gmane.comp.video.ffmpeg.devel

[PATCH 1/2] lavc: switch from ts_end to duration inff_ass_add_rect.

Clément Bœsch — 2012-05-26T20:39:21

Make possible a end-to-presentation duration.
---
 libavcodec/ass.c         |    9 ++++++---
 libavcodec/ass.h         |    5 +++--
 libavcodec/jacosubdec.c  |    4 +---
 libavcodec/microdvddec.c |   14 ++++++++------
 libavcodec/srtdec.c      |    2 +-
 5 files changed, 19 insertions(+), 15 deletions(-)

diff --git a/libavcodec/ass.c b/libavcodec/ass.c
index 8c94d72..cbf1004 100644
--- a/libavcodec/ass.c
+++ b/libavcodec/ass.c
< at >< at > -70,15 +70,18 < at >< at > static int ts_to_string(char *str, int strlen, int ts)
 }
 
 int ff_ass_add_rect(AVSubtitle *sub, const char *dialog,
-                    int ts_start, int ts_end, int raw)
+                    int ts_start, int duration, int raw)
 {
-    int len = 0, dlen, duration = ts_end - ts_start;
+    int len = 0, dlen;
     char s_start[16], s_end[16], header[48] = {0};
     AVSubtitleRect **rects;
 
     if (!raw) {
         ts_to_string(s_start, sizeof(s_start), ts_start);
-        ts_to_string(s_end,   sizeof(s_end),   ts_end  );
+        if (duration == -1)
+

[PATCH] Fix tests without fate samples.

Alexis Ballier — 2012-05-26T18:09:56

$subject

please backport to 0.11 too, the release fails tests without fate
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel< at >ffmpeg.org
http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

[PATCH]Support reading fourcc yvyu

Carl Eugen Hoyos — 2012-05-26T11:31:40

Hi!

Attached patch fixes ticket 1352, based on work by ami_stuff.

Please comment, Carl Eugen_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel< at >ffmpeg.org
http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

[PATCH] lavfi/select/WIP: add scene detection.

Clément Bœsch — 2012-05-26T10:41:01

eg: ffmpeg -i ~/samples/GoneNutty.avi -vf scale=160:120,select='gt(scene_score\,60)*gt(scene_diff\,60)',tile -frames:v 1 out.png

TODO: documentation

Based on the shotdetect algorithm.
---
 libavfilter/vf_select.c |   63 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/libavfilter/vf_select.c b/libavfilter/vf_select.c
index d3f649c..5a9bdce 100644
--- a/libavfilter/vf_select.c
+++ b/libavfilter/vf_select.c
< at >< at > -25,7 +25,9 < at >< at >
 
 #include "libavutil/eval.h"
 #include "libavutil/fifo.h"
+#include "libavutil/timestamp.h"
 #include "avfilter.h"
+#include "formats.h"
 #include "video.h"
 
 static const char *const var_names[] = {
< at >< at > -62,6 +64,9 < at >< at > static const char *const var_names[] = {
     "key",               ///< tell if the frame is a key frame
     "pos",               ///< original position in the file of the frame
 
+    "scene_diff",
+    "scene_score",
+
     NULL
 };
 
< at >< at > -99,6 +104,9 < at >< at > enum var_name {
     VAR_KEY,
     VAR_POS,
 
+    VAR_SCENE_DIFF,
+

[PATCH] lavc: prettify printing of some codec tagswhich contains non alphanumeric char

Stefano Sabatini — 2012-05-25T23:47:32

Make av_get_codec_tag_string() show codec tag string characters in a more
intelligible ways. For example the ascii char "< at >" is used as a number, so
should be displayed like a "[64]" rather than as a printable character.

Apart alphanumeric chars, only the characters ' ' and '.' are used
literally in codec tags, all the other characters represent numbers.
---
 libavcodec/utils.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 15dd05a..74329e1 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
< at >< at > -1774,9 +1774,14 < at >< at > size_t av_get_codec_tag_string(char *buf, size_t buf_size, unsigned int codec_ta
 {
     int i, len, ret = 0;
 
+#define IS_PRINT(x)                                               \
+    (((x) >= '0' && (x) <= '9') ||                                \
+     ((x) >= 'a' && (x) <= 'z') || ((x) >= 'A' && (x) <= 'Z') ||  \
+     ((x) == '.' || (x) == ' '))
+
     for (i = 0; i < 4; i++) {
         len = snprintf(buf, buf_s

