From 57d75ca031943c0b4858bcd2a0f1812df0d502b0 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Wed, 3 Aug 2022 14:30:48 +0200
Subject: fftools/ffmpeg: move get_input_packet() to ffmpeg_demux.c

Also rename it to use the ifile_* namespace.
---
 fftools/ffmpeg.c       | 30 ++----------------------------
 fftools/ffmpeg.h       |  1 +
 fftools/ffmpeg_demux.c | 26 ++++++++++++++++++++++++++
 3 files changed, 29 insertions(+), 28 deletions(-)

diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
index b9cafb3c36..4ce31d8440 100644
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -3610,32 +3610,6 @@ static int check_keyboard_interaction(int64_t cur_time)
     return 0;
 }
 
-static int get_input_packet(InputFile *f, AVPacket **pkt)
-{
-    if (f->readrate || f->rate_emu) {
-        int i;
-        int64_t file_start = copy_ts * (
-                              (f->ctx->start_time != AV_NOPTS_VALUE ? f->ctx->start_time * !start_at_zero : 0) +
-                              (f->start_time != AV_NOPTS_VALUE ? f->start_time : 0)
-                             );
-        float scale = f->rate_emu ? 1.0 : f->readrate;
-        for (i = 0; i < f->nb_streams; i++) {
-            InputStream *ist = input_streams[f->ist_index + i];
-            int64_t stream_ts_offset, pts, now;
-            if (!ist->nb_packets || (ist->decoding_needed && !ist->got_output)) continue;
-            stream_ts_offset = FFMAX(ist->first_dts != AV_NOPTS_VALUE ? ist->first_dts : 0, file_start);
-            pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
-            now = (av_gettime_relative() - ist->start) * scale + stream_ts_offset;
-            if (pts > now)
-                return AVERROR(EAGAIN);
-        }
-    }
-
-    return av_thread_message_queue_recv(f->in_thread_queue, pkt,
-                                        f->non_blocking ?
-                                        AV_THREAD_MESSAGE_NONBLOCK : 0);
-}
-
 static int got_eagain(void)
 {
     int i;
@@ -3752,7 +3726,7 @@ static int process_input(int file_index)
     int disable_discontinuity_correction = copy_ts;
 
     is  = ifile->ctx;
-    ret = get_input_packet(ifile, &pkt);
+    ret = ifile_get_packet(ifile, &pkt);
 
     if (ret == AVERROR(EAGAIN)) {
         ifile->eagain = 1;
@@ -3777,7 +3751,7 @@ static int process_input(int file_index)
         if (ret < 0)
             av_log(NULL, AV_LOG_WARNING, "Seek to start failed.\n");
         else
-            ret = get_input_packet(ifile, &pkt);
+            ret = ifile_get_packet(ifile, &pkt);
         if (ret == AVERROR(EAGAIN)) {
             ifile->eagain = 1;
             return ret;
diff --git a/fftools/ffmpeg.h b/fftools/ffmpeg.h
index 81356fd566..f983d077d9 100644
--- a/fftools/ffmpeg.h
+++ b/fftools/ffmpeg.h
@@ -710,6 +710,7 @@ int64_t of_filesize(OutputFile *of);
 AVChapter * const *
 of_get_chapters(OutputFile *of, unsigned int *nb_chapters);
 
+int ifile_get_packet(InputFile *f, AVPacket **pkt);
 int init_input_threads(void);
 int init_input_thread(int i);
 void free_input_threads(void);
diff --git a/fftools/ffmpeg_demux.c b/fftools/ffmpeg_demux.c
index 2d49a3c48c..182364dae5 100644
--- a/fftools/ffmpeg_demux.c
+++ b/fftools/ffmpeg_demux.c
@@ -163,3 +163,29 @@ int init_input_threads(void)
     }
     return 0;
 }
+
+int ifile_get_packet(InputFile *f, AVPacket **pkt)
+{
+    if (f->readrate || f->rate_emu) {
+        int i;
+        int64_t file_start = copy_ts * (
+                              (f->ctx->start_time != AV_NOPTS_VALUE ? f->ctx->start_time * !start_at_zero : 0) +
+                              (f->start_time != AV_NOPTS_VALUE ? f->start_time : 0)
+                             );
+        float scale = f->rate_emu ? 1.0 : f->readrate;
+        for (i = 0; i < f->nb_streams; i++) {
+            InputStream *ist = input_streams[f->ist_index + i];
+            int64_t stream_ts_offset, pts, now;
+            if (!ist->nb_packets || (ist->decoding_needed && !ist->got_output)) continue;
+            stream_ts_offset = FFMAX(ist->first_dts != AV_NOPTS_VALUE ? ist->first_dts : 0, file_start);
+            pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
+            now = (av_gettime_relative() - ist->start) * scale + stream_ts_offset;
+            if (pts > now)
+                return AVERROR(EAGAIN);
+        }
+    }
+
+    return av_thread_message_queue_recv(f->in_thread_queue, pkt,
+                                        f->non_blocking ?
+                                        AV_THREAD_MESSAGE_NONBLOCK : 0);
+}
-- 
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