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https://git.ffmpeg.org/ffmpeg.git
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avformat/hlsenc: merge mpegts and fmp4 workflow to one workflow
write mpegts or fmp4 context into buffer, and flush the buffer into output file when split fragment. merge two format split workflow into one workflow Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
This commit is contained in:
Steven Liu
parent
df6e341b04
commit
cff309097a
@ -815,7 +815,7 @@ static int hls_mux_init(AVFormatContext *s, VariantStream *vs)
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vs->start_pos = 0;
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vs->new_start = 1;
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if (hls->segment_type == SEGMENT_TYPE_FMP4) {
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if (hls->segment_type == SEGMENT_TYPE_FMP4 && hls->max_seg_size > 0) {
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if (hls->http_persistent > 0) {
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//TODO: Support fragment fmp4 for http persistent in HLS muxer.
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av_log(s, AV_LOG_WARNING, "http persistent mode is currently unsupported for fragment mp4 in the HLS muxer.\n");
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@ -824,34 +824,38 @@ static int hls_mux_init(AVFormatContext *s, VariantStream *vs)
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av_log(s, AV_LOG_WARNING, "Multi-file byterange mode is currently unsupported in the HLS muxer.\n");
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return AVERROR_PATCHWELCOME;
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}
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}
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vs->packets_written = 0;
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vs->init_range_length = 0;
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set_http_options(s, &options, hls);
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if ((ret = avio_open_dyn_buf(&oc->pb)) < 0)
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return ret;
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vs->packets_written = 0;
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vs->init_range_length = 0;
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set_http_options(s, &options, hls);
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if ((ret = avio_open_dyn_buf(&oc->pb)) < 0)
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return ret;
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if (hls->segment_type == SEGMENT_TYPE_FMP4) {
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if (byterange_mode) {
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ret = hlsenc_io_open(s, &vs->out, vs->basename, &options);
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} else {
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ret = hlsenc_io_open(s, &vs->out, vs->base_output_dirname, &options);
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}
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av_dict_free(&options);
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}
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av_dict_free(&options);
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if (ret < 0) {
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av_log(s, AV_LOG_ERROR, "Failed to open segment '%s'\n", vs->fmp4_init_filename);
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return ret;
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}
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if (hls->format_options_str) {
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ret = av_dict_parse_string(&hls->format_options, hls->format_options_str, "=", ":", 0);
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if (ret < 0) {
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av_log(s, AV_LOG_ERROR, "Failed to open segment '%s'\n", vs->fmp4_init_filename);
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av_log(s, AV_LOG_ERROR, "Could not parse format options list '%s'\n",
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hls->format_options_str);
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return ret;
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}
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}
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if (hls->format_options_str) {
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ret = av_dict_parse_string(&hls->format_options, hls->format_options_str, "=", ":", 0);
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if (ret < 0) {
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av_log(s, AV_LOG_ERROR, "Could not parse format options list '%s'\n",
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hls->format_options_str);
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return ret;
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}
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}
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av_dict_copy(&options, hls->format_options, 0);
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av_dict_copy(&options, hls->format_options, 0);
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if (hls->segment_type == SEGMENT_TYPE_FMP4) {
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av_dict_set(&options, "fflags", "-autobsf", 0);
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av_dict_set(&options, "movflags", "+frag_custom+dash+delay_moov", AV_DICT_APPEND);
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ret = avformat_init_output(oc, &options);
