Change the way we start/kill sessions

No need for a modified version of segmenter anymore

1 files changed, 0 insertions, 424 deletions

diff --git a/segmenter/segmenter.c b/segmenter/segmenter.c
deleted file mode 100644
index 19ad979..0000000
--- a/segmenter/segmenter.c
+++ /dev/null
@@ -1,424 +0,0 @@
-/*
- * Copyright (c) 2009 Chase Douglas
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include "libavformat/avformat.h"
-
-static AVStream *add_output_stream(AVFormatContext *output_format_context, AVStream *input_stream) {
-    AVCodecContext *input_codec_context;
-    AVCodecContext *output_codec_context;
-    AVStream *output_stream;
-
-    output_stream = av_new_stream(output_format_context, 0);
-    if (!output_stream) {
-        fprintf(stderr, "Could not allocate stream\n");
-        exit(1);
-    }
-
-    input_codec_context = input_stream->codec;
-    output_codec_context = output_stream->codec;
-
-    output_codec_context->codec_id = input_codec_context->codec_id;
-    output_codec_context->codec_type = input_codec_context->codec_type;
-    output_codec_context->codec_tag = input_codec_context->codec_tag;
-    output_codec_context->bit_rate = input_codec_context->bit_rate;
-    output_codec_context->extradata = input_codec_context->extradata;
-    output_codec_context->extradata_size = input_codec_context->extradata_size;
-
-    if(av_q2d(input_codec_context->time_base) * input_codec_context->ticks_per_frame > av_q2d(input_stream->time_base) && av_q2d(input_stream->time_base) < 1.0/1000) {
-        output_codec_context->time_base = input_codec_context->time_base;
-        output_codec_context->time_base.num *= input_codec_context->ticks_per_frame;
-    }
-    else {
-        output_codec_context->time_base = input_stream->time_base;
-    }
-
-    switch (input_codec_context->codec_type) {
-        case CODEC_TYPE_AUDIO:
-            output_codec_context->channel_layout = input_codec_context->channel_layout;
-            output_codec_context->sample_rate = input_codec_context->sample_rate;
-            output_codec_context->channels = input_codec_context->channels;
-            output_codec_context->frame_size = input_codec_context->frame_size;
-            if ((input_codec_context->block_align == 1 && input_codec_context->codec_id == CODEC_ID_MP3) || input_codec_context->codec_id == CODEC_ID_AC3) {
-                output_codec_context->block_align = 0;
-            }
-            else {
-                output_codec_context->block_align = input_codec_context->block_align;
-            }
-            break;
-        case CODEC_TYPE_VIDEO:
-            output_codec_context->pix_fmt = input_codec_context->pix_fmt;
-            output_codec_context->width = input_codec_context->width;
-            output_codec_context->height = input_codec_context->height;
-            output_codec_context->has_b_frames = input_codec_context->has_b_frames;
-
-            if (output_format_context->oformat->flags & AVFMT_GLOBALHEADER) {
-                output_codec_context->flags |= CODEC_FLAG_GLOBAL_HEADER;
-            }
-            break;
-    default:
-        break;
-    }
-
-    return output_stream;
-}
-
-int write_index_file(const char index[], const char tmp_index[], const unsigned int segment_duration, const char output_prefix[], const char http_prefix[], const unsigned int first_segment, const unsigned int last_segment, const int end, const int window) {
-    FILE *index_fp;
-    char *write_buf;
-    unsigned int i;
-
-    index_fp = fopen(tmp_index, "w");
-    if (!index_fp) {
