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Code Issues Releases Activity

avfilter/vf_v360: add reset_rot option

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This commit is contained in:
Paul B Mahol
2021-10-16 11:37:07 +02:00
parent 3cc3f5de2a
commit 5bcc61ce87
3 changed files with 16 additions and 2 deletions
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3
doc/filters.texi
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@@ -21612,6 +21612,9 @@ Set if output video needs to be transposed. Boolean value, by default disabled.
@item alpha_mask @item alpha_mask
Build mask in alpha plane for all unmapped pixels by marking them fully transparent. Boolean value, by default disabled. Build mask in alpha plane for all unmapped pixels by marking them fully transparent. Boolean value, by default disabled.
@item reset_rot
Reset rotation of output video. Boolean value, by default disabled.
@end table @end table
@subsection Examples @subsection Examples

1
libavfilter/v360.h
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@@ -122,6 +122,7 @@ typedef struct V360Context {
int in, out; int in, out;
int interp; int interp;
int alpha; int alpha;
int reset_rot;
int width, height; int width, height;
char *in_forder; char *in_forder;
char *out_forder; char *out_forder;

14
libavfilter/vf_v360.c
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@@ -164,6 +164,7 @@ static const AVOption v360_options[] = {
{ "iv_fov", "input vertical field of view", OFFSET(iv_fov), AV_OPT_TYPE_FLOAT, {.dbl=0.f}, 0.f, 360.f,TFLAGS, "iv_fov"}, { "iv_fov", "input vertical field of view", OFFSET(iv_fov), AV_OPT_TYPE_FLOAT, {.dbl=0.f}, 0.f, 360.f,TFLAGS, "iv_fov"},
{ "id_fov", "input diagonal field of view", OFFSET(id_fov), AV_OPT_TYPE_FLOAT, {.dbl=0.f}, 0.f, 360.f,TFLAGS, "id_fov"}, { "id_fov", "input diagonal field of view", OFFSET(id_fov), AV_OPT_TYPE_FLOAT, {.dbl=0.f}, 0.f, 360.f,TFLAGS, "id_fov"},
{"alpha_mask", "build mask in alpha plane", OFFSET(alpha), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS, "alpha"}, {"alpha_mask", "build mask in alpha plane", OFFSET(alpha), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS, "alpha"},
{ "reset_rot", "reset rotation", OFFSET(reset_rot), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1,TFLAGS, "reset_rot"},
{ NULL } { NULL }
}; };
@@ -4948,6 +4949,12 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
return ff_filter_frame(outlink, out); return ff_filter_frame(outlink, out);
} }
static void reset_rot(V360Context *s)
{
s->rot_quaternion[0][0] = 1.f;
s->rot_quaternion[0][1] = s->rot_quaternion[0][2] = s->rot_quaternion[0][3] = 0.f;
}
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
char *res, int res_len, int flags) char *res, int res_len, int flags)
{ {
@@ -4955,11 +4962,15 @@ static int process_command(AVFilterContext *ctx, const char *cmd, const char *ar
int ret; int ret;
s->yaw = s->pitch = s->roll = 0.f; s->yaw = s->pitch = s->roll = 0.f;
s->reset_rot = 0;
ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags); ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
if (ret < 0) if (ret < 0)
return ret; return ret;
if (s->reset_rot)
reset_rot(s);
return config_output(ctx->outputs[0]); return config_output(ctx->outputs[0]);
} }
@@ -4967,8 +4978,7 @@ static av_cold int init(AVFilterContext *ctx)
{ {
V360Context *s = ctx->priv; V360Context *s = ctx->priv;
s->rot_quaternion[0][0] = 1.f; reset_rot(s);
s->rot_quaternion[0][1] = s->rot_quaternion[0][2] = s->rot_quaternion[0][3] = 0.f;
return 0; return 0;
} }