oxframe based on oggplayer, gst was hanging to often
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j
commit
77f47b2c31
3 changed files with 277 additions and 0 deletions
1
.bzrignore
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.bzrignore
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oxframe
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34
Makefile
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Makefile
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PROG = oxframe
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SRC = oxframe.c
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PREFIX ?= /usr/local
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BINDIR ?= ${PREFIX}/bin
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MAN1DIR ?= ${PREFIX}/man/man1
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CC ?= gcc
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CFLAGS ?= -D_FILE_OFFSET_BITS=64
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CFLAGS += -Wall -ffast-math -fsigned-char
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INSTALL = install
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INCLUDEFLAGS ?= `pkg-config --cflags oggplay` `imlib2-config --cflags`
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LINKFLAGS ?= -L${PREFIX}/lib
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#LINKFLAGS += `pkg-config --libs oggplay` `imlib2-config --libs`
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LINKFLAGS += `imlib2-config --libs` -L/usr/local/lib /usr/local/lib/liboggplay.a -loggz -lfishsound -ltheora -lvorbisenc -lvorbis -lm -logg -lkate -lpthread
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all: ${PROG}
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${PROG}: ${SRC}
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${CC} -Wall -Wno-parentheses -O3 -fforce-addr -fomit-frame-pointer -finline-functions -funroll-loops ${CFLAGS} ${INCLUDEFLAGS} -o ${PROG} $< ${LINKFLAGS}
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install: ${PROG}
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${INSTALL} -c -m 555 -o root -g bin ${PROG} ${BINDIR}
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test -d ${MAN1DIR} || ${INSTALL} -d -o root ${MAN1DIR}
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${INSTALL} -c -m 444 -o root -g bin ${MAN} ${MAN1DIR}
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clean:
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-@rm -f ${PROG} *~ core *.core
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242
oxframe.c
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oxframe.c
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/* -*- tab-width:2;c-file-style:"cc-mode"; -*- */
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/*
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* oxframe.c -- dump frame from a theora file
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* Copyright (C) 20010 <j@mailb.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with This program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <oggplay/oggplay.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <getopt.h>
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#include <string.h>
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#include <X11/Xlib.h>
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#include <Imlib2.h>
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static const char *output = NULL;
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long frame_pos = 0;
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int image_width = -1, image_height = -1;
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const char *optstring = "h:x:y:p:i:o:";
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struct option options [] = {
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{"help",required_argument,NULL,'h'},
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{"width",required_argument,NULL,'x'},
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{"height",required_argument,NULL,'y'},
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{"pos",required_argument,NULL,'p'},
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{"input",required_argument,NULL,'i'},
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{"output",required_argument,NULL,'o'},
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{NULL,0,NULL,0}
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};
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static void usage(void){
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fprintf(stderr,
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"Usage: oxframe [options]\n\n"
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"Options: \n\n"
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" -h, --help show this help message and exit\n"
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" -x WIDTH, --width=WIDTH\n"
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" scale image to given width\n"
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" -y HEIGHT, --height=HEIGHT\n"
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" scale image to given height\n"
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" -p POS, --pos=POS frame position in seconds, float\n"
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" -i INPUT, --input=INPUT\n"
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" video input\n"
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" -o OUTPUT, --output=OUTPUT\n"
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" path to save frame to, jpg, png supported\n"
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" (defaults to png)\n"
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);
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exit(0);
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}
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void write_png_file(OggPlayRGBChannels *data) {
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Imlib_Image *frame = NULL,
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*image = NULL;
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frame = imlib_create_image_using_data(data->rgb_width, data->rgb_height,
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(unsigned int *)data->ptro);
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if (image_width > 0 && image_height < 0) {
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image_height = data->rgb_height * image_width / data->rgb_width;
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}
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if (image_height > 0 && image_width < 0) {
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image_width = data->rgb_width * image_height / data->rgb_height;
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}
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if (image_width > 0) {
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image = imlib_create_image(image_width, image_height);
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imlib_context_set_image(image);
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imlib_blend_image_onto_image(frame, 0,
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0, 0, data->rgb_width, data->rgb_height,
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0, 0,
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image_width, image_height);
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} else {
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imlib_context_set_image(frame);
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}
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if (strstr(&(output[strlen(output)-4]), ".jpg") == NULL)
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imlib_image_set_format("png");
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else
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imlib_image_set_format("jpg");
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imlib_save_image(output);
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imlib_free_image_and_decache();
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imlib_context_set_image(frame);
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imlib_free_image_and_decache();
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imlib_context_set_image(image);
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imlib_free_image_and_decache();
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}
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void write_frame (OggPlay * player, int track_num,
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OggPlayVideoData * video_data) {
