/*! convert/scale between an input and an output format.
* Old version of ffmpeg only have img_convert, which does not rescale.
* New versions use sws_scale which does both.
*/
static void my_scale(struct fbuf_t *in, AVPicture *p_in,
struct fbuf_t *out, AVPicture *p_out)
{
AVPicture my_p_in, my_p_out;
int eff_w=out->w, eff_h=out->h;
if (p_in == NULL)
p_in = fill_pict(in, &my_p_in);
if (p_out == NULL)
p_out = fill_pict(out, &my_p_out);
/*if win_w is different from zero then we must change
the size of the scaled buffer (the position is already
encoded into the out parameter)*/
if (out->win_w) { /* picture in picture enabled */
eff_w=out->win_w;
eff_h=out->win_h;
}
#ifdef OLD_FFMPEG
/* XXX img_convert is deprecated, and does not do rescaling, PiP not supported */
img_convert(p_out, out->pix_fmt,
p_in, in->pix_fmt, in->w, in->h);
#else /* XXX replacement */
{
struct SwsContext *convert_ctx;
convert_ctx = sws_getContext(in->w, in->h, in->pix_fmt,
eff_w, eff_h, out->pix_fmt,
SWS_BICUBIC, NULL, NULL, NULL);
if (convert_ctx == NULL) {
ast_log(LOG_ERROR, "FFMPEG::convert_cmodel : swscale context initialization failed");
return;
}
if (0)
ast_log(LOG_WARNING, "in %d %dx%d out %d %dx%d\n",
in->pix_fmt, in->w, in->h, out->pix_fmt, eff_w, eff_h);
sws_scale(convert_ctx,
p_in->data, p_in->linesize,
in->w, in->h, /* src slice */
p_out->data, p_out->linesize);
sws_freeContext(convert_ctx);
}
#endif /* XXX replacement */
}
/*! convert/scale between an input and an output format.
* Old version of ffmpeg only have img_convert, which does not rescale.
* New versions use sws_scale which does both.
*/
static void my_scale(struct fbuf_t *in, AVPicture *p_in,
struct fbuf_t *out, AVPicture *p_out)
{
AVPicture my_p_in, my_p_out;
if (p_in == NULL)
p_in = fill_pict(in, &my_p_in);
if (p_out == NULL)
p_out = fill_pict(out, &my_p_out);
#ifdef OLD_FFMPEG
/* XXX img_convert is deprecated, and does not do rescaling */
img_convert(p_out, out->pix_fmt,
p_in, in->pix_fmt, in->w, in->h);
#else /* XXX replacement */
{
struct SwsContext *convert_ctx;
convert_ctx = sws_getContext(in->w, in->h, in->pix_fmt,
out->w, out->h, out->pix_fmt,
SWS_BICUBIC, NULL, NULL, NULL);
if (convert_ctx == NULL) {
ast_log(LOG_ERROR, "FFMPEG::convert_cmodel : swscale context initialization failed");
return;
}
if (0)
ast_log(LOG_WARNING, "in %d %dx%d out %d %dx%d\n",
in->pix_fmt, in->w, in->h, out->pix_fmt, out->w, out->h);
sws_scale(convert_ctx,
p_in->data, p_in->linesize,
in->w, in->h, /* src slice */
p_out->data, p_out->linesize);
sws_freeContext(convert_ctx);
}
#endif /* XXX replacement */
}