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@ -862,9 +866,9 @@ static int hls_mux_init(AVFormatContext *s, VariantStream *vs)
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av_dict_free(&options);
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return AVERROR(EINVAL);
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}
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avio_flush(oc->pb);
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av_dict_free(&options);
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}
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avio_flush(oc->pb);
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av_dict_free(&options);
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return 0;
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}
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@ -1435,7 +1439,6 @@ static int hls_window(AVFormatContext *s, int last, VariantStream *vs)
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{
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HLSContext *hls = s->priv_data;
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HLSSegment *en;
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AVFormatContext *oc = vs->avf;
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int target_duration = 0;
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int ret = 0;
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char temp_filename[MAX_URL_SIZE];
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@ -1471,7 +1474,7 @@ static int hls_window(AVFormatContext *s, int last, VariantStream *vs)
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set_http_options(s, &options, hls);
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snprintf(temp_filename, sizeof(temp_filename), use_temp_file ? "%s.tmp" : "%s", vs->m3u8_name);
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if ((ret = hlsenc_io_open(s, (byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? &hls->m3u8_out : &oc->pb, temp_filename, &options)) < 0) {
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if ((ret = hlsenc_io_open(s, (byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? &hls->m3u8_out : &vs->out, temp_filename, &options)) < 0) {
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if (hls->ignore_io_errors)
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ret = 0;
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goto fail;
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@ -1483,33 +1486,33 @@ static int hls_window(AVFormatContext *s, int last, VariantStream *vs)
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}
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vs->discontinuity_set = 0;
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ff_hls_write_playlist_header((byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? hls->m3u8_out : oc->pb, hls->version, hls->allowcache,
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ff_hls_write_playlist_header((byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? hls->m3u8_out : vs->out, hls->version, hls->allowcache,
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target_duration, sequence, hls->pl_type, hls->flags & HLS_I_FRAMES_ONLY);
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if((hls->flags & HLS_DISCONT_START) && sequence==hls->start_sequence && vs->discontinuity_set==0 ){
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avio_printf((byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? hls->m3u8_out : oc->pb, "#EXT-X-DISCONTINUITY\n");
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avio_printf((byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? hls->m3u8_out : vs->out, "#EXT-X-DISCONTINUITY\n");
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vs->discontinuity_set = 1;
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}
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if (vs->has_video && (hls->flags & HLS_INDEPENDENT_SEGMENTS)) {
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avio_printf((byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? hls->m3u8_out : oc->pb, "#EXT-X-INDEPENDENT-SEGMENTS\n");
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avio_printf((byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? hls->m3u8_out : vs->out, "#EXT-X-INDEPENDENT-SEGMENTS\n");
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}
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for (en = vs->segments; en; en = en->next) {
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if ((hls->encrypt || hls->key_info_file) && (!key_uri || strcmp(en->key_uri, key_uri) ||
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av_strcasecmp(en->iv_string, iv_string))) {
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avio_printf((byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? hls->m3u8_out : oc->pb, "#EXT-X-KEY:METHOD=AES-128,URI=\"%s\"", en->key_uri);
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avio_printf((byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? hls->m3u8_out : vs->out, "#EXT-X-KEY:METHOD=AES-128,URI=\"%s\"", en->key_uri);
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if (*en->iv_string)
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avio_printf((byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? hls->m3u8_out : oc->pb, ",IV=0x%s", en->iv_string);
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avio_printf((byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? hls->m3u8_out : oc->pb, "\n");
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avio_printf((byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? hls->m3u8_out : vs->out, ",IV=0x%s", en->iv_string);