[PATCH] lavc/raw: add test utility for listingfourcc/pix_fmt map

Stefano Sabatini — 2012-05-25T23:47:18

The test program is useful for checking which raw formats are currently
identified by a codec tag.
---
 libavcodec/Makefile |    1 +
 libavcodec/raw.c    |   96 +++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 97 insertions(+), 0 deletions(-)

diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index da22704..add73bb 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
< at >< at > -783,6 +783,7 < at >< at > TESTPROGS = cabac                                                       \
             golomb                                                      \
             iirfilter                                                   \
             rangecoder                                                  \
+            raw                                                         \
             snowenc                                                     \
 
 TESTPROGS-$(HAVE_MMX) += motion
diff --git a/libavcodec/raw.c b/libavcodec/raw.c
index 2a6d7d0..45a6d24 100644
--- a/libavcodec/raw.c
+++ b/libavcode

[PATCH] ffprobe: reduce the number of AVBPrintresets.

Clément Bœsch — 2012-05-25T23:28:45

---
 ffprobe.c |   26 ++++++++++----------------
 1 file changed, 10 insertions(+), 16 deletions(-)

diff --git a/ffprobe.c b/ffprobe.c
index d53ec11..cbcc708 100644
--- a/ffprobe.c
+++ b/ffprobe.c
< at >< at > -662,19 +662,16 < at >< at > static void compact_show_tags(WriterContext *wctx, AVDictionary *dict)
     AVDictionaryEntry *tag = NULL;
     AVBPrint buf;
 
+    av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
     while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
         if (wctx->nb_item) printf("%c", compact->item_sep);
-
-        if (!compact->nokey) {
-            av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
+        av_bprint_clear(&buf);
+        if (!compact->nokey)
             printf("tag:%s=", compact->escape_str(&buf, tag->key, compact->item_sep, wctx));
-            av_bprint_finalize(&buf, NULL);
-        }
-
-        av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
+        av_bprint_clear(&buf);
         printf("%s", compact->escape_str(&buf, tag->value, compact->item_sep, wc

[PATCH] ffprobe: add flat output format.

Clément Bœsch — 2012-05-25T23:14:50

---
 doc/ffprobe.texi |    6 ++++
 ffprobe.c        |   81 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 86 insertions(+), 1 deletion(-)

diff --git a/doc/ffprobe.texi b/doc/ffprobe.texi
index ed96575..2cab961 100644
--- a/doc/ffprobe.texi
+++ b/doc/ffprobe.texi
< at >< at > -269,6 +269,12 < at >< at > CSV format.
 This writer is equivalent to
 < at >code{compact=item_sep=,:nokey=1:escape=csv}.
 
+< at >section flat
+Flat format.
+
+A free-form output with each line contains an explicit key=value, such as
+"stream.3.tag.25=foobar"
+
 < at >section json
 JSON based format.
 
diff --git a/ffprobe.c b/ffprobe.c
index d53ec11..43770cb 100644
--- a/ffprobe.c
+++ b/ffprobe.c
< at >< at > -710,6 +710,84 < at >< at > static const Writer csv_writer = {
     .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
 };
 
+/* Flat output */
+
+typedef struct FlatContext {
+    const AVClass *class;
+    const char *section;
+    int section_entry_id;
+} FlatContext;
+
+#undef OFFSET
+#define OFFSET(x) offsetof(FlatContext, x)
+
+static const char *flat_get_n

Best Android Configuration?

Kevin Kowalewski — 2012-05-25T19:06:56

Hi,

We're currently using the following script to generate the appropriate
configuration for Android, but find the performance is still not enough on
a dual core Cortex A9 CPU under Android.

We suspect no hardware acceleration is possible yet with FFMpeg and Android.

Does anyone know of better configuration options?

