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Rename FfmpegDecoder to FfmpegAudioDecoder

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It looks like the video path will use a separate FfmpegVideoDecoder

Issue: #2159
PiperOrigin-RevId: 303068617
This commit is contained in:
olly 2020-03-26 09:16:14 +00:00 committed by Oliver Woodman
parent dd54259d47
commit b314da5f02
3 changed files with 33 additions and 34 deletions
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10
extensions/ffmpeg/src/main/java/com/google/android/exoplayer2/ext/ffmpeg/FfmpegDecoder.java → extensions/ffmpeg/src/main/java/com/google/android/exoplayer2/ext/ffmpeg/FfmpegAudioDecoder.java
View File

@ -28,11 +28,9 @@ import com.google.android.exoplayer2.util.Util;
import java.nio.ByteBuffer;
import java.util.List;
/**
* FFmpeg audio decoder.
*/
/* package */ final class FfmpegDecoder extends
SimpleDecoder<DecoderInputBuffer, SimpleOutputBuffer, FfmpegDecoderException> {
/** FFmpeg audio decoder. */
/* package */ final class FfmpegAudioDecoder
extends SimpleDecoder<DecoderInputBuffer, SimpleOutputBuffer, FfmpegDecoderException> {
// Output buffer sizes when decoding PCM mu-law streams, which is the maximum FFmpeg outputs.
private static final int OUTPUT_BUFFER_SIZE_16BIT = 65536;
@ -52,7 +50,7 @@ import java.util.List;
private volatile int channelCount;
private volatile int sampleRate;
public FfmpegDecoder(
public FfmpegAudioDecoder(
int numInputBuffers,
int numOutputBuffers,
int initialInputBufferSize,

6
extensions/ffmpeg/src/main/java/com/google/android/exoplayer2/ext/ffmpeg/FfmpegAudioRenderer.java
View File

@ -41,7 +41,7 @@ public final class FfmpegAudioRenderer extends DecoderAudioRenderer {
private final boolean enableFloatOutput;
private @MonotonicNonNull FfmpegDecoder decoder;
private @MonotonicNonNull FfmpegAudioDecoder decoder;
public FfmpegAudioRenderer() {
this(/* eventHandler= */ null, /* eventListener= */ null);
@ -117,12 +117,12 @@ public final class FfmpegAudioRenderer extends DecoderAudioRenderer {
}
@Override
protected FfmpegDecoder createDecoder(Format format, @Nullable ExoMediaCrypto mediaCrypto)
protected FfmpegAudioDecoder createDecoder(Format format, @Nullable ExoMediaCrypto mediaCrypto)
throws FfmpegDecoderException {
int initialInputBufferSize =
format.maxInputSize != Format.NO_VALUE ? format.maxInputSize : DEFAULT_INPUT_BUFFER_SIZE;
decoder =
new FfmpegDecoder(
new FfmpegAudioDecoder(
NUM_BUFFERS, NUM_BUFFERS, initialInputBufferSize, format, shouldUseFloatOutput(format));
return decoder;
}