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avio_printf((byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? hls->m3u8_out : vs->out, "\n");
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key_uri = en->key_uri;
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iv_string = en->iv_string;
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}
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if ((hls->segment_type == SEGMENT_TYPE_FMP4) && (en == vs->segments)) {
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ff_hls_write_init_file((byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? hls->m3u8_out : oc->pb, (hls->flags & HLS_SINGLE_FILE) ? en->filename : vs->fmp4_init_filename,
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ff_hls_write_init_file((byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? hls->m3u8_out : vs->out, (hls->flags & HLS_SINGLE_FILE) ? en->filename : vs->fmp4_init_filename,
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hls->flags & HLS_SINGLE_FILE, vs->init_range_length, 0);
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}
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ret = ff_hls_write_file_entry((byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? hls->m3u8_out : oc->pb, en->discont, byterange_mode,
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ret = ff_hls_write_file_entry((byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? hls->m3u8_out : vs->out, en->discont, byterange_mode,
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en->duration, hls->flags & HLS_ROUND_DURATIONS,
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en->size, en->pos, vs->baseurl,
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en->filename, prog_date_time_p, en->keyframe_size, en->keyframe_pos, hls->flags & HLS_I_FRAMES_ONLY);
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@ -1519,7 +1522,7 @@ static int hls_window(AVFormatContext *s, int last, VariantStream *vs)
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}
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if (last && (hls->flags & HLS_OMIT_ENDLIST)==0)
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ff_hls_write_end_list((byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? hls->m3u8_out : oc->pb);
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ff_hls_write_end_list((byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? hls->m3u8_out : vs->out);
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if (vs->vtt_m3u8_name) {
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snprintf(temp_vtt_filename, sizeof(temp_vtt_filename), use_temp_file ? "%s.tmp" : "%s", vs->vtt_m3u8_name);
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@ -1546,7 +1549,7 @@ static int hls_window(AVFormatContext *s, int last, VariantStream *vs)
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fail:
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av_dict_free(&options);
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hlsenc_io_close(s, (byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? &hls->m3u8_out : &oc->pb, temp_filename);
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hlsenc_io_close(s, (byterange_mode || hls->segment_type == SEGMENT_TYPE_FMP4) ? &hls->m3u8_out : &vs->out, temp_filename);
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hlsenc_io_close(s, &hls->sub_m3u8_out, vs->vtt_m3u8_name);
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if (use_temp_file) {
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ff_rename(temp_filename, vs->m3u8_name, s);
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@ -1694,42 +1697,13 @@ static int hls_start(AVFormatContext *s, VariantStream *vs)
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}
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c->encrypt_started = 1;
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}
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if ((err = av_dict_set(&options, "encryption_key", c->key_string, 0))
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< 0)
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goto fail;
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err = av_strlcpy(iv_string, c->iv_string, sizeof(iv_string));
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if (!err)
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if (!err) {
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snprintf(iv_string, sizeof(iv_string), "%032"PRIx64, vs->sequence);
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if ((err = av_dict_set(&options, "encryption_iv", iv_string, 0)) < 0)
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goto fail;
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filename = av_asprintf("crypto:%s", oc->url);
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if (!filename) {
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err = AVERROR(ENOMEM);
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goto fail;
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}
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err = hlsenc_io_open(s, &oc->pb, filename, &options);
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av_free(filename);
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av_dict_free(&options);
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if (err < 0)
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return err;
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} else if (c->segment_type != SEGMENT_TYPE_FMP4) {
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if ((err = hlsenc_io_open(s, &oc->pb, oc->url, &options)) < 0) {
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if (c->ignore_io_errors)