Kevin

######################################################
# FFmpeg builds script for Android+ARM platform
#
# This script is released under term of
#   CDDL (http://www.opensource.org/licenses/cddl1)
# Wrote by pinxue (~< at >gmail.com) from RockPlayer.com
#                                   2010-8 ~ 2011-4
######################################################

#NDK=~/android/android-ndk-r4
#PLATFORM=$NDK/build/platforms/android-8/arch-arm/
#PREBUILT=$NDK/build/prebuilt/darwin-x86/arm-eabi-4.4.0

PLATFORM=$NDK/platforms/android-8/arch-arm
PREBUILT=$NDK/toolchains/arm-linux-androideabi-4.4.3/prebuilt/darwin-x86

function build_one
{

# -fasm : required. Android header file uses asm keyword ins

FFmpeg 0.11

Michael Niedermayer — 2012-05-25T19:00:54

Hi

FFmpeg 0.11 was born today

If you fix major bugs in master please either backport them to
release/0.11 or put the word "backport" in some form in the commit
message, maybe a "should be backported to 0.11" so i can simply grep
for these before the next minor release

Multi-threaded decoding via C++?

Kevin Kowalewski — 2012-05-25T16:41:58

Hi,

I am decoding WMV streams via the C++ API but performance is lack luster.
On a 1.4 Ghz ARM CPU I can only eek out about 15 FPS if a 720p stream. I've
used all the compiler options I can but the performance is still not
enough. I've set the codec thread_count to 4, but it does not seem like
ffmpeg is actually using more than 1 thread as only a single CPU core is
used. I'm not sure if GPU acceleration can happen with FFMpeg under Android
yet.

*    codecCtx->thread_count = thread_count;*

This is called before *avcodec_open(codecCtx, codec).*

Does anyone have some advice? This is from the latest FFMpeg pulled
yesterday.

Thanks,
Kevin

FFmpeg wiki

Burek Pekaric — 2012-05-25T14:18:32

Hi,

I've created an example of FFmpeg wiki and copied some material from the 
current documentation, written in .texi files (from git). The purpose 
why I'm writing this message is to ask if there are people interested in 
building up a wiki website for FFmpeg, which would (in my personal 
opinion) make it easy for everyone to simply add/edit an article, thus 
improving the documentation (just like wikipedia or VLC's wiki). This 
way people won't need to learn about git/texinfo, just in order to make 
some minor changes to the documentation and it would be more 
user-friendly, I guess, which in turn would help FFmpeg get more 
up-to-date docs.

So, I've created a starting point and I'd just like to see if anyone is 
interested in contributing (adding content from .texi files) or should I 
just drop it completely. To be honest, I thought I'd just copy/paste the 
html documentation and format it a little bit, but there is really a lot 
of documentation that needs to be categorized and organized, so I'm not 
s

[PATCH] ffprobe: display the codec profile inshow_stream()

Stefano Sabatini — 2012-05-25T13:07:45

From: Christian Schmidt <schmidt< at >digadd.de>

Signed-off-by: Stefano Sabatini <stefasab< at >gmail.com>
---
 doc/ffprobe.xsd |    1 +
 ffprobe.c       |    2 ++
 2 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/doc/ffprobe.xsd b/doc/ffprobe.xsd
index 3984b7d..f8e9fe9 100644
--- a/doc/ffprobe.xsd
+++ b/doc/ffprobe.xsd
< at >< at > -83,6 +83,7 < at >< at >
       <xsd:attribute name="index"            type="xsd:int" use="required"/>
       <xsd:attribute name="codec_name"       type="xsd:string" />
       <xsd:attribute name="codec_long_name"  type="xsd:string" />
+      <xsd:attribute name="profile"          type="xsd:string" />
       <xsd:attribute name="codec_type"       type="xsd:string" />
       <xsd:attribute name="codec_time_base"  type="xsd:string" use="required"/>
       <xsd:attribute name="codec_tag"        type="xsd:string" use="required"/>
diff --git a/ffprobe.c b/ffprobe.c
index d53ec11..3d32a2e 100644
--- a/ffprobe.c
+++ b/ffprobe.c
< at >< at > -1367,9 +1367,11 < at >< at > static void show_stream(WriterContext *w, AVFormat

[PATCH] tests/lavfi: rework lavfi-regression.sh,avoid use of ffmpeg -pix_fmts

Stefano Sabatini — 2012-05-25T01:10:12

Use lavfi-showfiltfmts for checking the format supported by the scale
filter instead. The advantage is that the scale filter may support
formats which are not supported by libswscale (namely: the pal8 format).

