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avcodec/v4l2_m2m: adapt to call close() on init fail 

This fixes several mem leaks when init of encoder/decoder failed.

Fixes ticket #8285

Signed-off-by: Andriy Gelman <andriy.gelman@gmail.com>
This commit is contained in:
Andriy Gelman 2020-08-02 14:31:22 -04:00
parent 533d6030ca
commit 7c32e9cf93
3 changed files with 9 additions and 8 deletions
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6
libavcodec/v4l2_m2m.c
View File

@ -330,6 +330,7 @@ static void v4l2_m2m_destroy_context(void *opaque, uint8_t *context)
close(s->fd);
av_frame_free(&s->frame);
av_packet_unref(&s->buf_pkt);
av_free(s);
}
@ -339,6 +340,10 @@ int ff_v4l2_m2m_codec_end(V4L2m2mPriv *priv)
V4L2m2mContext *s = priv->context;
int ret;
if (!s)
return 0;
if (s->fd >= 0) {
ret = ff_v4l2_context_set_status(&s->output, VIDIOC_STREAMOFF);
if (ret)
av_log(s->avctx, AV_LOG_ERROR, "VIDIOC_STREAMOFF %s\n", s->output.name);
@ -346,6 +351,7 @@ int ff_v4l2_m2m_codec_end(V4L2m2mPriv *priv)
ret = ff_v4l2_context_set_status(&s->capture, VIDIOC_STREAMOFF);
if (ret)
av_log(s->avctx, AV_LOG_ERROR, "VIDIOC_STREAMOFF %s\n", s->capture.name);
}
ff_v4l2_context_release(&s->output);

10
libavcodec/v4l2_m2m_dec.c
View File

@ -205,9 +205,6 @@ static av_cold int v4l2_decode_init(AVCodecContext *avctx)
ret = ff_v4l2_m2m_codec_init(priv);
if (ret) {
av_log(avctx, AV_LOG_ERROR, "can't configure decoder\n");
s->self_ref = NULL;
av_buffer_unref(&priv->context_ref);
return ret;
}
@ -216,10 +213,7 @@ static av_cold int v4l2_decode_init(AVCodecContext *avctx)
static av_cold int v4l2_decode_close(AVCodecContext *avctx)
{
V4L2m2mPriv *priv = avctx->priv_data;
V4L2m2mContext *s = priv->context;
av_packet_unref(&s->buf_pkt);
return ff_v4l2_m2m_codec_end(priv);
return ff_v4l2_m2m_codec_end(avctx->priv_data);
}
#define OFFSET(x) offsetof(V4L2m2mPriv, x)
@ -254,7 +248,7 @@ static const AVOption options[] = {
.close = v4l2_decode_close, \
.bsfs = bsf_name, \
.capabilities = AV_CODEC_CAP_HARDWARE | AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING, \
.caps_internal = FF_CODEC_CAP_SETS_PKT_DTS, \
.caps_internal = FF_CODEC_CAP_SETS_PKT_DTS | FF_CODEC_CAP_INIT_CLEANUP, \
.wrapper_name = "v4l2m2m", \
}

1
libavcodec/v4l2_m2m_enc.c
View File

@ -429,6 +429,7 @@ static const AVCodecDefault v4l2_m2m_defaults[] = {
.close = v4l2_encode_close, \
.defaults = v4l2_m2m_defaults, \
.capabilities = AV_CODEC_CAP_HARDWARE | AV_CODEC_CAP_DELAY, \
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP, \
.wrapper_name = "v4l2m2m", \
}