avfilter/il: Avoid using non public AV_PIX_FMT_NB
[ffmpeg.git] / libavfilter / vf_showinfo.c
index b53ccd1..ec4bed1 100644 (file)
@@ -1,19 +1,19 @@
 /*
  * Copyright (c) 2011 Stefano Sabatini
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
  * filter for showing textual video frame information
  */
 
+#include <inttypes.h>
+
 #include "libavutil/adler32.h"
 #include "libavutil/imgutils.h"
 #include "libavutil/internal.h"
 #include "libavutil/pixdesc.h"
+#include "libavutil/stereo3d.h"
+#include "libavutil/timestamp.h"
+
 #include "avfilter.h"
 #include "internal.h"
 #include "video.h"
 
-typedef struct {
-    unsigned int frame;
-} ShowInfoContext;
+static void dump_stereo3d(AVFilterContext *ctx, AVFrameSideData *sd)
+{
+    AVStereo3D *stereo;
+
+    av_log(ctx, AV_LOG_INFO, "stereoscopic information: ");
+    if (sd->size < sizeof(*stereo)) {
+        av_log(ctx, AV_LOG_INFO, "invalid data");
+        return;
+    }
+
+    stereo = (AVStereo3D *)sd->data;
+
+    av_log(ctx, AV_LOG_INFO, "type - ");
+    switch (stereo->type) {
+    case AV_STEREO3D_2D:                  av_log(ctx, AV_LOG_INFO, "2D");                     break;
+    case AV_STEREO3D_SIDEBYSIDE:          av_log(ctx, AV_LOG_INFO, "side by side");           break;
+    case AV_STEREO3D_TOPBOTTOM:           av_log(ctx, AV_LOG_INFO, "top and bottom");         break;
+    case AV_STEREO3D_FRAMESEQUENCE:       av_log(ctx, AV_LOG_INFO, "frame alternate");        break;
+    case AV_STEREO3D_CHECKERBOARD:        av_log(ctx, AV_LOG_INFO, "checkerboard");           break;
+    case AV_STEREO3D_LINES:               av_log(ctx, AV_LOG_INFO, "interleaved lines");      break;
+    case AV_STEREO3D_COLUMNS:             av_log(ctx, AV_LOG_INFO, "interleaved columns");    break;
+    case AV_STEREO3D_SIDEBYSIDE_QUINCUNX: av_log(ctx, AV_LOG_INFO, "side by side "
+                                                                   "(quincunx subsampling)"); break;
+    default:                              av_log(ctx, AV_LOG_WARNING, "unknown");             break;
+    }
+
+    if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
+        av_log(ctx, AV_LOG_INFO, " (inverted)");
+}
 
-static av_cold int init(AVFilterContext *ctx, const char *args)
+static void update_sample_stats(const uint8_t *src, int len, int64_t *sum, int64_t *sum2)
 {
-    ShowInfoContext *showinfo = ctx->priv;
-    showinfo->frame = 0;
-    return 0;
+    int i;
+
+    for (i = 0; i < len; i++) {
+        *sum += src[i];
+        *sum2 += src[i] * src[i];
+    }
 }
 
-static int end_frame(AVFilterLink *inlink)
+static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
 {
     AVFilterContext *ctx = inlink->dst;
-    ShowInfoContext *showinfo = ctx->priv;
-    AVFilterBufferRef *picref = inlink->cur_buf;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
     uint32_t plane_checksum[4] = {0}, checksum = 0;
-    int i, plane, vsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_h;
+    int64_t sum[4] = {0}, sum2[4] = {0};
+    int32_t pixelcount[4] = {0};
+    int i, plane, vsub = desc->log2_chroma_h;
+
+    for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++) {
+        int64_t linesize = av_image_get_linesize(frame->format, frame->width, plane);
+        uint8_t *data = frame->data[plane];
+        int h = plane == 1 || plane == 2 ? FF_CEIL_RSHIFT(inlink->h, vsub) : inlink->h;
 
-    for (plane = 0; picref->data[plane] && plane < 4; plane++) {
-        size_t linesize = av_image_get_linesize(picref->format, picref->video->w, plane);
-        uint8_t *data = picref->data[plane];
-        int h = plane == 1 || plane == 2 ? inlink->h >> vsub : inlink->h;
+        if (linesize < 0)
+            return linesize;
 
         for (i = 0; i < h; i++) {
             plane_checksum[plane] = av_adler32_update(plane_checksum[plane], data, linesize);
             checksum = av_adler32_update(checksum, data, linesize);
-            data += picref->linesize[plane];
+
+            update_sample_stats(data, linesize, sum+plane, sum2+plane);
+            pixelcount[plane] += linesize;
+            data += frame->linesize[plane];
         }
     }
 