The new implementation is also a bit cleaner, because it doesn't depend
on the ffmpeg output.
---
 tests/lavfi-regression.sh                        |   25 ++++++++++-----------
 tests/ref/lavfi/{pixdesc => pixfmts_pixdesctest} |    1 +
 2 files changed, 13 insertions(+), 13 deletions(-)
 rename tests/ref/lavfi/{pixdesc => pixfmts_pixdesctest} (98%)

diff --git a/tests/lavfi-regression.sh b/tests/lavfi-regression.sh
index 4d669f2..e635079 100755
--- a/tests/lavfi-regression.sh
+++ b/tests/lavfi-regression.sh
< at >< at > -68,19 +68,24 < at >< at > do_lavfi_pixfmts(){
     filter_args=$2
 
     showfiltfmts="$target_exec $target_path/tools/lavfi-showfiltfmts"
-    exclude_fmts=${outfile}${1}_exclude_fmts
-    out_fmts=${outfile}${1}_out_fmts
+    scale_exclude_fmts=${outfile}${1}_scale_exclude_fmts
+    scale_in_fmts=${out

[PATCH] ffmpeg: use AVBPrint API for filter args.

Clément Bœsch — 2012-05-24T22:56:05

---
 ffmpeg.c |   70 ++++++++++++++++++++++++++++----------------------------------
 1 file changed, 32 insertions(+), 38 deletions(-)

diff --git a/ffmpeg.c b/ffmpeg.c
index fad21c0..4a70039 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
< at >< at > -807,20 +807,22 < at >< at > static int configure_audio_filters(FilterGraph *fg, AVFilterContext **in_filter,
     AVCodecContext *codec  = ost->st->codec;
     AVCodecContext *icodec = ist->st->codec;
     char *sample_fmts, *sample_rates, *channel_layouts;
-    char args[256];
+    AVBPrint filter_args;
     int ret;
 
+    av_bprint_init(&filter_args, 256, 2048);
+
     avfilter_graph_free(&fg->graph);
     if (!(fg->graph = avfilter_graph_alloc()))
         return AVERROR(ENOMEM);
 
-    snprintf(args, sizeof(args), "time_base=%d/%d:sample_rate=%d:sample_fmt=%s:"
-             "channel_layout=0x%"PRIx64, ist->st->time_base.num,
-             ist->st->time_base.den, icodec->sample_rate,
-             av_get_sample_fmt_name(icodec->sample_fmt), icodec->channel_layout);
+    av_bprintf(&fi

[PATCH 1/4] ffplay: dont destroy packet queues onstream change

Marton Balint — 2012-05-24T22:27:43

This fixes occasional segfaults caused by lock request of the packet queue from
the reader thread.

Also don't allow to put frames into the queue when it's aborted, and don't try
to fill the queue with frames when it is aborted.

Signed-off-by: Marton Balint <cus< at >passwd.hu>
---
 ffplay.c |   66 +++++++++++++++++++++++++++++++++++++++++++------------------
 1 files changed, 46 insertions(+), 20 deletions(-)

diff --git a/ffplay.c b/ffplay.c
index b57909b..40647ac 100644
--- a/ffplay.c
+++ b/ffplay.c
< at >< at > -303,13 +303,12 < at >< at > void av_noreturn exit_program(int ret)
     exit(ret);
 }
 
-static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
+static int packet_queue_put_private(PacketQueue *q, AVPacket *pkt)
 {
     AVPacketList *pkt1;
 
-    /* duplicate the packet */
-    if (pkt != &flush_pkt && av_dup_packet(pkt) < 0)
-        return -1;
+    if (q->abort_request)
+       return -1;
 
     pkt1 = av_malloc(sizeof(AVPacketList));
     if (!pkt1)
< at >< at > -317,11 +316,7 < at >< at > static int packet_queue_put(PacketQueue *q,

[PATCH] lavfi/aresample: print channel layouts andformats along with the rate.

Clément Bœsch — 2012-05-24T22:07:54

---
 libavfilter/af_aresample.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/libavfilter/af_aresample.c b/libavfilter/af_aresample.c
index 3b9fe9d..30d6f6a 100644
--- a/libavfilter/af_aresample.c
+++ b/libavfilter/af_aresample.c
< at >< at > -133,6 +133,7 < at >< at > static int config_output(AVFilterLink *outlink)
     int out_rate;
     uint64_t out_layout;
     enum AVSampleFormat out_format;
+    char inchl_buf[128], outchl_buf[128];
 
     aresample->swr = swr_alloc_set_opts(aresample->swr,
                                         outlink->channel_layout, outlink->format, outlink->sample_rate,
< at >< at > -156,8 +157,11 < at >< at > static int config_output(AVFilterLink *outlink)
 
     aresample->ratio = (double)outlink->sample_rate / inlink->sample_rate;
 
