#include "formats.h"
#include "internal.h"
#include "libavutil/opt.h"
+#include "libavutil/pixdesc.h"
#include "libavformat/avio.h"
#include "libswscale/swscale.h"
#include "dnn_interface.h"
DNNBackendType backend_type;
DNNModule *dnn_module;
DNNModel *model;
- DNNData input, output;
+ DNNData input;
+ DNNData output;
int scale_factor;
struct SwsContext *sws_contexts[3];
int sws_slice_h, sws_input_linesize, sws_output_linesize;
#define OFFSET(x) offsetof(SRContext, x)
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM
static const AVOption sr_options[] = {
- { "dnn_backend", "DNN backend used for model execution", OFFSET(backend_type), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, 0, 1, FLAGS, "backend" },
+ { "dnn_backend", "DNN backend used for model execution", OFFSET(backend_type), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS, "backend" },
{ "native", "native backend flag", 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, 0, 0, FLAGS, "backend" },
#if (CONFIG_LIBTENSORFLOW == 1)
{ "tensorflow", "tensorflow backend flag", 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, 0, 0, FLAGS, "backend" },
av_log(context, AV_LOG_ERROR, "could not create DNN module for requested backend\n");
return AVERROR(ENOMEM);
}
+
if (!sr_context->model_filename){
av_log(context, AV_LOG_ERROR, "model file for network was not specified\n");
return AVERROR(EIO);
- } else {
- if (!sr_context->dnn_module->load_model) {
- av_log(context, AV_LOG_ERROR, "load_model for network was not specified\n");
- return AVERROR(EIO);
- } else {
- sr_context->model = (sr_context->dnn_module->load_model)(sr_context->model_filename);
- }
}
+ if (!sr_context->dnn_module->load_model) {
+ av_log(context, AV_LOG_ERROR, "load_model for network was not specified\n");
+ return AVERROR(EIO);
+ }
+ sr_context->model = (sr_context->dnn_module->load_model)(sr_context->model_filename, NULL);
if (!sr_context->model){
av_log(context, AV_LOG_ERROR, "could not load DNN model\n");
return AVERROR(EIO);
}
+ sr_context->input.dt = DNN_FLOAT;
sr_context->sws_contexts[0] = NULL;
sr_context->sws_contexts[1] = NULL;
sr_context->sws_contexts[2] = NULL;
sr_context->input.height = inlink->h * sr_context->scale_factor;
sr_context->input.channels = 1;
- result = (sr_context->model->set_input_output)(sr_context->model->model, &sr_context->input, "x", &model_output_name, 1);
+ result = (sr_context->model->set_input)(sr_context->model->model, &sr_context->input, "x");
if (result != DNN_SUCCESS){
av_log(context, AV_LOG_ERROR, "could not set input and output for the model\n");
return AVERROR(EIO);
}
- result = (sr_context->dnn_module->execute_model)(sr_context->model, &sr_context->output, 1);
+ result = (sr_context->dnn_module->execute_model)(sr_context->model, &sr_context->output, &model_output_name, 1);
if (result != DNN_SUCCESS){
av_log(context, AV_LOG_ERROR, "failed to execute loaded model\n");
return AVERROR(EIO);
if (sr_context->input.height != sr_context->output.height || sr_context->input.width != sr_context->output.width){
sr_context->input.width = inlink->w;
sr_context->input.height = inlink->h;
- result = (sr_context->model->set_input_output)(sr_context->model->model, &sr_context->input, "x", &model_output_name, 1);
