| /* |
| * 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 <stdio.h> |
| #include <stdlib.h> |
| #include <inttypes.h> |
| #include <string.h> |
| #include "libavcodec/avcodec.h" |
| #include "libavutil/error.h" |
| |
| |
| |
| static int setup_side_data_entry(AVPacket* avpkt) |
| { |
| const uint8_t *data_name = NULL; |
| int ret = 0, bytes; |
| uint8_t *extra_data = NULL; |
| |
| |
| /* get side_data_name string */ |
| data_name = av_packet_side_data_name(AV_PKT_DATA_NEW_EXTRADATA); |
| |
| /* Allocate a memory bloc */ |
| bytes = strlen(data_name); |
| |
| if(!(extra_data = av_malloc(bytes))){ |
| ret = AVERROR(ENOMEM); |
| fprintf(stderr, "Error occurred: %s\n", av_err2str(ret)); |
| exit(1); |
| } |
| /* copy side_data_name to extra_data array */ |
| memcpy(extra_data, data_name, bytes); |
| |
| /* create side data for AVPacket */ |
| ret = av_packet_add_side_data(avpkt, AV_PKT_DATA_NEW_EXTRADATA, |
| extra_data, bytes); |
| if(ret < 0){ |
| fprintf(stderr, |
| "Error occurred in av_packet_add_side_data: %s\n", |
| av_err2str(ret)); |
| } |
| |
| return ret; |
| } |
| |
| static int initializations(AVPacket* avpkt) |
| { |
| const static uint8_t* data = "selftest for av_packet_clone(...)"; |
| int ret = 0; |
| |
| /* initialize avpkt */ |
| av_init_packet(avpkt); |
| |
| /* set values for avpkt */ |
| avpkt->pts = 17; |
| avpkt->dts = 2; |
| avpkt->data = (uint8_t*)data; |
| avpkt->size = strlen(data); |
| avpkt->flags = AV_PKT_FLAG_DISCARD; |
| avpkt->duration = 100; |
| avpkt->pos = 3; |
| |
| ret = setup_side_data_entry(avpkt); |
| |
| return ret; |
| } |
| |
| int main(void) |
| { |
| AVPacket avpkt; |
| AVPacket *avpkt_clone = NULL; |
| int ret = 0; |
| |
| if(initializations(&avpkt) < 0){ |
| printf("failed to initialize variables\n"); |
| return 1; |
| } |
| /* test av_packet_clone*/ |
| avpkt_clone = av_packet_clone(&avpkt); |
| |
| if(!avpkt_clone) { |
| av_log(NULL, AV_LOG_ERROR,"av_packet_clone failed to clone AVPacket\n"); |
| return 1; |
| } |
| /*test av_grow_packet*/ |
| if(av_grow_packet(avpkt_clone, 20) < 0){ |
| av_log(NULL, AV_LOG_ERROR, "av_grow_packet failed\n"); |
| return 1; |
| } |
| if(av_grow_packet(avpkt_clone, INT_MAX) == 0){ |
| printf( "av_grow_packet failed to return error " |
| "when \"grow_by\" parameter is too large.\n" ); |
| ret = 1; |
| } |
| /* test size error check in av_new_packet*/ |
| if(av_new_packet(avpkt_clone, INT_MAX) == 0){ |
| printf( "av_new_packet failed to return error " |
| "when \"size\" parameter is too large.\n" ); |
| ret = 1; |
| } |
| /*test size error check in av_packet_from_data*/ |
| if(av_packet_from_data(avpkt_clone, avpkt_clone->data, INT_MAX) == 0){ |
| printf("av_packet_from_data failed to return error " |
| "when \"size\" parameter is too large.\n" ); |
| ret = 1; |
| } |
| /*clean up*/ |
| av_packet_free(&avpkt_clone); |
| av_packet_unref(&avpkt); |
| |
| |
| return ret; |
| } |