August 2013 - ffmpeg-devel - lists.ffmpeg.org

[PATCH]Set bits_per_raw_sample for pnm
by Carl Eugen Hoyos 05 Aug '13

05 Aug '13

Hi! Setting bits_per_raw_sample allows to forward bitdepth != 8 and != 16. Please comment, Carl Eugen

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[PATCH] Clean up thread init/free code.
by Reimar Döffinger 05 Aug '13

05 Aug '13

Assert that the active thread type is one of the valid options. Also do not try freeing thread state if threading is not actually in use - this seems to fix an actual issue in the MPEG-4 decoder, at least when used by MPlayer, but I did not debug in detail. --- libavcodec/pthread.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/libavcodec/pthread.c b/libavcodec/pthread.c index 8329155..6fda0e6 100644 --- a/libavcodec/pthread.c +++ b/libavcodec/pthread.c @@ -1111,18 +1111,21 @@ int ff_thread_init(AVCodecContext *avctx) validate_thread_parameters(avctx); - if (avctx->active_thread_type&FF_THREAD_SLICE) + if (avctx->active_thread_type == FF_THREAD_SLICE) return thread_init_internal(avctx); - else if (avctx->active_thread_type&FF_THREAD_FRAME) + else if (avctx->active_thread_type == FF_THREAD_FRAME) return frame_thread_init(avctx); + av_assert0(avctx->active_thread_type == 0); return 0; } void ff_thread_free(AVCodecContext *avctx) { - if (avctx->active_thread_type&FF_THREAD_FRAME) + if (avctx->active_thread_type == FF_THREAD_SLICE) + thread_free(avctx); + else if (avctx->active_thread_type == FF_THREAD_FRAME) frame_thread_free(avctx, avctx->thread_count); else - thread_free(avctx); + av_assert0(avctx->active_thread_type == 0); } -- 1.8.3.2

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[PATCH]Fix vaapi dependencies
by Carl Eugen Hoyos 05 Aug '13

05 Aug '13

Hi! The following configure line: ./nfigure --disable-everything --enable-shared --enable-vaapi fails building with the following undefined symbol in libavcodec/vaapi.o: libavcodec/libavcodec.so: undefined reference to `ff_mpeg_draw_horiz_band' Attached are two patches that both fix the issue for me. Please comment, Carl Eugen

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Workaround for compiling FFMPEG 1.0 for Android x86
by Saklatvala, George 05 Aug '13

05 Aug '13

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[PATCH] fate: Add vorbiscomment cover art test
by James Almer 05 Aug '13

05 Aug '13

Signed-off-by: James Almer <jamrial(a)gmail.com> --- tests/fate/cover-art.mak | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tests/fate/cover-art.mak b/tests/fate/cover-art.mak index 15745be..9d748ee 100644 --- a/tests/fate/cover-art.mak +++ b/tests/fate/cover-art.mak @@ -26,6 +26,10 @@ FATE_COVER_ART-$(CONFIG_WV_DEMUXER) += fate-cover-art-wv fate-cover-art-wv: CMD = md5 -i $(TARGET_SAMPLES)/cover_art/luckynight_cover.wv -an -c:v copy -f rawvideo fate-cover-art-wv: REF = 45333c983c45af54449dff10af144317 +FATE_COVER_ART-$(CONFIG_OGG_DEMUXER) += fate-cover-art-ogg +fate-cover-art-ogg: CMD = md5 -i $(TARGET_SAMPLES)/cover_art/ogg_vorbiscomment_cover.opus -map 0:v -c:v copy -f rawvideo +fate-cover-art-ogg: REF = 7f117e073620eabb4ed02680cf70af41 + FATE_COVER_ART = $(FATE_COVER_ART-yes) $(FATE_COVER_ART): CMP = oneline -- 1.8.1.5

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[RFC] Mostly identical defines set in mpeg.h and mpegts.h
by Andrey Utkin 05 Aug '13

05 Aug '13

I mean STREAM_TYPE_ defines. I suspect it is duplicated not by intention. -- Andrey Utkin

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Invitation to VideoLAN Dev Days 2013
by Jean-Baptiste Kempf 04 Aug '13

04 Aug '13

My fellow geeks and friends, We would like to invite you to join us for the VideoLAN Dev Days 2013 This technical conference about open source multimedia, will see developers from VLC, FFmpeg, x264, Phonon, DVBlast, PulseAudio, libav, KDE, Gnome, Xiph, handbrake, tomahawk and other projects gather to discuss about open source development of multimedia projects. It will be held in Paris, France, on August 31st (saturday) and September 1st (sunday) 2013. The schedule includes technical talks and presentation, meetings and dev/BoF rooms to discuss about multimedia. A contrario from previous years, the day before the event, Friday 30th, a special optional day in the Asterix amusement park, will be held for our community to bound together. Also, FOMS will not be held together to VDD, which will likely decrease the size of the event. As last years, VideoLAN will pay travel, hotels, food and Asterix park to active contributors to an Open Source project that do not have a corporate sponsorship. If you read this email, please take your flights to Paris as soon as possible. If you have a doubt about your sponsorship for VideoLAN, please ask on IRC or private mail. Please send this email to other multimedia folks, so that this event will be a success! We are actively seeking for talks! And for sponsors! More information on: http://www.videolan.org/videolan/events/vdd13/ Mandatory registration: http://goo.gl/mUEER Hoping to see all of you soon, JB, for VideoLAN -- Jean-Baptiste Kempf http://www.jbkempf.com/ - +33 672 704 734 Sent from my Electronic Device

