2016-09-13 6:19 GMT+08:00 Michael Niedermayer <mich...@niedermayer.cc>:
> On Mon, Sep 12, 2016 at 07:04:54PM +0800, Steven Liu wrote: > > 2016-09-12 18:52 GMT+08:00 Michael Niedermayer <mich...@niedermayer.cc>: > > > > > On Mon, Sep 12, 2016 at 05:39:31PM +0800, Steven Liu wrote: > > > > 2016-09-12 17:35 GMT+08:00 Steven Liu <lingjiujia...@gmail.com>: > > > > > > > > > > > > > > > > > > > 2016-09-12 17:28 GMT+08:00 Michael Niedermayer > <mich...@niedermayer.cc > > > >: > > > > > > > > > >> On Mon, Sep 12, 2016 at 03:01:24PM +0800, Steven Liu wrote: > > > > >> > refine EXT-X-BYTERANGE tag, > > > > >> > the spec link: > > > > >> > https://tools.ietf.org/html/draft-pantos-http-live-streaming > > > > >> -19#section-4.3.2.2 > > > > >> > > > > > >> > the apple doc: > > > > >> > https://developer.apple.com/library/ios/technotes/tn2288/_in > > > > >> dex.html#//apple_ref/doc/uid/DTS40012238-CH1-BYTE_RANGE_ > > > > >> SUPPORT_FOR_SEGMENTS > > > > >> > > > > > >> > command line: > > > > >> > ./ffmpeg -i ~/Movies/objectC/a.mp4 -c copy -f hls -hls_time 7 > > > > >> > -hls_list_size 100 -hls_segment_size 2500000 -t 40 > output-test.m3u8 > > > > >> > > > > > >> > output: > > > > >> > > > > > >> > localhost:ffmpeg liuqi$ ll *.ts ;cat output-test.m3u8 > > > > >> > -rw-r--r-- 1 liuqi staff 2792176 9 12 14:44 output-test0.ts > > > > >> > -rw-r--r-- 1 liuqi staff 3112528 9 12 14:44 output-test3.ts > > > > >> > -rw-r--r-- 1 liuqi staff 3377420 9 12 14:44 output-test6.ts > > > > >> > -rw-r--r-- 1 liuqi staff 1228016 9 12 14:44 output-test7.ts > > > > >> > #EXTM3U > > > > >> > #EXT-X-VERSION:4 > > > > >> > #EXT-X-TARGETDURATION:10 > > > > >> > #EXT-X-MEDIA-SEQUENCE:0 > > > > >> > #EXTINF:9.021000, > > > > >> > #EXT-X-BYTERANGE:1334988@0 > > > > >> > output-test0.ts > > > > >> > #EXTINF:3.000000, > > > > >> > #EXT-X-BYTERANGE:721356@1334988 > > > > >> > output-test0.ts > > > > >> > #EXTINF:3.000000, > > > > >> > #EXT-X-BYTERANGE:735832@2056344 > > > > >> > output-test0.ts > > > > >> > #EXTINF:6.000000, > > > > >> > #EXT-X-BYTERANGE:1645940@0 > > > > >> > output-test3.ts > > > > >> > #EXTINF:3.000000, > > > > >> > #EXT-X-BYTERANGE:715152@1645940 > > > > >> > output-test3.ts > > > > >> > #EXTINF:3.000000, > > > > >> > #EXT-X-BYTERANGE:751436@2361092 > > > > >> > output-test3.ts > > > > >> > #EXTINF:9.000000, > > > > >> > #EXT-X-BYTERANGE:3377420@0 > > > > >> > output-test6.ts > > > > >> > #EXTINF:3.960000, > > > > >> > #EXT-X-BYTERANGE:1228016@0 > > > > >> > output-test7.ts > > > > >> > #EXT-X-ENDLIST > > > > >> > localhost:ffmpeg liuqi$ > > > > >> > > > > > >> > ticket-id: #5839 > > > > >> > > > > > >> > Signed-off-by: Steven Liu <lingjiujia...