-        fprintf(stderr, "Could not open temporary m3u8 index file (%s), no index file will be created\n", tmp_index);
-        return -1;
-    }
-
-    write_buf = malloc(sizeof(char) * 1024);
-    if (!write_buf) {
-        fprintf(stderr, "Could not allocate write buffer for index file, index file will be invalid\n");
-        fclose(index_fp);
-        return -1;
-    }
-
-    if (window) {
-        snprintf(write_buf, 1024, "#EXTM3U\n#EXT-X-TARGETDURATION:%u\n#EXT-X-MEDIA-SEQUENCE:%u\n", segment_duration, first_segment);
-    }
-    else {
-        snprintf(write_buf, 1024, "#EXTM3U\n#EXT-X-TARGETDURATION:%u\n", segment_duration);
-    }
-    if (fwrite(write_buf, strlen(write_buf), 1, index_fp) != 1) {
-        fprintf(stderr, "Could not write to m3u8 index file, will not continue writing to index file\n");
-        free(write_buf);
-        fclose(index_fp);
-        return -1;
-    }
-
-    for (i = first_segment; i <= last_segment; i++) {
-        snprintf(write_buf, 1024, "#EXTINF:%u,\n%s%s-%u.ts\n", segment_duration, http_prefix, output_prefix, i);
-        if (fwrite(write_buf, strlen(write_buf), 1, index_fp) != 1) {
-            fprintf(stderr, "Could not write to m3u8 index file, will not continue writing to index file\n");
-            free(write_buf);
-            fclose(index_fp);
-            return -1;
-        }
-    }
-
-    if (end) {
-        snprintf(write_buf, 1024, "#EXT-X-ENDLIST\n");
-        if (fwrite(write_buf, strlen(write_buf), 1, index_fp) != 1) {
-            fprintf(stderr, "Could not write last file and endlist tag to m3u8 index file\n");
-            free(write_buf);
-            fclose(index_fp);
-            return -1;
-        }
-    }
-
-    free(write_buf);
-    fclose(index_fp);
-
-    return rename(tmp_index, index);
-}
-
-int main(int argc, char **argv)
-{
-    const char *input;
-    const char *output_prefix;
-    double segment_duration;
-    char *segment_duration_check;
-    const char *index;
-    char *tmp_index;
-    const char *http_prefix;
-    long max_tsfiles = 0;
-    char *max_tsfiles_check;
-    double prev_segment_time = 0;
-    unsigned int output_index = 1;
-    AVInputFormat *ifmt;
-    AVOutputFormat *ofmt;
-    AVFormatContext *ic = NULL;
-    AVFormatContext *oc;
-    AVStream *video_st;
-    AVStream *audio_st;
-    AVCodec *codec;
-    char *output_filename;
-    char *remove_filename;
-    int video_index;
-    int audio_index;
-    unsigned int first_segment = 1;
-    unsigned int last_segment = 0;
-    int write_index = 1;
-    int decode_done;
-    char *dot;
-    int ret;
-    int i;
-    int remove_file;
-    FILE * pid_file;
-
-    if (argc < 6 || argc > 7) {
-        fprintf(stderr, "Usage: %s <input MPEG-TS file> <segment duration in seconds> <output MPEG-TS file prefix> <output m3u8 index file> <http prefix> [<segment window size>]\n", argv[0]);
-        exit(1);
-    }
-
-    // Create PID file
-    pid_file=fopen("./segmenter.pid", "w");
-    if (pid_file)
-    {
-    	fprintf(pid_file, "%d", getpid());
-        fclose(pid_file);
-    }
-
-    av_register_all();
-
-    input = argv[1];
-    if (!strcmp(input, "-")) {
-        input = "pipe:";
-    }
-    segment_duration = strtod(argv[2], &segment_duration_check);
-    if (segment_duration_check == argv[2] || segment_duration == HUGE_VAL || segment_duration == -HUGE_VAL) {
-        fprintf(stderr, "Segment duration time (%s) invalid\n", argv[2]);
-        goto error;
-    }
-    output_prefix = argv[3];
-    index = argv[4];
-    http_prefix=argv[5];
