static const AVOption idet_options[] = {
{ "intl_thres", "set interlacing threshold", OFFSET(interlace_threshold), AV_OPT_TYPE_FLOAT, {.dbl = 1.04}, -1, FLT_MAX, FLAGS },
{ "prog_thres", "set progressive threshold", OFFSET(progressive_threshold), AV_OPT_TYPE_FLOAT, {.dbl = 1.5}, -1, FLT_MAX, FLAGS },
+ { "rep_thres", "set repeat threshold", OFFSET(repeat_threshold), AV_OPT_TYPE_FLOAT, {.dbl = 3.0}, -1, FLT_MAX, FLAGS },
+ { "half_life", "half life of cumulative statistics", OFFSET(half_life), AV_OPT_TYPE_FLOAT, {.dbl = 0.0}, -1, INT_MAX, FLAGS },
{ NULL }
};
static const char *type2str(Type type)
{
switch(type) {
- case TFF : return "Top Field First ";
- case BFF : return "Bottom Field First";
- case PROGRSSIVE : return "Progressive ";
- case UNDETERMINED: return "Undetermined ";
+ case TFF : return "tff";
+ case BFF : return "bff";
+ case PROGRESSIVE : return "progressive";
+ case UNDETERMINED : return "undetermined";
+ }
+ return NULL;
+}
+
+#define PRECISION 1048576
+
+static uint64_t uintpow(uint64_t b,unsigned int e)
+{
+ uint64_t r=1;
+ while(e--) r*=b;
+ return r;
+}
+
+static int av_dict_set_fxp(AVDictionary **pm, const char *key, uint64_t value, unsigned int digits,
+ int flags)
+{
+ char valuestr[44];
+ uint64_t print_precision = uintpow(10, digits);
+
+ value = av_rescale(value, print_precision, PRECISION);
+
+ snprintf(valuestr, sizeof(valuestr), "%"PRId64".%0*"PRId64,
+ value / print_precision, digits, value % print_precision);
+
+ return av_dict_set(pm, key, valuestr, flags);
+}
+
+static const char *rep2str(RepeatedField repeated_field)
+{
+ switch(repeated_field) {
+ case REPEAT_NONE : return "neither";
+ case REPEAT_TOP : return "top";
+ case REPEAT_BOTTOM : return "bottom";
}
return NULL;
}
int y, i;
int64_t alpha[2]={0};
int64_t delta=0;
+ int64_t gamma[2]={0};
Type type, best_type;
+ RepeatedField repeat;
int match = 0;
+ AVDictionary **metadata = avpriv_frame_get_metadatap(idet->cur);
for (i = 0; i < idet->csp->nb_components; i++) {
int w = idet->cur->width;
alpha[ y &1] += idet->filter_line(cur-refs, prev, cur+refs, w);
alpha[(y^1)&1] += idet->filter_line(cur-refs, next, cur+refs, w);
delta += idet->filter_line(cur-refs, cur, cur+refs, w);
+ gamma[(y^1)&1] += idet->filter_line(cur , prev, cur , w);
}
}
}else if(alpha[1] > idet->interlace_threshold * alpha[0]){
type = BFF;
}else if(alpha[1] > idet->progressive_threshold * delta){
- type = PROGRSSIVE;
+ type = PROGRESSIVE;
}else{
type = UNDETERMINED;
}
+ if ( gamma[0] > idet->repeat_threshold * gamma[1] ){
+ repeat = REPEAT_TOP;
+ } else if ( gamma[1] > idet->repeat_threshold * gamma[0] ){
+ repeat = REPEAT_BOTTOM;
+ } else {
+ repeat = REPEAT_NONE;
+ }
+
memmove(idet->history+1, idet->history, HIST_SIZE-1);
idet->history[0] = type;
best_type = UNDETERMINED;
}else if(idet->last_type == BFF){
idet->cur->top_field_first = 0;
idet->cur->interlaced_frame = 1;
- }else if(idet->last_type == PROGRSSIVE){
+ }else if(idet->last_type == PROGRESSIVE){
idet->cur->interlaced_frame = 0;
}
- idet->prestat [ type] ++;
- idet->poststat[idet->last_type] ++;
- av_log(ctx, AV_LOG_DEBUG, "Single frame:%s, Multi frame:%s\n", type2str(type), type2str(idet->last_type));
+ for(i=0; i<3; i++)
+ idet->repeats[i] = av_rescale(idet->repeats [i], idet->decay_coefficient, PRECISION);
+
+ for(i=0; i<4; i++){
+ idet->prestat [i] = av_rescale(idet->prestat [i], idet->decay_coefficient, PRECISION);
+ idet->poststat[i] = av_rescale(idet->poststat[i], idet->decay_coefficient, PRECISION);
+ }
+
+ idet->total_repeats [ repeat] ++;
+ idet->repeats [ repeat] += PRECISION;
+
+ idet->total_prestat [ type] ++;
+ idet->prestat [ type] += PRECISION;
+
+ idet->total_poststat[idet->last_type] ++;
+ idet->poststat [idet->last_type] += PRECISION;
+
+ av_log(ctx, AV_LOG_DEBUG, "Repeated Field:%12s, Single frame:%12s, Multi frame:%12s\n",
+ rep2str(repeat), type2str(type), type2str(idet->last_type));
+
+ av_dict_set (metadata, "lavfi.idet.repeated.current_frame", rep2str(repeat), 0);
