AudioEncoder::AudioEncoder(const string &codec_name, int bit_rate, const AVOutputFormat *oformat)
{
- AVCodec *codec = avcodec_find_encoder_by_name(codec_name.c_str());
+ const 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);
ctx->bit_rate = bit_rate;
ctx->sample_rate = OUTPUT_FREQUENCY;
ctx->sample_fmt = codec->sample_fmts[0];
- ctx->channels = 2;
- ctx->channel_layout = AV_CH_LAYOUT_STEREO;
+ ctx->ch_layout.order = AV_CHANNEL_ORDER_NATIVE;
+ ctx->ch_layout.nb_channels = 2;
+ ctx->ch_layout.u.mask = AV_CH_LAYOUT_STEREO;
ctx->time_base = AVRational{1, TIMEBASE};
if (oformat->flags & AVFMT_GLOBALHEADER) {
ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
}
if (avcodec_open2(ctx, codec, NULL) < 0) {
fprintf(stderr, "Could not open codec '%s'\n", codec_name.c_str());
- exit(1);
+ abort();
}
- 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) {
+ resampler = nullptr;
+ int ok = swr_alloc_set_opts2(&resampler,
+ /*out_ch_layout=*/&ctx->ch_layout,
+ /*out_sample_fmt=*/ctx->sample_fmt,
+ /*out_sample_rate=*/OUTPUT_FREQUENCY,
+ /*in_ch_layout=*/&ctx->ch_layout,
+ /*in_sample_fmt=*/AV_SAMPLE_FMT_FLT,
+ /*in_sample_rate=*/OUTPUT_FREQUENCY,
+ /*log_offset=*/0,
+ /*log_ctx=*/nullptr);
+ if (ok != 0) {
fprintf(stderr, "Allocating resampler failed.\n");
- exit(1);
+ abort();
}
if (swr_init(resampler) < 0) {
fprintf(stderr, "Could not open resample context.\n");
- exit(1);
+ abort();
}
audio_frame = av_frame_alloc();
{
audio_frame->pts = audio_pts;
audio_frame->nb_samples = num_samples;
- audio_frame->channel_layout = AV_CH_LAYOUT_STEREO;
+ audio_frame->ch_layout.order = AV_CHANNEL_ORDER_NATIVE;
+ audio_frame->ch_layout.nb_channels = 2;
+ audio_frame->ch_layout.u.mask = AV_CH_LAYOUT_STEREO;
audio_frame->format = ctx->sample_fmt;
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 (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.
break;
} else {
fprintf(stderr, "avcodec_receive_frame() failed with error %d\n", err);
- exit(1);
+ abort();
}
}
break;
} else {
fprintf(stderr, "avcodec_receive_frame() failed with error %d\n", err);
- exit(1);
+ abort();
}
}
}