@gmail.com> > > > > >> > --- > > > > >> > libavformat/hlsenc.c | 38 ++++++++++++++++++++++++++++++ > +++----- > > > > >> > 1 file changed, 33 insertions(+), 5 deletions(-) > > > > >> > > > > > >> > diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c > > > > >> > index a376312..08995f6 100644 > > > > >> > --- a/libavformat/hlsenc.c > > > > >> > +++ b/libavformat/hlsenc.c > > > > >> > @@ -104,6 +104,7 @@ typedef struct HLSContext { > > > > >> > double duration; // last segment duration computed so > > > far, in > > > > >> > seconds > > > > >> > int64_t start_pos; // last segment starting position > > > > >> > int64_t size; // last segment size > > > > >> > + int64_t max_seg_size; // every segment file max size > > > > >> > int nb_entries; > > > > >> > int discontinuity_set; > > > > >> > > > > > >> > > > > >> fatal: corrupt patch at line 11 > > > > >> maybe the comment : > > > > > > > > > > > > > > > > -rw-r--r-- 1 liuqi staff 2792176 9 12 14:44 output-test0.ts > > > > > > -rw-r--r-- 1 liuqi staff 3112528 9 12 14:44 output-test3.ts > > > > > > -rw-r--r-- 1 liuqi staff 3377420 9 12 14:44 output-test6.ts > > > > > > -rw-r--r-- 1 liuqi staff 1228016 9 12 14:44 output-test7.ts > > > > > > > > > > give the error for patch ?? > > > > > > > > > > > > > > > > update patch, remove the commit message with '-' > > > > > > The problem was not the commit message, the problem was "\n" > > > added to long lines of diff (word wrap) > > > > > > a more verbose commit message would be better than 1 line > > > > > > patch update, > > > > split long commit message to 2 lines > > > hlsenc.c | 34 +++++++++++++++++++++++++++++++--- > > 1 file changed, 31 insertions(+), 3 deletions(-) > > 3cb76b9c371cd40f41a51a84a142f849727eed44 0001-avformat-hlsenc-refine- > EXT-X-BYTERANGE-support-for-s.patch > > From 4c357e9e213cbc3b10667f3e69b43b6b30581913 Mon Sep 17 00:00:00 2001 > > From: Steven Liu <lingjiujia...@gmail.com> > > Date: Mon, 12 Sep 2016 18:59:19 +0800 > > Subject: [PATCH] avformat/hlsenc: refine EXT-X-BYTERANGE support for > segments > > > > refine EXT-X-BYTERANGE tag, > > the spec link: > > https://tools.ietf.org/html/draft-pantos-http-live- > streaming-19#section-4.3.2.2 > > the apple doc: > > https://developer.apple.com/library/ios/technotes/tn2288/_index.html# > > //apple_ref/doc/uid/DTS40012238-CH1-BYTE_RANGE_SUPPORT_FOR_SEGMENTS > > > > command line: > > ./ffmpeg -i ~/Movies/objectC/a.mp4 -c copy -f hls -hls_time 7 > > -hls_list_size 100 -hls_segment_size 2500000 -t 40 output-test.m3u8 > > output: > > localhost:ffmpeg liuqi$ ll *.ts ;cat output-test.m3u8 > > -rw-r--r-- 1 liuqi staff 2792176 9 12 14:44 output-test0.ts > > -rw-r--r-- 1 liuqi staff 3112528 9 12 14:44 output-test3.ts > > -rw-r--r-- 1 liuqi staff 3377420 9 12 14:44 output-test6.ts > > -rw-r--r-- 1 liuqi staff 1228016 9 12 14:44 output-test7.ts > > #EXTM3U > > #EXT-X-VERSION:4 > > #EXT-X-TARGETDURATION:10 > > #EXT-X-MEDIA-SEQUENCE:0 > > #EXTINF:9.021000, > > #EXT-X-BYTERANGE:1334988@0 > > output-test0.ts > > #EXTINF:3.000000, > > #EXT-X-BYTERANGE:721356@1334988 > > output-test0.ts > > #EXTINF:3.000000, > > #EXT-X-BYTERANGE:735832@2056344 > > output-test0.ts > > #EXTINF:6.000000, > > #EXT-X-BYTERANGE:1645940@0 > > output-test3.ts > > #EXTINF:3.000000, > > #EXT-X-BYTERANGE:715152@1645940 > > output-test3.ts > > #EXTINF:3.000000, > > #EXT-X-BYTERANGE:751436@2361092 > > output-test3.ts > > #EXTINF:9.000000, > > #EXT-X-BYTERANGE:3377420@0 > > output-test6.ts > > #EXTINF:3.960000, > > #EXT-X-BYTERANGE:1228016@0 > > output-test7.ts > > #EXT-X-ENDLIST > > localhost:ffmpeg liuqi$ > > > > ticket-id: #5839 > > > > Signed-off-by: Steven Liu <lingjiujia...