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Merge commit '8ec464c61c46a5d088b43d24e384d6c37b7ef14a' 

* commit '8ec464c61c46a5d088b43d24e384d6c37b7ef14a':
  vf_drawtext: switch to an AVOptions-based system.

Conflicts:
	libavfilter/vf_drawtext.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-04-10 18:27:40 +02:00
parent 0726d516dc 8ec464c61c
commit d70b494422
3 changed files with 21 additions and 29 deletions
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3
doc/filters.texi
View File

@ -2671,9 +2671,6 @@ To enable compilation of this filter you need to configure FFmpeg with
@subsection Syntax
The filter accepts parameters as a list of @var{key}=@var{value} pairs,
separated by ":".
The description of the accepted parameters follows.
@table @option

1
libavfilter/avfilter.c
View File

@ -663,6 +663,7 @@ int avfilter_init_filter(AVFilterContext *filter, const char *args, void *opaque
!strcmp(filter->filter->name, "cropdetect") ||
!strcmp(filter->filter->name, "delogo" ) ||
!strcmp(filter->filter->name, "drawbox" ) ||
!strcmp(filter->filter->name, "drawtext" ) ||
!strcmp(filter->filter->name, "format") ||
!strcmp(filter->filter->name, "noformat") ||
!strcmp(filter->filter->name, "resample")

46
libavfilter/vf_drawtext.c
View File

@ -201,24 +201,24 @@ static const AVOption drawtext_options[]= {
{"reload", "reload text file for each frame", OFFSET(reload), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS},
{"fix_bounds", "if true, check and fix text coords to avoid clipping", OFFSET(fix_bounds), AV_OPT_TYPE_INT, {.i64=1}, 0, 1, FLAGS},
/* FT_LOAD_* flags */
{"ft_load_flags", "set font loading flags for libfreetype", OFFSET(ft_load_flags), AV_OPT_TYPE_FLAGS, {.i64=FT_LOAD_DEFAULT|FT_LOAD_RENDER}, 0, INT_MAX, FLAGS, "ft_load_flags"},
{"default", "set default", 0, AV_OPT_TYPE_CONST, {.i64=FT_LOAD_DEFAULT}, INT_MIN, INT_MAX, FLAGS, "ft_load_flags"},
{"no_scale", "set no_scale", 0, AV_OPT_TYPE_CONST, {.i64=FT_LOAD_NO_SCALE}, INT_MIN, INT_MAX, FLAGS, "ft_load_flags"},
{"no_hinting", "set no_hinting", 0, AV_OPT_TYPE_CONST, {.i64=FT_LOAD_NO_HINTING}, INT_MIN, INT_MAX, FLAGS, "ft_load_flags"},
{"render", "set render", 0, AV_OPT_TYPE_CONST, {.i64=FT_LOAD_RENDER}, INT_MIN, INT_MAX, FLAGS, "ft_load_flags"},
{"no_bitmap", "set no_bitmap", 0, AV_OPT_TYPE_CONST, {.i64=FT_LOAD_NO_BITMAP}, INT_MIN, INT_MAX, FLAGS, "ft_load_flags"},
{"vertical_layout", "set vertical_layout", 0, AV_OPT_TYPE_CONST, {.i64=FT_LOAD_VERTICAL_LAYOUT}, INT_MIN, INT_MAX, FLAGS, "ft_load_flags"},
{"force_autohint", "set force_autohint", 0, AV_OPT_TYPE_CONST, {.i64=FT_LOAD_FORCE_AUTOHINT}, INT_MIN, INT_MAX, FLAGS, "ft_load_flags"},
{"crop_bitmap", "set crop_bitmap", 0, AV_OPT_TYPE_CONST, {.i64=FT_LOAD_CROP_BITMAP}, INT_MIN, INT_MAX, FLAGS, "ft_load_flags"},
{"pedantic", "set pedantic", 0, AV_OPT_TYPE_CONST, {.i64=FT_LOAD_PEDANTIC}, INT_MIN, INT_MAX, FLAGS, "ft_load_flags"},
{"ignore_global_advance_width", "set ignore_global_advance_width", 0, AV_OPT_TYPE_CONST, {.i64=FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH}, INT_MIN, INT_MAX, FLAGS, "ft_load_flags"},
{"no_recurse", "set no_recurse", 0, AV_OPT_TYPE_CONST, {.i64=FT_LOAD_NO_RECURSE}, INT_MIN, INT_MAX, FLAGS, "ft_load_flags"},
{"ignore_transform", "set ignore_transform", 0, AV_OPT_TYPE_CONST, {.i64=FT_LOAD_IGNORE_TRANSFORM}, INT_MIN, INT_MAX, FLAGS, "ft_load_flags"},
{"monochrome", "set monochrome", 0, AV_OPT_TYPE_CONST, {.i64=FT_LOAD_MONOCHROME}, INT_MIN, INT_MAX, FLAGS, "ft_load_flags"},
{"linear_design", "set linear_design", 0, AV_OPT_TYPE_CONST, {.i64=FT_LOAD_LINEAR_DESIGN}, INT_MIN, INT_MAX, FLAGS, "ft_load_flags"},
{"no_autohint", "set no_autohint", 0, AV_OPT_TYPE_CONST, {.i64=FT_LOAD_NO_AUTOHINT}, INT_MIN, INT_MAX, FLAGS, "ft_load_flags"},
{NULL},
/* FT_LOAD_* flags */
{ "ft_load_flags", "set font loading flags for libfreetype", OFFSET(ft_load_flags), AV_OPT_TYPE_FLAGS, { .i64 = FT_LOAD_DEFAULT | FT_LOAD_RENDER}, 0, INT_MAX, FLAGS, "ft_load_flags" },
{ "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FT_LOAD_DEFAULT }, .flags = FLAGS, .unit = "ft_load_flags" },
{ "no_scale", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FT_LOAD_NO_SCALE }, .flags = FLAGS, .unit = "ft_load_flags" },
{ "no_hinting", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FT_LOAD_NO_HINTING }, .flags = FLAGS, .unit = "ft_load_flags" },
{ "render", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FT_LOAD_RENDER }, .flags = FLAGS, .unit = "ft_load_flags" },
{ "no_bitmap", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FT_LOAD_NO_BITMAP }, .flags = FLAGS, .unit = "ft_load_flags" },
{ "vertical_layout", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FT_LOAD_VERTICAL_LAYOUT }, .flags = FLAGS, .unit = "ft_load_flags" },
{ "force_autohint", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FT_LOAD_FORCE_AUTOHINT }, .flags = FLAGS, .unit = "ft_load_flags" },
{ "crop_bitmap", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FT_LOAD_CROP_BITMAP }, .flags = FLAGS, .unit = "ft_load_flags" },
{ "pedantic", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FT_LOAD_PEDANTIC }, .flags = FLAGS, .unit = "ft_load_flags" },
{ "ignore_global_advance_width", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH }, .flags = FLAGS, .unit = "ft_load_flags" },
{ "no_recurse", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FT_LOAD_NO_RECURSE }, .flags = FLAGS, .unit = "ft_load_flags" },
{ "ignore_transform", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FT_LOAD_IGNORE_TRANSFORM }, .flags = FLAGS, .unit = "ft_load_flags" },
{ "monochrome", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FT_LOAD_MONOCHROME }, .flags = FLAGS, .unit = "ft_load_flags" },
{ "linear_design", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FT_LOAD_LINEAR_DESIGN }, .flags = FLAGS, .unit = "ft_load_flags" },
{ "no_autohint", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FT_LOAD_NO_AUTOHINT }, .flags = FLAGS, .unit = "ft_load_flags" },
{ NULL},
};
AVFILTER_DEFINE_CLASS(drawtext);
@ -422,12 +422,6 @@ static av_cold int init(AVFilterContext *ctx, const char *args)
DrawTextContext *dtext = ctx->priv;
Glyph *glyph;
dtext->class = &drawtext_class;
av_opt_set_defaults(dtext);
if ((err = av_set_options_string(dtext, args, "=", ":")) < 0)
return err;
if (!dtext->fontfile && !CONFIG_FONTCONFIG) {
av_log(ctx, AV_LOG_ERROR, "No font filename provided\n");
return AVERROR(EINVAL);
@ -542,11 +536,11 @@ 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->draw_pexpr); dtext->draw_pexpr = NULL;
av_opt_free(dtext);
av_freep(&dtext->positions);
dtext->nb_positions = 0;
av_tree_enumerate(dtext->glyphs, NULL, NULL, glyph_enu_free);
av_tree_destroy(dtext->glyphs);
dtext->glyphs = NULL;
@ -1028,6 +1022,7 @@ AVFilter avfilter_vf_drawtext = {
.name = "drawtext",
.description = NULL_IF_CONFIG_SMALL("Draw text on top of video frames using libfreetype library."),
.priv_size = sizeof(DrawTextContext),
.priv_class = &drawtext_class,
.init = init,
.uninit = uninit,
.query_formats = query_formats,
@ -1035,5 +1030,4 @@ AVFilter avfilter_vf_drawtext = {
.inputs = avfilter_vf_drawtext_inputs,
.outputs = avfilter_vf_drawtext_outputs,
.process_command = command,
.priv_class = &drawtext_class,
};