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@ -77,33 +77,25 @@ print_frame_summary(const AVCodecContext* cctx, const AVFrame* f){
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f->quality);
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}
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AVFrame* ncvisual_decode(struct ncvisual* nc){
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int ret;
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AVFrame* ncvisual_decode(struct ncvisual* nc, int* averr){
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fprintf(stderr, "\n*********************running decode+scale\n");
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if(nc->packet_outstanding){
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ret = avcodec_send_packet(nc->codecctx, nc->packet);
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if(ret < 0){
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fprintf(stderr, "Error processing AVPacket (%s)\n", av_err2str(ret));
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*averr = avcodec_send_packet(nc->codecctx, nc->packet);
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if(*averr < 0){
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fprintf(stderr, "Error processing AVPacket (%s)\n", av_err2str(*averr));
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return NULL;
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}
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--nc->packet_outstanding;
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}
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ret = avcodec_receive_frame(nc->codecctx, nc->frame);
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if(ret == AVERROR(EAGAIN) || ret == AVERROR_EOF){
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*averr = avcodec_receive_frame(nc->codecctx, nc->frame);
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if(*averr == AVERROR(EAGAIN) || *averr == AVERROR_EOF){
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return NULL; // FIXME do something smarter
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}else if(ret < 0){
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fprintf(stderr, "Error decoding AVPacket (%s)\n", av_err2str(ret));
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}else if(*averr < 0){
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fprintf(stderr, "Error decoding AVPacket (%s)\n", av_err2str(*averr));
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return NULL;
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}
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print_frame_summary(nc->codecctx, nc->frame);
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return nc->frame;
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#define IMGALLOCALIGN 32
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/*
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ret = av_image_alloc(nc->frame->data, nc->frame->linesize, nc->frame->width,
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nc->frame->height, nc->frame->format, IMGALLOCALIGN);
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if(ret < 0){
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fprintf(stderr, "Error allocating input data (%s)\n", av_err2str(ret));
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return NULL;
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}
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nc->swsctx = sws_getCachedContext(nc->swsctx,
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nc->frame->width,
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nc->frame->height,
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@ -114,7 +106,7 @@ print_frame_summary(nc->codecctx, nc->frame);
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SWS_LANCZOS,
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NULL, NULL, NULL);
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if(nc->swsctx == NULL){
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fprintf(stderr, "Error retrieving swsctx (%s)\n", av_err2str(ret));
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fprintf(stderr, "Error retrieving swsctx (%s)\n", av_err2str(*averr));
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return NULL;
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}
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AVFrame* oframe = av_frame_alloc();
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@ -125,53 +117,57 @@ print_frame_summary(nc->codecctx, nc->frame);
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oframe->format = AV_PIX_FMT_RGB24;
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oframe->width = nc->dstwidth;
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oframe->height = nc->dstheight;
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if((ret = av_image_alloc(oframe->data, oframe->linesize, oframe->width, oframe->height,
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if((*averr = av_image_alloc(oframe->data, oframe->linesize, oframe->width, oframe->height,
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oframe->format, IMGALLOCALIGN)) < 0){
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fprintf(stderr, "Error allocating visual data (%s)\n", av_err2str(ret));
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fprintf(stderr, "Error allocating visual data (%s)\n", av_err2str(*averr));
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av_frame_free(&oframe);
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return NULL;
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}
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ret = sws_scale(nc->swsctx, (const uint8_t* const*)nc->frame->data, nc->frame->linesize, 0,
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print_frame_summary(nc->codecctx, oframe);
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*averr = sws_scale(nc->swsctx, (const uint8_t* const*)nc->frame->data, nc->frame->linesize, 0,
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nc->frame->height, oframe->data, oframe->linesize);
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if(ret < 0){
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fprintf(stderr, "Error applying scaling (%s)\n", av_err2str(ret));
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if(*averr < 0){
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fprintf(stderr, "Error applying scaling (%s)\n", av_err2str(*averr));
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av_frame_free(&oframe);
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return NULL;
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}
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print_frame_summary(nc->codecctx, oframe);
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#undef IMGALLOCALIGN
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return oframe;
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*/
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}
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ncvisual* ncplane_visual_open(struct ncplane* nc, const char* filename){
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ncvisual* ncplane_visual_open(struct ncplane* nc, const char* filename, int* averr){
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ncvisual* ncv = ncvisual_create();
