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Diffstat (limited to 'libmpcodecs/vf_screenshot.c')
-rw-r--r--libmpcodecs/vf_screenshot.c181
1 files changed, 48 insertions, 133 deletions
diff --git a/libmpcodecs/vf_screenshot.c b/libmpcodecs/vf_screenshot.c
index 04f0d6e5d9..7f9a45c879 100644
--- a/libmpcodecs/vf_screenshot.c
+++ b/libmpcodecs/vf_screenshot.c
@@ -23,35 +23,21 @@
#include <string.h>
#include <inttypes.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-
-#include <libswscale/swscale.h>
-#include <libavcodec/avcodec.h>
-
#include "mp_msg.h"
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
#include "vf_scale.h"
#include "fmt-conversion.h"
+#include "libvo/fastmemcpy.h"
+#include <libswscale/swscale.h>
struct vf_priv_s {
- int frameno;
- char fname[102];
- /// shot stores current screenshot mode:
- /// 0: don't take screenshots
- /// 1: take single screenshot, reset to 0 afterwards
- /// 2: take screenshots of each frame
+ mp_image_t *image;
+ void (*image_callback)(void *, mp_image_t *);
+ void *image_callback_ctx;
int shot, store_slices;
- int dw, dh, stride;
- uint8_t *buffer;
- struct SwsContext *ctx;
- AVCodecContext *avctx;
- uint8_t *outbuffer;
- int outbuffer_size;
};
//===========================================================================//
@@ -60,102 +46,51 @@ static int config(struct vf_instance *vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt)
{
- vf->priv->ctx=sws_getContextFromCmdLine(width, height, outfmt,
- d_width, d_height, IMGFMT_RGB24);
-
- vf->priv->outbuffer_size = d_width * d_height * 3 * 2;
- vf->priv->outbuffer = realloc(vf->priv->outbuffer, vf->priv->outbuffer_size);
- vf->priv->avctx->width = d_width;
- vf->priv->avctx->height = d_height;
- vf->priv->avctx->pix_fmt = PIX_FMT_RGB24;
- vf->priv->avctx->compression_level = 0;
- vf->priv->dw = d_width;
- vf->priv->dh = d_height;
- vf->priv->stride = (3*vf->priv->dw+15)&~15;
-
- free(vf->priv->buffer); // probably reconfigured
- vf->priv->buffer = NULL;
-
+ free_mp_image(vf->priv->image);
+ vf->priv->image = new_mp_image(width, height);
+ mp_image_setfmt(vf->priv->image, outfmt);
+ vf->priv->image->w = d_width;
+ vf->priv->image->h = d_height;
return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
}
-static void write_png(struct vf_priv_s *priv)
-{
- char *fname = priv->fname;
- FILE * fp;
- AVFrame pic;
- int size;
-
- fp = fopen (fname, "wb");
- if (fp == NULL) {
- mp_msg(MSGT_VFILTER,MSGL_ERR,"\nPNG Error opening %s for writing!\n", fname);
- return;
- }
-
- pic.data[0] = priv->buffer;
- pic.linesize[0] = priv->stride;
- size = avcodec_encode_video(priv->avctx, priv->outbuffer, priv->outbuffer_size, &pic);
- if (size > 0)
- fwrite(priv->outbuffer, size, 1, fp);
-
- fclose (fp);
-}
-
-static int fexists(char *fname)
-{
- struct stat dummy;
- if (stat(fname, &dummy) == 0) return 1;
- else return 0;
-}
-
-static void gen_fname(struct vf_priv_s* priv)
-{
- do {
- snprintf (priv->fname, 100, "shot%04d.png", ++priv->frameno);
- } while (fexists(priv->fname) && priv->frameno < 100000);
- if (fexists(priv->fname)) {
- priv->fname[0] = '\0';
- return;
- }
-
- mp_msg(MSGT_VFILTER,MSGL_INFO,"*** screenshot '%s' ***\n",priv->fname);
-
-}
-
-static void scale_image(struct vf_priv_s* priv, mp_image_t *mpi)
-{
- uint8_t *dst[MP_MAX_PLANES] = {NULL};
- int dst_stride[MP_MAX_PLANES] = {0};
-
- dst_stride[0] = priv->stride;
- if (!priv->buffer)
- priv->buffer = av_malloc(dst_stride[0]*priv->dh);
-
- dst[0] = priv->buffer;
- sws_scale(priv->ctx, (const uint8_t **)mpi->planes, mpi->stride, 0, priv->dh, dst, dst_stride);
-}
-
static void start_slice(struct vf_instance *vf, mp_image_t *mpi)
{
vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
