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author | Diego 'Flameeyes' Pettenò <flameeyes@gmail.com> | 2007-12-14 19:14:45 +0100 |
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committer | Diego 'Flameeyes' Pettenò <flameeyes@gmail.com> | 2007-12-14 19:14:45 +0100 |
commit | 00ce599e48e069097d42e158c9192e7a0a7cbeff (patch) | |
tree | c524f3778239a00c6372bf145f56bd48862da6f8 /contrib/ffmpeg/vhook/imlib2.c | |
parent | 9a8dd93c201f92d36a0d3e72d589f09ff8bcbfe8 (diff) | |
download | xine-lib-00ce599e48e069097d42e158c9192e7a0a7cbeff.tar.gz xine-lib-00ce599e48e069097d42e158c9192e7a0a7cbeff.tar.bz2 |
Remove FFmpeg source directory.
Diffstat (limited to 'contrib/ffmpeg/vhook/imlib2.c')
-rw-r--r-- | contrib/ffmpeg/vhook/imlib2.c | 449 |
1 files changed, 0 insertions, 449 deletions
diff --git a/contrib/ffmpeg/vhook/imlib2.c b/contrib/ffmpeg/vhook/imlib2.c deleted file mode 100644 index 4e6ffb67c..000000000 --- a/contrib/ffmpeg/vhook/imlib2.c +++ /dev/null @@ -1,449 +0,0 @@ -/* - * imlib2 based hook - * Copyright (c) 2002 Philip Gladstone - * - * This module implements a text overlay for a video image. Currently it - * supports a fixed overlay or reading the text from a file. The string - * is passed through strftime so that it is easy to imprint the date and - * time onto the image. - * - * You may also overlay an image (even semi-transparent) like TV stations do. - * You may move either the text or the image around your video to create - * scrolling credits, for example. - * - * Text fonts are being looked for in FONTPATH - * - * Options: - * - * -c <color> The color of the text - * -F <fontname> The font face and size - * -t <text> The text - * -f <filename> The filename to read text from - * -x <expresion> X coordinate of text or image - * -y <expresion> Y coordinate of text or image - * -i <filename> The filename to read a image from - * - * Expresions are functions of: - * N // frame number (starting at zero) - * H // frame height - * W // frame width - * h // image height - * w // image width - * X // previous x - * Y // previous y - * - - Examples: - - FONTPATH="/cygdrive/c/WINDOWS/Fonts/" - FONTPATH="$FONTPATH:/usr/share/imlib2/data/fonts/" - FONTPATH="$FONTPATH:/usr/X11R6/lib/X11/fonts/TTF/" - export FONTPATH - - ffmpeg -i input.avi -vhook \ - 'vhook/imlib2.dll -x W*(0.5+0.25*sin(N/47*PI))-w/2 -y H*(0.5+0.50*cos(N/97*PI))-h/2 -i /usr/share/imlib2/data/images/bulb.png' - -acodec copy -sameq output.avi - - ffmpeg -i input.avi -vhook \ - 'vhook/imlib2.dll -c red -F Vera.ttf/20 -x 150+0.5*N -y 70+0.25*N -t Hello' - -acodec copy -sameq output.avi - - * This module is very much intended as an example of what could be done. - * - * One caution is that this is an expensive process -- in particular the - * conversion of the image into RGB and back is time consuming. For some - * special cases -- e.g. painting black text -- it would be faster to paint - * the text into a bitmap and then combine it directly into the YUV - * image. However, this code is fast enough to handle 10 fps of 320x240 on a - * 900MHz Duron in maybe 15% of the CPU. - - * See further statistics on Pentium4, 3GHz, FFMpeg is SVN-r6798 - * Input movie is 20.2 seconds of PAL DV on AVI - * Output movie is DVD compliant VOB. - * - ffmpeg -i input.avi -target pal-dvd out.vob - # 13.516s just transcode - ffmpeg -i input.avi -vhook /usr/local/bin/vhook/null.dll -target pal-dvd out.vob - # 23.546s transcode and img_convert - ffmpeg -i input.avi -vhook \ - 'vhook/imlib2.dll -c red -F Vera/20 -x 150-0.5*N -y 70+0.25*N -t Hello_person' \ - -target pal-dvd out.vob - # 21.454s transcode, img_convert and move text around - ffmpeg -i input.avi -vhook \ - 'vhook/imlib2.dll -x 150-0.5*N -y 70+0.25*N -i /usr/share/imlib2/data/images/bulb.png' \ - -target pal-dvd out.vob - # 20.828s transcode, img_convert and move image around - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "framehook.h" -#include "swscale.h" - -#include <stdio.h> -#include <stdlib.h> -#include <fcntl.h> -#include <stdarg.h> -#include <string.h> -#include <unistd.h> -#undef time -#include <sys/time.h> -#include <time.h> -#include <Imlib2.h> -#include "eval.h" - -const char *const_names[]={ - "PI", - "E", - "N", // frame number (starting at zero) - "H", // frame height - "W", // frame width - "h", // image height - "w", // image width - "X", // previous x - "Y", // previous y - NULL -}; - -static int sws_flags = SWS_BICUBIC; - -typedef struct { - int dummy; - Imlib_Font fn; - char *text; - char *file; - int r, g, b; - double x, y; - char *fileImage; - struct _CachedImage *cache; - Imlib_Image imageOverlaid; - AVEvalExpr *eval_x, *eval_y; - char *expr_x, *expr_y; - int frame_number; - int imageOverlaid_width, imageOverlaid_height; - - // This vhook first converts frame to RGB ... - struct SwsContext *toRGB_convert_ctx; - // ... and then converts back frame from RGB to initial format - struct SwsContext *fromRGB_convert_ctx; -} ContextInfo; - -typedef struct _CachedImage { - struct _CachedImage *next; - Imlib_Image image; - int width; - int height; -} CachedImage; - -void Release(void *ctx) -{ - ContextInfo *ci; - ci = (ContextInfo *) ctx; - - if (ci->cache) { - imlib_context_set_image(ci->cache->image); - imlib_free_image(); - av_free(ci->cache); - } - if (ctx) { - if (ci->imageOverlaid) { - imlib_context_set_image(ci->imageOverlaid); - imlib_free_image(); - } - ff_eval_free(ci->expr_x); - ff_eval_free(ci->expr_y); - sws_freeContext(ci->toRGB_convert_ctx); - sws_freeContext(ci->fromRGB_convert_ctx); - av_free(ctx); - } -} - -int Configure(void **ctxp, int argc, char *argv[]) -{ - int c; - ContextInfo *ci; - char *font = "LucidaSansDemiBold/16"; - char *fp = getenv("FONTPATH"); - char *color = 0; - FILE *f; - char *p; - - *ctxp = av_mallocz(sizeof(ContextInfo)); - ci = (ContextInfo *) *ctxp; - - ci->x = 0.0; - ci->y = 0.0; - ci->expr_x = "0.0"; - ci->expr_y = "0.0"; - - optind = 0; - - /* Use ':' to split FONTPATH */ - if (fp) - while (p = strchr(fp, ':')) { - *p = 0; - imlib_add_path_to_font_path(fp); - fp = p + 1; - } - if ((fp) && (*fp)) - imlib_add_path_to_font_path(fp); - - - while ((c = getopt(argc, argv, "c:f:F:t:x:y:i:")) > 0) { - switch (c) { - case 'c': - color = optarg; - break; - case 'F': - font = optarg; - break; - case 't': - ci->text = av_strdup(optarg); - break; - case 'f': - ci->file = av_strdup(optarg); - break; - case 'x': - ci->expr_x = av_strdup(optarg); - break; - case 'y': - ci->expr_y = av_strdup(optarg); - break; - case 'i': - ci->fileImage = av_strdup(optarg); - break; - case '?': - fprintf(stderr, "Unrecognized argument '%s'\n", argv[optind]); - return -1; - } - } - - if (ci->text || ci->file) { - ci->fn = imlib_load_font(font); - if (!ci->fn) { - fprintf(stderr, "Failed to load font '%s'\n", font); - return -1; - } - imlib_context_set_font(ci->fn); - imlib_context_set_direction(IMLIB_TEXT_TO_RIGHT); - } - - if (color) { - char buff[256]; - int done = 0; - - f = fopen("/usr/share/X11/rgb.txt", "r"); - if (!f) - f = fopen("/usr/lib/X11/rgb.txt", "r"); - if (!f) { - fprintf(stderr, "Failed to find rgb.txt\n"); - return -1; - } - while (fgets(buff, sizeof(buff), f)) { - int r, g, b; - char colname[80]; - - if (sscanf(buff, "%d %d %d %64s", &r, &g, &b, colname) == 4 && - strcasecmp(colname, color) == 0) { - ci->r = r; - ci->g = g; - ci->b = b; - /* fprintf(stderr, "%s -> %d,%d,%d\n", colname, r, g, b); */ - done = 1; - break; - } - } - fclose(f); - if (!done) { - fprintf(stderr, "Unable to find color '%s' in rgb.txt\n", color); - return -1; - } - } - imlib_context_set_color(ci->r, ci->g, ci->b, 255); - - /* load the image (for example, credits for a movie) */ - if (ci->fileImage) { - ci->imageOverlaid = imlib_load_image_immediately(ci->fileImage); - if (!(ci->imageOverlaid)){ - av_log(NULL, AV_LOG_ERROR, "Couldn't load image '%s'\n", ci->fileImage); - return -1; - } - imlib_context_set_image(ci->imageOverlaid); - ci->imageOverlaid_width = imlib_image_get_width(); - ci->imageOverlaid_height = imlib_image_get_height(); - } - - if (!