-    if (argc == 7) {
-        max_tsfiles = strtol(argv[6], &max_tsfiles_check, 10);
-        if (max_tsfiles_check == argv[6] || max_tsfiles < 0 || max_tsfiles >= INT_MAX) {
-            fprintf(stderr, "Maximum number of ts files (%s) invalid\n", argv[6]);
-            goto error;
-        }
-    }
-
-    remove_filename = malloc(sizeof(char) * (strlen(output_prefix) + 15));
-    if (!remove_filename) {
-        fprintf(stderr, "Could not allocate space for remove filenames\n");
-        goto error;
-    }
-
-    output_filename = malloc(sizeof(char) * (strlen(output_prefix) + 15));
-    if (!output_filename) {
-        fprintf(stderr, "Could not allocate space for output filenames\n");
-        goto error;
-    }
-
-    tmp_index = malloc(strlen(index) + 2);
-    if (!tmp_index) {
-        fprintf(stderr, "Could not allocate space for temporary index filename\n");
-        goto error;
-    }
-
-    strncpy(tmp_index, index, strlen(index) + 2);
-    dot = strrchr(tmp_index, '/');
-    dot = dot ? dot + 1 : tmp_index;
-    for (i = strlen(tmp_index) + 1; i > dot - tmp_index; i--) {
-        tmp_index[i] = tmp_index[i - 1];
-    }
-    *dot = '.';
-
-    ifmt = av_find_input_format("mpegts");
-    if (!ifmt) {
-        fprintf(stderr, "Could not find MPEG-TS demuxer\n");
-        goto error;
-    }
-
-    ret = av_open_input_file(&ic, input, ifmt, 0, NULL);
-    if (ret != 0) {
-        fprintf(stderr, "Could not open input file, make sure it is an mpegts file: %d\n", ret);
-        goto error;
-    }
-
-    if (av_find_stream_info(ic) < 0) {
-        fprintf(stderr, "Could not read stream information\n");
-        goto error;
-    }
-
-    ofmt = av_guess_format("mpegts", NULL, NULL);
-    if (!ofmt) {
-        fprintf(stderr, "Could not find MPEG-TS muxer\n");
-        goto error;
-    }
-
-    oc = avformat_alloc_context();
-    if (!oc) {
-        fprintf(stderr, "Could not allocated output context");
-        goto error;
-    }
-    oc->oformat = ofmt;
-
-    video_index = -1;
-    audio_index = -1;
-
-    for (i = 0; i < ic->nb_streams && (video_index < 0 || audio_index < 0); i++) {
-        switch (ic->streams[i]->codec->codec_type) {
-            case CODEC_TYPE_VIDEO:
-                video_index = i;
-                ic->streams[i]->discard = AVDISCARD_NONE;
-                video_st = add_output_stream(oc, ic->streams[i]);
-                break;
-            case CODEC_TYPE_AUDIO:
-                audio_index = i;
-                ic->streams[i]->discard = AVDISCARD_NONE;
-                audio_st = add_output_stream(oc, ic->streams[i]);
-                break;
-            default:
-                ic->streams[i]->discard = AVDISCARD_ALL;
-                break;
-        }
-    }
-
-    if (av_set_parameters(oc, NULL) < 0) {
-        fprintf(stderr, "Invalid output format parameters\n");
-        goto error;
-    }
-
-    dump_format(oc, 0, output_prefix, 1);
-
-    codec = avcodec_find_decoder(video_st->codec->codec_id);
-    if (!codec) {
-        fprintf(stderr, "Could not find video decoder, key frames will not be honored\n");
-    }
-
-    if (avcodec_open(video_st->codec, codec) < 0) {
-        fprintf(stderr, "Could not open video decoder, key frames will not be honored\n");
-    }
-
-    snprintf(output_filename, strlen(output_prefix) + 15, "%s-%u.ts", output_prefix, output_index++);
-    if (url_fopen(&oc->pb, output_filename, URL_WRONLY) < 0) {
-        fprintf(stderr, "Could not open '%s'\n", output_filename);
-        goto error;
-    }
-
-    if (av_write_header(oc)) {
