* Copyright (c) 2010 Stefano Sabatini
* Copyright (c) 2008 Vitor Sessak
*
- * 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
*/
* Based on MPlayer libmpcodecs/vf_rotate.c.
*/
+#include <stdio.h>
+
#include "libavutil/intreadwrite.h"
#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"
+#include "libavutil/internal.h"
#include "avfilter.h"
+#include "formats.h"
+#include "internal.h"
+#include "video.h"
typedef struct {
int hsub, vsub;
int dir;
} TransContext;
-static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
+static av_cold int init(AVFilterContext *ctx, const char *args)
{
TransContext *trans = ctx->priv;
trans->dir = 0;
static int query_formats(AVFilterContext *ctx)
{
- enum PixelFormat pix_fmts[] = {
- PIX_FMT_ARGB, PIX_FMT_RGBA,
- PIX_FMT_ABGR, PIX_FMT_BGRA,
- PIX_FMT_RGB24, PIX_FMT_BGR24,
- PIX_FMT_RGB565BE, PIX_FMT_RGB565LE,
- PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,
- PIX_FMT_BGR565BE, PIX_FMT_BGR565LE,
- PIX_FMT_BGR555BE, PIX_FMT_BGR555LE,
- PIX_FMT_GRAY16BE, PIX_FMT_GRAY16LE,
- PIX_FMT_YUV420P16LE, PIX_FMT_YUV420P16BE,
- PIX_FMT_YUV422P16LE, PIX_FMT_YUV422P16BE,
- PIX_FMT_YUV444P16LE, PIX_FMT_YUV444P16BE,
- PIX_FMT_NV12, PIX_FMT_NV21,
- PIX_FMT_RGB8, PIX_FMT_BGR8,
- PIX_FMT_RGB4_BYTE, PIX_FMT_BGR4_BYTE,
- PIX_FMT_YUV444P, PIX_FMT_YUV422P,
- PIX_FMT_YUV420P, PIX_FMT_YUVJ420P,
- PIX_FMT_YUV411P, PIX_FMT_YUV410P,
- PIX_FMT_YUVJ444P, PIX_FMT_YUVJ422P,
- PIX_FMT_YUV440P, PIX_FMT_YUVJ440P,
- PIX_FMT_YUVA420P, PIX_FMT_GRAY8,
- PIX_FMT_NONE
+ enum AVPixelFormat pix_fmts[] = {
+ AV_PIX_FMT_ARGB, AV_PIX_FMT_RGBA,
+ AV_PIX_FMT_ABGR, AV_PIX_FMT_BGRA,
+ AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24,
+ AV_PIX_FMT_RGB565BE, AV_PIX_FMT_RGB565LE,
+ AV_PIX_FMT_RGB555BE, AV_PIX_FMT_RGB555LE,
+ AV_PIX_FMT_BGR565BE, AV_PIX_FMT_BGR565LE,
+ AV_PIX_FMT_BGR555BE, AV_PIX_FMT_BGR555LE,
+ AV_PIX_FMT_GRAY16BE, AV_PIX_FMT_GRAY16LE,
+ AV_PIX_FMT_YUV420P16LE, AV_PIX_FMT_YUV420P16BE,
+ AV_PIX_FMT_YUV422P16LE, AV_PIX_FMT_YUV422P16BE,
+ AV_PIX_FMT_YUV444P16LE, AV_PIX_FMT_YUV444P16BE,
+ AV_PIX_FMT_NV12, AV_PIX_FMT_NV21,
+ AV_PIX_FMT_RGB8, AV_PIX_FMT_BGR8,
+ AV_PIX_FMT_RGB4_BYTE, AV_PIX_FMT_BGR4_BYTE,
+ AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P,
+ AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVJ420P,
+ AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,
+ AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ422P,
+ AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUVJ440P,
+ AV_PIX_FMT_YUVA420P, AV_PIX_FMT_GRAY8,
+ AV_PIX_FMT_NONE
};
- avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
+ ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
return 0;
}
} else
outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
- av_log(ctx, AV_LOG_INFO, "w:%d h:%d dir:%d -> w:%d h:%d rotation:%s vflip:%d\n",
+ av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d dir:%d -> w:%d h:%d rotation:%s vflip:%d\n",
inlink->w, inlink->h, trans->dir, outlink->w, outlink->h,
trans->dir == 1 || trans->dir == 3 ? "clockwise" : "counterclockwise",
trans->dir == 0 || trans->dir == 3);
return 0;
}
-static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)
+static int start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)
{
AVFilterLink *outlink = inlink->dst->outputs[0];
+ AVFilterBufferRef *buf_out;
+
+ outlink->out_buf = ff_get_video_buffer(outlink, AV_PERM_WRITE,
+ outlink->w, outlink->h);
+ if (!outlink->out_buf)
+ return AVERROR(ENOMEM);
- outlink->out_buf = avfilter_get_video_buffer(outlink, AV_PERM_WRITE,
- outlink->w, outlink->h);
outlink->out_buf->pts = picref->pts;
if (picref->video->pixel_aspect.num == 0) {
outlink->out_buf->video->pixel_aspect.den = picref->video->pixel_aspect.num;
}
- avfilter_start_frame(outlink, avfilter_ref_buffer(outlink->out_buf, ~0));
+ buf_out = avfilter_ref_buffer(outlink->out_buf, ~0);
+ if (!buf_out)
+ return AVERROR(ENOMEM);
+ return ff_start_frame(outlink, buf_out);
}
-static void end_frame(AVFilterLink *inlink)
+static int end_frame(AVFilterLink *inlink)
{
TransContext *trans = inlink->dst->priv;
AVFilterBufferRef *inpic = inlink->cur_buf;
AVFilterBufferRef *outpic = inlink->dst->outputs[0]->out_buf;
AVFilterLink *outlink = inlink->dst->outputs[0];
- int plane;
+ int plane, ret;
for (plane = 0; outpic->data[plane]; plane++) {
int hsub = plane == 1 || plane == 2 ? trans->hsub : 0;
}
}
- avfilter_unref_buffer(inpic);
- avfilter_draw_slice(outlink, 0, outpic->video->h, 1);
- avfilter_end_frame(outlink);
- avfilter_unref_buffer(outpic);
+ if ((ret = ff_draw_slice(outlink, 0, outpic->video->h, 1)) < 0 ||
+ (ret = ff_end_frame(outlink)) < 0)
+ return ret;
+ return 0;
}
AVFilter avfilter_vf_transpose = {
.query_formats = query_formats,
- .inputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .start_frame = start_frame,
- .end_frame = end_frame,
- .min_perms = AV_PERM_READ, },
- { .name = NULL}},
- .outputs = (AVFilterPad[]) {{ .name = "default",
- .config_props = config_props_output,
- .type = AVMEDIA_TYPE_VIDEO, },
- { .name = NULL}},
+ .inputs = (const AVFilterPad[]) {{ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .start_frame = start_frame,
+ .end_frame = end_frame,
+ .min_perms = AV_PERM_READ, },
+ { .name = NULL}},
+ .outputs = (const AVFilterPad[]) {{ .name = "default",
+ .config_props = config_props_output,
+ .type = AVMEDIA_TYPE_VIDEO, },
+ { .name = NULL}},
};
projects / libav.git / blobdiff