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@ -28,7 +28,8 @@ extern "C" { |
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#define SLEEP_TIME 1000 * 16 |
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#define MAX_AUDIO_FRAME_SIZE 48000 * 4 |
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//const char *filter_descr = "superequalizer=6b=4:8b=5:10b=5";
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int filter_again = 0; |
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const char *filter_desc = "superequalizer=6b=4:8b=5:10b=5"; |
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int init_volume_filter(AVFilterGraph **graph, AVFilterContext **src, AVFilterContext **sink, |
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uint64_t channel_layout, AVSampleFormat inputFormat, int sample_rate) { |
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@ -204,7 +205,7 @@ AUDIO_PLAYER_FUNC(void, play, jstring input_jstr, jstring filter_jstr) { |
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const char *input_cstr = env->GetStringUTFChars(input_jstr, NULL); |
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LOGI(TAG, "input url=%s", input_cstr); |
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const char *filter_desc = env->GetStringUTFChars(filter_jstr, NULL); |
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filter_desc = env->GetStringUTFChars(filter_jstr, NULL); |
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LOGE(TAG, "filter_desc=%s", filter_desc); |
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av_register_all(); |
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AVFormatContext *pFormatCtx = avformat_alloc_context(); |
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@ -280,42 +281,53 @@ AUDIO_PLAYER_FUNC(void, play, jstring input_jstr, jstring filter_jstr) { |
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//read audio frame
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while (av_read_frame(pFormatCtx, packet) >= 0) { |
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if (packet->stream_index == audio_stream_idx) { |
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ret = avcodec_decode_audio4(codecCtx, frame, &got_frame, packet); |
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if (packet->stream_index != audio_stream_idx) { |
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av_packet_unref(packet); |
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continue; |
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} |
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if (filter_again) { |
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filter_again = 0; |
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avfilter_graph_free(&audioFilterGraph); |
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if (init_equalizer_filter(filter_desc, codecCtx, &audioFilterGraph, &audioSrcContext, &audioSinkContext) < 0) { |
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LOGE(TAG, "init_filter error, ret=%d\n", ret); |
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goto end; |
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} |
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LOGE(TAG, "play again,filter_descr=_=%s", filter_desc); |
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} |
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ret = avcodec_decode_audio4(codecCtx, frame, &got_frame, packet); |
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if (ret < 0) { |
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break; |
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} |
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if (got_frame > 0) { |
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ret = av_buffersrc_add_frame(audioSrcContext, frame); |
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if (ret < 0) { |
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break; |
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LOGE(TAG, "Error add the frame to the filter graph:%d", ret); |
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} |
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if (got_frame > 0) { |
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ret = av_buffersrc_add_frame(audioSrcContext, frame); |
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/* Get all the filtered output that is available. */ |
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while (1) { |
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ret = av_buffersink_get_frame(audioSinkContext, filter_frame); |
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if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) |
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break; |
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if (ret < 0) { |
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LOGE(TAG, "Error add the frame to the filter graph:%d", ret); |
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LOGE(TAG, "Error get the frame from the filter graph:%d", ret); |
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goto end; |
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} |
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/* Get all the filtered output that is available. */ |
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while (1) { |
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ret = av_buffersink_get_frame(audioSinkContext, filter_frame); |
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if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) |
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break; |
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if (ret < 0) { |
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LOGE(TAG, "Error get the frame from the filter graph:%d", ret); |
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goto end; |
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} |
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//convert audio format
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swr_convert(swrCtx, &out_buffer, MAX_AUDIO_FRAME_SIZE, |
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(const uint8_t **) /*frame*/filter_frame->data, /*frame*/filter_frame->nb_samples); |
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int out_buffer_size = av_samples_get_buffer_size(NULL, out_channel, |
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/*frame*/filter_frame->nb_samples, out_sample_fmt, 1); |
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//convert audio format
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swr_convert(swrCtx, &out_buffer, MAX_AUDIO_FRAME_SIZE, |
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(const uint8_t **) /*frame*/filter_frame->data, /*frame*/filter_frame->nb_samples); |
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int out_buffer_size = av_samples_get_buffer_size(NULL, out_channel, |
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/*frame*/filter_frame->nb_samples, out_sample_fmt, 1); |
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jbyteArray audio_sample_array = env->NewByteArray(out_buffer_size); |
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jbyte *sample_byte_array = env->GetByteArrayElements(audio_sample_array, NULL); |
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memcpy(sample_byte_array, out_buffer, (size_t) out_buffer_size); |
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env->ReleaseByteArrayElements(audio_sample_array, sample_byte_array, 0); |
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//call write method to play
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env->CallIntMethod(audio_track, audio_track_write_mid, |
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audio_sample_array, 0, out_buffer_size); |
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env->DeleteLocalRef(audio_sample_array); |
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av_frame_unref(filter_frame); |
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usleep(SLEEP_TIME); |
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} |
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jbyteArray audio_sample_array = env->NewByteArray(out_buffer_size); |
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jbyte *sample_byte_array = env->GetByteArrayElements(audio_sample_array, NULL); |
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memcpy(sample_byte_array, out_buffer, (size_t) out_buffer_size); |
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env->ReleaseByteArrayElements(audio_sample_array, sample_byte_array, 0); |
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//call write method to play
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env->CallIntMethod(audio_track, audio_track_write_mid, |
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audio_sample_array, 0, out_buffer_size); |
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env->DeleteLocalRef(audio_sample_array); |
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av_frame_unref(filter_frame); |
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usleep(SLEEP_TIME); |
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} |
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} |
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av_packet_unref(packet); |
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@ -331,4 +343,10 @@ end: |
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avformat_close_input(&pFormatCtx); |
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env->ReleaseStringUTFChars(input_jstr, input_cstr); |
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env->ReleaseStringUTFChars(filter_jstr, filter_desc); |
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} |
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AUDIO_PLAYER_FUNC(void, again, jstring filter_jstr) { |
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if (!filter_jstr) return; |
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filter_again = 1; |
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filter_desc = env->GetStringUTFChars(filter_jstr, NULL); |
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} |