     av_log(ctx, AV_LOG_INFO,
-           "n:%d pts:%"PRId64" pts_time:%f pos:%"PRId64" "
+           "n:%"PRId64" pts:%s pts_time:%s pos:%"PRId64" "
            "fmt:%s sar:%d/%d s:%dx%d i:%c iskey:%d type:%c "
-           "checksum:%u plane_checksum:[%u %u %u %u]\n",
-           showinfo->frame,
-           picref->pts, picref->pts * av_q2d(inlink->time_base), picref->pos,
-           av_pix_fmt_descriptors[picref->format].name,
-           picref->video->pixel_aspect.num, picref->video->pixel_aspect.den,
-           picref->video->w, picref->video->h,
-           !picref->video->interlaced     ? 'P' :         /* Progressive  */
-           picref->video->top_field_first ? 'T' : 'B',    /* Top / Bottom */
-           picref->video->key_frame,
-           av_get_picture_type_char(picref->video->pict_type),
-           checksum, plane_checksum[0], plane_checksum[1], plane_checksum[2], plane_checksum[3]);
-
-    showinfo->frame++;
-    return ff_end_frame(inlink->dst->outputs[0]);
-}
+           "checksum:%08"PRIX32" plane_checksum:[%08"PRIX32,
+           inlink->frame_count,
+           av_ts2str(frame->pts), av_ts2timestr(frame->pts, &inlink->time_base), av_frame_get_pkt_pos(frame),
+           desc->name,
+           frame->sample_aspect_ratio.num, frame->sample_aspect_ratio.den,
+           frame->width, frame->height,
+           !frame->interlaced_frame ? 'P' :         /* Progressive  */
+           frame->top_field_first   ? 'T' : 'B',    /* Top / Bottom */
+           frame->key_frame,
+           av_get_picture_type_char(frame->pict_type),
+           checksum, plane_checksum[0]);
 
-AVFilter avfilter_vf_showinfo = {
-    .name        = "showinfo",
-    .description = NULL_IF_CONFIG_SMALL("Show textual information for each video frame."),
+    for (plane = 1; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
+        av_log(ctx, AV_LOG_INFO, " %08"PRIX32, plane_checksum[plane]);
+    av_log(ctx, AV_LOG_INFO, "] mean:[");
+    for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
+        av_log(ctx, AV_LOG_INFO, "%"PRId64" ", (sum[plane] + pixelcount[plane]/2) / pixelcount[plane]);
+    av_log(ctx, AV_LOG_INFO, "\b] stdev:[");
+    for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
+        av_log(ctx, AV_LOG_INFO, "%3.1f ",
+               sqrt((sum2[plane] - sum[plane]*(double)sum[plane]/pixelcount[plane])/pixelcount[plane]));
+    av_log(ctx, AV_LOG_INFO, "\b]\n");
+
+    for (i = 0; i < frame->nb_side_data; i++) {
+        AVFrameSideData *sd = frame->side_data[i];
+
+        av_log(ctx, AV_LOG_INFO, "  side data - ");
+        switch (sd->type) {
+        case AV_FRAME_DATA_PANSCAN:
+            av_log(ctx, AV_LOG_INFO, "pan/scan");
+            break;
+        case AV_FRAME_DATA_A53_CC:
+            av_log(ctx, AV_LOG_INFO, "A/53 closed captions (%d bytes)", sd->size);
+            break;
+        case AV_FRAME_DATA_STEREO3D:
+            dump_stereo3d(ctx, sd);
+            break;
+        default:
+            av_log(ctx, AV_LOG_WARNING, "unknown side data type %d (%d bytes)",
+                   sd->type, sd->size);
+            break;
+        }
+
+        av_log(ctx, AV_LOG_INFO, "\n");
+    }
 
-    .priv_size = sizeof(ShowInfoContext),
-    .init      = init,
+    return ff_filter_frame(inlink->dst->outputs[0], frame);
+}
 
-    .inputs    = (const AVFilterPad[]) {{ .name = "default",
-                                          .type             = AVMEDIA_TYPE_VIDEO,
-                                          .get_video_buffer = ff_null_get_video_buffer,
-                                          .start_frame      = ff_null_start_frame,
-                                          .end_frame        = end_frame,
-                                          .min_perms        = AV_PERM_READ, },
-                                        { .name = NULL}},
+static const AVFilterPad avfilter_vf_showinfo_inputs[] = {
+    {
+        .name         = "default",
+        .type         = AVMEDIA_TYPE_VIDEO,
+        .filter_frame = filter_frame,
+    },
+    { NULL }
+};
 
-    .outputs   = (const AVFilterPad[]) {{ .name             = "default",
-                                          .type             = AVMEDIA_TYPE_VIDEO },
-                                        { .name = NULL}},
+static const AVFilterPad avfilter_vf_showinfo_outputs[] = {
+    {
+        .name = "default",
+        .type = AVMEDIA_TYPE_VIDEO
+    },
+    { NULL }
+};
+
+AVFilter ff_vf_showinfo = {
+    .name        = "showinfo",
+    .description = NULL_IF_CONFIG_SMALL("Show textual information for each video frame."),
+    .inputs      = avfilter_vf_showinfo_inputs,
+    .outputs     = avfilter_vf_showinfo_outputs,
 };