mpi->type, mpi->flags, mpi->width, mpi->height);
if (vf->priv->shot) {
vf->priv->store_slices = 1;
- if (!vf->priv->buffer)
- vf->priv->buffer = av_malloc(vf->priv->stride*vf->priv->dh);
+ if (!(vf->priv->image->flags & MP_IMGFLAG_ALLOCATED))
+ mp_image_alloc_planes(vf->priv->image);
}
}
+static void memcpy_pic_slice(unsigned char *dst, unsigned char *src,
+ int bytesPerLine, int y, int h,
+ int dstStride, int srcStride)
+{
+ memcpy_pic(dst + h * dstStride, src + h * srcStride, bytesPerLine,
+ h, dstStride, srcStride);
+}
+
static void draw_slice(struct vf_instance *vf, unsigned char** src,
int* stride, int w,int h, int x, int y)
{
if (vf->priv->store_slices) {
- uint8_t *dst[MP_MAX_PLANES] = {NULL};
- int dst_stride[MP_MAX_PLANES] = {0};
- dst_stride[0] = vf->priv->stride;
- dst[0] = vf->priv->buffer;
- sws_scale(vf->priv->ctx, (const uint8_t **)src, stride, y, h, dst, dst_stride);
+ mp_image_t *dst = vf->priv->image;
+ int bp = (dst->bpp + 7) / 8;
+
+ if (dst->flags & MP_IMGFLAG_PLANAR) {
+ int bytes_per_line[3] = { w * bp, dst->chroma_width, dst->chroma_width };
+ for (int n = 0; n < 3; n++) {
+ memcpy_pic_slice(dst->planes[n], src[n], bytes_per_line[n],
+ y, h, dst->stride[n], stride[n]);
+ }
+ } else {
+ memcpy_pic_slice(dst->planes[0], src[0], dst->w*bp, y, dst->h,
+ dst->stride[0], stride[0]);
+ }
}
vf_next_draw_slice(vf,src,stride,w,h,x,y);
}
@@ -200,14 +135,15 @@ static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts)
}
if(vf->priv->shot) {
- if (vf->priv->shot==1)
- vf->priv->shot=0;
- gen_fname(vf->priv);
- if (vf->priv->fname[0]) {
- if (!vf->priv->store_slices)
- scale_image(vf->priv, dmpi);
- write_png(vf->priv);
- }
+ vf->priv->shot=0;
+ mp_image_t image;
+ if (!vf->priv->store_slices)
+ image = *dmpi;
+ else
+ image = *vf->priv->image;
+ image.w = vf->priv->image->w;
+ image.h = vf->priv->image->h;
+ vf->priv->image_callback(vf->priv->image_callback_ctx, &image);
vf->priv->store_slices = 0;
}
@@ -216,20 +152,11 @@ static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts)
static int control (vf_instance_t *vf, int request, void *data)
{
- /** data contains an integer argument
- * 0: take screenshot with the next frame
- * 1: take screenshots with each frame until the same command is given once again
- **/
if(request==VFCTRL_SCREENSHOT) {
- if (data && *(int*)data) { // repeated screenshot mode
- if (vf->priv->shot==2)
- vf->priv->shot=0;
- else
- vf->priv->shot=2;
- } else { // single screenshot
- if (!vf->priv->shot)
- vf->priv->shot=1;
- }
+ struct vf_ctrl_screenshot *cmd = (struct vf_ctrl_screenshot *)data;
+ vf->priv->image_callback = cmd->image_callback;
+ vf->priv->image_callback_ctx = cmd->image_callback_ctx;
+ vf->priv->shot=1;
return CONTROL_TRUE;
}
return vf_next_control (vf, request, data);
@@ -249,11 +176,7 @@ static int query_format(struct vf_instance *vf, unsigned int fmt)
static void uninit(vf_instance_t *vf)
{
- avcodec_close(vf->priv->avctx);
- av_freep(&vf->priv->avctx);
- if(vf->priv->ctx) sws_freeContext(vf->priv->ctx);
- av_free(vf->priv->buffer);
- free(vf->priv->outbuffer);
+ free_mp_image(vf->priv->image);
free(vf->priv);
}
@@ -268,17 +191,9 @@ static int vf_open(vf_instance_t *vf, char *args)
vf->get_image=get_image;
vf->uninit=uninit;
vf->priv=malloc(sizeof(struct vf_priv_s));
- vf->priv->frameno=0;
vf->priv->shot=0;
vf->priv->store_slices=0;
- vf->priv->buffer=0;
- vf->priv->outbuffer=0;
- vf->priv->ctx=0;
- vf->priv->avctx = avcodec_alloc_context();
- if (avcodec_open(vf->priv->avctx, avcodec_find_encoder(CODEC_ID_PNG))) {
- mp_msg(MSGT_VFILTER, MSGL_FATAL, "Could not open libavcodec PNG encoder\n");
- return 0;
- }
+ vf->priv->image=NULL;
return 1;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-01 16:19:34 +0000