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From: "Tomas Härdin" <git@haerdin.se>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH v3] Add avpriv_slicethread_create2() and avpriv_slicethread_execute2(), make execute() and execute2() return FFMIN() of thread return codes
Date: Mon, 26 Sep 2022 16:44:28 +0200
Message-ID: <5c298456be5d96b60060601ff103ab428d3ee9d7.camel@haerdin.se> (raw)
In-Reply-To: <AS8P250MB0744CC1F67F84A517323588F8F529@AS8P250MB0744.EURP250.PROD.OUTLOOK.COM>

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mån 2022-09-26 klockan 16:28 +0200 skrev Andreas Rheinhardt:
> Tomas Härdin:
> > mån 2022-09-26 klockan 15:58 +0200 skrev Andreas Rheinhardt:
> > > Tomas Härdin:
> > > > diff --git a/libswscale/swscale_internal.h
> > > > b/libswscale/swscale_internal.h
> > > > index abeebbb002..50e73c86fa 100644
> > > > --- a/libswscale/swscale_internal.h
> > > > +++ b/libswscale/swscale_internal.h
> > > > @@ -306,7 +306,7 @@ typedef struct SwsContext {
> > > >  
> > > >      AVSliceThread      *slicethread;
> > > >      struct SwsContext **slice_ctx;
> > > > -    int                *slice_err;
> > > > +    attribute_deprecated int *slice_err; ///< @deprecated Not
> > > > used
> > > > any more. Removing it would require a bunch of asm to be
> > > > rewritten.
> > > >      int              nb_slice_ctx;
> > > >  
> > > >      // values passed to current sws_receive_slice() call
> > > 
> > > What asm would need to be rewritten?
> > 
> > swscale.c:
> >         /* yuv2gbrp uses the SwsContext for yuv coefficients
> >            if struct offsets change the asm needs to be updated too
> > */
> >         av_assert0(offsetof(SwsContext, yuv2rgb_y_offset) ==
> > 40292);
> > 
> > 
> > > Anyway, we don't deprecate internal fields; if we have to keep
> > > them
> > > around for ABI compatibility, we wrap them in #if
> > > LIBFOO_VERSION_MAJOR <
> > > BAR.
> > 
> > It's not actually an API/ABI issue but an asm issue
> > 
> 
> It seems to me that this is the only such issue that affects this
> patch.
> If you modified line 583 of libswscale/x86/output.asm as well as the
> assert, you could remove slice_err. (But let James confirm this.)

Here's a yet further updated patch with this change implemented. Passes
FATE.

/Tomas

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From 03bc38e6575f2f742157ed23608848b38b04bf6c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tomas=20H=C3=A4rdin?= <git@haerdin.se>
Date: Thu, 16 Jun 2022 12:16:44 +0200
Subject: [PATCH] Add avpriv_slicethread_create2() and
 avpriv_slicethread_execute2(), make execute() and execute2() return FFMIN()
 of thread return codes

Updates all internal uses of related APIs.
At the moment only fic.c actually checks return code of execute() hence the change to its FATE reference.
---
 libavcodec/avcodec.c          | 10 +++--
 libavcodec/pthread_slice.c    | 14 +++----
 libavfilter/pthread.c         |  8 ++--
 libavutil/slicethread.c       | 74 ++++++++++++++++++++++++++++++++---
 libavutil/slicethread.h       | 27 +++++++++++++
 libavutil/version.h           |  2 +-
 libswscale/swscale.c          | 20 ++--------
 libswscale/swscale_internal.h |  5 +--
 libswscale/utils.c            |  8 ++--
 libswscale/x86/output.asm     |  2 +-
 libswscale/x86/swscale.c      |  2 +-
 tests/fate/screen.mak         |  1 +
 tests/ref/fate/fic-avi        | 30 ++++++--------
 13 files changed, 138 insertions(+), 65 deletions(-)

diff --git a/libavcodec/avcodec.c b/libavcodec/avcodec.c
index a85d3c2309..ee75b3abe7 100644
--- a/libavcodec/avcodec.c
+++ b/libavcodec/avcodec.c
@@ -44,28 +44,30 @@
 
 int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size)
 {
-    int i;
+    int i, rr = 0;
 
     for (i = 0; i < count; i++) {
         int r = func(c, (char *)arg + i * size);
+        rr = FFMIN(rr, r);
         if (ret)
             ret[i] = r;
     }
     emms_c();
-    return 0;
+    return rr;
 }
 
