Re: [FFmpeg-user] Input 5.1 DTS, output 2.0 MP3: Atrocious Quality

> > Instead, take the 5.1 and _DOWNMIX_ all tracks to a single stereo for > the phone/tablet by declaring -acodec -ac 2. No intermediate > steps should be required. Consider also - Do you need pcm_s32le ? > pcm_s16le is usual. I fail to see how that is any different than what I am doing now.

Re: [FFmpeg-user] Input 5.1 DTS, output 2.0 MP3: Atrocious Quality

On Fri, 15 May 2015 23:04:06 -0500, John L wrote: >Backstory: I have a system in place to automagically convert video files to >smaller formats/versions on request to have a sort of "mobile version" for my >father who travels extensively. The purpose is so that he can fit >significantly more v

Re: [FFmpeg-user] Input 5.1 DTS, output 2.0 MP3: Atrocious Quality

Maybe that's because you're converting lossy audio to another lossy audio format? ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user

Re: [FFmpeg-user] Conform framerate with ffmpeg

On Friday, May 15, 2015 02:42:06 PM Carl Eugen Hoyos wrote: > Carles Vila gmail.com> writes: > > 2. Is there a way to conform a ProRes file > > directly with ffmpeg? All audio channels playback > > sample rate should also be modified accordingly. > > How is that possible without transcoding? > J

[FFmpeg-user] Input 5.1 DTS, output 2.0 MP3: Atrocious Quality

Backstory: I have a system in place to automagically convert video files to smaller formats/versions on request to have a sort of "mobile version" for my father who travels extensively. The purpose is so that he can fit significantly more videos on his tablet than if they were the high quality r

Re: [FFmpeg-user] FDK_AAC OUTPUTS CBR AUDIO STREAM ONLY?!!!

/"why are you screaming?"/ Ummm...didn't mean to scream. If it came out like that to you and it was disruptive I may need to apologize?!! :) /"It is no longer relevant for newer versions of libfdk_aac, because VBR encoding modes are now meant to work properly."/ I'm using the most recent one. I

[FFmpeg-user] subtitles - visual alignment offset?

Is there a way to add a visual alignment offset for subtitles when burned in? The default subtitle placement with SRT's are low in the frame when considering broadcast safe. What's the quickest way to nudge them all higher in the frame? Just using this simple flag subtitles="input.srt":force_sty

Re: [FFmpeg-user] help with file paths under windows

On Fri, 15 May 2015, Moritz Barsnick wrote: On Thu, May 14, 2015 at 17:39:46 +0200, lorenzo angeli wrote: Now, this seems all to be working fine under linux, but on winows, I started finding a bunch of issues. first this : https://trac.ffmpeg.org/ticket/2166

Re: [FFmpeg-user] HD > SD Down-Convert Prores Color

> Date: Fri, 15 May 2015 15:04:54 +0100 > From: kevin.j.wheat...@gmail.com > To: ffmpeg-user@ffmpeg.org > Subject: Re: [FFmpeg-user] HD> SD Down-Convert Prores Color > > I should have paid more attention to your command line, in that case > you are going bet

Re: [FFmpeg-user] Text on multiple lines

Sorry Carl, here it is (sorry is a bit output): -- COMMAND ffmpeg -y -start_number 284 -i /home/efesto/Desktop/A010C009_101029_L1O3/A010C009_101029_L1O3.%4d.dpx -vf "[in] drawtext=fontsize=40:fontcolor=white:fontfile=/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans

Re: [FFmpeg-user] Text on multiple lines

lorenzo angeli efestolab.uk> writes: > I tried to replace \n with \f or other suggested, but > I've got no luck. Command line and complete, uncut console output missing. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.or

Re: [FFmpeg-user] Conform framerate with ffmpeg

Carles Vila gmail.com> writes: > 2. Is there a way to conform a ProRes file > directly with ffmpeg? All audio channels playback > sample rate should also be modified accordingly. How is that possible without transcoding? Carl Eugen ___ ffmpeg-user

[FFmpeg-user] Text on multiple lines

Hi all, I found this old thread on StackOverflow: http://stackoverflow.com/questions/8213865/ffmpeg-drawtext-over-multiple-lines on the subject of having text split on multiple lines. I tried to replace \n with \f or other suggested, but I've got no luck. Is there any way I can simply take a text

[FFmpeg-user] Conform framerate with ffmpeg

Hi all, I often use Cinema Tools (part of Final Cut Studio) to conform ProRes videos between 25 fps, 24 fps and 23,98 fps. As you may know, "conforming" is the process of changing the playback speed only by changing info in the file header (no transcoding) I have two questions: 1. For some reason

Re: [FFmpeg-user] HD > SD Down-Convert Prores Color

I should have paid more attention to your command line, in that case you are going between the same pixel format and I'm not sure that the use of the scalar for converting between different colour difference encodings will actually do anything as I believe it only considers using the matrices if th

Re: [FFmpeg-user] help with file paths under windows

THanks Moritz, I'll be having a second look at it. Cheers! L. 2015-05-15 13:12 GMT+02:00 Moritz Barsnick : > On Thu, May 14, 2015 at 17:39:46 +0200, lorenzo angeli wrote: > > Now, this seems all to be working fine under linux, but on winows, I > > started finding a bunch of issues. > > > > first

Re: [FFmpeg-user] help with file paths under windows

On Thu, May 14, 2015 at 17:39:46 +0200, lorenzo angeli wrote: > Now, this seems all to be working fine under linux, but on winows, I > started finding a bunch of issues. > > first this : > https://trac.ffmpeg.org/ticket/2166 >

Re: [FFmpeg-user] HD > SD Down-Convert Prores Color

> Date: Fri, 15 May 2015 09:39:00 +0100 > From: kevin.j.wheat...@gmail.com > To: ffmpeg-user@ffmpeg.org > Subject: Re: [FFmpeg-user] HD> SD Down-Convert Prores Color > > On Thu, May 14, 2015 at 4:49 PM, Kevin Wells wrote: >> Hi Kevin, what would be your sug

Re: [FFmpeg-user] HD > SD Down-Convert Prores Color

On Thu, May 14, 2015 at 4:49 PM, Kevin Wells wrote: > Hi Kevin, what would be your suggestion for a possible work-around? you can control the conversion ffmpeg adds automatically by using an explicit "-vf scale=out_color_matrix=bt709" when going from RGB to YCbCr substitute what you need for the