[FFmpeg-cvslog] avcodec/pthread_slice: Remove MPEG-1 height hack

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Sat Mar 15 04:59:55 2025 +0100| [c82101c9ce70917880d60ef5cc4f96cff5c650f0] | committer: Andreas Rheinhardt

avcodec/pthread_slice: Remove MPEG-1 height hack

This is no longer necessary given that the MPEG-1 encoder
now adapts the size of the last slice to ensure that
no slice header has an invalid slice_start_code.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c82101c9ce70917880d60ef5cc4f96cff5c650f0
---

 libavcodec/pthread_slice.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/libavcodec/pthread_slice.c b/libavcodec/pthread_slice.c
index 8fd3fdafd3..4714fef106 100644
--- a/libavcodec/pthread_slice.c
+++ b/libavcodec/pthread_slice.c
@@ -115,12 +115,6 @@ av_cold int ff_slice_thread_init(AVCodecContext *avctx)
     int thread_count = avctx->thread_count;
     void (*mainfunc)(void *);
 
-    // We cannot do this in the encoder init as the threads are created before
-    if (ff_codec_is_encoder(avctx->codec) &&
-        avctx->codec_id == AV_CODEC_ID_MPEG1VIDEO &&
-        avctx->height > 2800)
-        thread_count = avctx->thread_count = 1;
-
     if (!thread_count) {
         int nb_cpus = av_cpu_count();
         if  (avctx->height)