 int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int jobnr, int threadnr), void *arg, int *ret, int count)
 {
-    int i;
+    int i, rr = 0;
 
     for (i = 0; i < count; i++) {
         int r = func(c, arg, i, 0);
+        rr = FFMIN(rr, r);
         if (ret)
             ret[i] = r;
     }
     emms_c();
-    return 0;
+    return rr;
 }
 
 static AVMutex codec_mutex = AV_MUTEX_INITIALIZER;
diff --git a/libavcodec/pthread_slice.c b/libavcodec/pthread_slice.c
index a4d31c6f4d..795d0c9c5a 100644
--- a/libavcodec/pthread_slice.c
+++ b/libavcodec/pthread_slice.c
@@ -61,13 +61,13 @@ typedef struct SliceThreadContext {
     Progress *progress;
 } SliceThreadContext;
 
-static void main_function(void *priv) {
+static int main_function(void *priv) {
     AVCodecContext *avctx = priv;
     SliceThreadContext *c = avctx->internal->thread_ctx;
-    c->mainfunc(avctx);
+    return c->mainfunc(avctx);
 }
 
-static void worker_func(void *priv, int jobnr, int threadnr, int nb_jobs, int nb_threads)
+static int worker_func(void *priv, int jobnr, int threadnr, int nb_jobs, int nb_threads)
 {
     AVCodecContext *avctx = priv;
     SliceThreadContext *c = avctx->internal->thread_ctx;
@@ -77,6 +77,7 @@ static void worker_func(void *priv, int jobnr, int threadnr, int nb_jobs, int nb
                   : c->func2(avctx, c->args, jobnr, threadnr);
     if (c->rets)
         c->rets[jobnr] = ret;
+    return ret;
 }
 
 void ff_slice_thread_free(AVCodecContext *avctx)
@@ -112,8 +113,7 @@ static int thread_execute(AVCodecContext *avctx, action_func* func, void *arg, i
     c->func = func;
     c->rets = ret;
 
-    avpriv_slicethread_execute(c->thread, job_count, !!c->mainfunc  );
-    return 0;
+    return avpriv_slicethread_execute2(c->thread, job_count, !!c->mainfunc);
 }
 
 static int thread_execute2(AVCodecContext *avctx, action_func2* func2, void *arg, int *ret, int job_count)
@@ -135,7 +135,7 @@ int ff_slice_thread_init(AVCodecContext *avctx)
 {
     SliceThreadContext *c;
     int thread_count = avctx->thread_count;
-    void (*mainfunc)(void *);
+    int (*mainfunc)(void *);
 
     // We cannot do this in the encoder init as the threads are created before
     if (av_codec_is_encoder(avctx->codec) &&
@@ -161,7 +161,7 @@ int ff_slice_thread_init(AVCodecContext *avctx)
 
     avctx->internal->thread_ctx = c = av_mallocz(sizeof(*c));
     mainfunc = ffcodec(avctx->codec)->caps_internal & FF_CODEC_CAP_SLICE_THREAD_HAS_MF ? &main_function : NULL;
-    if (!c || (thread_count = avpriv_slicethread_create(&c->thread, avctx, worker_func, mainfunc, thread_count)) <= 1) {
+    if (!c || (thread_count = avpriv_slicethread_create2(&c->thread, avctx, worker_func, mainfunc, thread_count)) <= 1) {
         if (c)
             avpriv_slicethread_free(&c->thread);
         av_freep(&avctx->internal->thread_ctx);
diff --git a/libavfilter/pthread.c b/libavfilter/pthread.c
index 1a063d3cc0..855c842df9 100644
--- a/libavfilter/pthread.c
+++ b/libavfilter/pthread.c
@@ -43,12 +43,13 @@ typedef struct ThreadContext {
     int   *rets;
 } ThreadContext;
 
-static void worker_func(void *priv, int jobnr, int threadnr, int nb_jobs, int nb_threads)
+static int worker_func(void *priv, int jobnr, int threadnr, int nb_jobs, int nb_threads)
 {
     ThreadContext *c = priv;
     int ret = c->func(c->ctx, c->arg, jobnr, nb_jobs);
     if (c->rets)
         c->rets[jobnr] = ret;
+    return ret;
 }
 
 static void slice_thread_uninit(ThreadContext *c)
@@ -68,13 +69,12 @@ static int thread_execute(AVFilterContext *ctx, avfilter_action_func *func,
     c->func        = func;
     c->rets        = ret;
 