+ result = (sr_context->model->set_input)(sr_context->model->model, &sr_context->input, "x");
if (result != DNN_SUCCESS){
av_log(context, AV_LOG_ERROR, "could not set input and output for the model\n");
return AVERROR(EIO);
}
- result = (sr_context->dnn_module->execute_model)(sr_context->model, &sr_context->output, 1);
+ result = (sr_context->dnn_module->execute_model)(sr_context->model, &sr_context->output, &model_output_name, 1);
if (result != DNN_SUCCESS){
av_log(context, AV_LOG_ERROR, "failed to execute loaded model\n");
return AVERROR(EIO);
sr_context->sws_slice_h = inlink->h;
} else {
if (inlink->format != AV_PIX_FMT_GRAY8){
- sws_src_h = sr_context->input.height;
- sws_src_w = sr_context->input.width;
- sws_dst_h = sr_context->output.height;
- sws_dst_w = sr_context->output.width;
-
- switch (inlink->format){
- case AV_PIX_FMT_YUV420P:
- sws_src_h = AV_CEIL_RSHIFT(sws_src_h, 1);
- sws_src_w = AV_CEIL_RSHIFT(sws_src_w, 1);
- sws_dst_h = AV_CEIL_RSHIFT(sws_dst_h, 1);
- sws_dst_w = AV_CEIL_RSHIFT(sws_dst_w, 1);
- break;
- case AV_PIX_FMT_YUV422P:
- sws_src_w = AV_CEIL_RSHIFT(sws_src_w, 1);
- sws_dst_w = AV_CEIL_RSHIFT(sws_dst_w, 1);
- break;
- case AV_PIX_FMT_YUV444P:
- break;
- case AV_PIX_FMT_YUV410P:
- sws_src_h = AV_CEIL_RSHIFT(sws_src_h, 2);
- sws_src_w = AV_CEIL_RSHIFT(sws_src_w, 2);
- sws_dst_h = AV_CEIL_RSHIFT(sws_dst_h, 2);
- sws_dst_w = AV_CEIL_RSHIFT(sws_dst_w, 2);
- break;
- case AV_PIX_FMT_YUV411P:
- sws_src_w = AV_CEIL_RSHIFT(sws_src_w, 2);
- sws_dst_w = AV_CEIL_RSHIFT(sws_dst_w, 2);
- break;
- default:
- av_log(context, AV_LOG_ERROR, "could not create SwsContext for scaling for given input pixel format");
- return AVERROR(EIO);
- }
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
+ sws_src_h = AV_CEIL_RSHIFT(sr_context->input.height, desc->log2_chroma_h);
+ sws_src_w = AV_CEIL_RSHIFT(sr_context->input.width, desc->log2_chroma_w);
+ sws_dst_h = AV_CEIL_RSHIFT(sr_context->output.height, desc->log2_chroma_h);
+ sws_dst_w = AV_CEIL_RSHIFT(sr_context->output.width, desc->log2_chroma_w);
+
sr_context->sws_contexts[0] = sws_getContext(sws_src_w, sws_src_h, AV_PIX_FMT_GRAY8,
sws_dst_w, sws_dst_h, AV_PIX_FMT_GRAY8,
SWS_BICUBIC, NULL, NULL, NULL);
AVFilterLink *outlink = context->outputs[0];
AVFrame *out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
DNNReturnType dnn_result;
+ const char *model_output_name = "y";
if (!out){
av_log(context, AV_LOG_ERROR, "could not allocate memory for output frame\n");
}
av_frame_free(&in);
- dnn_result = (sr_context->dnn_module->execute_model)(sr_context->model, &sr_context->output, 1);
+ dnn_result = (sr_context->dnn_module->execute_model)(sr_context->model, &sr_context->output, &model_output_name, 1);
if (dnn_result != DNN_SUCCESS){
av_log(context, AV_LOG_ERROR, "failed to execute loaded model\n");
return AVERROR(EIO);
}
for (i = 0; i < 3; ++i){
- if (sr_context->sws_contexts[i]){
- sws_freeContext(sr_context->sws_contexts[i]);
- }
+ sws_freeContext(sr_context->sws_contexts[i]);
}
}
.inputs = sr_inputs,
.outputs = sr_outputs,
.priv_class = &sr_class,
- .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
};
-