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if(ncv == NULL){
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fprintf(stderr, "Couldn't create %s (%s)\n", filename, strerror(errno));
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*averr = AVERROR(ENOMEM);
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return NULL;
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}
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memset(ncv, 0, sizeof(*ncv));
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ncplane_dim_yx(nc, &ncv->dstheight, &ncv->dstwidth);
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int ret = avformat_open_input(&ncv->fmtctx, filename, NULL, NULL);
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if(ret < 0){
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fprintf(stderr, "Couldn't open %s (%s)\n", filename, av_err2str(ret));
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*averr = avformat_open_input(&ncv->fmtctx, filename, NULL, NULL);
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if(*averr < 0){
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fprintf(stderr, "Couldn't open %s (%s)\n", filename, av_err2str(*averr));
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goto err;
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}
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if((ret = avformat_find_stream_info(ncv->fmtctx, NULL)) < 0){
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if((*averr = avformat_find_stream_info(ncv->fmtctx, NULL)) < 0){
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fprintf(stderr, "Error extracting stream info from %s (%s)\n", filename,
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av_err2str(ret));
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av_err2str(*averr));
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goto err;
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}
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// av_dump_format(ncv->fmtctx, 0, filename, false);
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if((ncv->packet = av_packet_alloc()) == NULL){
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fprintf(stderr, "Couldn't allocate packet for %s\n", filename);
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*averr = AVERROR(ENOMEM);
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goto err;
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}
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if((ret = av_read_frame(ncv->fmtctx, ncv->packet)) < 0){
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if((*averr = av_read_frame(ncv->fmtctx, ncv->packet)) < 0){
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fprintf(stderr, "Error reading frame info from %s (%s)\n", filename,
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av_err2str(ret));
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av_err2str(*averr));
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goto err;
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}
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if((ret = av_find_best_stream(ncv->fmtctx, AVMEDIA_TYPE_VIDEO, -1, -1, &ncv->codec, 0)) < 0){
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fprintf(stderr, "Couldn't find visuals in %s (%s)\n", filename, av_err2str(ret));
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if((*averr = av_find_best_stream(ncv->fmtctx, AVMEDIA_TYPE_VIDEO, -1, -1, &ncv->codec, 0)) < 0){
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fprintf(stderr, "Couldn't find visuals in %s (%s)\n", filename, av_err2str(*averr));
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goto err;
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}
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if(ncv->codec == NULL){
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@ -180,28 +176,31 @@ ncvisual* ncplane_visual_open(struct ncplane* nc, const char* filename){
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}
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if((ncv->codecctx = avcodec_alloc_context3(ncv->codec)) == NULL){
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fprintf(stderr, "Couldn't allocate decoder for %s\n", filename);
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*averr = AVERROR(ENOMEM);
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goto err;
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}
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if((ret = avcodec_open2(ncv->codecctx, ncv->codec, NULL)) < 0){
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fprintf(stderr, "Couldn't open codec for %s (%s)\n", filename, av_err2str(ret));
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if((*averr = avcodec_open2(ncv->codecctx, ncv->codec, NULL)) < 0){
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fprintf(stderr, "Couldn't open codec for %s (%s)\n", filename, av_err2str(*averr));
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goto err;
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}
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if((ncv->cparams = avcodec_parameters_alloc()) == NULL){
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fprintf(stderr, "Couldn't allocate codec params for %s\n", filename);
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*averr = AVERROR(ENOMEM);
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goto err;
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}
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if((ret = avcodec_parameters_from_context(ncv->cparams, ncv->codecctx)) < 0){
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fprintf(stderr, "Couldn't get codec params for %s (%s)\n", filename, av_err2str(ret));
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if((*averr = avcodec_parameters_from_context(ncv->cparams, ncv->codecctx)) < 0){
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fprintf(stderr, "Couldn't get codec params for %s (%s)\n", filename, av_err2str(*averr));
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goto err;
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}
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if((ret = avcodec_send_packet(ncv->codecctx, ncv->packet)) < 0){
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if((*averr = avcodec_send_packet(ncv->codecctx, ncv->packet)) < 0){
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fprintf(stderr, "Error decoding packet from %s (%s)\n", filename,
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av_err2str(ret));
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av_err2str(*averr));
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goto err;
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}
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++ncv->packet_outstanding;
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if((ncv->frame = av_frame_alloc()) == NULL){
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fprintf(stderr, "Couldn't allocate frame for %s\n", filename);
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*averr = AVERROR(ENOMEM);
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goto err;
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}
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return ncv;
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