-    avpriv_slicethread_execute(c->thread, nb_jobs, 0);
-    return 0;
+    return avpriv_slicethread_execute2(c->thread, nb_jobs, 0);
 }
 
 static int thread_init_internal(ThreadContext *c, int nb_threads)
 {
-    nb_threads = avpriv_slicethread_create(&c->thread, c, worker_func, NULL, nb_threads);
+    nb_threads = avpriv_slicethread_create2(&c->thread, c, worker_func, NULL, nb_threads);
     if (nb_threads <= 1)
         avpriv_slicethread_free(&c->thread);
     return FFMAX(nb_threads, 1);
diff --git a/libavutil/slicethread.c b/libavutil/slicethread.c
index 115b099736..9ce58ffa64 100644
--- a/libavutil/slicethread.c
+++ b/libavutil/slicethread.c
@@ -34,6 +34,7 @@ typedef struct WorkerContext {
     pthread_cond_t  cond;
     pthread_t       thread;
     int             done;
+    int             ret;
 } WorkerContext;
 
 struct AVSliceThread {
@@ -50,11 +51,15 @@ struct AVSliceThread {
     int             finished;
 
     void            *priv;
+    // either worker_func and main_func are non-NULL or worker_func2 and main_func2 are
+    // all four are never non-NULL at the same time
     void            (*worker_func)(void *priv, int jobnr, int threadnr, int nb_jobs, int nb_threads);
     void            (*main_func)(void *priv);
+    int             (*worker_func2)(void *priv, int jobnr, int threadnr, int nb_jobs, int nb_threads);
+    int             (*main_func2)(void *priv);
 };
 
-static int run_jobs(AVSliceThread *ctx)
+static int run_jobs(AVSliceThread *ctx, int *ret_out)
 {
     unsigned nb_jobs    = ctx->nb_jobs;
     unsigned nb_active_threads = ctx->nb_active_threads;
@@ -62,7 +67,12 @@ static int run_jobs(AVSliceThread *ctx)
     unsigned current_job  = first_job;
 
     do {
-        ctx->worker_func(ctx->priv, current_job, first_job, nb_jobs, nb_active_threads);
+        if (ctx->worker_func2) {
+            int ret = ctx->worker_func2(ctx->priv, current_job, first_job, nb_jobs, nb_active_threads);
+            *ret_out = FFMIN(*ret_out, ret);
+        } else {
+            ctx->worker_func(ctx->priv, current_job, first_job, nb_jobs, nb_active_threads);
+        }
     } while ((current_job = atomic_fetch_add_explicit(&ctx->current_job, 1, memory_order_acq_rel)) < nb_jobs);
 
     return current_job == nb_jobs + nb_active_threads - 1;
@@ -86,7 +96,7 @@ static void *attribute_align_arg thread_worker(void *v)
             return NULL;
         }
 
-        if (run_jobs(ctx)) {
+        if (run_jobs(ctx, &w->ret)) {
             pthread_mutex_lock(&ctx->done_mutex);
             ctx->done = 1;
             pthread_cond_signal(&ctx->done_cond);
@@ -95,9 +105,11 @@ static void *attribute_align_arg thread_worker(void *v)
     }
 }
 
-int avpriv_slicethread_create(AVSliceThread **pctx, void *priv,
+static int slicethread_create(AVSliceThread **pctx, void *priv,
                               void (*worker_func)(void *priv, int jobnr, int threadnr, int nb_jobs, int nb_threads),
                               void (*main_func)(void *priv),
+                              int (*worker_func2)(void *priv, int jobnr, int threadnr, int nb_jobs, int nb_threads),
+                              int (*main_func2)(void *priv),
                               int nb_threads)
 {
     AVSliceThread *ctx;
@@ -128,6 +140,8 @@ int avpriv_slicethread_create(AVSliceThread **pctx, void *priv,
     ctx->priv        = priv;
     ctx->worker_func = worker_func;
     ctx->main_func   = main_func;
+    ctx->worker_func2= worker_func2;
+    ctx->main_func2  = main_func2;
     ctx->nb_threads  = nb_threads;
     ctx->nb_active_threads = 0;
     ctx->nb_jobs     = 0;
@@ -165,9 +179,34 @@ int avpriv_slicethread_create(AVSliceThread **pctx, void *priv,
     return nb_threads;
 }
 