-    av_log(ctx, AV_LOG_INFO, "r:%"PRId64"Hz -> r:%"PRId64"Hz\n",
-           inlink->sample_rate, outlink->sample_rate);
+    av_get_channel_layout_string(inchl_buf,  sizeof(inchl_buf),  -1, inlink ->channel_layout);
+    av_get_channel_layout_string(ou

0.11 and avdevice soname

Michael Niedermayer — 2012-05-24T20:36:00

Hi everyone

I wanted to release 0.11 today but i run into a problem
namely the libavdevice soname

libavformats soname was bumped and its ABI changed a bit while
libavdevice was not changed

now if one has:
old_foo -> old_libavdevice -> old_libavformat
        -> old_libavformat

and installs

new_bar -> new_libavdevice -> new_libavformat
        -> new_libavformat

this would happen: (because both libavdevice have the same soname the
old is replaced)

old_foo -> new_libavdevice -> new_libavformat
        -> old_libavformat

In the best case old_foo will register the av devices and not see them
in the libavformat it uses.
In the worst this will just crash (that is if versioning isnt used)


because of above i will bump libavdevices soname really soon unless
someone sees a better solution

Thanks

mpeg 2 Video

2012-05-18T14:03:12

Guten Tag !
Mein Name ist Braun und komme aus Deutschland.
Habe ein Problem mit MPEG2  Video.
Dieses Video kann ich nicht auf meinem Rechner Computer sehen ohne diese Störungen.
Der Ton sowie Video ist verzerrt.
Man kann das Video nur mit dieser Karte gut sehen ohne Störungen.
Weis aber leider nicht wer der Hersteller diese Karte ist.
Daher ist es für mich unmöglich dies Video zu sehen.
Habe schon viele Codec ausprobiert und leider immer wieder ohne Erfolg.
Auch der Codec von Ihrer Seite geht leider nicht .
Das Video und die Karte sind aus dem Jahr 1995 .
Würde mich super freuen wenn es jemand von euch schaffen kann dies hin zu bekommen.
Damit ich das Video wieder sehen kann ohne Störungen.
Bitte gehen sie auf meine Seite dort können Sie folgende Bilder sehen.
Und das Video herunterladen.
Einfach auf MPEG2 Video klicken.
Oder auf Bild klicken um es zu vergrößern.
Würde mich freuen auf eine baldige Antwort von Ihnen.
Bedanke mich sehr für Ihre Bemühungen.
http://wolfskis.de/mpeg/
Mail: Alois-p< at >gmx

mpeg 2 Video

2012-05-18T13:53:44

Guten Tag !
Mein Name ist Braun und komme aus Deutschland.
Habe ein Problem mit MPEG2  Video.
Dieses Video kann ich nicht auf meinem Rechner Computer sehen ohne diese Störungen.
Der Ton sowie Video ist verzerrt.
Man kann das Video nur mit dieser Karte gut sehen ohne Störungen.
Weis aber leider nicht wer der Hersteller diese Karte ist.
Daher ist es für mich unmöglich dies Video zu sehen.
Habe schon viele Codec ausprobiert und leider immer wieder ohne Erfolg.
Auch der Codec von Ihrer Seite geht leider nicht .
Das Video und die Karte sind aus dem Jahr 1995 .
Würde mich super freuen wenn es jemand von euch schaffen kann dies hin zu bekommen.
Damit ich das Video wieder sehen kann ohne Störungen.
Bitte gehen sie auf meine Seite dort können Sie folgende Bilder sehen.
Und das Video herunterladen.
Einfach auf MPEG2 Video klicken.
Oder auf Bild klicken um es zu vergrößern.
Würde mich freuen auf eine baldige Antwort von Ihnen.
Bedanke mich sehr für Ihre Bemühungen.
http://wolfskis.de/mpeg/
 
 
Good day! 
My

FATE and git push

Michael Niedermayer — 2012-05-24T12:29:11

Hi

id like to remind everyone to please either run the regression tests
before you push changes or to push in a clone of ffmpeg and ask me
to pull. Iam happy to run the regression tests for you, iam not happy
to have everyones work disrupted due to broken regression tests.