(ci->eval_x = ff_parse(ci->expr_x, const_names, NULL, NULL, NULL, NULL, NULL))){ - av_log(NULL, AV_LOG_ERROR, "Couldn't parse x expression '%s'\n", ci->expr_x); - return -1; - } - - if (!(ci->eval_y = ff_parse(ci->expr_y, const_names, NULL, NULL, NULL, NULL, NULL))){ - av_log(NULL, AV_LOG_ERROR, "Couldn't parse y expression '%s'\n", ci->expr_y); - return -1; - } - - return 0; -} - -static Imlib_Image get_cached_image(ContextInfo *ci, int width, int height) -{ - CachedImage *cache; - - for (cache = ci->cache; cache; cache = cache->next) { - if (width == cache->width && height == cache->height) - return cache->image; - } - - return NULL; -} - -static void put_cached_image(ContextInfo *ci, Imlib_Image image, int width, int height) -{ - CachedImage *cache = av_mallocz(sizeof(*cache)); - - cache->image = image; - cache->width = width; - cache->height = height; - cache->next = ci->cache; - ci->cache = cache; -} - -void Process(void *ctx, AVPicture *picture, enum PixelFormat pix_fmt, int width, int height, int64_t pts) -{ - ContextInfo *ci = (ContextInfo *) ctx; - AVPicture picture1; - Imlib_Image image; - DATA32 *data; - - image = get_cached_image(ci, width, height); - - if (!image) { - image = imlib_create_image(width, height); - put_cached_image(ci, image, width, height); - } - - imlib_context_set_image(image); - data = imlib_image_get_data(); - - avpicture_fill(&picture1, (uint8_t *) data, PIX_FMT_RGB32, width, height); - - // if we already got a SWS context, let's realloc if is not re-useable - ci->toRGB_convert_ctx = sws_getCachedContext(ci->toRGB_convert_ctx, - width, height, pix_fmt, - width, height, PIX_FMT_RGB32, - sws_flags, NULL, NULL, NULL); - if (ci->toRGB_convert_ctx == NULL) { - av_log(NULL, AV_LOG_ERROR, - "Cannot initialize the toRGB conversion context\n"); - return; - } - -// img_convert parameters are 2 first destination, then 4 source -// sws_scale parameters are context, 4 first source, then 2 destination - sws_scale(ci->toRGB_convert_ctx, - picture->data, picture->linesize, 0, height, - picture1.data, picture1.linesize); - - imlib_image_set_has_alpha(0); - - { - int wid, hig, h_a, v_a; - char buff[1000]; - char tbuff[1000]; - char *tbp = ci->text; - time_t now = time(0); - char *p, *q; - int y; - - double const_values[]={ - M_PI, - M_E, - ci->frame_number, // frame number (starting at zero) - height, // frame height - width, // frame width - ci->imageOverlaid_height, // image height - ci->imageOverlaid_width, // image width - ci->x, // previous x - ci->y, // previous y - 0 - }; - - if (ci->file) { - int fd = open(ci->file, O_RDONLY); - - if (fd < 0) { - tbp = "[File not found]"; - } else { - int l = read(fd, tbuff, sizeof(tbuff) - 1); - - if (l >= 0) { - tbuff[l] = 0; - tbp = tbuff; - } else { - tbp = "[I/O Error]"; - } - close(fd); - } - } - - if (tbp) - strftime(buff, sizeof(buff), tbp, localtime(&now)); - else if (!(ci->imageOverlaid)) - strftime(buff, sizeof(buff), "[No data]", localtime(&now)); - - ci->x = ff_parse_eval(ci->eval_x, const_values, ci); - ci->y = ff_parse_eval(ci->eval_y, const_values, ci); - y = ci->y; - - if (!(ci->imageOverlaid)) - for (p = buff; p; p = q) { - q = strchr(p, '\n'); - if (q) - *q++ = 0; - - imlib_text_draw_with_return_metrics(ci->x, y, p, &wid, &hig, &h_a, &v_a); - y += v_a; - } - - if (ci->imageOverlaid) { - imlib_context_set_image(image); - imlib_blend_image_onto_image(ci->imageOverlaid, 0, - 0, 0, ci->imageOverlaid_width, ci->imageOverlaid_height, - ci->x, ci->y, ci->imageOverlaid_width, ci->imageOverlaid_height); - } - - } - - ci->fromRGB_convert_ctx = sws_getCachedContext(ci->fromRGB_convert_ctx, - width, height, PIX_FMT_RGB32, - width, height, pix_fmt, - sws_flags, NULL, NULL, NULL); - if (ci->fromRGB_convert_ctx == NULL) { - av_log(NULL, AV_LOG_ERROR, - "Cannot initialize the fromRGB conversion context\n"); - return; - } -// img_convert parameters are 2 first destination, then 4 source -// sws_scale parameters are context, 4 first source, then 2 destination - sws_scale(ci->fromRGB_convert_ctx, - picture1.data, picture1.linesize, 0, height, - picture->data, picture->linesize); - - ci->frame_number++; -} - |