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err = 0;
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goto fail;
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memset(c->iv_string, 0, sizeof(c->iv_string));
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memcpy(c->iv_string, iv_string, sizeof(iv_string));
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}
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}
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if (vs->vtt_basename) {
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set_http_options(s, &options, c);
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if ((err = hlsenc_io_open(s, &vtt_oc->pb, vtt_oc->url, &options)) < 0) {
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if (c->ignore_io_errors)
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err = 0;
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goto fail;
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}
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}
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av_dict_free(&options);
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if (c->segment_type != SEGMENT_TYPE_FMP4) {
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/* We only require one PAT/PMT per segment. */
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if (oc->oformat->priv_class && oc->priv_data) {
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@ -1741,7 +1715,23 @@ static int hls_start(AVFormatContext *s, VariantStream *vs)
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av_opt_set(oc->priv_data, "sdt_period", period, 0);
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av_opt_set(oc->priv_data, "pat_period", period, 0);
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}
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if (c->flags & HLS_SINGLE_FILE) {
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if ((err = hlsenc_io_open(s, &vs->out, oc->url, &options)) < 0) {
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if (c->ignore_io_errors)
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err = 0;
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goto fail;
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}
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}
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}
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if (vs->vtt_basename) {
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set_http_options(s, &options, c);
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if ((err = hlsenc_io_open(s, &vtt_oc->pb, vtt_oc->url, &options)) < 0) {
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if (c->ignore_io_errors)
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err = 0;
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goto fail;
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}
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}
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av_dict_free(&options);
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if (vs->vtt_basename) {
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err = avformat_write_header(vtt_oc,NULL);
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@ -2343,20 +2333,12 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
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int64_t new_start_pos;
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int byterange_mode = (hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size > 0);
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av_write_frame(vs->avf, NULL); /* Flush any buffered data */
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new_start_pos = avio_tell(vs->avf->pb);
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if (hls->segment_type != SEGMENT_TYPE_FMP4) {
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avio_flush(oc->pb);
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vs->size = new_start_pos - vs->start_pos;
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} else {
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vs->size = new_start_pos;
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}
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av_write_frame(oc, NULL); /* Flush any buffered data */
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new_start_pos = avio_tell(oc->pb);
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vs->size = new_start_pos - vs->start_pos;
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avio_flush(oc->pb);
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if (hls->segment_type == SEGMENT_TYPE_FMP4) {
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if (!vs->init_range_length) {
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avio_flush(oc->pb);
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range_length = avio_close_dyn_buf(oc->pb, &buffer);
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avio_write(vs->out, buffer, range_length);
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av_free(buffer);
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@ -2365,14 +2347,10 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
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vs->packets_written = 0;
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vs->start_pos = range_length;
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if (!byterange_mode) {
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ff_format_io_close(s, &vs->out);
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// ff_format_io_close(s, &vs->out);
