On Mon, Jul 31, 2017 at 02:02:20PM +0200, Nicolas George wrote:
> Signed-off-by: Nicolas George <geo...@nsup.org>
> ---
> libavfilter/vf_overlay.c | 45 ++++-----------------------------------------
> 1 file changed, 4 insertions(+), 41 deletions(-)
>
> diff --git a/libavfilter/vf_overlay.c b/libavfilter/vf_overlay.c
> index c1d2a21c05..512df87630 100644
> --- a/libavfilter/vf_overlay.c
> +++ b/libavfilter/vf_overlay.c
> @@ -70,16 +70,6 @@ enum var_name {
> VAR_VARS_NB
> };
>
> -enum EOFAction {
> - EOF_ACTION_REPEAT,
> - EOF_ACTION_ENDALL,
> - EOF_ACTION_PASS
> -};
> -
> -static const char * const eof_action_str[] = {
> - "repeat", "endall", "pass"
> -};
> -
> #define MAIN 0
> #define OVERLAY 1
>
> @@ -131,10 +121,6 @@ typedef struct OverlayContext {
> double var_values[VAR_VARS_NB];
> char *x_expr, *y_expr;
>
> - int eof_action; ///< action to take on EOF from source
> - int opt_shortest;
> - int opt_repeatlast;
> -
> AVExpr *x_pexpr, *y_pexpr;
>
> void (*blend_image)(AVFilterContext *ctx, AVFrame *dst, const AVFrame
> *src, int x, int y);
> @@ -377,12 +363,11 @@ static int config_input_overlay(AVFilterLink *inlink)
> }
>
> av_log(ctx, AV_LOG_VERBOSE,
> - "main w:%d h:%d fmt:%s overlay w:%d h:%d fmt:%s eof_action:%s\n",
> + "main w:%d h:%d fmt:%s overlay w:%d h:%d fmt:%s\n",
> ctx->inputs[MAIN]->w, ctx->inputs[MAIN]->h,
> av_get_pix_fmt_name(ctx->inputs[MAIN]->format),
> ctx->inputs[OVERLAY]->w, ctx->inputs[OVERLAY]->h,
> - av_get_pix_fmt_name(ctx->inputs[OVERLAY]->format),
> - eof_action_str[s->eof_action]);
> + av_get_pix_fmt_name(ctx->inputs[OVERLAY]->format));
> return 0;
> }
>
> @@ -394,12 +379,6 @@ static int config_output(AVFilterLink *outlink)
>
> if ((ret = ff_framesync2_init_dualinput(&s->fs, ctx)) < 0)
> return ret;
> - if (s->opt_shortest)
> - s->fs.in[0].after = s->fs.in[1].after = EXT_STOP;
> - if (!s->opt_repeatlast) {
> - s->fs.in[1].after = EXT_NULL;
> - s->fs.in[1].sync = 0;
> - }
>
> outlink->w = ctx->inputs[MAIN]->w;
> outlink->h = ctx->inputs[MAIN]->h;
> @@ -818,15 +797,6 @@ static av_cold int init(AVFilterContext *ctx)
> {
> OverlayContext *s = ctx->priv;
>
> - if (!s->opt_repeatlast || s->eof_action == EOF_ACTION_PASS) {
> - s->opt_repeatlast = 0;
> - s->eof_action = EOF_ACTION_PASS;
> - }
> - if (s->opt_shortest || s->eof_action == EOF_ACTION_ENDALL) {
> - s->opt_shortest = 1;
> - s->eof_action = EOF_ACTION_ENDALL;
> - }
> -
> s->fs.on_event = do_blend;
> return 0;
> }
> @@ -843,16 +813,9 @@ static int activate(AVFilterContext *ctx)
> static const AVOption overlay_options[] = {
> { "x", "set the x expression", OFFSET(x_expr), AV_OPT_TYPE_STRING, {.str
> = "0"}, CHAR_MIN, CHAR_MAX, FLAGS },
> { "y", "set the y expression", OFFSET(y_expr), AV_OPT_TYPE_STRING, {.str
> = "0"}, CHAR_MIN, CHAR_MAX, FLAGS },
> - { "eof_action", "Action to take when encountering EOF from secondary
> input ",
> - OFFSET(eof_action), AV_OPT_TYPE_INT, { .i64 = EOF_ACTION_REPEAT },
> - EOF_ACTION_REPEAT, EOF_ACTION_PASS, .flags = FLAGS, "eof_action" },
