From 0d01e61807b3da3113aa29bf79c4769988f1f41c Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Wed, 13 Dec 2023 19:33:27 +0100
Subject: [PATCH] fftools/ffmpeg_mux: move OutputStream.sq_idx_mux to private
 data

It should not be accessed outside of ffmpeg_mux*
---
 fftools/ffmpeg.h          |  2 --
 fftools/ffmpeg_mux.c      | 12 ++++++------
 fftools/ffmpeg_mux.h      |  2 ++
 fftools/ffmpeg_mux_init.c | 12 ++++++------
 4 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/fftools/ffmpeg.h b/fftools/ffmpeg.h
index c992396316..9d4be4f4ff 100644
--- a/fftools/ffmpeg.h
+++ b/fftools/ffmpeg.h
@@ -591,8 +591,6 @@ typedef struct OutputStream {
     /* packet quality factor */
     atomic_int quality;
 
-    int sq_idx_mux;
-
     EncStats enc_stats_pre;
     EncStats enc_stats_post;
 
diff --git a/fftools/ffmpeg_mux.c b/fftools/ffmpeg_mux.c
index c7d5530cba..09e4056371 100644
--- a/fftools/ffmpeg_mux.c
+++ b/fftools/ffmpeg_mux.c
@@ -236,12 +236,12 @@ fail:
     return ret;
 }
 
-static int sync_queue_process(Muxer *mux, OutputStream *ost, AVPacket *pkt, int *stream_eof)
+static int sync_queue_process(Muxer *mux, MuxStream *ms, AVPacket *pkt, int *stream_eof)
 {
     OutputFile *of = &mux->of;
 
-    if (ost->sq_idx_mux >= 0) {
-        int ret = sq_send(mux->sq_mux, ost->sq_idx_mux, SQPKT(pkt));
+    if (ms->sq_idx_mux >= 0) {
+        int ret = sq_send(mux->sq_mux, ms->sq_idx_mux, SQPKT(pkt));
         if (ret < 0) {
             if (ret == AVERROR_EOF)
                 *stream_eof = 1;
@@ -266,7 +266,7 @@ static int sync_queue_process(Muxer *mux, OutputStream *ost, AVPacket *pkt, int
                 return ret;
         }
     } else if (pkt)
-        return write_packet(mux, ost, pkt);
+        return write_packet(mux, &ms->ost, pkt);
 
     return 0;
 }
@@ -336,14 +336,14 @@ static int mux_packet_filter(Muxer *mux, MuxThreadContext *mt,
             if (!bsf_eof)
                 ms->bsf_pkt->time_base = ms->bsf_ctx->time_base_out;
 
-            ret = sync_queue_process(mux, ost, bsf_eof ? NULL : ms->bsf_pkt, stream_eof);
+            ret = sync_queue_process(mux, ms, bsf_eof ? NULL : ms->bsf_pkt, stream_eof);
             if (ret < 0)
                 goto mux_fail;
         }
         *stream_eof = 1;
         return AVERROR_EOF;
     } else {
-        ret = sync_queue_process(mux, ost, pkt, stream_eof);
+        ret = sync_queue_process(mux, ms, pkt, stream_eof);
         if (ret < 0)
             goto mux_fail;
     }
diff --git a/fftools/ffmpeg_mux.h b/fftools/ffmpeg_mux.h
index 5d7cf3fa76..d0be8a51ea 100644
--- a/fftools/ffmpeg_mux.h
+++ b/fftools/ffmpeg_mux.h
@@ -50,6 +50,8 @@ typedef struct MuxStream {
     int sch_idx_enc;
     int sch_idx_src;
 
+    int sq_idx_mux;
+
     int64_t max_frames;
 
     // timestamp from which the streamcopied streams should start,
diff --git a/fftools/ffmpeg_mux_init.c b/fftools/ffmpeg_mux_init.c
index 455876d456..f527a083db 100644
--- a/fftools/ffmpeg_mux_init.c
+++ b/fftools/ffmpeg_mux_init.c
@@ -1923,7 +1923,7 @@ static int setup_sync_queues(Muxer *mux, AVFormatContext *oc, int64_t buf_size_u
         MuxStream     *ms = ms_from_ost(ost);
         enum AVMediaType type = ost->type;
 
-        ost->sq_idx_mux    = -1;
+        ms->sq_idx_mux  = -1;
 
         nb_interleaved += IS_INTERLEAVED(type);
         nb_av_enc      += IS_AV_ENC(ost, type);
@@ -1992,13 +1992,13 @@ static int setup_sync_queues(Muxer *mux, AVFormatContext *oc, int64_t buf_size_u
             if (!IS_INTERLEAVED(type))
                 continue;
 
-            ost->sq_idx_mux = sq_add_stream(mux->sq_mux,
-                                            of->shortest || ms->max_frames < INT64_MAX);
-            if (ost->sq_idx_mux < 0)
-                return ost->sq_idx_mux;
+            ms->sq_idx_mux = sq_add_stream(mux->sq_mux,
+                                           of->shortest || ms->max_frames < INT64_MAX);
+            if (ms->sq_idx_mux < 0)
+                return ms->sq_idx_mux;
 
             if (ms->max_frames != INT64_MAX)
-                sq_limit_frames(mux->sq_mux, ost->sq_idx_mux, ms->max_frames);
+                sq_limit_frames(mux->sq_mux, ms->sq_idx_mux, ms->max_frames);
         }
     }