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Code Issues Releases Activity

vf_showinfo: Display spherical properties

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This commit is contained in:
Vittorio Giovara 2017-03-15 17:55:18 -04:00
parent 3f128fc4a3
commit 883ce264d9
1 changed files with 41 additions and 0 deletions
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41
libavfilter/vf_showinfo.c
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@ -29,6 +29,7 @@
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "libavutil/pixdesc.h"
#include "libavutil/spherical.h"
#include "libavutil/stereo3d.h"
#include "avfilter.h"
@ -39,6 +40,43 @@ typedef struct ShowInfoContext {
unsigned int frame;
} ShowInfoContext;
static void dump_spherical(AVFilterContext *ctx, AVFrame *frame, AVFrameSideData *sd)
{
AVSphericalMapping *spherical = (AVSphericalMapping *)sd->data;
double yaw, pitch, roll;
av_log(ctx, AV_LOG_INFO, "spherical information: ");
if (sd->size < sizeof(*spherical)) {
av_log(ctx, AV_LOG_INFO, "invalid data");
return;
}
if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR)
av_log(ctx, AV_LOG_INFO, "equirectangular ");
else if (spherical->projection == AV_SPHERICAL_CUBEMAP)
av_log(ctx, AV_LOG_INFO, "cubemap ");
else if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE)
av_log(ctx, AV_LOG_INFO, "tiled equirectangular ");
else {
av_log(ctx, AV_LOG_WARNING, "unknown");
return;
}
yaw = ((double)spherical->yaw) / (1 << 16);
pitch = ((double)spherical->pitch) / (1 << 16);
roll = ((double)spherical->roll) / (1 << 16);
av_log(ctx, AV_LOG_INFO, "(%f/%f/%f) ", yaw, pitch, roll);
if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE) {
size_t l, t, r, b;
av_spherical_tile_bounds(spherical, frame->width, frame->height,
&l, &t, &r, &b);
av_log(ctx, AV_LOG_INFO, "[%zu, %zu, %zu, %zu] ", l, t, r, b);
} else if (spherical->projection == AV_SPHERICAL_CUBEMAP) {
av_log(ctx, AV_LOG_INFO, "[pad %"PRIu32"] ", spherical->padding);
}
}
static void dump_stereo3d(AVFilterContext *ctx, AVFrameSideData *sd)
{
AVStereo3D *stereo;
@ -105,6 +143,9 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
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_SPHERICAL:
dump_spherical(ctx, frame, sd);
break;
case AV_FRAME_DATA_STEREO3D:
dump_stereo3d(ctx, sd);
break;