diff mbox series

[FFmpeg-devel,16/18] avradio/sdr: rename fft_p2

Message ID 20230708212530.109692-16-michael@niedermayer.cc
State New
Headers show
Series [FFmpeg-devel,01/18] avradio/sdrdemux: Fix uninitialized access | expand

Checks

Context Check Description
yinshiyou/configure_loongarch64 warning Failed to apply patch
andriy/configure_x86 warning Failed to apply patch

Commit Message

Michael Niedermayer July 8, 2023, 9:25 p.m. UTC 
The FFT really is from the point of view of the stream Phase 1 not
Phase 2 of the demodulation.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavradio/sdr.h      | 4 ++--
 libavradio/sdrdemux.c | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/libavradio/sdr.h b/libavradio/sdr.h
index 8a2ab1c78a..1582f70d86 100644
--- a/libavradio/sdr.h
+++ b/libavradio/sdr.h
@@ -95,10 +95,10 @@  typedef struct FIFOElement {
 
 typedef struct SDRStream {
     AVTXContext *ifft_ctx;
-    AVTXContext *fft_p2_ctx;
+    AVTXContext *fft_ctx;
     AVTXContext *ifft_p2_ctx;
     av_tx_fn ifft;
-    av_tx_fn fft_p2;
+    av_tx_fn fft;
     av_tx_fn ifft_p2;
     int block_size;
     int block_size_p2;
diff --git a/libavradio/sdrdemux.c b/libavradio/sdrdemux.c
index b51fa4296a..1ded01e957 100644
--- a/libavradio/sdrdemux.c
+++ b/libavradio/sdrdemux.c
@@ -979,7 +979,7 @@  static int demodulate_fm(SDRContext *sdr, int stream_index, AVPacket *pkt)
     //FIXME this only needs to be a RDFT
     //CONSIDER, this and in fact alot can be done with bandpass and lowpass filters instead of FFTs, find out which is better
     //CONSIDER synthesizing the carrier instead of IFFT, we have all parameters for that
-    sst->fft_p2(sst->fft_p2_ctx, sst->block, sst->iblock, sizeof(AVComplexFloat));
+    sst->fft(sst->fft_ctx, sst->block, sst->iblock, sizeof(AVComplexFloat));
     // Only the low N/2+1 are used the upper is just a reflection
 
     carrier19_i_exact = find_am_carrier(sdr, sst->block, 2*sst->block_size, (void*)(sst->block + 1 + sst->block_size), carrier19_i, 10, 10);
@@ -1078,10 +1078,10 @@  static void free_stream(SDRContext *sdr, int stream_index)
     SDRStream *sst = st->priv_data;
 
     av_tx_uninit(&sst->ifft_ctx);
-    av_tx_uninit(&sst->fft_p2_ctx);
+    av_tx_uninit(&sst->fft_ctx);
     av_tx_uninit(&sst->ifft_p2_ctx);
     sst->ifft = NULL;
-    sst->fft_p2 = NULL;
+    sst->fft  = NULL;
     sst->ifft_p2 = NULL;
     sst->block_size = 0;
 
@@ -1127,7 +1127,7 @@  static int setup_stream(SDRContext *sdr, int stream_index, Station *station)
 
         if (sst->station->bandwidth_p2) {
             //Allocate 2nd stage demodulation fields if needed
-            ret = av_tx_init(&sst-> fft_p2_ctx, &sst-> fft_p2, AV_TX_FLOAT_FFT, 0, 2*sst->block_size   , NULL, 0);
+            ret = av_tx_init(&sst-> fft_ctx, &sst-> fft, AV_TX_FLOAT_FFT, 0, 2*sst->block_size   , NULL, 0);
             if (ret < 0)
                 return ret;