diff options
Diffstat (limited to 'libavfilter/dnn/dnn_io_proc.c')
| -rw-r--r-- | libavfilter/dnn/dnn_io_proc.c | 56 |
1 files changed, 55 insertions, 1 deletions
diff --git a/libavfilter/dnn/dnn_io_proc.c b/libavfilter/dnn/dnn_io_proc.c index bee1423342..e104cc5064 100644 --- a/libavfilter/dnn/dnn_io_proc.c +++ b/libavfilter/dnn/dnn_io_proc.c @@ -21,6 +21,7 @@ #include "dnn_io_proc.h" #include "libavutil/imgutils.h" #include "libswscale/swscale.h" +#include "libavutil/avassert.h" DNNReturnType ff_proc_from_dnn_to_frame(AVFrame *frame, DNNData *output, void *log_ctx) { @@ -92,7 +93,7 @@ DNNReturnType ff_proc_from_dnn_to_frame(AVFrame *frame, DNNData *output, void *l return DNN_SUCCESS; } -DNNReturnType ff_proc_from_frame_to_dnn(AVFrame *frame, DNNData *input, void *log_ctx) +static DNNReturnType proc_from_frame_to_dnn_frameprocessing(AVFrame *frame, DNNData *input, void *log_ctx) { struct SwsContext *sws_ctx; int bytewidth = av_image_get_linesize(frame->format, frame->width, 0); @@ -163,3 +164,56 @@ DNNReturnType ff_proc_from_frame_to_dnn(AVFrame *frame, DNNData *input, void *lo return DNN_SUCCESS; } + +static enum AVPixelFormat get_pixel_format(DNNData *data) +{ + if (data->dt == DNN_UINT8 && data->order == DCO_BGR) { + return AV_PIX_FMT_BGR24; + } + + av_assert0(!"not supported yet.\n"); + return AV_PIX_FMT_BGR24; +} + +static DNNReturnType proc_from_frame_to_dnn_analytics(AVFrame *frame, DNNData *input, void *log_ctx) +{ + struct SwsContext *sws_ctx; + int linesizes[4]; + enum AVPixelFormat fmt = get_pixel_format(input); + sws_ctx = sws_getContext(frame->width, frame->height, frame->format, + input->width, input->height, fmt, + SWS_FAST_BILINEAR, NULL, NULL, NULL); + if (!sws_ctx) { + av_log(log_ctx, AV_LOG_ERROR, "Impossible to create scale context for the conversion " + "fmt:%s s:%dx%d -> fmt:%s s:%dx%d\n", + av_get_pix_fmt_name(frame->format), frame->width, frame->height, + av_get_pix_fmt_name(fmt), input->width, input->height); + return DNN_ERROR; + } + + if (av_image_fill_linesizes(linesizes, fmt, input->width) < 0) { + av_log(log_ctx, AV_LOG_ERROR, "unable to get linesizes with av_image_fill_linesizes"); + sws_freeContext(sws_ctx); + return DNN_ERROR; + } + + sws_scale(sws_ctx, (const uint8_t *const *)frame->data, frame->linesize, 0, frame->height, + (uint8_t *const *)(&input->data), linesizes); + + sws_freeContext(sws_ctx); + return DNN_SUCCESS; +} + +DNNReturnType ff_proc_from_frame_to_dnn(AVFrame *frame, DNNData *input, DNNFunctionType func_type, void *log_ctx) +{ + switch (func_type) + { + case DFT_PROCESS_FRAME: + return proc_from_frame_to_dnn_frameprocessing(frame, input, log_ctx); + case DFT_ANALYTICS_DETECT: + return proc_from_frame_to_dnn_analytics(frame, input, log_ctx); + default: + avpriv_report_missing_feature(log_ctx, "model function type %d", func_type); + return DNN_ERROR; + } +} |