avfilter/vf_identity: remove unnecessary check

[ffmpeg] / libavfilter / vf_stereo3d.c

diff --git a/libavfilter/vf_stereo3d.c b/libavfilter/vf_stereo3d.c
index 0e39fb39317d86b5aa0d21a9055fb3b38791c2b2..ec7d410f76651978646d29f25efb9b30e690cded 100644 (file)
--- a/libavfilter/vf_stereo3d.c
+++ b/libavfilter/vf_stereo3d.c
@@ -160,9 +160,13 @@ typedef struct Stereo3DContext {
 static const AVOption stereo3d_options[] = {
     { "in",    "set input format",  OFFSET(in.format),   AV_OPT_TYPE_INT,   {.i64=SIDE_BY_SIDE_LR}, INTERLEAVE_ROWS_LR, STEREO_CODE_COUNT-1, FLAGS, "in"},
     { "ab2l",  "above below half height left first",  0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_LR},   0, 0, FLAGS, "in" },
+    { "tb2l",  "above below half height left first",  0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_LR},   0, 0, FLAGS, "in" },
     { "ab2r",  "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL},   0, 0, FLAGS, "in" },
+    { "tb2r",  "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL},   0, 0, FLAGS, "in" },
     { "abl",   "above below left first",              0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR},     0, 0, FLAGS, "in" },
+    { "tbl",   "above below left first",              0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR},     0, 0, FLAGS, "in" },
     { "abr",   "above below right first",             0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL},     0, 0, FLAGS, "in" },
+    { "tbr",   "above below right first",             0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL},     0, 0, FLAGS, "in" },
     { "al",    "alternating frames left first",       0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_LR},     0, 0, FLAGS, "in" },
     { "ar",    "alternating frames right first",      0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_RL},     0, 0, FLAGS, "in" },
     { "sbs2l", "side by side half width left first",  0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_LR},  0, 0, FLAGS, "in" },
@@ -175,9 +179,13 @@ static const AVOption stereo3d_options[] = {
     { "icr",   "interleave columns right first",      0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_COLS_RL}, 0, 0, FLAGS, "in" },
     { "out",   "set output format", OFFSET(out.format),  AV_OPT_TYPE_INT,   {.i64=ANAGLYPH_RC_DUBOIS}, 0, STEREO_CODE_COUNT-1, FLAGS, "out"},
     { "ab2l",  "above below half height left first",  0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_LR},   0, 0, FLAGS, "out" },
+    { "tb2l",  "above below half height left first",  0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_LR},   0, 0, FLAGS, "out" },
     { "ab2r",  "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL},   0, 0, FLAGS, "out" },
+    { "tb2r",  "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL},   0, 0, FLAGS, "out" },
     { "abl",   "above below left first",              0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR},     0, 0, FLAGS, "out" },
+    { "tbl",   "above below left first",              0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR},     0, 0, FLAGS, "out" },
     { "abr",   "above below right first",             0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL},     0, 0, FLAGS, "out" },
+    { "tbr",   "above below right first",             0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL},     0, 0, FLAGS, "out" },
     { "agmc",  "anaglyph green magenta color",        0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_COLOR},  0, 0, FLAGS, "out" },
     { "agmd",  "anaglyph green magenta dubois",       0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_DUBOIS}, 0, 0, FLAGS, "out" },
     { "agmg",  "anaglyph green magenta gray",         0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_GRAY},   0, 0, FLAGS, "out" },
@@ -551,8 +559,6 @@ static int config_output(AVFilterLink *outlink)
         break;
     case CHECKERBOARD_LR:
     case CHECKERBOARD_RL:
-        s->out.width     = s->width * 2;
-        break;
     case INTERLEAVE_COLS_LR:
     case INTERLEAVE_COLS_RL:
         s->out.width     = s->width * 2;
@@ -666,7 +672,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
     AVFilterContext *ctx  = inlink->dst;
     Stereo3DContext *s = ctx->priv;
     AVFilterLink *outlink = ctx->outputs[0];
-    AVFrame *out, *oleft, *oright, *ileft, *iright;
+    AVFrame *out = NULL, *oleft, *oright, *ileft, *iright;
     int out_off_left[4], out_off_right[4];
     int i, ret;
 
@@ -1076,6 +1082,7 @@ copy:
         av_frame_free(&s->prev);
         av_frame_free(&inpicref);
     }
+    av_assert0(out);
     out->sample_aspect_ratio = s->aspect;
     return ff_filter_frame(outlink, out);
 }
@@ -1105,7 +1112,7 @@ static const AVFilterPad stereo3d_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_vf_stereo3d = {
+const AVFilter ff_vf_stereo3d = {
     .name          = "stereo3d",
     .description   = NULL_IF_CONFIG_SMALL("Convert video stereoscopic 3D view."),
     .priv_size     = sizeof(Stereo3DContext),