+ av_dict_set_fxp(metadata, "lavfi.idet.repeated.neither", idet->repeats[REPEAT_NONE], 2, 0);
+ av_dict_set_fxp(metadata, "lavfi.idet.repeated.top", idet->repeats[REPEAT_TOP], 2, 0);
+ av_dict_set_fxp(metadata, "lavfi.idet.repeated.bottom", idet->repeats[REPEAT_BOTTOM], 2, 0);
+
+ av_dict_set (metadata, "lavfi.idet.single.current_frame", type2str(type), 0);
+ av_dict_set_fxp(metadata, "lavfi.idet.single.tff", idet->prestat[TFF], 2 , 0);
+ av_dict_set_fxp(metadata, "lavfi.idet.single.bff", idet->prestat[BFF], 2, 0);
+ av_dict_set_fxp(metadata, "lavfi.idet.single.progressive", idet->prestat[PROGRESSIVE], 2, 0);
+ av_dict_set_fxp(metadata, "lavfi.idet.single.undetermined", idet->prestat[UNDETERMINED], 2, 0);
+
+ av_dict_set (metadata, "lavfi.idet.multiple.current_frame", type2str(idet->last_type), 0);
+ av_dict_set_fxp(metadata, "lavfi.idet.multiple.tff", idet->poststat[TFF], 2, 0);
+ av_dict_set_fxp(metadata, "lavfi.idet.multiple.bff", idet->poststat[BFF], 2, 0);
+ av_dict_set_fxp(metadata, "lavfi.idet.multiple.progressive", idet->poststat[PROGRESSIVE], 2, 0);
+ av_dict_set_fxp(metadata, "lavfi.idet.multiple.undetermined", idet->poststat[UNDETERMINED], 2, 0);
}
static int filter_frame(AVFilterLink *link, AVFrame *picref)
idet->cur = idet->next;
idet->next = picref;
- if (!idet->cur)
- return 0;
+ if (!idet->cur &&
+ !(idet->cur = av_frame_clone(idet->next)))
+ return AVERROR(ENOMEM);
if (!idet->prev)
- idet->prev = av_frame_clone(idet->cur);
+ return 0;
if (!idet->csp)
idet->csp = av_pix_fmt_desc_get(link->format);
return ff_filter_frame(ctx->outputs[0], av_frame_clone(idet->cur));
}
+static int request_frame(AVFilterLink *link)
+{
+ AVFilterContext *ctx = link->src;
+ IDETContext *idet = ctx->priv;
+
+ do {
+ int ret;
+
+ if (idet->eof)
+ return AVERROR_EOF;
+
+ ret = ff_request_frame(link->src->inputs[0]);
+
+ if (ret == AVERROR_EOF && idet->cur) {
+ AVFrame *next = av_frame_clone(idet->next);
+
+ if (!next)
+ return AVERROR(ENOMEM);
+
+ filter_frame(link->src->inputs[0], next);
+ idet->eof = 1;
+ } else if (ret < 0) {
+ return ret;
+ }
+ } while (!idet->prev);
+
+ return 0;
+}
+
static av_cold void uninit(AVFilterContext *ctx)
{
IDETContext *idet = ctx->priv;
- av_log(ctx, AV_LOG_INFO, "Single frame detection: TFF:%d BFF:%d Progressive:%d Undetermined:%d\n",
- idet->prestat[TFF],
- idet->prestat[BFF],
- idet->prestat[PROGRSSIVE],
- idet->prestat[UNDETERMINED]
- );
- av_log(ctx, AV_LOG_INFO, "Multi frame detection: TFF:%d BFF:%d Progressive:%d Undetermined:%d\n",
- idet->poststat[TFF],
- idet->poststat[BFF],
- idet->poststat[PROGRSSIVE],
- idet->poststat[UNDETERMINED]
- );
+ av_log(ctx, AV_LOG_INFO, "Repeated Fields: Neither:%6"PRId64" Top:%6"PRId64" Bottom:%6"PRId64"\n",
+ idet->total_repeats[REPEAT_NONE],
+ idet->total_repeats[REPEAT_TOP],
+ idet->total_repeats[REPEAT_BOTTOM]
+ );
+ av_log(ctx, AV_LOG_INFO, "Single frame detection: TFF:%6"PRId64" BFF:%6"PRId64" Progressive:%6"PRId64" Undetermined:%6"PRId64"\n",
+ idet->total_prestat[TFF],
+ idet->total_prestat[BFF],
+ idet->total_prestat[PROGRESSIVE],
+ idet->total_prestat[UNDETERMINED]
+ );
+ av_log(ctx, AV_LOG_INFO, "Multi frame detection: TFF:%6"PRId64" BFF:%6"PRId64" Progressive:%6"PRId64" Undetermined:%6"PRId64"\n",
+ idet->total_poststat[TFF],
+ idet->total_poststat[BFF],
+ idet->total_poststat[PROGRESSIVE],
+ idet->total_poststat[UNDETERMINED]
+ );
av_frame_free(&idet->prev);
av_frame_free(&idet->cur );
{
IDETContext *idet = ctx->priv;
+ idet->eof = 0;
idet->last_type = UNDETERMINED;
memset(idet->history, UNDETERMINED, HIST_SIZE);
+ if( idet->half_life > 0 )
+ idet->decay_coefficient = (uint64_t) round( PRECISION * exp2(-1.0 / idet->half_life) );
+ else
+ idet->decay_coefficient = PRECISION;
+
idet->filter_line = ff_idet_filter_line_c;
if (ARCH_X86)
return 0;
}
-
static const AVFilterPad idet_inputs[] = {
{
.name = "default",
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = config_output,
+ .request_frame = request_frame
},
{ NULL }
};
repositories / deb_ffmpeg.git / blobdiff