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hlsenc_io_close(s, &vs->out, vs->base_output_dirname);
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}
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}
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} else {
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if (!byterange_mode) {
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hlsenc_io_close(s, &oc->pb, oc->url);
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}
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}
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if (!byterange_mode) {
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if (vs->vtt_avf) {
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@ -2387,32 +2365,44 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
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// look to rename the asset name
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if (use_temp_file) {
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if (!(hls->flags & HLS_SINGLE_FILE) || (hls->max_seg_size <= 0))
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if ((vs->avf->oformat->priv_class && vs->avf->priv_data) && hls->segment_type != SEGMENT_TYPE_FMP4)
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av_opt_set(vs->avf->priv_data, "mpegts_flags", "resend_headers", 0);
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av_dict_set(&options, "mpegts_flags", "resend_headers", 0);
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}
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if (hls->segment_type == SEGMENT_TYPE_FMP4) {
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if (hls->flags & HLS_SINGLE_FILE) {
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ret = flush_dynbuf(vs, &range_length);
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if (ret < 0) {
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return ret;
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if (hls->flags & HLS_SINGLE_FILE) {
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ret = flush_dynbuf(vs, &range_length);
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if (ret < 0) {
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return ret;
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}
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vs->size = range_length;
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} else {
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set_http_options(s, &options, hls);
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if ((hls->max_seg_size > 0 && (vs->size >= hls->max_seg_size)) || !byterange_mode) {
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char *filename = NULL;
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if (hls->key_info_file || hls->encrypt) {
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av_dict_set(&options, "encryption_key", hls->key_string, 0);
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av_dict_set(&options, "encryption_iv", hls->iv_string, 0);
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filename = av_asprintf("crypto:%s", oc->url);
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} else {
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filename = av_asprintf("%s", oc->url);
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}
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vs->size = range_length;
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} else {
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set_http_options(s, &options, hls);
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ret = hlsenc_io_open(s, &vs->out, vs->avf->url, &options);
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if (!filename) {
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return AVERROR(ENOMEM);
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}
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ret = hlsenc_io_open(s, &vs->out, filename, &options);
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if (ret < 0) {
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av_log(s, hls->ignore_io_errors ? AV_LOG_WARNING : AV_LOG_ERROR,
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"Failed to open file '%s'\n", vs->avf->url);
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"Failed to open file '%s'\n", filename);
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return hls->ignore_io_errors ? 0 : ret;
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}
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write_styp(vs->out);
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if (hls->segment_type == SEGMENT_TYPE_FMP4) {
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write_styp(vs->out);
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}
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ret = flush_dynbuf(vs, &range_length);
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if (ret < 0) {
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return ret;
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}
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ff_format_io_close(s, &vs->out);
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hlsenc_io_close(s, &vs->out, filename);
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av_free(filename);
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}
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}
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@ -2420,7 +2410,7 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
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hls_rename_temp_file(s, oc);
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}
