diff options
Diffstat (limited to 'libvo/vo_yuv4mpeg.c')
| -rw-r--r-- | libvo/vo_yuv4mpeg.c | 310 |
1 files changed, 0 insertions, 310 deletions
diff --git a/libvo/vo_yuv4mpeg.c b/libvo/vo_yuv4mpeg.c deleted file mode 100644 index a7b5dd05c1..0000000000 --- a/libvo/vo_yuv4mpeg.c +++ /dev/null @@ -1,310 +0,0 @@ -/* - * yuv4mpeg (mjpegtools) interface - * - * Thrown together by Robert Kesterson <robertk@robertk.com> - * Based on the pgm output plugin, the rgb2rgb postproc filter, divxdec, - * and probably others. - * - * This is undoubtedly incomplete, inaccurate, or just plain wrong. :-) - * - * 2002/06/19 Klaus Stengel <Klaus.Stengel@asamnet.de> - * - added support for interlaced output - * Activate by using '-vo yuv4mpeg:interlaced' - * or '-vo yuv4mpeg:interlaced_bf' if your source has - * bottom fields first - * - added some additional checks to catch problems - * - * 2002/04/17 Juergen Hammelmann <juergen.hammelmann@gmx.de> - * - added support for output of subtitles - * best, if you give option '-osdlevel 0' to mplayer for - * no watching the seek+timer - * - * This file is part of MPlayer. - * - * MPlayer 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. - * - * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <errno.h> -#include <fcntl.h> -#include <limits.h> - -#include "config.h" -#include "subopt-helper.h" -#include "video_out.h" -#include "video_out_internal.h" - -#include "mp_msg.h" - -#include "sub/sub.h" - -#include "fastmemcpy.h" -#include "libavutil/rational.h" - -static const vo_info_t info = -{ - "yuv4mpeg output for mjpegtools", - "yuv4mpeg", - "Robert Kesterson <robertk@robertk.com>", - "" -}; - -const LIBVO_EXTERN (yuv4mpeg) - -static int image_width = 0; -static int image_height = 0; -static float image_fps = 0; - -static uint8_t *image = NULL; -static uint8_t *image_y = NULL; -static uint8_t *image_u = NULL; -static uint8_t *image_v = NULL; - -static char *yuv_filename = NULL; - -static int using_format = 0; -static FILE *yuv_out; -static int write_bytes; - -#define Y4M_ILACE_NONE 'p' /* non-interlaced, progressive frame */ -#define Y4M_ILACE_TOP_FIRST 't' /* interlaced, top-field first */ -#define Y4M_ILACE_BOTTOM_FIRST 'b' /* interlaced, bottom-field first */ - -/* Set progressive mode as default */ -static int config_interlace = Y4M_ILACE_NONE; -#define Y4M_IS_INTERLACED (config_interlace != Y4M_ILACE_NONE) - -static int config(uint32_t width, uint32_t height, uint32_t d_width, - uint32_t d_height, uint32_t flags, char *title, - uint32_t format) -{ - AVRational pixelaspect = av_div_q((AVRational){d_width, d_height}, - (AVRational){width, height}); - AVRational fps_frac = av_d2q(vo_fps, vo_fps * 1001 + 2); - if (image_width == width && image_height == height && - image_fps == vo_fps && vo_config_count) - return 0; - if (vo_config_count) { - mp_msg(MSGT_VO, MSGL_WARN, - "Video formats differ (w:%i=>%i, h:%i=>%i, fps:%f=>%f), " - "restarting output.\n", - image_width, width, image_height, height, image_fps, vo_fps); - } - image_height = height; - image_width = width; - image_fps = vo_fps; - using_format = format; - - if (Y4M_IS_INTERLACED) - { - if (height % 4) - { - mp_tmsg(MSGT_VO,MSGL_FATAL, - "Interlaced mode requires image height to be divisible by 4."); - return -1; - } - } - - if (width % 2) - { - mp_tmsg(MSGT_VO,MSGL_FATAL, - "Image width must be divisible by 2."); - return -1; - } - - write_bytes = image_width * image_height * 3 / 2; - free(image); - image = malloc(write_bytes); - - if (!yuv_out) - yuv_out = strcmp(yuv_filename, "-") ? fopen(yuv_filename, "wb") : stdout; - if (!yuv_out || image == 0) - { - mp_tmsg(MSGT_VO,MSGL_FATAL, - "Can't get memory or file handle to write \"%s\"!", - yuv_filename); - return -1; - } - image_y = image; - image_u = image_y + image_width * image_height; - image_v = image_u + image_width * image_height / 4; - - fprintf(yuv_out, "YUV4MPEG2 W%d H%d F%d:%d I%c A%d:%d\n", - image_width, image_height, fps_frac.num, fps_frac.den, - config_interlace, - pixelaspect.num, pixelaspect.den); - - fflush(yuv_out); - return 0; -} - -static void draw_alpha(int x0, int y0, int w, int h, unsigned char *src, - unsigned char *srca, int stride) { - vo_draw_alpha_yv12(w, h, src, srca, stride, - image + y0 * image_width + x0, image_width); -} - -static void draw_osd(void) -{ - vo_draw_text(image_width, image_height, draw_alpha); -} - -static void vo_y4m_write(const void *ptr, const size_t num_bytes) -{ - if (fwrite(ptr, 1, num_bytes, yuv_out) != num_bytes) - mp_tmsg(MSGT_VO,MSGL_ERR, - "Error writing image to output!"); - fflush(yuv_out); -} - -static int write_last_frame(void) -{ - fprintf(yuv_out, "FRAME\n"); - - vo_y4m_write(image, write_bytes); - return VO_TRUE; -} - -static void flip_page (void) -{ - fprintf(yuv_out, "FRAME\n"); - - vo_y4m_write(image, write_bytes); -} - -static int draw_slice(uint8_t *srcimg[], int stride[], int w,int h,int x,int y) -{ - int i; - uint8_t *dst, *src = srcimg[0]; - - // copy Y: - dst = image_y + image_width * y + x; - for (i = 0; i < h; i++) - { - fast_memcpy(dst, src, w); - src += stride[0]; - dst += image_width; - } - { - // copy U + V: - int imgstride = image_width >> 1; - uint8_t *src1 = srcimg[1]; - uint8_t *src2 = srcimg[2]; - uint8_t *dstu = image_u + imgstride * (y >> 1) + (x >> 1); - uint8_t *dstv = image_v + imgstride * (y >> 1) + (x >> 1); - for (i = 0; i < h / 2; i++) - { - fast_memcpy(dstu, src1 , w >> 1); - fast_memcpy(dstv, src2, w >> 1); - src1 += stride[1]; - src2 += stride[2]; - dstu += imgstride; - dstv += imgstride; - } - } - return 0; -} - -static int draw_frame(uint8_t * src[]) -{ - // gets done in draw_slice - return 0; -} - -static int query_format(uint32_t format) -{ - if (format == IMGFMT_YV12) - return VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW|VFCAP_OSD|VFCAP_ACCEPT_STRIDE; - return 0; -} - -// WARNING: config(...) also uses this -static void uninit(void) -{ - free(image); - image = NULL; - - if(yuv_out && yuv_out != stdout) - fclose(yuv_out); - yuv_out = NULL; - - free(yuv_filename); - yuv_filename = NULL; - image_width = 0; - image_height = 0; - image_fps = 0; -} - - -static void check_events(void) -{ -} - -static int preinit(const char *arg) -{ - int il, il_bf; - const opt_t subopts[] = { - {"interlaced", OPT_ARG_BOOL, &il, NULL}, - {"interlaced_bf", OPT_ARG_BOOL, &il_bf, NULL}, - {"file", OPT_ARG_MSTRZ, &yuv_filename, NULL}, - {NULL} - }; - - il = 0; - il_bf = 0; - yuv_filename = strdup("stream.yuv"); - if (subopt_parse(arg, subopts) != 0) { - mp_tmsg(MSGT_VO, MSGL_FATAL, "Unknown subdevice: %s", arg); - return -1; - } - - config_interlace = Y4M_ILACE_NONE; - if (il) - config_interlace = Y4M_ILACE_TOP_FIRST; - if (il_bf) - config_interlace = Y4M_ILACE_BOTTOM_FIRST; - - /* Inform user which output mode is used */ - switch (config_interlace) - { - case Y4M_ILACE_TOP_FIRST: - mp_tmsg(MSGT_VO,MSGL_STATUS, - "Using interlaced output mode, top-field first."); - break; - case Y4M_ILACE_BOTTOM_FIRST: - mp_tmsg(MSGT_VO,MSGL_STATUS, - "Using interlaced output mode, bottom-field first."); - break; - default: - mp_tmsg(MSGT_VO,MSGL_STATUS, - "Using (default) progressive frame mode."); - break; - } - return 0; -} - -static int control(uint32_t request, void *data) -{ - switch (request) { - case VOCTRL_QUERY_FORMAT: - return query_format(*((uint32_t*)data)); - case VOCTRL_DUPLICATE_FRAME: - return write_last_frame(); - } - return VO_NOTIMPL; -} |