@gmail.com> > > --- > > libavformat/hlsenc.c | 34 +++++++++++++++++++++++++++++++--- > > 1 file changed, 31 insertions(+), 3 deletions(-) > > > > diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c > > index a376312..7ec469a 100644 > > --- a/libavformat/hlsenc.c > > +++ b/libavformat/hlsenc.c > > > @@ -104,6 +104,7 @@ typedef struct HLSContext { > > double duration; // last segment duration computed so far, in > seconds > > int64_t start_pos; // last segment starting position > > int64_t size; // last segment size > > + int64_t max_seg_size; // every segment file max size > > int nb_entries; > > int discontinuity_set; > > wrong indention > > > > > > @@ -476,7 +477,7 @@ static int hls_window(AVFormatContext *s, int last) > > AVIOContext *sub_out = NULL; > > char temp_filename[1024]; > > int64_t sequence = FFMAX(hls->start_sequence, hls->sequence - > hls->nb_entries); > > > - int version = hls->flags & HLS_SINGLE_FILE ? 4 : 3; > > > + int version = 0; > > the value written is unused > > > > const char *proto = avio_find_protocol_name(s->filename); > > int use_rename = proto && !strcmp(proto, "file"); > > static unsigned warned_non_file; > > @@ -485,6 +486,12 @@ static int hls_window(AVFormatContext *s, int last) > > AVDictionary *options = NULL; > > double prog_date_time = hls->initial_prog_date_time; > > > > + if (hls->flags & (HLS_SINGLE_FILE) || hls->max_seg_size > 0) { > > + version = 4; > > + } else { > > + version = 3; > > + } > > + > > if (!use_rename && !warned_non_file++) > > av_log(s, AV_LOG_ERROR, "Cannot use rename on non file > protocol, this may lead to races and temporarly partial files\n"); > > > > @@ -533,7 +540,8 @@ static int hls_window(AVFormatContext *s, int last) > > avio_printf(out, "#EXTINF:%ld,\n", lrint(en->duration)); > > else > > avio_printf(out, "#EXTINF:%f,\n", en->duration); > > - if (hls->flags & HLS_SINGLE_FILE) > > + if (hls->flags & HLS_SINGLE_FILE || > > + hls->max_seg_size > 0) > > avio_printf(out, "#EXT-X-BYTERANGE:%"PRIi64"@%"PRIi64"\n", > > en->size, en->pos); > > if (hls->flags & HLS_PROGRAM_DATE_TIME) { > > @@ -573,7 +581,8 @@ static int hls_window(AVFormatContext *s, int last) > > > > for (en = hls->segments; en; en = en->next) { > > avio_printf(sub_out, "#EXTINF:%f,\n", en->duration); > > - if (hls->flags & HLS_SINGLE_FILE) > > + if (hls->flags & HLS_SINGLE_FILE || > > + hls->max_seg_size > 0) > > "hls->flags & HLS_SINGLE_FILE || hls->max_seg_size > 0" > occurs several times maybe this can be simplified ? > > [...] > patch update. > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > >
0001-avformat-hlsenc-refine-EXT-X-BYTERANGE-support-for-s.patch
Description: Binary data
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