51
extensions/ffmpeg/src/main/jni/ffmpeg_jni.cc
View File

@ -36,25 +36,25 @@ extern "C" {
#define LOGE(...) ((void)__android_log_print(ANDROID_LOG_ERROR, LOG_TAG, \
__VA_ARGS__))
#define DECODER_FUNC(RETURN_TYPE, NAME, ...) \
extern "C" { \
JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegDecoder_ ## NAME \
(JNIEnv* env, jobject thiz, ##__VA_ARGS__);\
} \
JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegDecoder_ ## NAME \
(JNIEnv* env, jobject thiz, ##__VA_ARGS__)\
#define AUDIO_DECODER_FUNC(RETURN_TYPE, NAME, ...) \
extern "C" { \
JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegAudioDecoder_##NAME( \
JNIEnv *env, jobject thiz, ##__VA_ARGS__); \
} \
JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegAudioDecoder_##NAME( \
JNIEnv *env, jobject thiz, ##__VA_ARGS__)
#define LIBRARY_FUNC(RETURN_TYPE, NAME, ...) \
extern "C" { \
JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegLibrary_ ## NAME \
(JNIEnv* env, jobject thiz, ##__VA_ARGS__);\
} \
JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegLibrary_ ## NAME \
(JNIEnv* env, jobject thiz, ##__VA_ARGS__)\
#define LIBRARY_FUNC(RETURN_TYPE, NAME, ...) \
extern "C" { \
JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegLibrary_##NAME( \
JNIEnv *env, jobject thiz, ##__VA_ARGS__); \
} \
JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegLibrary_##NAME( \
JNIEnv *env, jobject thiz, ##__VA_ARGS__)
#define ERROR_STRING_BUFFER_LENGTH 256
@ -63,7 +63,7 @@ static const AVSampleFormat OUTPUT_FORMAT_PCM_16BIT = AV_SAMPLE_FMT_S16;
// Output format corresponding to AudioFormat.ENCODING_PCM_FLOAT.
static const AVSampleFormat OUTPUT_FORMAT_PCM_FLOAT = AV_SAMPLE_FMT_FLT;
// Error codes matching FfmpegDecoder.java.
// Error codes matching FfmpegAudioDecoder.java.
static const int DECODER_ERROR_INVALID_DATA = -1;
static const int DECODER_ERROR_OTHER = -2;
@ -115,8 +115,9 @@ LIBRARY_FUNC(jboolean, ffmpegHasDecoder, jstring codecName) {
return getCodecByName(env, codecName) != NULL;
}
DECODER_FUNC(jlong, ffmpegInitialize, jstring codecName, jbyteArray extraData,
jboolean outputFloat, jint rawSampleRate, jint rawChannelCount) {
AUDIO_DECODER_FUNC(jlong, ffmpegInitialize, jstring codecName,
jbyteArray extraData, jboolean outputFloat,
jint rawSampleRate, jint rawChannelCount) {
AVCodec *codec = getCodecByName(env, codecName);
if (!codec) {
LOGE("Codec not found.");
@ -154,7 +155,7 @@ DECODER_FUNC(jint, ffmpegDecode, jlong context, jobject inputData,
outputSize);
}
DECODER_FUNC(jint, ffmpegGetChannelCount, jlong context) {
AUDIO_DECODER_FUNC(jint, ffmpegGetChannelCount, jlong context) {
if (!context) {
LOGE("Context must be non-NULL.");
return -1;
@ -162,7 +163,7 @@ DECODER_FUNC(jint, ffmpegGetChannelCount, jlong context) {
return ((AVCodecContext *) context)->channels;
}
DECODER_FUNC(jint, ffmpegGetSampleRate, jlong context) {
AUDIO_DECODER_FUNC(jint, ffmpegGetSampleRate, jlong context) {
if (!context) {
LOGE("Context must be non-NULL.");
return -1;
@ -170,7 +171,7 @@ DECODER_FUNC(jint, ffmpegGetSampleRate, jlong context) {
return ((AVCodecContext *) context)->sample_rate;
}
DECODER_FUNC(jlong, ffmpegReset, jlong jContext, jbyteArray extraData) {
AUDIO_DECODER_FUNC(jlong, ffmpegReset, jlong jContext, jbyteArray extraData) {
AVCodecContext *context = (AVCodecContext *) jContext;
if (!context) {
LOGE("Tried to reset without a context.");
@ -198,7 +199,7 @@ DECODER_FUNC(jlong, ffmpegReset, jlong jContext, jbyteArray extraData) {
return (jlong) context;
}
DECODER_FUNC(void, ffmpegRelease, jlong context) {
AUDIO_DECODER_FUNC(void, ffmpegRelease, jlong context) {
if (context) {
releaseContext((AVCodecContext *) context);
}