> - { "repeat", "Repeat the previous frame.", 0, AV_OPT_TYPE_CONST, {
> .i64 = EOF_ACTION_REPEAT }, .flags = FLAGS, "eof_action" },
> - { "endall", "End both streams.", 0, AV_OPT_TYPE_CONST, {
> .i64 = EOF_ACTION_ENDALL }, .flags = FLAGS, "eof_action" },
> - { "pass", "Pass through the main input.", 0, AV_OPT_TYPE_CONST, {
> .i64 = EOF_ACTION_PASS }, .flags = FLAGS, "eof_action" },
> { "eval", "specify when to evaluate expressions", OFFSET(eval_mode),
> AV_OPT_TYPE_INT, {.i64 = EVAL_MODE_FRAME}, 0, EVAL_MODE_NB-1, FLAGS, "eval" },
> { "init", "eval expressions once during initialization", 0,
> AV_OPT_TYPE_CONST, {.i64=EVAL_MODE_INIT}, .flags = FLAGS, .unit = "eval" },
> { "frame", "eval expressions per-frame", 0,
> AV_OPT_TYPE_CONST, {.i64=EVAL_MODE_FRAME}, .flags = FLAGS, .unit = "eval" },
> - { "shortest", "force termination when the shortest input terminates",
> OFFSET(opt_shortest), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },
> { "format", "set output format", OFFSET(format), AV_OPT_TYPE_INT,
> {.i64=OVERLAY_FORMAT_YUV420}, 0, OVERLAY_FORMAT_NB-1, FLAGS, "format" },
> { "yuv420", "", 0, AV_OPT_TYPE_CONST, {.i64=OVERLAY_FORMAT_YUV420},
> .flags = FLAGS, .unit = "format" },
> { "yuv422", "", 0, AV_OPT_TYPE_CONST, {.i64=OVERLAY_FORMAT_YUV422},
> .flags = FLAGS, .unit = "format" },
> @@ -860,11 +823,10 @@ static const AVOption overlay_options[] = {
> { "rgb", "", 0, AV_OPT_TYPE_CONST, {.i64=OVERLAY_FORMAT_RGB},
> .flags = FLAGS, .unit = "format" },
> { "gbrp", "", 0, AV_OPT_TYPE_CONST, {.i64=OVERLAY_FORMAT_GBRP},
> .flags = FLAGS, .unit = "format" },
> { "auto", "", 0, AV_OPT_TYPE_CONST, {.i64=OVERLAY_FORMAT_AUTO},
> .flags = FLAGS, .unit = "format" },
> - { "repeatlast", "repeat overlay of the last overlay frame",
> OFFSET(opt_repeatlast), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS },
> { NULL }
> };
removing these elements causes command lines using them to fail
for example:
./ffmpeg -i matrixbench_mpeg2.mpg -i lena.pnm -filter_complex
'overlay=10:main_h-overlay_h-10:pass' -qscale 2 -t 1 file.avi
[overlay @ 0x3662fa0] [Eval @ 0x7ffd8a759260] Undefined constant or missing '('
in 'pass'
[overlay @ 0x3662fa0] Unable to parse option value "pass"
[overlay @ 0x3662fa0] [Eval @ 0x7ffd8a7592e0] Undefined constant or missing '('
in 'pass'
[overlay @ 0x3662fa0] Unable to parse option value "pass"
[overlay @ 0x3662fa0] Error setting option eval to value pass.
[Parsed_overlay_0 @ 0x3662ea0] Error applying options to the filter.
[AVFilterGraph @ 0x364f120] Error initializing filter 'overlay' with args
'10:main_h-overlay_h-10:pass'
Error initializing complex filters.
Invalid argument
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Concerning the gods, I have no means of knowing whether they exist or not
or of what sort they may be, because of the obscurity of the subject, and
the brevity of human life -- Protagoras
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