From 987763ac35d3db8beb77e7c5e8426e1b265b2f95 Mon Sep 17 00:00:00 2001
From: James Almer <jamrial@gmail.com>
Date: Thu, 2 Sep 2021 21:04:30 -0300
Subject: ffmpeg: convert to new channel layout-API

Signed-off-by: James Almer <jamrial@gmail.com>
---
 fftools/ffmpeg_filter.c | 52 ++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 38 insertions(+), 14 deletions(-)

(limited to 'fftools/ffmpeg_filter.c')

diff --git a/fftools/ffmpeg_filter.c b/fftools/ffmpeg_filter.c
index b80d7189db..0845c631a5 100644
--- a/fftools/ffmpeg_filter.c
+++ b/fftools/ffmpeg_filter.c
@@ -153,8 +153,25 @@ DEF_CHOOSE_FORMAT(sample_fmts, enum AVSampleFormat, format, formats,
 DEF_CHOOSE_FORMAT(sample_rates, int, sample_rate, sample_rates, 0,
                   "%d", )
 
-DEF_CHOOSE_FORMAT(channel_layouts, uint64_t, channel_layout, channel_layouts, 0,
-                  "0x%"PRIx64, )
+static void choose_channel_layouts(OutputFilter *ofilter, AVBPrint *bprint)
+{
+    if (av_channel_layout_check(&ofilter->ch_layout)) {
+        av_bprintf(bprint, "channel_layouts=");
+        av_channel_layout_describe_bprint(&ofilter->ch_layout, bprint);
+    } else if (ofilter->ch_layouts) {
+        const AVChannelLayout *p;
+
+        av_bprintf(bprint, "channel_layouts=");
+        for (p = ofilter->ch_layouts; p->nb_channels; p++) {
+            av_channel_layout_describe_bprint(p, bprint);
+            av_bprintf(bprint, "|");
+        }
+        if (bprint->len > 0)
+            bprint->str[--bprint->len] = '\0';
+    } else
+        return;
+    av_bprint_chars(bprint, ':', 1);
+}
 
 int init_simple_filtergraph(InputStream *ist, OutputStream *ost)
 {
@@ -542,9 +559,10 @@ static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter,
 } while (0)
     av_bprint_init(&args, 0, AV_BPRINT_SIZE_UNLIMITED);
     if (ost->audio_channels_mapped) {
+        AVChannelLayout mapped_layout = { 0 };
         int i;
-        av_bprintf(&args, "0x%"PRIx64,
-                   av_get_default_channel_layout(ost->audio_channels_mapped));
+        av_channel_layout_default(&mapped_layout, ost->audio_channels_mapped);
+        av_channel_layout_describe_bprint(&mapped_layout, &args);
         for (i = 0; i < ost->audio_channels_mapped; i++)
             if (ost->audio_channels_map[i] != -1)
                 av_bprintf(&args, "|c%d=c%d", i, ost->audio_channels_map[i]);
@@ -553,8 +571,8 @@ static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter,
         av_bprint_clear(&args);
     }
 
-    if (codec->channels && !codec->channel_layout)
-        codec->channel_layout = av_get_default_channel_layout(codec->channels);
+    if (codec->ch_layout.order == AV_CHANNEL_ORDER_UNSPEC)
+        av_channel_layout_default(&codec->ch_layout, codec->ch_layout.nb_channels);
 
     choose_sample_fmts(ofilter,     &args);
     choose_sample_rates(ofilter,    &args);
@@ -833,11 +851,12 @@ static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter,
              1, ifilter->sample_rate,
              ifilter->sample_rate,
              av_get_sample_fmt_name(ifilter->format));
-    if (ifilter->channel_layout)
-        av_bprintf(&args, ":channel_layout=0x%"PRIx64,
-                   ifilter->channel_layout);
-    else
-        av_bprintf(&args, ":channels=%d", ifilter->channels);
+    if (av_channel_layout_check(&ifilter->ch_layout) &&
+        ifilter->ch_layout.order != AV_CHANNEL_ORDER_UNSPEC) {
+        av_bprintf(&args, ":channel_layout=");
+        av_channel_layout_describe_bprint(&ifilter->ch_layout, &args);
+    } else
+        av_bprintf(&args, ":channels=%d", ifilter->ch_layout.nb_channels);
     snprintf(name, sizeof(name), "graph_%d_in_%d_%d", fg->index,
              ist->file_index, ist->st->index);
 
@@ -1085,7 +1104,10 @@ int configure_filtergraph(FilterGraph *fg)
         ofilter->height = av_buffersink_get_h(sink);
 
         ofilter->sample_rate    = av_buffersink_get_sample_rate(sink);
-        ofilter->channel_layout = av_buffersink_get_channel_layout(sink);
+        av_channel_layout_uninit(&ofilter->ch_layout);
+        ret = av_buffersink_get_ch_layout(sink, &ofilter->ch_layout);
+        if (ret < 0)
+            goto fail;
     }
 
     fg->reconfiguration = 1;
@@ -1147,6 +1169,7 @@ fail:
 int ifilter_parameters_from_frame(InputFilter *ifilter, const AVFrame *frame)
 {
     AVFrameSideData *sd;
+    int ret;
 
     av_buffer_unref(&ifilter->hw_frames_ctx);
 
@@ -1157,8 +1180,9 @@ int ifilter_parameters_from_frame(InputFilter *ifilter, const AVFrame *frame)
     ifilter->sample_aspect_ratio = frame->sample_aspect_ratio;
 
     ifilter->sample_rate         = frame->sample_rate;
-    ifilter->channels            = frame->channels;
-    ifilter->channel_layout      = frame->channel_layout;
+    ret = av_channel_layout_copy(&ifilter->ch_layout, &frame->ch_layout);
+    if (ret < 0)
+        return ret;
 
     av_freep(&ifilter->displaymatrix);
     sd = av_frame_get_side_data(frame, AV_FRAME_DATA_DISPLAYMATRIX);
-- 
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