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[PATCH] Document use case of mpegts muxer option tables_version
by Andrey Utkin 04 Aug '13

04 Aug '13

Terribly sorry, i've forgot to do this while preparing my previous patch which documented this option. --8<-- --- doc/muxers.texi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/doc/muxers.texi b/doc/muxers.texi index a3a1878..d204188 100644 --- a/doc/muxers.texi +++ b/doc/muxers.texi @@ -535,6 +535,18 @@ Preserve original timestamps, if value is set to 1. Default value is -1, which results in shifting timestamps so that they start from 0. @item -tables_version @var{number} Set PAT, PMT and SDT version (default 0, valid values are from 0 to 31, inclusively). +This option allows updating stream structure so that standard consumer may +detect the change. To do so, reopen output AVFormatContext (in case of API +usage) or restart ffmpeg instance, cyclically changing tables_version value: +@example +ffmpeg -i source1.ts -codec copy -f mpegts -tables_version 0 udp://1.1.1.1:1111 +ffmpeg -i source2.ts -codec copy -f mpegts -tables_version 1 udp://1.1.1.1:1111 +... +ffmpeg -i source3.ts -codec copy -f mpegts -tables_version 31 udp://1.1.1.1:1111 +ffmpeg -i source1.ts -codec copy -f mpegts -tables_version 0 udp://1.1.1.1:1111 +ffmpeg -i source2.ts -codec copy -f mpegts -tables_version 1 udp://1.1.1.1:1111 +... +@end example @end table Option mpegts_flags may take a set of such flags: -- 1.8.1.5

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[PATCH] lavf/tee: provide aliases for the f and bsfs special options
by Stefano Sabatini 04 Aug '13

04 Aug '13

Reduce the risk of option name conflict. --- doc/muxers.texi | 4 ++-- libavformat/tee.c | 20 +++++++++++--------- 2 files changed, 13 insertions(+), 11 deletions(-) diff --git a/doc/muxers.texi b/doc/muxers.texi index 7c5a1c8..70649ab 100644 --- a/doc/muxers.texi +++ b/doc/muxers.texi @@ -825,11 +825,11 @@ must be escaped; note that this is a second level escaping. The following special options are also recognized: @table @option -@item f +@item f, tee_f Specify the format name. Useful if it cannot be guessed from the output name suffix. -@item bsfs +@item bsfs, tee_bsfs Specify a list of bitstream filters to apply to the specified output. It is possible to specify to which streams a given bitstream filter applies, by appending a stream specifier to a bitstream filter diff --git a/libavformat/tee.c b/libavformat/tee.c index ebcee9f..5a5342d 100644 --- a/libavformat/tee.c +++ b/libavformat/tee.c @@ -187,17 +187,19 @@ static int open_slave(AVFormatContext *avf, char *slave, TeeSlave *tee_slave) if ((ret = parse_slave_options(avf, slave, &options, &filename)) < 0) return ret; - if ((entry = av_dict_get(options, "f", NULL, 0))) { - format = entry->value; - entry->value = NULL; /* prevent it from being freed */ - av_dict_set(&options, "f", NULL, 0); - } - if ((entry = av_dict_get(options, "bsfs", NULL, 0))) { - bsfs = entry->value; - entry->value = NULL; /* prevent it from being freed */ - av_dict_set(&options, "bsfs", NULL, 0); + +#define SET_OPT(var, key) \ + if ((entry = av_dict_get(options, key, NULL, 0))) { \ + var = entry->value; \ + entry->value = NULL; /* prevent it from being freed */ \ + av_dict_set(&options, key, NULL, 0); \ } + SET_OPT(format, "f"); + SET_OPT(format, "tee_f"); + SET_OPT(bsfs, "bsfs"); + SET_OPT(bsfs, "tee_bsfs"); + ret = avformat_alloc_output_context2(&avf2, NULL, format, filename); if (ret < 0) goto fail; -- 1.8.1.2

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ffv1.3
by Michael Niedermayer 03 Aug '13

03 Aug '13

Hi Ive been reviewing the ffv1 spec in the last few days/weeks and intend to remove the need for strict -2 soon / that is make 1.3 officially bitstream frozen, no bitstream changes are planed before that nor where there any recently. If anyone has any comments about the 1.3 bitstream, now is your last chance. Note though there will be a 1.4 and ive already a few ideas about that, new ideas/features belong to 1.4 they should not delay 1.3 further which has been delayed far too long. Thanks -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB The real ebay dictionary, page 2 "100% positive feedback" - "All either got their money back or didnt complain" "Best seller ever, very honest" - "Seller refunded buyer after failed scam"

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