/*
- * copyright (c) 2007 Bobby Bingham
+ * Copyright (c) 2007 Bobby Bingham
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
* format and noformat video filters
*/
+#include <string.h>
+
+#include "libavutil/internal.h"
+#include "libavutil/mem.h"
#include "libavutil/pixdesc.h"
+#include "libavutil/opt.h"
+
#include "avfilter.h"
+#include "formats.h"
+#include "internal.h"
+#include "video.h"
typedef struct {
+ const AVClass *class;
+ char *pix_fmts;
/**
* List of flags telling if a given image format has been listed
* as argument to the filter.
*/
- int listed_pix_fmt_flags[PIX_FMT_NB];
+ int listed_pix_fmt_flags[AV_PIX_FMT_NB];
} FormatContext;
-#define PIX_FMT_NAME_MAXSIZE 32
+#define AV_PIX_FMT_NAME_MAXSIZE 32
-static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
+static av_cold int init(AVFilterContext *ctx)
{
FormatContext *format = ctx->priv;
const char *cur, *sep;
- char pix_fmt_name[PIX_FMT_NAME_MAXSIZE];
+ char pix_fmt_name[AV_PIX_FMT_NAME_MAXSIZE];
int pix_fmt_name_len;
- enum PixelFormat pix_fmt;
+ enum AVPixelFormat pix_fmt;
/* parse the list of formats */
- for (cur = args; cur; cur = sep ? sep+1 : NULL) {
- if (!(sep = strchr(cur, ':')))
+ for (cur = format->pix_fmts; cur; cur = sep ? sep + 1 : NULL) {
+ if (!(sep = strchr(cur, '|')))
pix_fmt_name_len = strlen(cur);
else
pix_fmt_name_len = sep - cur;
- if (pix_fmt_name_len >= PIX_FMT_NAME_MAXSIZE) {
+ if (pix_fmt_name_len >= AV_PIX_FMT_NAME_MAXSIZE) {
av_log(ctx, AV_LOG_ERROR, "Format name too long\n");
return -1;
}
pix_fmt_name[pix_fmt_name_len] = 0;
pix_fmt = av_get_pix_fmt(pix_fmt_name);
- if (pix_fmt == PIX_FMT_NONE) {
+ if (pix_fmt == AV_PIX_FMT_NONE) {
av_log(ctx, AV_LOG_ERROR, "Unknown pixel format: %s\n", pix_fmt_name);
return -1;
}
static AVFilterFormats *make_format_list(FormatContext *format, int flag)
{
AVFilterFormats *formats;
- enum PixelFormat pix_fmt;
+ enum AVPixelFormat pix_fmt;
formats = av_mallocz(sizeof(AVFilterFormats));
- formats->formats = av_malloc(sizeof(enum PixelFormat) * PIX_FMT_NB);
+ formats->formats = av_malloc(sizeof(enum AVPixelFormat) * AV_PIX_FMT_NB);
- for (pix_fmt = 0; pix_fmt < PIX_FMT_NB; pix_fmt++)
+ for (pix_fmt = 0; pix_fmt < AV_PIX_FMT_NB; pix_fmt++)
if (format->listed_pix_fmt_flags[pix_fmt] == flag)
formats->formats[formats->format_count++] = pix_fmt;
return formats;
}
+#define OFFSET(x) offsetof(FormatContext, x)
+static const AVOption options[] = {
+ { "pix_fmts", "A '|'-separated list of pixel formats", OFFSET(pix_fmts), AV_OPT_TYPE_STRING, .flags = AV_OPT_FLAG_VIDEO_PARAM },
+ { NULL },
+};
+
#if CONFIG_FORMAT_FILTER
static int query_formats_format(AVFilterContext *ctx)
{
- avfilter_set_common_formats(ctx, make_format_list(ctx->priv, 1));
+ ff_set_common_formats(ctx, make_format_list(ctx->priv, 1));
return 0;
}
+static const AVClass format_class = {
+ .class_name = "format",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVFilterPad avfilter_vf_format_inputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .get_video_buffer = ff_null_get_video_buffer,
+ },
+ { NULL }
+};
+
+static const AVFilterPad avfilter_vf_format_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO
+ },
+ { NULL }
+};
+
AVFilter avfilter_vf_format = {
.name = "format",
- .description = "Convert the input video to one of the specified pixel formats.",
+ .description = NULL_IF_CONFIG_SMALL("Convert the input video to one of the specified pixel formats."),
.init = init,
.query_formats = query_formats_format,
.priv_size = sizeof(FormatContext),
+ .priv_class = &format_class,
- .inputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .get_video_buffer= avfilter_null_get_video_buffer,
- .start_frame = avfilter_null_start_frame,
- .draw_slice = avfilter_null_draw_slice,
- .end_frame = avfilter_null_end_frame, },
- { .name = NULL}},
- .outputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO },
- { .name = NULL}},
+ .inputs = avfilter_vf_format_inputs,
+ .outputs = avfilter_vf_format_outputs,
};
#endif /* CONFIG_FORMAT_FILTER */
#if CONFIG_NOFORMAT_FILTER
static int query_formats_noformat(AVFilterContext *ctx)
{
- avfilter_set_common_formats(ctx, make_format_list(ctx->priv, 0));
+ ff_set_common_formats(ctx, make_format_list(ctx->priv, 0));
return 0;
}
+static const AVClass noformat_class = {
+ .class_name = "noformat",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVFilterPad avfilter_vf_noformat_inputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .get_video_buffer = ff_null_get_video_buffer,
+ },
+ { NULL }
+};
+
+static const AVFilterPad avfilter_vf_noformat_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO
+ },
+ { NULL }
+};
+
AVFilter avfilter_vf_noformat = {
.name = "noformat",
- .description = "Force libavfilter not to use any of the specified pixel formats for the input to the next filter.",
+ .description = NULL_IF_CONFIG_SMALL("Force libavfilter not to use any of the specified pixel formats for the input to the next filter."),
.init = init,
.query_formats = query_formats_noformat,
.priv_size = sizeof(FormatContext),
+ .priv_class = &noformat_class,
- .inputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .get_video_buffer= avfilter_null_get_video_buffer,
- .start_frame = avfilter_null_start_frame,
- .draw_slice = avfilter_null_draw_slice,
- .end_frame = avfilter_null_end_frame, },
- { .name = NULL}},
- .outputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO },
- { .name = NULL}},
+ .inputs = avfilter_vf_noformat_inputs,
+ .outputs = avfilter_vf_noformat_outputs,
};
#endif /* CONFIG_NOFORMAT_FILTER */
-