From eb07f4ccb5002e6268631d683fdb898fb3bb965b Mon Sep 17 00:00:00 2001 From: Stefano Sabatini Date: Tue, 1 May 2012 12:57:36 +0200 Subject: lavfi/drawtext: rename and document variables d_expr and d_pexpr Use the more expressive names draw_expr and draw_pexpr, also more consistent. --- libavfilter/vf_drawtext.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'libavfilter/vf_drawtext.c') diff --git a/libavfilter/vf_drawtext.c b/libavfilter/vf_drawtext.c index e12aa3dd4c..74a19c8ca2 100644 --- a/libavfilter/vf_drawtext.c +++ b/libavfilter/vf_drawtext.c @@ -147,8 +147,8 @@ typedef struct { AVExpr *x_pexpr, *y_pexpr; ///< parsed expressions for x and y int64_t basetime; ///< base pts time in the real world for display double var_values[VAR_VARS_NB]; - char *d_expr; - AVExpr *d_pexpr; + char *draw_expr; ///< expression for draw + AVExpr *draw_pexpr; ///< parsed expression for draw int draw; ///< set to zero to prevent drawing AVLFG prng; ///< random char *tc_opt_string; ///< specified timecode option string @@ -175,7 +175,7 @@ static const AVOption drawtext_options[]= { {"shadowy", "set y", OFFSET(shadowy), AV_OPT_TYPE_INT, {.dbl=0}, INT_MIN, INT_MAX }, {"tabsize", "set tab size", OFFSET(tabsize), AV_OPT_TYPE_INT, {.dbl=4}, 0, INT_MAX }, {"basetime", "set base time", OFFSET(basetime), AV_OPT_TYPE_INT64, {.dbl=AV_NOPTS_VALUE}, INT64_MIN, INT64_MAX }, -{"draw", "if false do not draw", OFFSET(d_expr), AV_OPT_TYPE_STRING, {.str="1"}, CHAR_MIN, CHAR_MAX }, +{"draw", "if false do not draw", OFFSET(draw_expr), AV_OPT_TYPE_STRING, {.str="1"}, CHAR_MIN, CHAR_MAX }, {"timecode", "set initial timecode", OFFSET(tc_opt_string), AV_OPT_TYPE_STRING, {.str=NULL}, CHAR_MIN, CHAR_MAX }, {"tc24hmax", "set 24 hours max (timecode only)", OFFSET(tc24hmax), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 }, {"r", "set rate (timecode only)", OFFSET(tc_rate), AV_OPT_TYPE_RATIONAL, {.dbl=0}, 0, INT_MAX }, @@ -515,7 +515,7 @@ static av_cold void uninit(AVFilterContext *ctx) av_expr_free(dtext->x_pexpr); dtext->x_pexpr = NULL; av_expr_free(dtext->y_pexpr); dtext->y_pexpr = NULL; - av_expr_free(dtext->d_pexpr); dtext->d_pexpr = NULL; + av_expr_free(dtext->draw_pexpr); dtext->draw_pexpr = NULL; av_freep(&dtext->boxcolor_string); av_freep(&dtext->expanded_text); @@ -525,7 +525,7 @@ static av_cold void uninit(AVFilterContext *ctx) av_freep(&dtext->text); av_freep(&dtext->x_expr); av_freep(&dtext->y_expr); - av_freep(&dtext->d_expr); + av_freep(&dtext->draw_expr); av_freep(&dtext->positions); dtext->nb_positions = 0; @@ -572,7 +572,7 @@ static int config_input(AVFilterLink *inlink) NULL, NULL, fun2_names, fun2, 0, ctx)) < 0 || (ret = av_expr_parse(&dtext->y_pexpr, dtext->y_expr, var_names, NULL, NULL, fun2_names, fun2, 0, ctx)) < 0 || - (ret = av_expr_parse(&dtext->d_pexpr, dtext->d_expr, var_names, + (ret = av_expr_parse(&dtext->draw_pexpr, dtext->draw_expr, var_names, NULL, NULL, fun2_names, fun2, 0, ctx)) < 0) return AVERROR(EINVAL); @@ -767,7 +767,7 @@ static int draw_text(AVFilterContext *ctx, AVFilterBufferRef *picref, dtext->x = dtext->var_values[VAR_X] = av_expr_eval(dtext->x_pexpr, dtext->var_values, &dtext->prng); dtext->y = dtext->var_values[VAR_Y] = av_expr_eval(dtext->y_pexpr, dtext->var_values, &dtext->prng); dtext->x = dtext->var_values[VAR_X] = av_expr_eval(dtext->x_pexpr, dtext->var_values, &dtext->prng); - dtext->draw = av_expr_eval(dtext->d_pexpr, dtext->var_values, &dtext->prng); + dtext->draw = av_expr_eval(dtext->draw_pexpr, dtext->var_values, &dtext->prng); if(!dtext->draw) return 0; -- cgit v1.2.3