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old_filename = av_strdup(vs->avf->url);
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old_filename = av_strdup(oc->url);
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if (!old_filename) {
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return AVERROR(ENOMEM);
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}
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@ -2435,11 +2425,6 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
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}
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}
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|
||||
if (hls->segment_type != SEGMENT_TYPE_FMP4) {
|
||||
vs->start_pos = new_start_pos;
|
||||
} else {
|
||||
vs->start_pos += vs->size;
|
||||
}
|
||||
// if we're building a VOD playlist, skip writing the manifest multiple times, and just wait until the end
|
||||
if (hls->pl_type != PLAYLIST_TYPE_VOD) {
|
||||
if ((ret = hls_window(s, 0, vs)) < 0) {
|
||||
@ -2449,8 +2434,10 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
|
||||
|
||||
if (hls->flags & HLS_SINGLE_FILE) {
|
||||
vs->number++;
|
||||
vs->start_pos += vs->size;
|
||||
} else if (hls->max_seg_size > 0) {
|
||||
if (vs->start_pos >= hls->max_seg_size) {
|
||||
vs->start_pos = new_start_pos;
|
||||
if (vs->size >= hls->max_seg_size) {
|
||||
vs->sequence++;
|
||||
sls_flag_file_rename(hls, vs, old_filename);
|
||||
ret = hls_start(s, vs);
|
||||
@ -2461,6 +2448,7 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
|
||||
}
|
||||
vs->number++;
|
||||
} else {
|
||||
vs->start_pos = new_start_pos;
|
||||
sls_flag_file_rename(hls, vs, old_filename);
|
||||
ret = hls_start(s, vs);
|
||||
}
|
||||
@ -2475,13 +2463,12 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
|
||||
vs->packets_written++;
|
||||
if (oc->pb) {
|
||||
ret = ff_write_chained(oc, stream_index, pkt, s, 0);
|
||||
vs->video_keyframe_size += pkt->size;
|
||||
if ((st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) && (pkt->flags & AV_PKT_FLAG_KEY)) {
|
||||
vs->video_keyframe_size = avio_tell(oc->pb) - vs->video_lastpos;
|
||||
vs->video_keyframe_pos = vs->start_pos;
|
||||
vs->video_keyframe_size = avio_tell(oc->pb);
|
||||
} else {
|
||||
vs->video_lastpos = avio_tell(oc->pb);
|
||||
vs->video_keyframe_pos = avio_tell(vs->out);
|
||||
}
|
||||
|
||||
if (hls->ignore_io_errors)
|
||||
ret = 0;
|
||||
}
|
||||
@ -2530,10 +2517,12 @@ static int hls_write_trailer(struct AVFormatContext *s)
|
||||
int i;
|
||||
int ret = 0;
|
||||
VariantStream *vs = NULL;
|
||||
AVDictionary *options = NULL;
|
||||
int range_length, byterange_mode;
|
||||
|
||||
for (i = 0; i < hls->nb_varstreams; i++) {
|
||||
char *filename = NULL;
|
||||
vs = &hls->var_streams[i];
|
||||
|
||||
oc = vs->avf;
|
||||
vtt_oc = vs->vtt_avf;
|
||||
old_filename = av_strdup(vs->avf->url);
|
||||
@ -2542,11 +2531,22 @@ static int hls_write_trailer(struct AVFormatContext *s)
|
||||
if (!old_filename) {
|
||||
return AVERROR(ENOMEM);
|
||||
}
|
||||
if (hls->key_info_file || hls->encrypt) {
|
||||
av_dict_set(&options, "encryption_key", hls->key_string, 0);
|
||||
av_dict_set(&options, "encryption_iv", hls->iv_string, 0);
|
||||
filename = av_asprintf("crypto:%s", vs->avf->url);
|
||||
} else {
|
||||
filename = av_asprintf("%s", vs->avf->url);
|
||||
}
|
||||
if (!filename) {
|
||||
return AVERROR(ENOMEM);
|
||||
}
|
||||
|
||||
|
||||
if ( hls->segment_type == SEGMENT_TYPE_FMP4) {
|
||||
int range_length = 0;
|
||||
if (!vs->init_range_length) {
|
||||
uint8_t *buffer = NULL;
|
||||
int range_length, byterange_mode;
|
||||
av_write_frame(vs->avf, NULL); /* Flush any buffered data */
|
||||
avio_flush(oc->pb);
|
||||
|
||||
@ -2563,21 +2563,25 @@ static int hls_write_trailer(struct AVFormatContext *s)
|
||||
hlsenc_io_close(s, &vs->out, vs->base_output_dirname);
|
||||
}
|
||||
}
|
||||
if (!(hls->flags & HLS_SINGLE_FILE)) {
|
||||
ret = hlsenc_io_open(s, &vs->out, vs->avf->url, NULL);
|
||||
if (ret < 0) {
|
||||
av_log(s, AV_LOG_ERROR, "Failed to open file '%s'\n", vs->avf->url);
|
||||
goto failed;
|
||||
}
|
||||
write_styp(vs->out);
|
||||
}
|
||||
ret = flush_dynbuf(vs, &range_length);
|
||||
}
|
||||
if (!(hls->flags & HLS_SINGLE_FILE)) {
|
||||
set_http_options(s, &options, hls);
|
||||
ret = hlsenc_io_open(s, &vs->out, filename, &options);
|
||||
if (ret < 0) {
|
||||
av_log(s, AV_LOG_ERROR, "Failed to open file '%s'\n", vs->avf->url);
|
||||
goto failed;
|
||||
}
|
||||
vs->size = range_length;
|
||||
ff_format_io_close(s, &vs->out);
|
||||
if (hls->segment_type == SEGMENT_TYPE_FMP4)
|
||||
write_styp(vs->out);
|
||||
}
|
||||
ret = flush_dynbuf(vs, &range_length);
|
||||
if (ret < 0)
|
||||
goto failed;
|
||||
|
||||
vs->size = range_length;
|
||||
hlsenc_io_close(s, &vs->out, filename);
|
||||
av_free(filename);
|
||||
|
||||
|
||||
failed:
|
||||
av_write_trailer(oc);
|
||||
@ -2587,12 +2591,6 @@ failed:
|
||||
use_temp_file = proto && !strcmp(proto, "file") && (hls->flags & HLS_TEMP_FILE);
|
||||
}
|
||||
|
||||
if (oc->pb) {
|
||||
if (hls->segment_type != SEGMENT_TYPE_FMP4) {
|
||||
vs->size = avio_tell(vs->avf->pb) - vs->start_pos;
|
||||
hlsenc_io_close(s, &vs->avf->pb, vs->avf->url);
|
||||
}
|
||||
|
||||
// rename that segment from .tmp to the real one
|
||||
if (use_temp_file && !(hls->flags & HLS_SINGLE_FILE)) {
|
||||
hls_rename_temp_file(s, oc);
|
||||
@ -2606,7 +2604,6 @@ failed:
|
||||
|
||||
/* after av_write_trailer, then duration + 1 duration per packet */
|
||||
hls_append_segment(s, hls, vs, vs->duration + vs->dpp, vs->start_pos, vs->size);
|
||||
}
|
||||
|
||||
sls_flag_file_rename(hls, vs, old_filename);
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user