diff options
-rw-r--r-- | libmpcodecs/vf_bmovl.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/libmpcodecs/vf_bmovl.c b/libmpcodecs/vf_bmovl.c index 98dbd029f0..86889aac24 100644 --- a/libmpcodecs/vf_bmovl.c +++ b/libmpcodecs/vf_bmovl.c @@ -199,6 +199,7 @@ _read_cmd(int fd, char *cmd, char *args) { static int put_image(struct vf_instance_s* vf, mp_image_t* mpi){ int buf_x=0, buf_y=0, buf_pos=0; + int have, got, want; int xpos=0, ypos=0, pos=0; unsigned char red=0, green=0, blue=0; int alpha; @@ -267,7 +268,22 @@ put_image(struct vf_instance_s* vf, mp_image_t* mpi){ mp_msg(MSGT_VFILTER, MSGL_WARN, "\nvf_bmovl: Couldn't allocate temporary buffer! Skipping...\n\n"); return vf_next_put_image(vf, dmpi); } - mp_msg(MSGT_VFILTER, MSGL_DBG2, "Got %d bytes...\n", read( vf->priv->stream_fd, buffer, (imgw*imgh*pxsz) ) ); + /* pipes/sockets might need multiple calls to read(): */ + want = (imgw*imgh*pxsz); + have = 0; + while (have < want) { + got = read( vf->priv->stream_fd, buffer+have, want-have ); + if (got == 0) { + mp_msg(MSGT_VFILTER, MSGL_WARN, "\nvf_bmovl: premature EOF...\n\n"); + break; + } + if (got < 0) { + mp_msg(MSGT_VFILTER, MSGL_WARN, "\nvf_bmovl: read error: %s\n\n", strerror(errno)); + break; + } + have += got; + } + mp_msg(MSGT_VFILTER, MSGL_DBG2, "Got %d bytes... (wanted %d)\n", have, want ); if(clear) { memset( vf->priv->bitmap.y, 0, vf->priv->w*vf->priv->h ); |