1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67
|
/*
* Copyright (C) 2001 Kawamata/Hitoshi <hitoshi.kawamata@nifty.ne.jp>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <config.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <mpegconsts.h>
#include "yuvfilters.h"
DEFINE_STD_YFTASKCLASS(yuvstdout);
static const char *
do_usage(void)
{
return "";
}
static YfTaskCore_t *
do_init(int argc, char **argv, const YfTaskCore_t *h0)
{
YfTaskCore_t *h;
--argc; ++argv;
if (!(h = YfAllocateTask(&yuvstdout, sizeof *h, h0)))
return NULL;
y4m_si_set_width(&h->si, h0->width);
y4m_si_set_height(&h->si, h0->height);
y4m_si_set_framerate(&h->si, mpeg_framerate(h0->fpscode));
if (y4m_write_stream_header(1, &h->si) != Y4M_OK) {
YfFreeTask(h);
h = NULL;
}
return h;
}
static void
do_fini(YfTaskCore_t *handle)
{
YfFreeTask(handle);
}
static int
do_frame(YfTaskCore_t *handle, const YfTaskCore_t *h0, const YfFrame_t * frame0)
{
uint8_t * yuv[3];
yuv[0] = (uint8_t*)frame0->data;
yuv[1] = yuv[0] + (handle->width * handle->height);
yuv[2] = yuv[1] + ((handle->width / CWDIV(y4m_si_get_chroma(&handle->si))) *
(handle->height / CHDIV(y4m_si_get_chroma(&handle->si))));
return y4m_write_frame(1, &handle->si, &frame0->fi, yuv);
}
|