diff options
| -rw-r--r-- | libavformat/Makefile | 2 | ||||
| -rw-r--r-- | tools/aviocat.c | 97 |
2 files changed, 98 insertions, 1 deletions
diff --git a/libavformat/Makefile b/libavformat/Makefile index e5642433dd..2a2a946104 100644 --- a/libavformat/Makefile +++ b/libavformat/Makefile @@ -354,6 +354,6 @@ SKIPHEADERS-$(CONFIG_NETWORK) += network.h rtsp.h EXAMPLES = metadata output TESTPROGS = seek -TOOLS = pktdumper probetest +TOOLS = aviocat pktdumper probetest $(SUBDIR)output-example$(EXESUF): ELIBS = -lswscale diff --git a/tools/aviocat.c b/tools/aviocat.c new file mode 100644 index 0000000000..c43c69d1be --- /dev/null +++ b/tools/aviocat.c @@ -0,0 +1,97 @@ +/* + * Copyright (c) 2012 Martin Storsjo + * + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <sys/stat.h> +#include "libavformat/avformat.h" +#include "libavformat/riff.h" +#include "libavutil/intreadwrite.h" +#include "libavutil/mathematics.h" + +static int usage(const char *argv0, int ret) +{ + fprintf(stderr, "%s [-b bytespersec] input_url output_url\n", argv0); + return ret; +} + +int main(int argc, char **argv) +{ + int bps = 0, ret, i; + const char *input_url = NULL, *output_url = NULL; + int64_t stream_pos = 0; + int64_t start_time; + char errbuf[50]; + AVIOContext *input, *output; + + av_register_all(); + avformat_network_init(); + + for (i = 1; i < argc; i++) { + if (!strcmp(argv[i], "-b")) { + bps = atoi(argv[i + 1]); + i++; + } else if (!input_url) { + input_url = argv[i]; + } else if (!output_url) { + output_url = argv[i]; + } else { + return usage(argv[0], 1); + } + } + if (!output_url) + return usage(argv[0], 1); + + ret = avio_open2(&input, input_url, AVIO_FLAG_READ, NULL, NULL); + if (ret) { + av_strerror(ret, errbuf, sizeof(errbuf)); + fprintf(stderr, "Unable to open %s: %s\n", input_url, errbuf); + return 1; + } + ret = avio_open2(&output, output_url, AVIO_FLAG_WRITE, NULL, NULL); + if (ret) { + av_strerror(ret, errbuf, sizeof(errbuf)); + fprintf(stderr, "Unable to open %s: %s\n", output_url, errbuf); + goto fail; + } + + start_time = av_gettime(); + while (1) { + uint8_t buf[1024]; + int n; + n = avio_read(input, buf, sizeof(buf)); + if (n <= 0) + break; + avio_write(output, buf, n); + stream_pos += n; + if (bps) { + avio_flush(output); + while ((av_gettime() - start_time)*bps/AV_TIME_BASE < stream_pos) + usleep(50*1000); + } + } + + avio_close(output); +fail: + avio_close(input); + avformat_network_deinit(); + return ret ? 1 : 0; +} |