+#if LIBAVUTIL_VERSION_MAJOR < 58
+int avpriv_slicethread_create(AVSliceThread **pctx, void *priv,
+                              void (*worker_func)(void *priv, int jobnr, int threadnr, int nb_jobs, int nb_threads),
+                              void (*main_func)(void *priv),
+                              int nb_threads)
+{
+    return slicethread_create(pctx, priv, worker_func, main_func, NULL, NULL, nb_threads);
+}
+#endif // LIBAVUTIL_VERSION_MAJOR
+
+int avpriv_slicethread_create2(AVSliceThread **pctx, void *priv,
+                               int (*worker_func)(void *priv, int jobnr, int threadnr, int nb_jobs, int nb_threads),
+                               int (*main_func)(void *priv),
+                               int nb_threads)
+{
+    return slicethread_create(pctx, priv, NULL, NULL, worker_func, main_func, nb_threads);
+}
+
+#if LIBAVUTIL_VERSION_MAJOR < 58
 void avpriv_slicethread_execute(AVSliceThread *ctx, int nb_jobs, int execute_main)
 {
-    int nb_workers, i, is_last = 0;
+    (void)avpriv_slicethread_execute2(ctx, nb_jobs, execute_main);
+}
+#endif // LIBAVUTIL_VERSION_MAJOR
+
+int avpriv_slicethread_execute2(AVSliceThread *ctx, int nb_jobs, int execute_main)
+{
+    int nb_workers, i, is_last = 0, ret = 0;
 
     av_assert0(nb_jobs > 0);
     ctx->nb_jobs           = nb_jobs;
@@ -182,14 +221,17 @@ void avpriv_slicethread_execute(AVSliceThread *ctx, int nb_jobs, int execute_mai
         WorkerContext *w = &ctx->workers[i];
         pthread_mutex_lock(&w->mutex);
         w->done = 0;
+        w->ret = 0;
         pthread_cond_signal(&w->cond);
         pthread_mutex_unlock(&w->mutex);
     }
 
     if (ctx->main_func && execute_main)
         ctx->main_func(ctx->priv);
+    else if (ctx->main_func2 && execute_main)
+        ret = ctx->main_func2(ctx->priv);
     else
-        is_last = run_jobs(ctx);
+        is_last = run_jobs(ctx, &ret);
 
     if (!is_last) {
         pthread_mutex_lock(&ctx->done_mutex);
@@ -198,6 +240,11 @@ void avpriv_slicethread_execute(AVSliceThread *ctx, int nb_jobs, int execute_mai
         ctx->done = 0;
         pthread_mutex_unlock(&ctx->done_mutex);
     }
+
+    for (i = 0; i < nb_workers; i++)
+        ret = FFMIN(ret, ctx->workers[i].ret);
+
+    return ret;
 }
 
 void avpriv_slicethread_free(AVSliceThread **pctx)
@@ -246,11 +293,26 @@ int avpriv_slicethread_create(AVSliceThread **pctx, void *priv,
     return AVERROR(ENOSYS);
 }
 
+int avpriv_slicethread_create2(AVSliceThread **pctx, void *priv,
+                               int (*worker_func)(void *priv, int jobnr, int threadnr, int nb_jobs, int nb_threads),
+                               int (*main_func)(void *priv),
+                               int nb_threads)
+{
+    *pctx = NULL;
+    return AVERROR(ENOSYS);
+}
+
 void avpriv_slicethread_execute(AVSliceThread *ctx, int nb_jobs, int execute_main)
 {
     av_assert0(0);
 }
 
+int avpriv_slicethread_execute2(AVSliceThread *ctx, int nb_jobs, int execute_main)
+{
+    av_assert0(0);
+    return AVERROR(ENOSYS);
+}
+
 void avpriv_slicethread_free(AVSliceThread **pctx)
 {
     av_assert0(!pctx || !*pctx);
diff --git a/libavutil/slicethread.h b/libavutil/slicethread.h
index f6f6f302c4..912ea13ce0 100644
--- a/libavutil/slicethread.h
+++ b/libavutil/slicethread.h
@@ -21,6 +21,7 @@
 
 typedef struct AVSliceThread AVSliceThread;
 
