From: Karthick Jeyapal <kjeya...@akamai.com> Before this patch persistent http connections would work only for media segments. The playlists were still opening a new connection everytime. This patch extends persistent http connections to playlists as well. --- libavformat/hlsenc.c | 46 ++++++++++++++++++++++------------------------ 1 file changed, 22 insertions(+), 24 deletions(-)
diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c index ff982c5..350836d 100644 --- a/libavformat/hlsenc.c +++ b/libavformat/hlsenc.c @@ -201,6 +201,8 @@ typedef struct HLSContext { char *master_pl_name; unsigned int master_publish_rate; int http_persistent; + AVIOContext *m3u8_out; + AVIOContext *sub_m3u8_out; } HLSContext; static int mkdir_p(const char *path) { @@ -1081,7 +1083,6 @@ static int create_master_playlist(AVFormatContext *s, HLSContext *hls = s->priv_data; VariantStream *vs; AVStream *vid_st, *aud_st; - AVIOContext *master_pb = 0; AVDictionary *options = NULL; unsigned int i, j; int m3u8_name_size, ret, bandwidth; @@ -1102,8 +1103,7 @@ static int create_master_playlist(AVFormatContext *s, set_http_options(s, &options, hls); - ret = s->io_open(s, &master_pb, hls->master_m3u8_url, AVIO_FLAG_WRITE,\ - &options); + ret = hlsenc_io_open(s, &hls->m3u8_out, hls->master_m3u8_url, &options); av_dict_free(&options); if (ret < 0) { av_log(NULL, AV_LOG_ERROR, "Failed to open master play list file '%s'\n", @@ -1111,7 +1111,7 @@ static int create_master_playlist(AVFormatContext *s, goto fail; } - ff_hls_write_playlist_version(master_pb, hls->version); + ff_hls_write_playlist_version(hls->m3u8_out, hls->version); /* For variant streams with video add #EXT-X-STREAM-INF tag with attributes*/ for (i = 0; i < hls->nb_varstreams; i++) { @@ -1152,7 +1152,7 @@ static int create_master_playlist(AVFormatContext *s, bandwidth += aud_st->codecpar->bit_rate; bandwidth += bandwidth / 10; - ff_hls_write_stream_info(vid_st, master_pb, bandwidth, m3u8_rel_name); + ff_hls_write_stream_info(vid_st, hls->m3u8_out, bandwidth, m3u8_rel_name); av_freep(&m3u8_rel_name); } @@ -1160,7 +1160,7 @@ fail: if(ret >=0) hls->master_m3u8_created = 1; av_freep(&m3u8_rel_name); - ff_format_io_close(s, &master_pb); + hlsenc_io_close(s, &hls->m3u8_out, hls->master_m3u8_url); return ret; } @@ -1170,8 +1170,6 @@ static int hls_window(AVFormatContext *s, int last, VariantStream *vs) HLSSegment *en; int target_duration = 0; int ret = 0; - AVIOContext *out = NULL; - AVIOContext *sub_out = NULL; char temp_filename[1024]; int64_t sequence = FFMAX(hls->start_sequence, vs->sequence - vs->nb_entries); const char *proto = avio_find_protocol_name(s->filename); @@ -1203,7 +1201,7 @@ static int hls_window(AVFormatContext *s, int last, VariantStream *vs) set_http_options(s, &options, hls); snprintf(temp_filename, sizeof(temp_filename), use_rename ? "%s.tmp" : "%s", vs->m3u8_name); - if ((ret = s->io_open(s, &out, temp_filename, AVIO_FLAG_WRITE, &options)) < 0) + if ((ret = hlsenc_io_open(s, &hls->m3u8_out, temp_filename, &options)) < 0) goto fail; for (en = vs->segments; en; en = en->next) { @@ -1212,33 +1210,33 @@ static int hls_window(AVFormatContext *s, int last, VariantStream *vs) } vs->discontinuity_set = 0; - ff_hls_write_playlist_header(out, hls->version, hls->allowcache, + ff_hls_write_playlist_header(hls->m3u8_out, hls->version, hls->allowcache, target_duration, sequence, hls->pl_type); if((hls->flags & HLS_DISCONT_START) && sequence==hls->start_sequence && vs->discontinuity_set==0 ){ - avio_printf(out, "#EXT-X-DISCONTINUITY\n"); + avio_printf(hls->m3u8_out, "#EXT-X-DISCONTINUITY\n"); vs->discontinuity_set = 1; } if (vs->has_video && (hls->flags & HLS_INDEPENDENT_SEGMENTS)) { - avio_printf(out, "#EXT-X-INDEPENDENT-SEGMENTS\n"); + avio_printf(hls->m3u8_out, "#EXT-X-INDEPENDENT-SEGMENTS\n"); } for (en = vs->segments; en; en = en->next) { if ((hls->encrypt || hls->key_info_file) && (!key_uri || strcmp(en->key_uri, key_uri) || av_strcasecmp(en->iv_string, iv_string))) { - avio_printf(out, "#EXT-X-KEY:METHOD=AES-128,URI=\"%s\"", en->key_uri); + avio_printf(hls->m3u8_out, "#EXT-X-KEY:METHOD=AES-128,URI=\"%s\"", en->key_uri); if (*en->iv_string) - avio_printf(out, ",IV=0x%s", en->iv_string); - avio_printf(out, "\n"); + avio_printf(hls->m3u8_out, ",IV=0x%s", en->iv_string); + avio_printf(hls->m3u8_out, "\n"); key_uri = en->key_uri; iv_string = en->iv_string; } if ((hls->segment_type == SEGMENT_TYPE_FMP4) && (en == vs->segments)) { - ff_hls_write_init_file(out, vs->fmp4_init_filename, + ff_hls_write_init_file(hls->m3u8_out, vs->fmp4_init_filename, hls->flags & HLS_SINGLE_FILE, en->size, en->pos); } - ff_hls_write_file_entry(out, en->discont, byterange_mode, + ff_hls_write_file_entry(hls->m3u8_out, en->discont, byterange_mode, en->duration, hls->flags & HLS_ROUND_DURATIONS, en->size, en->pos, vs->baseurl, en->filename, prog_date_time_p); @@ -1246,29 +1244,29 @@ static int hls_window(AVFormatContext *s, int last, VariantStream *vs) } if (last && (hls->flags & HLS_OMIT_ENDLIST)==0) - ff_hls_write_end_list(out); + ff_hls_write_end_list(hls->m3u8_out); if( vs->vtt_m3u8_name ) { - if ((ret = s->io_open(s, &sub_out, vs->vtt_m3u8_name, AVIO_FLAG_WRITE, &options)) < 0) + if ((ret = hlsenc_io_open(s, &hls->sub_m3u8_out, vs->vtt_m3u8_name, &options)) < 0) goto fail; - ff_hls_write_playlist_header(sub_out, hls->version, hls->allowcache, + ff_hls_write_playlist_header(hls->sub_m3u8_out, hls->version, hls->allowcache, target_duration, sequence, PLAYLIST_TYPE_NONE); for (en = vs->segments; en; en = en->next) { - ff_hls_write_file_entry(sub_out, 0, byterange_mode, + ff_hls_write_file_entry(hls->sub_m3u8_out, 0, byterange_mode, en->duration, 0, en->size, en->pos, vs->baseurl, en->sub_filename, NULL); } if (last) - ff_hls_write_end_list(sub_out); + ff_hls_write_end_list(hls->sub_m3u8_out); } fail: av_dict_free(&options); - ff_format_io_close(s, &out); - ff_format_io_close(s, &sub_out); + hlsenc_io_close(s, &hls->m3u8_out, temp_filename); + hlsenc_io_close(s, &hls->sub_m3u8_out, vs->vtt_m3u8_name); if (ret >= 0 && use_rename) ff_rename(temp_filename, vs->m3u8_name, s); -- 1.9.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel