예제 #1
0
static void uninit(vf_instance_t *vf) {
     vf->priv=NULL;
     if(pause_mpi) {
       free_mp_image(pause_mpi);
       pause_mpi = NULL;
     }
}
예제 #2
0
파일: image_writer.c 프로젝트: kax4/mpv
int write_image(struct mp_image *image, const struct image_writer_opts *opts,
                const char *filename)
{
    struct mp_image *allocated_image = NULL;
    struct image_writer_opts defs = image_writer_opts_defaults;
    int d_w = image->display_w ? image->display_w : image->w;
    int d_h = image->display_h ? image->display_h : image->h;
    bool is_anamorphic = image->w != d_w || image->h != d_h;

    if (!opts)
        opts = &defs;

    const struct img_writer *writer = get_writer(opts);
    struct image_writer_ctx ctx = { opts, writer };
    int destfmt = IMGFMT_RGB24;

    if (writer->pixfmts) {
        destfmt = writer->pixfmts[0];   // default to first pixel format
        for (int *fmt = writer->pixfmts; *fmt; fmt++) {
            if (*fmt == image->imgfmt) {
                destfmt = *fmt;
                break;
            }
        }
    }

    // Caveat: - no colorspace/levels conversion done if pixel formats equal
    //         - RGB->YUV assumes BT.601
    //         - color levels broken in various ways thanks to libswscale
    if (image->imgfmt != destfmt || is_anamorphic) {
        struct mp_image *dst = alloc_mpi(d_w, d_h, destfmt);
        vf_clone_mpi_attributes(dst, image);

        int flags = SWS_LANCZOS | SWS_FULL_CHR_H_INT | SWS_FULL_CHR_H_INP |
                    SWS_ACCURATE_RND | SWS_BITEXACT;

        mp_image_swscale(dst, image, flags);

        allocated_image = dst;
        image = dst;
    }

    FILE *fp = fopen(filename, "wb");
    int success = 0;
    if (fp == NULL) {
        mp_msg(MSGT_CPLAYER, MSGL_ERR,
               "Error opening '%s' for writing!\n", filename);
    } else {
        success = writer->write(&ctx, image, fp);
        success = !fclose(fp) && success;
        if (!success)
            mp_msg(MSGT_CPLAYER, MSGL_ERR, "Error writing file '%s'!\n",
                   filename);
    }

    free_mp_image(allocated_image);

    return success;
}
예제 #3
0
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts){
  mp_image_t *dmpi = NULL;

  if (vf->priv->passthrough) {
    dmpi=vf_get_image(vf->next, IMGFMT_MPEGPES, MP_IMGTYPE_EXPORT,
                      0, mpi->w, mpi->h);
    dmpi->planes[0]=mpi->planes[0];
    return vf_next_put_image(vf,dmpi, pts);
  }

  if(vf->priv->current->show 
  || (vf->priv->current->parent && vf->priv->current->parent->show)) {
  // Close all menu who requested it
  while(vf->priv->current->cl && vf->priv->current != vf->priv->root) {
    menu_t* m = vf->priv->current;
    vf->priv->current = m->parent ? m->parent :  vf->priv->root;
    menu_close(m);
  }

  // Step 1 : save the picture
  while(go2pause == 1) {
    static char delay = 0; // Hack : wait the 2 frame to be sure to show the right picture
    delay ^= 1; // after a seek
    if(!delay) break;

    if(pause_mpi && (mpi->w != pause_mpi->w || mpi->h != pause_mpi->h ||
		     mpi->imgfmt != pause_mpi->imgfmt)) {
      free_mp_image(pause_mpi);
      pause_mpi = NULL;
    }
    if(!pause_mpi)
      pause_mpi = alloc_mpi(mpi->w,mpi->h,mpi->imgfmt);
    copy_mpi(pause_mpi,mpi);
    mp_input_queue_cmd(mp_input_parse_cmd("pause"));
    go2pause = 2;
    break;
  }

  // Grab // Ungrab the keys
  if(!mp_input_key_cb && vf->priv->current->show)
    mp_input_key_cb = key_cb;
  if(mp_input_key_cb && !vf->priv->current->show)
    mp_input_key_cb = NULL;

  if(mpi->flags&MP_IMGFLAG_DIRECT)
    dmpi = mpi->priv;
  else {
    dmpi = vf_get_image(vf->next,mpi->imgfmt,
			MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
			mpi->w,mpi->h);
    copy_mpi(dmpi,mpi);
  }
  menu_draw(vf->priv->current,dmpi);

  } else {
    if(mp_input_key_cb)
      mp_input_key_cb = NULL;

    if(mpi->flags&MP_IMGFLAG_DIRECT)
      dmpi = mpi->priv;
    else {
      dmpi = vf_get_image(vf->next,mpi->imgfmt,
                          MP_IMGTYPE_EXPORT, MP_IMGFLAG_ACCEPT_STRIDE,
                          mpi->w,mpi->h);

      dmpi->stride[0] = mpi->stride[0];
      dmpi->stride[1] = mpi->stride[1];
      dmpi->stride[2] = mpi->stride[2];
      dmpi->planes[0] = mpi->planes[0];
      dmpi->planes[1] = mpi->planes[1];
      dmpi->planes[2] = mpi->planes[2];
      dmpi->priv      = mpi->priv;
    }
  }
  return vf_next_put_image(vf,dmpi, pts);
}
예제 #4
0
static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
  mp_image_t *dmpi = NULL;

  if (vf->priv->passthrough) {
    dmpi=vf_get_image(vf->next, IMGFMT_MPEGPES, MP_IMGTYPE_EXPORT,
                      0, mpi->w, mpi->h);
    dmpi->planes[0]=mpi->planes[0];
    return vf_next_put_image(vf,dmpi, pts);
  }

