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lavd/xv: free resources on errors

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xv_write_header callback leave not freed resources on errors.

Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
This commit is contained in:
Lukasz Marek 2013-11-13 23:40:47 +01:00 committed by Stefano Sabatini
parent 57bca5a2b6
commit 995f450b44
1 changed files with 33 additions and 20 deletions
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53
libavdevice/xv.c
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@ -81,13 +81,28 @@ static int xv_get_tag_from_format(enum AVPixelFormat format)
return 0;
}
static int xv_write_trailer(AVFormatContext *s)
{
XVContext *xv = s->priv_data;
if (xv->display) {
XShmDetach(xv->display, &xv->yuv_shminfo);
if (xv->yuv_image)
shmdt(xv->yuv_image->data);
XFree(xv->yuv_image);
if (xv->gc)
XFreeGC(xv->display, xv->gc);
XCloseDisplay(xv->display);
}
return 0;
}
static int xv_write_header(AVFormatContext *s)
{
XVContext *xv = s->priv_data;
unsigned int num_adaptors;
XvAdaptorInfo *ai;
XvImageFormatValues *fv;
int num_formats = 0, j, tag;
int num_formats = 0, j, tag, ret;
AVCodecContext *encctx = s->streams[0]->codec;
if ( s->nb_streams > 1
@ -122,20 +137,26 @@ static int xv_write_header(AVFormatContext *s)
xv->window_width, xv->window_height,
0, 0, 0);
if (!xv->window_title) {
if (!(xv->window_title = av_strdup(s->filename)))
return AVERROR(ENOMEM);
if (!(xv->window_title = av_strdup(s->filename))) {
ret = AVERROR(ENOMEM);
goto fail;
}
}
XStoreName(xv->display, xv->window, xv->window_title);
XMapWindow(xv->display, xv->window);
if (XvQueryAdaptors(xv->display, DefaultRootWindow(xv->display), &num_adaptors, &ai) != Success)
return AVERROR_EXTERNAL;
if (XvQueryAdaptors(xv->display, DefaultRootWindow(xv->display), &num_adaptors, &ai) != Success) {
ret = AVERROR_EXTERNAL;
goto fail;
}
xv->xv_port = ai[0].base_id;
XvFreeAdaptorInfo(ai);
fv = XvListImageFormats(xv->display, xv->xv_port, &num_formats);
if (!fv)
return AVERROR_EXTERNAL;
if (!fv) {
ret = AVERROR_EXTERNAL;
goto fail;
}
for (j = 0; j < num_formats; j++) {
if (fv[j].id == tag) {
break;
@ -147,7 +168,8 @@ static int xv_write_header(AVFormatContext *s)
av_log(s, AV_LOG_ERROR,
"Device does not support pixel format %s, aborting\n",
av_get_pix_fmt_name(encctx->pix_fmt));
return AVERROR(EINVAL);
ret = AVERROR(EINVAL);
goto fail;
}
xv->gc = XCreateGC(xv->display, xv->window, 0, 0);
@ -166,6 +188,9 @@ static int xv_write_header(AVFormatContext *s)
shmctl(xv->yuv_shminfo.shmid, IPC_RMID, 0);
return 0;
fail:
xv_write_trailer(s);
return ret;
}
static int xv_write_packet(AVFormatContext *s, AVPacket *pkt)
@ -195,18 +220,6 @@ static int xv_write_packet(AVFormatContext *s, AVPacket *pkt)
return 0;
}
static int xv_write_trailer(AVFormatContext *s)
{
XVContext *xv = s->priv_data;
XShmDetach(xv->display, &xv->yuv_shminfo);
shmdt(xv->yuv_image->data);
XFree(xv->yuv_image);
XFreeGC(xv->display, xv->gc);
XCloseDisplay(xv->display);
return 0;
}
#define OFFSET(x) offsetof(XVContext, x)
static const AVOption options[] = {
{ "display_name", "set display name", OFFSET(display_name), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, AV_OPT_FLAG_ENCODING_PARAM },