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Diffstat (limited to 'contrib/ffmpeg/vhook/imlib2.c')
-rw-r--r--contrib/ffmpeg/vhook/imlib2.c492
1 files changed, 0 insertions, 492 deletions
diff --git a/contrib/ffmpeg/vhook/imlib2.c b/contrib/ffmpeg/vhook/imlib2.c
deleted file mode 100644
index 7df4c0aca..000000000
--- a/contrib/ffmpeg/vhook/imlib2.c
+++ /dev/null
@@ -1,492 +0,0 @@
-/*
- * imlib2 based hook
- * Copyright (c) 2002 Philip Gladstone
- *
- * 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, a;
- AVEvalExpr *eval_r, *eval_g, *eval_b, *eval_a;
- char *expr_R, *expr_G, *expr_B, *expr_A;
- int eval_colors;
- 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->eval_x);
- ff_eval_free(ci->eval_y);
- ff_eval_free(ci->eval_r);
- ff_eval_free(ci->eval_g);
- ff_eval_free(ci->eval_b);
- ff_eval_free(ci->eval_a);
-
- av_free(ci->expr_x);
- av_free(ci->expr_y);
- av_free(ci->expr_R);
- av_free(ci->expr_G);
- av_free(ci->expr_B);
- av_free(ci->expr_A);
- 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 *rgbtxt = 0;
- char *font = "LucidaSansDemiBold/16";
- char *fp = getenv("FONTPATH");
- char *color = 0;
- FILE *f;
- char *p;
- char *error;
-
- *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 = 1;
-
- /* 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, "R:G:B:A:C:c:f:F:t:x:y:i:")) > 0) {
- switch (c) {
- case 'R':
- ci->expr_R = av_strdup(optarg);
- ci->eval_colors = 1;
- break;
- case 'G':
- ci->expr_G = av_strdup(optarg);
- ci->eval_colors = 1;
- break;
- case 'B':
- ci->expr_B = av_strdup(optarg);
- ci->eval_colors = 1;
- break;
- case 'A':
- ci->expr_A = av_strdup(optarg);
- break;
- case 'C':
- rgbtxt = optarg;
- break;
- 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->eval_colors && !(ci->expr_R && ci->expr_G && ci->expr_B))
- {
- fprintf(stderr, "You must specify expressions for all or no colors.\n");
- 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;
-
- if (ci->eval_colors)
- {
- fprintf(stderr, "You must not specify both a color name and expressions for the colors.\n");
- return -1;
- }
-
- if (rgbtxt)
- f = fopen(rgbtxt, "r");
- else
- {
- 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 color names file\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;
- }
- } else if (ci->eval_colors) {
- if (!(ci->eval_r = ff_parse(ci->expr_R, const_names, NULL, NULL, NULL, NULL, &error))){
- av_log(NULL, AV_LOG_ERROR, "Couldn't parse R expression '%s': %s\n", ci->expr_R, error);
- return -1;
- }
- if (!(ci->eval_g = ff_parse(ci->expr_G, const_names, NULL, NULL, NULL, NULL, &error))){
- av_log(NULL, AV_LOG_ERROR, "Couldn't parse G expression '%s': %s\n", ci->expr_G, error);
- return -1;
- }
- if (!(ci->eval_b = ff_parse(ci->expr_B, const_names, NULL, NULL, NULL, NULL, &error))){
- av_log(NULL, AV_LOG_ERROR, "Couldn't parse B expression '%s': %s\n", ci->expr_B, error);
- return -1;
- }
- }
-
- if (ci->expr_A) {
- if (!(ci->eval_a = ff_parse(ci->expr_A, const_names, NULL, NULL, NULL, NULL, &error))){
- av_log(NULL, AV_LOG_ERROR, "Couldn't parse A expression '%s': %s\n", ci->expr_A, error);
- return -1;
- }
- } else {
- ci->a = 255;
- }
-
- if (!(ci->eval_colors || ci->eval_a))
- imlib_context_set_color(ci->r, ci->g, ci->b, ci->a);
-
- /* 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, &error))){
- av_log(NULL, AV_LOG_ERROR, "Couldn't parse x expression '%s': %s\n", ci->expr_x, error);
- return -1;
- }
-
- if (!(ci->eval_y = ff_parse(ci->expr_y, const_names, NULL, NULL, NULL, NULL, &error))){
- av_log(NULL, AV_LOG_ERROR, "Couldn't parse y expression '%s': %s\n", ci->expr_y, error);
- 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->eval_a) {
- ci->a = ff_parse_eval(ci->eval_a, const_values, ci);
- }
-
- if (ci->eval_colors) {
- ci->r = ff_parse_eval(ci->eval_r, const_values, ci);
- ci->g = ff_parse_eval(ci->eval_g, const_values, ci);
- ci->b = ff_parse_eval(ci->eval_b, const_values, ci);
- }
-
- if (ci->eval_colors || ci->eval_a) {
- imlib_context_set_color(ci->r, ci->g, ci->b, ci->a);
- }
-
- 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++;
-}
-
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