From 0e66741aee56c24f7b65fdf5be7e426e59218876 Mon Sep 17 00:00:00 2001
From: "yu.dongliang" <18588496441@163.com>
Date: Fri, 14 Apr 2023 20:55:21 +0800
Subject: [PATCH] tmp

---
 Makefile           |  2 +-
 main.c             | 22 ++++++++++++++++++----
 simp.c             |  2 ++
 simp.h             |  1 +
 simp_ffmpeg_alsa.c |  8 +++++++-
 5 files changed, 29 insertions(+), 6 deletions(-)

diff --git a/Makefile b/Makefile
index b7c4948..37b2e30 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@ CFLAGS += -g -O3
 CFLAGS += -I./
 CFLAGS += `pkg-config --cflags gtk+-3.0`
 
-LDFLAGS += -lavformat -lavcodec -lavfilter -lavutil
+LDFLAGS += -lavdevice -lavformat -lavcodec -lavfilter -lavutil
 LDFLAGS += -lGL
 LDFLAGS += `pkg-config --libs gtk+-3.0`
 
diff --git a/main.c b/main.c
index 4dac9f1..7fb7d73 100644
--- a/main.c
+++ b/main.c
@@ -12,9 +12,12 @@ int main(int argc, char* argv[])
 		return -1;
 	}
 
-	simp_filter_t* f   = NULL;
-	simp_avio_t*   in  = NULL;
-	simp_avio_t*   out = NULL;
+	avdevice_register_all();
+
+	simp_filter_t* f    = NULL;
+	simp_avio_t*   in   = NULL;
+	simp_avio_t*   out  = NULL;
+	simp_avio_t*   alsa = NULL;
 
 	if (simp_avio_open(&in, "ffmpeg_input", argv[1], NULL) < 0) {
 		scf_loge("\n");
@@ -26,6 +29,11 @@ int main(int argc, char* argv[])
 		return -1;
 	}
 
+	if (simp_avio_open(&alsa, "ffmpeg_alsa", NULL, "hw:0") < 0) {
+		scf_loge("\n");
+		return -1;
+	}
+
 	if (simp_filter_open(&f) < 0) {
 		scf_loge("\n");
 		return -1;
@@ -33,8 +41,9 @@ int main(int argc, char* argv[])
 
 	simp_filter_add_input (f, in);
 	simp_filter_add_output(f, out);
+	simp_filter_add_output(f, alsa);
 
-	f->speed.num = 200;
+	f->speed.num = 1;
 	f->speed.den = 1;
 
 	if (simp_filter_run(f) < 0) {
@@ -42,6 +51,11 @@ int main(int argc, char* argv[])
 		return -1;
 	}
 
+	if (simp_avio_run(alsa) < 0) {
+		scf_loge("\n");
+		return -1;
+	}
+
 	if (simp_avio_run(out) < 0) {
 		scf_loge("\n");
 		return -1;
diff --git a/simp.c b/simp.c
index 2b8acda..5fa4a6d 100644
--- a/simp.c
+++ b/simp.c
@@ -2,11 +2,13 @@
 
 extern simp_avio_ops_t   simp_avio_ffmpeg_input;
 extern simp_avio_ops_t   simp_avio_ffmpeg_output;
+extern simp_avio_ops_t   simp_avio_ffmpeg_alsa;
 
 static simp_avio_ops_t*  avio_array[] =
 {
 	&simp_avio_ffmpeg_input,
 	&simp_avio_ffmpeg_output,
+	&simp_avio_ffmpeg_alsa,
 	NULL,
 };
 
diff --git a/simp.h b/simp.h
index 3cab8e7..cf706c6 100644
--- a/simp.h
+++ b/simp.h
@@ -6,6 +6,7 @@
 
 #include "libavformat/avformat.h"
 #include "libavcodec/avcodec.h"
+#include "libavdevice/avdevice.h"
 #include "libavutil/avutil.h"
 #include "libavutil/opt.h"
 #include "libavfilter/avfilter.h"
diff --git a/simp_ffmpeg_alsa.c b/simp_ffmpeg_alsa.c
index eb51552..91bca41 100644
--- a/simp_ffmpeg_alsa.c
+++ b/simp_ffmpeg_alsa.c
@@ -70,9 +70,13 @@ static int _audio_output_init(simp_audio_t* priv, const char* path)
 	AVStream*       s   = NULL;
 	AVCodec*        c;
 
+	scf_loge("out: %p\n", out);
+
 	avformat_alloc_output_context2(&priv->ctx_out, out, NULL, path);
-	if (!priv->ctx_out)
+	if (!priv->ctx_out) {
+		scf_loge("\n");
 		return -ENOMEM;
+	}
 
 	c = avcodec_find_encoder(priv->codec_in->codec_id);
 	if (!c)
@@ -185,12 +189,14 @@ static int _ffmpeg_alsa_open(simp_avio_t* io, const char* in, const char* out)
 	priv->idx_out = -1;
 
 	if (in) {
+		scf_loge("in: %s\n", in);
 		ret = _audio_input_init(priv, in);
 		if (ret < 0)
 			goto error;
 	}
 
 	if (out) {
+		scf_loge("out: %s\n", out);
 		ret = _audio_output_init(priv, out);
 		if (ret < 0)
 			goto error;
-- 
2.25.1