters
- * with respect to first decoded frame. Applicable
- * when flag AV_CODEC_FLAG_DROPCHANGED is set.
- * other negative values: legitimate decoding errors
+ * - 0: success, a frame was returned
+ * - AVERROR(EAGAIN): output is not available in this state - user must
+ * try to send new input
+ * - AVERROR_EOF: the codec has been fully flushed, and there will be
+ * no more output frames
+ * - AVERROR(EINVAL): codec not opened, or it is an encoder without the
+ * AV_CODEC_FLAG_RECON_FRAME flag enabled
+ * - AVERROR_INPUT_CHANGED: current decoded frame has changed parameters with
+ * respect to first decoded frame. Applicable when flag
+ * AV_CODEC_FLAG_DROPCHANGED is set.
+ * - other negative values: legitimate decoding errors
*/
int avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame);
@@ -2667,16 +2668,17 @@ int avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame);
* If it is not set, frame->nb_samples must be equal to
* avctx->frame_size for all frames except the last.
* The final frame may be smaller than avctx->frame_size.
- * @return 0 on success, otherwise negative error code:
- * AVERROR(EAGAIN): input is not accepted in the current state - user
- * must read output with avcodec_receive_packet() (once
- * all output is read, the packet should be resent, and
- * the call will not fail with EAGAIN).
- * AVERROR_EOF: the encoder has been flushed, and no new frames can
- * be sent to it
- * AVERROR(EINVAL): codec not opened, it is a decoder, or requires flush
- * AVERROR(ENOMEM): failed to add packet to internal queue, or similar
- * other errors: legitimate encoding errors
+ * @return
+ * - 0: success
+ * - AVERROR(EAGAIN): input is not accepted in the current state - user must
+ * read output with avcodec_receive_packet() (once all
+ * output is read, the packet should be resent, and the
+ * call will not fail with EAGAIN).
+ * - AVERROR_EOF: the encoder has been flushed, and no new frames can
+ * be sent to it
+ * - AVERROR(EINVAL): codec not opened, it is a decoder, or requires flush
+ * - AVERROR(ENOMEM): failed to add packet to internal queue, or similar
+ * - other errors: legitimate encoding errors
*/
int avcodec_send_frame(AVCodecContext *avctx, const AVFrame *frame);
@@ -2687,13 +2689,14 @@ int avcodec_send_frame(AVCodecContext *avctx, const AVFrame *frame);
* @param avpkt This will be set to a reference-counted packet allocated by the
* encoder. Note that the function will always call
* av_packet_unref(avpkt) before doing anything else.
- * @return 0 on success, otherwise negative error code:
- * AVERROR(EAGAIN): output is not available in the current state - user
- * must try to send input
- * AVERROR_EOF: the encoder has been fully flushed, and there will be
- * no more output packets
- * AVERROR(EINVAL): codec not opened, or it is a decoder
- * other errors: legitimate encoding errors
+ * @return
+ * - 0: success
+ * - AVERROR(EAGAIN): output is not available in the current state - user must
+ * try to send input
+ * - AVERROR_EOF: the encoder has been fully flushed, and there will be no
+ * more output packets
+ * - AVERROR(EINVAL): codec not opened, or it is a decoder
+ * - other errors: legitimate encoding errors
*/
int avcodec_receive_packet(AVCodecContext *avctx, AVPacket *avpkt);
--
2.35.1
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