+#if LIBAVUTIL_VERSION_MAJOR < 58
 /**
  * Create slice threading context.
  * @param pctx slice threading context returned here
@@ -34,7 +35,23 @@ int avpriv_slicethread_create(AVSliceThread **pctx, void *priv,
                               void (*worker_func)(void *priv, int jobnr, int threadnr, int nb_jobs, int nb_threads),
                               void (*main_func)(void *priv),
                               int nb_threads);
+#endif // LIBAVUTIL_VERSION_MAJOR
 
+/**
+ * Like avpriv_slicethread_create() except worker_func and main_func return int.
+ * @param pctx slice threading context returned here
+ * @param priv private pointer to be passed to callback function
+ * @param worker_func callback function to be executed
+ * @param main_func special callback function, called from main thread, may be NULL
+ * @param nb_threads number of threads, 0 for automatic, must be >= 0
+ * @return return number of threads or negative AVERROR on failure
+ */
+int avpriv_slicethread_create2(AVSliceThread **pctx, void *priv,
+                               int (*worker_func)(void *priv, int jobnr, int threadnr, int nb_jobs, int nb_threads),
+                               int (*main_func)(void *priv),
+                               int nb_threads);
+
+#if LIBAVUTIL_VERSION_MAJOR < 58
 /**
  * Execute slice threading.
  * @param ctx slice threading context
@@ -42,6 +59,16 @@ int avpriv_slicethread_create(AVSliceThread **pctx, void *priv,
  * @param execute_main also execute main_func
  */
 void avpriv_slicethread_execute(AVSliceThread *ctx, int nb_jobs, int execute_main);
+#endif // LIBAVUTIL_VERSION_MAJOR
+
+/**
+ * Like avpriv_slicethread_execute() except returns FFMIN(0, main_func(), worker_func()).
+ * @param ctx slice threading context
+ * @param nb_jobs number of jobs, must be > 0
+ * @param execute_main also execute main_func
+ * @return AVERROR on error.
+ */
+int avpriv_slicethread_execute2(AVSliceThread *ctx, int nb_jobs, int execute_main);
 
 /**
  * Destroy slice threading context.
diff --git a/libavutil/version.h b/libavutil/version.h
index 9c44cef6aa..5aca550f45 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -79,7 +79,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  57
-#define LIBAVUTIL_VERSION_MINOR  37
+#define LIBAVUTIL_VERSION_MINOR  38
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 367d045a02..500b74c099 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -1150,23 +1150,11 @@ int sws_receive_slice(struct SwsContext *c, unsigned int slice_start,
 
     if (c->slicethread) {
         int nb_jobs = c->slice_ctx[0]->dither == SWS_DITHER_ED ? 1 : c->nb_slice_ctx;
-        int ret = 0;
 
         c->dst_slice_start  = slice_start;
         c->dst_slice_height = slice_height;
 
-        avpriv_slicethread_execute(c->slicethread, nb_jobs, 0);
-
-        for (int i = 0; i < c->nb_slice_ctx; i++) {
-            if (c->slice_err[i] < 0) {
-                ret = c->slice_err[i];
-                break;
-            }
-        }
-
-        memset(c->slice_err, 0, c->nb_slice_ctx * sizeof(*c->slice_err));
-
-        return ret;
+        return avpriv_slicethread_execute2(c->slicethread, nb_jobs, 0);
     }
 
     for (int i = 0; i < FF_ARRAY_ELEMS(dst); i++) {
@@ -1213,8 +1201,8 @@ int attribute_align_arg sws_scale(struct SwsContext *c,
                           dst, dstStride, 0, c->dstH);
 }
 
-void ff_sws_slice_worker(void *priv, int jobnr, int threadnr,
-                         int nb_jobs, int nb_threads)
+int ff_sws_slice_worker(void *priv, int jobnr, int threadnr,
+                        int nb_jobs, int nb_threads)
 {
     SwsContext *parent = priv;
     SwsContext      *c = parent->slice_ctx[threadnr];
@@ -1242,5 +1230,5 @@ void ff_sws_slice_worker(void *priv, int jobnr, int threadnr,
                              parent->dst_slice_start + slice_start, slice_end - slice_start);
     }
 
-    parent->slice_err[threadnr] = err;
+    return err;
 }
diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index abeebbb002..204bafb6f4 100644
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -306,7 +306,6 @@ typedef struct SwsContext {
 
     AVSliceThread      *slicethread;
     struct SwsContext **slice_ctx;
-    int                *slice_err;
     int              nb_slice_ctx;
 
