static int try_filter(struct MPContext *mpctx, struct mp_image_params params,
char *name, char *label, char **args)
{
struct dec_video *d_video = mpctx->d_video;
struct vf_instance *vf = vf_append_filter(d_video->vfilter, name, args);
if (!vf)
return -1;
vf->label = talloc_strdup(vf, label);
if (video_reconfig_filters(d_video, ¶ms) < 0) {
vf_remove_filter(d_video->vfilter, vf);
// restore
video_reconfig_filters(d_video, ¶ms);
return -1;
}
return 0;
}
static void reconfig_video(struct MPContext *mpctx,
const struct mp_image_params *params,
bool probe_only)
{
struct MPOpts *opts = mpctx->opts;
struct dec_video *d_video = mpctx->d_video;
d_video->decoder_output = *params;
set_allowed_vo_formats(d_video->vfilter, mpctx->video_out);
// The event should happen _after_ filter and VO reconfig. Since we don't
// have any fine grained locking, this is just as good.
mp_notify(mpctx, MPV_EVENT_VIDEO_RECONFIG, NULL);
if (video_reconfig_filters(d_video, params) < 0) {
// Most video filters don't work with hardware decoding, so this
// might be the reason 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;
}
return;
}
if (d_video->vfilter->initialized < 1)
return;
struct mp_image_params p = d_video->vfilter->output_params;
const struct vo_driver *info = mpctx->video_out->driver;
MP_INFO(mpctx, "VO: [%s] %dx%d => %dx%d %s\n",
info->name, p.w, p.h, p.d_w, p.d_h, vo_format_name(p.imgfmt));
MP_VERBOSE(mpctx, "VO: Description: %s\n", info->description);
int r = vo_reconfig(mpctx->video_out, &p, 0);
if (r < 0)
d_video->vfilter->initialized = -1;
if (r >= 0) {
if (opts->gamma_gamma != 1000)
video_set_colors(d_video, "gamma", opts->gamma_gamma);
if (opts->gamma_brightness != 1000)
video_set_colors(d_video, "brightness", opts->gamma_brightness);
if (opts->gamma_contrast != 1000)
video_set_colors(d_video, "contrast", opts->gamma_contrast);
if (opts->gamma_saturation != 1000)
video_set_colors(d_video, "saturation", opts->gamma_saturation);
if (opts->gamma_hue != 1000)
video_set_colors(d_video, "hue", opts->gamma_hue);
}
}
// 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");
}
}
}
