X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=nageru%2Faudio_encoder.cpp;h=0f7f9aac8c957e3d686c87daa863719d102982d1;hb=1e71f1ad456d64082a1a56bbc79fe0216e5fb5e3;hp=f9faf42c349fdd926eb9f54263eb2f04d81240c7;hpb=131a051c4cd3719a9be415386fdf0f4e15da7c66;p=nageru

diff --git a/nageru/audio_encoder.cpp b/nageru/audio_encoder.cpp
index f9faf42..0f7f9aa 100644
--- a/nageru/audio_encoder.cpp
+++ b/nageru/audio_encoder.cpp
@@ -3,7 +3,7 @@
 extern "C" {
 #include <libavcodec/avcodec.h>
 #include <libavformat/avformat.h>
-#include <libavresample/avresample.h>
+#include <libswresample/swresample.h>
 #include <libavutil/channel_layout.h>
 #include <libavutil/error.h>
 #include <libavutil/frame.h>
@@ -32,7 +32,7 @@ AudioEncoder::AudioEncoder(const string &codec_name, int bit_rate, const AVOutpu
 	AVCodec *codec = avcodec_find_encoder_by_name(codec_name.c_str());
 	if (codec == nullptr) {
 		fprintf(stderr, "ERROR: Could not find codec '%s'\n", codec_name.c_str());
-		exit(1);
+		abort();
 	}
 
 	ctx = avcodec_alloc_context3(codec);
@@ -47,25 +47,26 @@ AudioEncoder::AudioEncoder(const string &codec_name, int bit_rate, const AVOutpu
 	}
 	if (avcodec_open2(ctx, codec, NULL) < 0) {
 		fprintf(stderr, "Could not open codec '%s'\n", codec_name.c_str());
-		exit(1);
+		abort();
 	}
 
-	resampler = avresample_alloc_context();
+	resampler = swr_alloc_set_opts(nullptr,
+	                               /*out_ch_layout=*/AV_CH_LAYOUT_STEREO,
+	                               /*out_sample_fmt=*/ctx->sample_fmt,
+	                               /*out_sample_rate=*/OUTPUT_FREQUENCY,
+	                               /*in_ch_layout=*/AV_CH_LAYOUT_STEREO,
+	                               /*in_sample_fmt=*/AV_SAMPLE_FMT_FLT,
+	                               /*in_sample_rate=*/OUTPUT_FREQUENCY,
+	                               /*log_offset=*/0,
+	                               /*log_ctx=*/nullptr);
 	if (resampler == nullptr) {
 		fprintf(stderr, "Allocating resampler failed.\n");
-		exit(1);
+		abort();
 	}
 
-	av_opt_set_int(resampler, "in_channel_layout",  AV_CH_LAYOUT_STEREO,       0);
-	av_opt_set_int(resampler, "out_channel_layout", AV_CH_LAYOUT_STEREO,       0);
-	av_opt_set_int(resampler, "in_sample_rate",     OUTPUT_FREQUENCY,          0);
-	av_opt_set_int(resampler, "out_sample_rate",    OUTPUT_FREQUENCY,          0);
-	av_opt_set_int(resampler, "in_sample_fmt",      AV_SAMPLE_FMT_FLT,         0);
-	av_opt_set_int(resampler, "out_sample_fmt",     ctx->sample_fmt, 0);
-
-	if (avresample_open(resampler) < 0) {
+	if (swr_init(resampler) < 0) {
 		fprintf(stderr, "Could not open resample context.\n");
-		exit(1);
+		abort();
 	}
 
 	audio_frame = av_frame_alloc();
@@ -74,7 +75,7 @@ AudioEncoder::AudioEncoder(const string &codec_name, int bit_rate, const AVOutpu
 AudioEncoder::~AudioEncoder()
 {
 	av_frame_free(&audio_frame);
-	avresample_free(&resampler);
+	swr_free(&resampler);
 	avcodec_free_context(&ctx);
 }
 
@@ -114,20 +115,19 @@ void AudioEncoder::encode_audio_one_frame(const float *audio, size_t num_samples
 	audio_frame->sample_rate = OUTPUT_FREQUENCY;
 
 	if (av_samples_alloc(audio_frame->data, nullptr, 2, num_samples, ctx->sample_fmt, 0) < 0) {
-		fprintf(stderr, "Could not allocate %ld samples.\n", num_samples);
-		exit(1);
+		fprintf(stderr, "Could not allocate %zu samples.\n", num_samples);
+		abort();
 	}
 
-	if (avresample_convert(resampler, audio_frame->data, 0, num_samples,
-	                       (uint8_t **)&audio, 0, num_samples) < 0) {
+	if (swr_convert(resampler, audio_frame->data, num_samples, reinterpret_cast<const uint8_t **>(&audio), num_samples) < 0) {
 		fprintf(stderr, "Audio conversion failed.\n");
-		exit(1);
+		abort();
 	}
 
 	int err = avcodec_send_frame(ctx, audio_frame);
 	if (err < 0) {
 		fprintf(stderr, "avcodec_send_frame() failed with error %d\n", err);
-		exit(1);
+		abort();
 	}
 
 	for ( ;; ) {  // Termination condition within loop.
@@ -147,7 +147,7 @@ void AudioEncoder::encode_audio_one_frame(const float *audio, size_t num_samples
 			break;
 		} else {
 			fprintf(stderr, "avcodec_receive_frame() failed with error %d\n", err);
-			exit(1);
+			abort();
 		}
 	}
 
@@ -183,7 +183,7 @@ void AudioEncoder::encode_last_audio()
 				break;
 			} else {
 				fprintf(stderr, "avcodec_receive_frame() failed with error %d\n", err);
-				exit(1);
+				abort();
 			}
 		}
 	}