  // Close all menu who requested it
  while(vf->priv->current->cl && vf->priv->current != vf->priv->root) {
    menu_t* m = vf->priv->current;
    vf->priv->current = m->parent ? m->parent :  vf->priv->root;
    menu_close(m);
  }

    // Try to capture the last frame before pause, or fallback to use
    // last captured frame.
    if(pause_mpi && (mpi->w != pause_mpi->w || mpi->h != pause_mpi->h ||
		     mpi->imgfmt != pause_mpi->imgfmt)) {
      free_mp_image(pause_mpi);
      pause_mpi = NULL;
    }
  if (!pause_mpi) {
    pause_mpi = alloc_mpi(mpi->w,mpi->h,mpi->imgfmt);
    copy_mpi(pause_mpi,mpi);
  }
  else if (mpctx_get_osd_function(vf->priv->root->ctx) == OSD_PAUSE)
    copy_mpi(pause_mpi,mpi);

  if (vf->priv->current->show) {
    if (!mp_input_key_cb)
      mp_input_key_cb = key_cb;

  if(mpi->flags&MP_IMGFLAG_DIRECT)
    dmpi = mpi->priv;
  else {
    dmpi = vf_get_image(vf->next,mpi->imgfmt,
			MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
			mpi->w,mpi->h);
    copy_mpi(dmpi,mpi);
  }
  menu_draw(vf->priv->current,dmpi);

  } else {
    if(mp_input_key_cb)
      mp_input_key_cb = NULL;

    if(mpi->flags&MP_IMGFLAG_DIRECT)
      dmpi = mpi->priv;
    else {
      dmpi = vf_get_image(vf->next,mpi->imgfmt,
                          MP_IMGTYPE_EXPORT, MP_IMGFLAG_ACCEPT_STRIDE,
                          mpi->w,mpi->h);

      dmpi->stride[0] = mpi->stride[0];
      dmpi->stride[1] = mpi->stride[1];
      dmpi->stride[2] = mpi->stride[2];
      dmpi->planes[0] = mpi->planes[0];
      dmpi->planes[1] = mpi->planes[1];
      dmpi->planes[2] = mpi->planes[2];
      dmpi->priv      = mpi->priv;
    }
  }
  return vf_next_put_image(vf,dmpi, pts);
}
예제 #5
0
int write_image(struct mp_image *image, const struct mp_csp_details *csp,
                const struct image_writer_opts *opts, const char *filename)
{
    struct mp_image *allocated_image = NULL;
    struct image_writer_opts defs = image_writer_opts_defaults;
    bool is_anamorphic = image->w != image->width || image->h != image->height;

    if (!opts)
        opts = &defs;

    const struct img_writer *writer = get_writer(opts);
    struct image_writer_ctx ctx = { opts, writer };
    int destfmt = IMGFMT_RGB24;

    if (writer->pixfmts) {
        destfmt = writer->pixfmts[0];   // default to first pixel format
        for (int *fmt = writer->pixfmts; *fmt; fmt++) {
            if (*fmt == image->imgfmt) {
                destfmt = *fmt;
                break;
            }
        }
    }

    if (image->imgfmt != destfmt || is_anamorphic) {
        struct mp_image *dst = alloc_mpi(image->w, image->h, destfmt);

        struct SwsContext *sws = sws_getContextFromCmdLine_hq(image->width,
                                                              image->height,
                                                              image->imgfmt,
                                                              dst->width,
                                                              dst->height,
                                                              dst->imgfmt);

        struct mp_csp_details colorspace = MP_CSP_DETAILS_DEFAULTS;
        if (csp)
            colorspace = *csp;
        // This is a property of the output device; images always use
        // full-range RGB.
        colorspace.levels_out = MP_CSP_LEVELS_PC;
        mp_sws_set_colorspace(sws, &colorspace);

        sws_scale(sws, (const uint8_t **)image->planes, image->stride, 0,
                  image->height, dst->planes, dst->stride);

        sws_freeContext(sws);

        allocated_image = dst;
        image = dst;
    }

    FILE *fp = fopen(filename, "wb");
    int success = 0;
    if (fp == NULL) {
        mp_msg(MSGT_CPLAYER, MSGL_ERR,
               "Error opening '%s' for writing!\n", filename);
    } else {
        success = writer->write(&ctx, image, fp);
        success = !fclose(fp) && success;
        if (!success)
            mp_msg(MSGT_CPLAYER, MSGL_ERR, "Error writing file '%s'!\n",
                   filename);
    }

    free_mp_image(allocated_image);

    return success;
}