-        fprintf(stderr, "Could not write mpegts header to first output file\n");
-        goto error;
-    }
-
-    write_index = !write_index_file(index, tmp_index, segment_duration, output_prefix, http_prefix, first_segment, last_segment, 0, max_tsfiles);
-
-    do {
-        double segment_time;
-        AVPacket packet;
-
-        decode_done = av_read_frame(ic, &packet);
-        if (decode_done < 0) {
-            break;
-        }
-
-        if (av_dup_packet(&packet) < 0) {
-            fprintf(stderr, "Could not duplicate packet");
-            av_free_packet(&packet);
-            break;
-        }
-
-        if (packet.stream_index == video_index && (packet.flags & PKT_FLAG_KEY)) {
-            segment_time = (double)video_st->pts.val * video_st->time_base.num / video_st->time_base.den;
-        }
-        else if (video_index < 0) {
-            segment_time = (double)audio_st->pts.val * audio_st->time_base.num / audio_st->time_base.den;
-        }
-        else {
-            segment_time = prev_segment_time;
-        }
-
-        if (segment_time - prev_segment_time >= segment_duration) {
-            put_flush_packet(oc->pb);
-            url_fclose(oc->pb);
-
-            if (max_tsfiles && (int)(last_segment - first_segment) >= max_tsfiles - 1) {
-                remove_file = 1;
-                first_segment++;
-            }
-            else {
-                remove_file = 0;
-            }
-
-            if (write_index) {
-                write_index = !write_index_file(index, tmp_index, segment_duration, output_prefix, http_prefix, first_segment, ++last_segment, 0, max_tsfiles);
-            }
-
-            if (remove_file) {
-                snprintf(remove_filename, strlen(output_prefix) + 15, "%s-%u.ts", output_prefix, first_segment - 1);
-                remove(remove_filename);
-            }
-
-            snprintf(output_filename, strlen(output_prefix) + 15, "%s-%u.ts", output_prefix, output_index++);
-            if (url_fopen(&oc->pb, output_filename, URL_WRONLY) < 0) {
-                fprintf(stderr, "Could not open '%s'\n", output_filename);
-                break;
-            }
-
-            prev_segment_time = segment_time;
-        }
-
-        ret = av_interleaved_write_frame(oc, &packet);
-        if (ret < 0) {
-            fprintf(stderr, "Warning: Could not write frame of stream\n");
-        }
-        else if (ret > 0) {
-            fprintf(stderr, "End of stream requested\n");
-            av_free_packet(&packet);
-            break;
-        }
-
-        av_free_packet(&packet);
-    } while (!decode_done);
-
-    av_write_trailer(oc);
-
-    avcodec_close(video_st->codec);
-
-    for(i = 0; i < oc->nb_streams; i++) {
-        av_freep(&oc->streams[i]->codec);
-        av_freep(&oc->streams[i]);
-    }
-
-    url_fclose(oc->pb);
-    av_free(oc);
-
-    if (max_tsfiles && (int)(last_segment - first_segment) >= max_tsfiles - 1) {
-        remove_file = 1;
-        first_segment++;
-    }
-    else {
-        remove_file = 0;
-    }
-
-    if (write_index) {
-        write_index_file(index, tmp_index, segment_duration, output_prefix, http_prefix, first_segment, ++last_segment, 1, max_tsfiles);
-    }
-
-    if (remove_file) {
-        snprintf(remove_filename, strlen(output_prefix) + 15, "%s-%u.ts", output_prefix, first_segment - 1);
-        remove(remove_filename);
-    }
-
-    remove("./segmenter.pid");
-
-    return 0;
-
-error:
-    remove("./segmenter.pid");
-
-    return 1;
-
-}
-
-// vim:sw=4:tw=4:ts=4:ai:expandtab