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OggPlayYUVChannels from;
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OggPlayRGBChannels to;
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from.ptry = video_data->y;
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from.ptru = video_data->u;
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from.ptrv = video_data->v;
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oggplay_get_video_y_size(player, track_num, &(from.y_width),
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&(from.y_height));
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oggplay_get_video_uv_size(player, track_num, &(from.uv_width),
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&(from.uv_height));
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/*
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printf("size: %dx%d %dx%d\n", from.y_width, from.y_height, from.uv_width,
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from.uv_height);
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*/
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to.ptro = malloc(from.y_width * from.y_height * 4);
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to.rgb_width = from.y_width;
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to.rgb_height = from.y_height;
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oggplay_yuv2bgra (&from, &to);
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write_png_file(&to);
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free(to.ptro);
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}
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int dump_frame_callback (OggPlay *player, int num_tracks,
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OggPlayCallbackInfo **track_info, void *user) {
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int i;
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OggPlayDataHeader ** headers;
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OggPlayVideoData * video_data;
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OggPlayDataType type;
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for (i = 0; i < num_tracks; i++) {
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type = oggplay_callback_info_get_type(track_info[i]);
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headers = oggplay_callback_info_get_headers(track_info[i]);
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switch (type) {
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case OGGPLAY_INACTIVE:
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break;
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case OGGPLAY_YUV_VIDEO:
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if (oggplay_callback_info_get_required(track_info[i]) < 1) {
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fprintf(stderr, "oops\n");
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break;
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}
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long pt = oggplay_callback_info_get_presentation_time(headers[0]);
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//printf("time: %ld\n", pt);
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if (pt >= frame_pos) {
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video_data = oggplay_callback_info_get_video_data(headers[0]);
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write_frame(player, i, video_data);
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exit(0);
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}
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break;
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default:
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break;
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}
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}
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return 0;
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}
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int main (int argc, char * argv[]) {
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int c,long_option_index;
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OggPlay * player;
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OggPlayReader * reader = NULL;
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int i;
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int fps_num = 25;
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int fps_denom = 1;
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int granuleshift = 6;
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long max_num, offset;
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while(1) {
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c=getopt_long(argc, argv, optstring, options, &long_option_index);
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if(c == EOF)
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break;
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switch(c) {
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case 'h':
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usage();
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break;
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case 'x':
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image_width = atoi(optarg);
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break;
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case 'y':
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image_height = atoi(optarg);
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break;
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case 'p':
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frame_pos = 1000 * atof(optarg);
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break;
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case 'i':
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reader = oggplay_file_reader_new(optarg);
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break;
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case 'o':
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output = optarg;
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break;
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}
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}
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if(argc < 3) {
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usage();
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}
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player = oggplay_open_with_reader(reader);
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if (player == NULL) {
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fprintf (stderr, "could not initialise oggplay with this file\n");
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exit (1);
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}
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for (i = 0; i < oggplay_get_num_tracks (player); i++) {
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if (oggplay_get_track_type (player, i) == OGGZ_CONTENT_THEORA) {
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oggplay_set_callback_num_frames (player, i, 1);
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oggplay_get_video_fps(player, i, &fps_denom, &fps_num);
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}
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oggplay_set_track_active(player, i);
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}
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oggplay_set_data_callback(player, dump_frame_callback, NULL);
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max_num = ((1<< granuleshift) - 1);
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offset = 1000* max_num * fps_denom / fps_num;
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//ogg_int64_t duration = oggplay_get_duration(player);
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if(frame_pos - offset > 0) {
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if (oggplay_seek(player, frame_pos - offset) == E_OGGPLAY_CANT_SEEK) {
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fprintf (stderr, "failed to seeek to %ld\n", frame_pos);
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exit (1);
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}
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}
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oggplay_start_decoding(player);
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oggplay_close (player);
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return 0;
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}
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