* 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"
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
};
ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
AVFilterContext *ctx = outlink->src;
TransContext *trans = ctx->priv;
AVFilterLink *inlink = ctx->inputs[0];
- const AVPixFmtDescriptor *pixdesc = &av_pix_fmt_descriptors[outlink->format];
+ const AVPixFmtDescriptor *desc_out = av_pix_fmt_desc_get(outlink->format);
+ const AVPixFmtDescriptor *desc_in = av_pix_fmt_desc_get(inlink->format);
- trans->hsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_w;
- trans->vsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_h;
+ trans->hsub = desc_in->log2_chroma_w;
+ trans->vsub = desc_in->log2_chroma_h;
- av_image_fill_max_pixsteps(trans->pixsteps, NULL, pixdesc);
+ av_image_fill_max_pixsteps(trans->pixsteps, NULL, desc_out);
outlink->w = inlink->h;
outlink->h = inlink->w;
return 0;
}
-static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)
+static int filter_frame(AVFilterLink *inlink, AVFrame *in)
{
AVFilterLink *outlink = inlink->dst->outputs[0];
+ TransContext *trans = inlink->dst->priv;
+ AVFrame *out;
+ int plane;
- outlink->out_buf = ff_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 = picref->video->pixel_aspect;
- } else {
- outlink->out_buf->video->pixel_aspect.num = picref->video->pixel_aspect.den;
- outlink->out_buf->video->pixel_aspect.den = picref->video->pixel_aspect.num;
+ out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
+ if (!out) {
+ av_frame_free(&in);
+ return AVERROR(ENOMEM);
}
- ff_start_frame(outlink, avfilter_ref_buffer(outlink->out_buf, ~0));
-}
+ out->pts = in->pts;
-static void 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;
+ if (in->sample_aspect_ratio.num == 0) {
+ out->sample_aspect_ratio = in->sample_aspect_ratio;
+ } else {
+ out->sample_aspect_ratio.num = in->sample_aspect_ratio.den;
+ out->sample_aspect_ratio.den = in->sample_aspect_ratio.num;
+ }
- for (plane = 0; outpic->data[plane]; plane++) {
+ for (plane = 0; out->data[plane]; plane++) {
int hsub = plane == 1 || plane == 2 ? trans->hsub : 0;
int vsub = plane == 1 || plane == 2 ? trans->vsub : 0;
int pixstep = trans->pixsteps[plane];
- int inh = inpic->video->h>>vsub;
- int outw = outpic->video->w>>hsub;
- int outh = outpic->video->h>>vsub;
- uint8_t *out, *in;
- int outlinesize, inlinesize;
+ int inh = in->height >> vsub;
+ int outw = out->width >> hsub;
+ int outh = out->height >> vsub;
+ uint8_t *dst, *src;
+ int dstlinesize, srclinesize;
int x, y;
- out = outpic->data[plane]; outlinesize = outpic->linesize[plane];
- in = inpic ->data[plane]; inlinesize = inpic ->linesize[plane];
+ dst = out->data[plane];
+ dstlinesize = out->linesize[plane];
+ src = in->data[plane];
+ srclinesize = in->linesize[plane];
if (trans->dir&1) {
- in += inpic->linesize[plane] * (inh-1);
- inlinesize *= -1;
+ src += in->linesize[plane] * (inh-1);
+ srclinesize *= -1;
}
if (trans->dir&2) {
- out += outpic->linesize[plane] * (outh-1);
- outlinesize *= -1;
+ dst += out->linesize[plane] * (outh-1);
+ dstlinesize *= -1;
}
for (y = 0; y < outh; y++) {
switch (pixstep) {
case 1:
for (x = 0; x < outw; x++)
- out[x] = in[x*inlinesize + y];
+ dst[x] = src[x*srclinesize + y];
break;
case 2:
for (x = 0; x < outw; x++)
- *((uint16_t *)(out + 2*x)) = *((uint16_t *)(in + x*inlinesize + y*2));
+ *((uint16_t *)(dst + 2*x)) = *((uint16_t *)(src + x*srclinesize + y*2));
break;
case 3:
for (x = 0; x < outw; x++) {
- int32_t v = AV_RB24(in + x*inlinesize + y*3);
- AV_WB24(out + 3*x, v);
+ int32_t v = AV_RB24(src + x*srclinesize + y*3);
+ AV_WB24(dst + 3*x, v);
}
break;
case 4:
for (x = 0; x < outw; x++)
- *((uint32_t *)(out + 4*x)) = *((uint32_t *)(in + x*inlinesize + y*4));
+ *((uint32_t *)(dst + 4*x)) = *((uint32_t *)(src + x*srclinesize + y*4));
break;
}
- out += outlinesize;
+ dst += dstlinesize;
}
}
- avfilter_unref_buffer(inpic);
- ff_draw_slice(outlink, 0, outpic->video->h, 1);
- ff_end_frame(outlink);
- avfilter_unref_buffer(outpic);
+ av_frame_free(&in);
+ return ff_filter_frame(outlink, out);
}
+static const AVFilterPad avfilter_vf_transpose_inputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .filter_frame = filter_frame,
+ },
+ { NULL }
+};
+
+static const AVFilterPad avfilter_vf_transpose_outputs[] = {
+ {
+ .name = "default",
+ .config_props = config_props_output,
+ .type = AVMEDIA_TYPE_VIDEO,
+ },
+ { NULL }
+};
+
AVFilter avfilter_vf_transpose = {
.name = "transpose",
.description = NULL_IF_CONFIG_SMALL("Transpose input video."),
.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 = avfilter_vf_transpose_inputs,
+ .outputs = avfilter_vf_transpose_outputs,
};
projects / ffmpeg / blobdiff