From 984736dd9e5b50987a5910e22495304e4a6d975c Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Tue, 14 Feb 2017 20:51:06 +0100 Subject: [PATCH] lavc: make sure not to return EAGAIN from codecs This error is treated specially by the API. CC: libav-stable@libav.org --- 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" },