// Extremely stupid; can be dropped when the internal filter is dropped,
// and OPT_CHOICE_C() can be used instead.
static int opt_to_stereo3dmode(int val)
{
// Find x for name == MP_STEREO3D_NAME(x)
const char *name = m_opt_choice_str(stereo_code_names, val);
for (int n = 0; n < MP_STEREO3D_COUNT; n++) {
const char *o = MP_STEREO3D_NAME(val);
if (name && o && strcmp(o, name) == 0)
return n;
}
return MP_STEREO3D_INVALID;
}
// Reconfigure the filter chain according to decoder output.
// probe_only: don't force fallback to software when doing hw decoding, and
// the filter chain couldn't be configured
static void filter_reconfig(struct MPContext *mpctx,
bool probe_only)
{
struct dec_video *d_video = mpctx->d_video;
struct mp_image_params params = d_video->decoder_output;
mp_notify(mpctx, MPV_EVENT_VIDEO_RECONFIG, NULL);
set_allowed_vo_formats(d_video->vfilter, mpctx->video_out);
if (video_reconfig_filters(d_video, ¶ms) < 0) {
// Most video filters don't work with hardware decoding, so this
// might be the reason why filter reconfig failed.
if (!probe_only &&
video_vd_control(d_video, VDCTRL_FORCE_HWDEC_FALLBACK, NULL) == CONTROL_OK)
{
// Fallback active; decoder will return software format next
// time. Don't abort video decoding.
d_video->vfilter->initialized = 0;
mp_image_unrefp(&d_video->waiting_decoded_mpi);
d_video->decoder_output = (struct mp_image_params){0};
MP_VERBOSE(mpctx, "hwdec falback due to filters.\n");
}
return;
}
if (d_video->vfilter->initialized < 1)
return;
if (params.rotate && (params.rotate % 90 == 0)) {
if (!(mpctx->video_out->driver->caps & VO_CAP_ROTATE90)) {
// Try to insert a rotation filter.
char *args[] = {"angle", "auto", NULL};
if (try_filter(mpctx, params, "rotate", "autorotate", args) >= 0) {
params.rotate = 0;
} else {
MP_ERR(mpctx, "Can't insert rotation filter.\n");
}
}
}
if (params.stereo_in != params.stereo_out &&
params.stereo_in > 0 && params.stereo_out >= 0)
{
char *to = (char *)MP_STEREO3D_NAME(params.stereo_out);
if (to) {
char *args[] = {"in", "auto", "out", to, NULL, NULL};
if (try_filter(mpctx, params, "stereo3d", "stereo3d", args) < 0)
MP_ERR(mpctx, "Can't insert 3D conversion filter.\n");
}
}
}
static int lavfi_reconfig(struct vf_instance *vf,
struct mp_image_params *in,
struct mp_image_params *out)
{
struct vf_priv_s *p = vf_lw_old_priv(vf);
if (p->auto_in) {
const char *inf = MP_STEREO3D_NAME(in->stereo_in);
if (!inf) {
MP_ERR(vf, "Unknown/unsupported 3D mode.\n");
return -1;
}
vf_lw_update_graph(vf, "stereo3d", "%s:%s",
inf, m_opt_choice_str(stereo_code_names, p->out_fmt));
out->stereo_in = out->stereo_out = opt_to_stereo3dmode(p->out_fmt);
}
return 0;
}
