[FFmpeg-cvslog] lavc: make sure not to return EAGAIN from codecs
Anton Khirnov
git at videolan.org
Wed Oct 4 02:56:44 EEST 2017
ffmpeg | branch: master | Anton Khirnov <anton at khirnov.net> | Tue Feb 14 20:51:06 2017 +0100| [984736dd9e5b50987a5910e22495304e4a6d975c] | committer: Anton Khirnov
lavc: make sure not to return EAGAIN from codecs
This error is treated specially by the API.
CC: libav-stable at libav.org
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=984736dd9e5b50987a5910e22495304e4a6d975c
---
libavcodec/aacdec.c | 6 +++---
libavcodec/nvenc.c | 8 +++++---
libavcodec/qsv.c | 8 +++++---
3 files changed, 13 insertions(+), 9 deletions(-)
diff --git a/libavcodec/aacdec.c b/libavcodec/aacdec.c
index 22ebcdc570..4ba346ac48 100644
--- a/libavcodec/aacdec.c
+++ b/libavcodec/aacdec.c
@@ -3228,7 +3228,7 @@ static int read_audio_mux_element(struct LATMContext *latmctx,
} else if (!latmctx->aac_ctx.avctx->extradata) {
av_log(latmctx->aac_ctx.avctx, AV_LOG_DEBUG,
"no decoder config found\n");
- return AVERROR(EAGAIN);
+ return 1;
}
if (latmctx->audio_mux_version_A == 0) {
int mux_slot_length_bytes = read_payload_length_info(latmctx, gb);
@@ -3265,8 +3265,8 @@ static int latm_decode_frame(AVCodecContext *avctx, void *out,
if (muxlength > avpkt->size)
return AVERROR_INVALIDDATA;
- if ((err = read_audio_mux_element(latmctx, &gb)) < 0)
- return err;
+ if ((err = read_audio_mux_element(latmctx, &gb)))
+ return (err < 0) ? err : avpkt->size;
if (!latmctx->initialized) {
if (!avctx->extradata) {
diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
index 30da83a08c..ffa8a0a2d8 100644
--- a/libavcodec/nvenc.c
+++ b/libavcodec/nvenc.c
@@ -123,12 +123,14 @@ static const struct {
{ NV_ENC_ERR_OUT_OF_MEMORY, AVERROR(ENOMEM), "out of memory" },
{ NV_ENC_ERR_ENCODER_NOT_INITIALIZED, AVERROR(EINVAL), "encoder not initialized" },
{ NV_ENC_ERR_UNSUPPORTED_PARAM, AVERROR(ENOSYS), "unsupported param" },
- { NV_ENC_ERR_LOCK_BUSY, AVERROR(EAGAIN), "lock busy" },
+ { NV_ENC_ERR_LOCK_BUSY, AVERROR(EBUSY), "lock busy" },
{ NV_ENC_ERR_NOT_ENOUGH_BUFFER, AVERROR(ENOBUFS), "not enough buffer" },
{ NV_ENC_ERR_INVALID_VERSION, AVERROR(EINVAL), "invalid version" },
{ NV_ENC_ERR_MAP_FAILED, AVERROR(EIO), "map failed" },
- { NV_ENC_ERR_NEED_MORE_INPUT, AVERROR(EAGAIN), "need more input" },
- { NV_ENC_ERR_ENCODER_BUSY, AVERROR(EAGAIN), "encoder busy" },
+ /* this is error should always be treated specially, so this "mapping"
+ * is for completeness only */
+ { NV_ENC_ERR_NEED_MORE_INPUT, AVERROR_UNKNOWN, "need more input" },
+ { NV_ENC_ERR_ENCODER_BUSY, AVERROR(EBUSY), "encoder busy" },
{ NV_ENC_ERR_EVENT_NOT_REGISTERD, AVERROR(EBADF), "event not registered" },
{ NV_ENC_ERR_GENERIC, AVERROR_UNKNOWN, "generic error" },
{ NV_ENC_ERR_INCOMPATIBLE_CLIENT_KEY, AVERROR(EINVAL), "incompatible client key" },
diff --git a/libavcodec/qsv.c b/libavcodec/qsv.c
index ab48bb0dfb..735e1536f8 100644
--- a/libavcodec/qsv.c
+++ b/libavcodec/qsv.c
@@ -94,15 +94,17 @@ static const struct {
{ MFX_ERR_LOCK_MEMORY, AVERROR(EIO), "failed to lock the memory block" },
{ MFX_ERR_NOT_INITIALIZED, AVERROR_BUG, "not initialized" },
{ MFX_ERR_NOT_FOUND, AVERROR(ENOSYS), "specified object was not found" },
- { MFX_ERR_MORE_DATA, AVERROR(EAGAIN), "expect more data at input" },
- { MFX_ERR_MORE_SURFACE, AVERROR(EAGAIN), "expect more surface at output" },
+ /* the following 3 errors should always be handled explicitly, so those "mappings"
+ * are for completeness only */
+ { MFX_ERR_MORE_DATA, AVERROR_UNKNOWN, "expect more data at input" },
+ { MFX_ERR_MORE_SURFACE, AVERROR_UNKNOWN, "expect more surface at output" },
+ { MFX_ERR_MORE_BITSTREAM, AVERROR_UNKNOWN, "expect more bitstream at output" },
{ MFX_ERR_ABORTED, AVERROR_UNKNOWN, "operation aborted" },
{ MFX_ERR_DEVICE_LOST, AVERROR(EIO), "device lost" },
{ MFX_ERR_INCOMPATIBLE_VIDEO_PARAM, AVERROR(EINVAL), "incompatible video parameters" },
{ MFX_ERR_INVALID_VIDEO_PARAM, AVERROR(EINVAL), "invalid video parameters" },
{ MFX_ERR_UNDEFINED_BEHAVIOR, AVERROR_BUG, "undefined behavior" },
{ MFX_ERR_DEVICE_FAILED, AVERROR(EIO), "device failed" },
- { MFX_ERR_MORE_BITSTREAM, AVERROR(EAGAIN), "expect more bitstream at output" },
{ MFX_ERR_INCOMPATIBLE_AUDIO_PARAM, AVERROR(EINVAL), "incompatible audio parameters" },
{ MFX_ERR_INVALID_AUDIO_PARAM, AVERROR(EINVAL), "invalid audio parameters" },
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