     // values passed to current sws_receive_slice() call
@@ -1152,8 +1151,8 @@ void ff_init_vscale_pfn(SwsContext *c, yuv2planar1_fn yuv2plane1, yuv2planarX_fn
     yuv2interleavedX_fn yuv2nv12cX, yuv2packed1_fn yuv2packed1, yuv2packed2_fn yuv2packed2,
     yuv2packedX_fn yuv2packedX, yuv2anyX_fn yuv2anyX, int use_mmx);
 
-void ff_sws_slice_worker(void *priv, int jobnr, int threadnr,
-                         int nb_jobs, int nb_threads);
+int ff_sws_slice_worker(void *priv, int jobnr, int threadnr,
+                        int nb_jobs, int nb_threads);
 
 //number of extra lines to process
 #define MAX_LINES_AHEAD 4
diff --git a/libswscale/utils.c b/libswscale/utils.c
index 45baa22b23..8bfd3a64ac 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -1273,8 +1273,8 @@ static int context_init_threaded(SwsContext *c,
 {
     int ret;
 
-    ret = avpriv_slicethread_create(&c->slicethread, (void*)c,
-                                    ff_sws_slice_worker, NULL, c->nb_threads);
+    ret = avpriv_slicethread_create2(&c->slicethread, (void*)c,
+                                     ff_sws_slice_worker, NULL, c->nb_threads);
     if (ret == AVERROR(ENOSYS)) {
         c->nb_threads = 1;
         return 0;
@@ -1284,8 +1284,7 @@ static int context_init_threaded(SwsContext *c,
     c->nb_threads = ret;
 
     c->slice_ctx = av_calloc(c->nb_threads, sizeof(*c->slice_ctx));
-    c->slice_err = av_calloc(c->nb_threads, sizeof(*c->slice_err));
-    if (!c->slice_ctx || !c->slice_err)
+    if (!c->slice_ctx)
         return AVERROR(ENOMEM);
 
     for (int i = 0; i < c->nb_threads; i++) {
@@ -2421,7 +2420,6 @@ void sws_freeContext(SwsContext *c)
     for (i = 0; i < c->nb_slice_ctx; i++)
         sws_freeContext(c->slice_ctx[i]);
     av_freep(&c->slice_ctx);
-    av_freep(&c->slice_err);
 
     avpriv_slicethread_free(&c->slicethread);
 
diff --git a/libswscale/x86/output.asm b/libswscale/x86/output.asm
index 84e94baaf6..b468c0f264 100644
--- a/libswscale/x86/output.asm
+++ b/libswscale/x86/output.asm
@@ -580,7 +580,7 @@ yuv2nv12cX_fn yuv2nv21
 
 %if ARCH_X86_64
 struc SwsContext
-    .padding:           resb 40292 ; offsetof(SwsContext, yuv2rgb_y_offset)
+    .padding:           resb 40276 ; offsetof(SwsContext, yuv2rgb_y_offset)
     .yuv2rgb_y_offset:  resd 1
     .yuv2rgb_y_coeff:   resd 1
     .yuv2rgb_v2r_coeff: resd 1
diff --git a/libswscale/x86/swscale.c b/libswscale/x86/swscale.c
index ff16398988..9d1f539bba 100644
--- a/libswscale/x86/swscale.c
+++ b/libswscale/x86/swscale.c
@@ -748,7 +748,7 @@ switch(c->dstBpc){ \
 
         /* yuv2gbrp uses the SwsContext for yuv coefficients
            if struct offsets change the asm needs to be updated too */
-        av_assert0(offsetof(SwsContext, yuv2rgb_y_offset) == 40292);
+        av_assert0(offsetof(SwsContext, yuv2rgb_y_offset) == 40276);
 
 #define YUV2ANYX_FUNC_CASE(fmt, name, opt)              \
         case fmt:                                       \
diff --git a/tests/fate/screen.mak b/tests/fate/screen.mak
index bd6d228544..b572f67b55 100644
--- a/tests/fate/screen.mak
+++ b/tests/fate/screen.mak
@@ -5,6 +5,7 @@ fate-cscd: CMD = framecrc -i $(TARGET_SAMPLES)/CSCD/sample_video.avi -an -pix_fm
 FATE_SCREEN-$(call FRAMECRC, AVI, DXTORY) += fate-dxtory
 fate-dxtory: CMD = framecrc -i $(TARGET_SAMPLES)/dxtory/dxtory_mic.avi -an
 
+# fic sample is broken. some packets are truncated and one packet has length zero
 FATE_SCREEN-$(call FRAMECRC, AVI, FIC) += fate-fic-avi
 fate-fic-avi: CMD = framecrc -i $(TARGET_SAMPLES)/fic/fic-partial-2MB.avi -an
 
diff --git a/tests/ref/fate/fic-avi b/tests/ref/fate/fic-avi
index df55789d54..4546f230b1 100644
--- a/tests/ref/fate/fic-avi
+++ b/tests/ref/fate/fic-avi
@@ -76,19 +76,18 @@
 0,         70,         70,        1,  1566720, 0x40f7d39a
 0,         71,         71,        1,  1566720, 0x40f7d39a
 0,         72,         72,        1,  1566720, 0x40f7d39a
-0,         73,         73,        1,  1566720, 0xa7d6e25f
-0,         74,         74,        1,  1566720, 0xa7d6e25f
-0,         75,         75,        1,  1566720, 0xa7d6e25f
-0,         76,         76,        1,  1566720, 0xa7d6e25f
-0,         77,         77,        1,  1566720, 0xa7d6e25f
-0,         78,         78,        1,  1566720, 0xa7d6e25f
-0,         79,         79,        1,  1566720, 0xa7d6e25f
-0,         80,         80,        1,  1566720, 0xa7d6e25f
-0,         81,         81,        1,  1566720, 0xa7d6e25f
-0,         82,         82,        1,  1566720, 0xa7d6e25f
-0,         83,         83,        1,  1566720, 0xa7d6e25f
-0,         84,         84,        1,  1566720, 0xa7d6e25f
-0,         85,         85,        1,  1566720, 0xa7d6e25f
+0,         74,         74,        1,  1566720, 0x40f7d39a
+0,         75,         75,        1,  1566720, 0x40f7d39a
+0,         76,         76,        1,  1566720, 0x40f7d39a
+0,         77,         77,        1,  1566720, 0x40f7d39a
+0,         78,         78,        1,  1566720, 0x40f7d39a
+0,         79,         79,        1,  1566720, 0x40f7d39a
+0,         80,         80,        1,  1566720, 0x40f7d39a
+0,         81,         81,        1,  1566720, 0x40f7d39a
+0,         82,         82,        1,  1566720, 0x40f7d39a
+0,         83,         83,        1,  1566720, 0x40f7d39a
+0,         84,         84,        1,  1566720, 0x40f7d39a
+0,         85,         85,        1,  1566720, 0x40f7d39a
 0,         86,         86,        1,  1566720, 0xa7d6e25f
 0,         87,         87,        1,  1566720, 0xa7d6e25f
 0,         88,         88,        1,  1566720, 0xa7d6e25f
@@ -104,7 +103,6 @@
 0,         98,         98,        1,  1566720, 0xa7d6e25f
 0,         99,         99,        1,  1566720, 0xa7d6e25f
 0,        100,        100,        1,  1566720, 0xeaf8d207
-0,        101,        101,        1,  1566720, 0x6724983e
 0,        102,        102,        1,  1566720, 0x0e95d209
 0,        103,        103,        1,  1566720, 0x0e95d209
 0,        104,        104,        1,  1566720, 0x0e95d209
@@ -121,6 +119,4 @@
 0,        115,        115,        1,  1566720, 0xfe83b964
 0,        116,        116,        1,  1566720, 0xfe83b964
 0,        117,        117,        1,  1566720, 0xfe83b964
-0,        118,        118,        1,  1566720, 0x25dc30a6
-0,        119,        119,        1,  1566720, 0x25dc30a6
-0,        120,        120,        1,  1566720, 0x25dc30a6
+0,        119,        119,        1,  1566720, 0xfe83b964
-- 
2.30.2


[-- Attachment #3: Type: text/plain, Size: 251 bytes --]

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      reply	other threads:[~2022-09-26 14:44 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-26 13:46 Tomas Härdin
2022-09-26 13:50 ` Andreas Rheinhardt
2022-09-26 13:54   ` James Almer
2022-09-26 14:14     ` Tomas Härdin
2022-09-26 13:58 ` Andreas Rheinhardt
2022-09-26 14:01   ` Andreas Rheinhardt
2022-09-26 14:02   ` Tomas Härdin
2022-09-26 14:28     ` Andreas Rheinhardt
2022-09-26 14:44       ` Tomas Härdin [this message]

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