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

6
extensions/ffmpeg/src/main/java/com/google/android/exoplayer2/ext/ffmpeg/FfmpegAudioRenderer.java
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@ -41,7 +41,7 @@ public final class FfmpegAudioRenderer extends DecoderAudioRenderer {
private final boolean enableFloatOutput; private final boolean enableFloatOutput;
private @MonotonicNonNull FfmpegDecoder decoder; private @MonotonicNonNull FfmpegAudioDecoder decoder;
public FfmpegAudioRenderer() { public FfmpegAudioRenderer() {
this(/* eventHandler= */ null, /* eventListener= */ null); this(/* eventHandler= */ null, /* eventListener= */ null);
@ -117,12 +117,12 @@ public final class FfmpegAudioRenderer extends DecoderAudioRenderer {
} }
@Override @Override
protected FfmpegDecoder createDecoder(Format format, @Nullable ExoMediaCrypto mediaCrypto) protected FfmpegAudioDecoder createDecoder(Format format, @Nullable ExoMediaCrypto mediaCrypto)
throws FfmpegDecoderException { throws FfmpegDecoderException {
int initialInputBufferSize = int initialInputBufferSize =
format.maxInputSize != Format.NO_VALUE ? format.maxInputSize : DEFAULT_INPUT_BUFFER_SIZE; format.maxInputSize != Format.NO_VALUE ? format.maxInputSize : DEFAULT_INPUT_BUFFER_SIZE;
decoder = decoder =
new FfmpegDecoder( new FfmpegAudioDecoder(
NUM_BUFFERS, NUM_BUFFERS, initialInputBufferSize, format, shouldUseFloatOutput(format)); NUM_BUFFERS, NUM_BUFFERS, initialInputBufferSize, format, shouldUseFloatOutput(format));
return decoder; return decoder;
} }

33
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, \ #define LOGE(...) ((void)__android_log_print(ANDROID_LOG_ERROR, LOG_TAG, \
__VA_ARGS__)) __VA_ARGS__))
#define DECODER_FUNC(RETURN_TYPE, NAME, ...) \ #define AUDIO_DECODER_FUNC(RETURN_TYPE, NAME, ...) \
extern "C" { \ extern "C" { \
JNIEXPORT RETURN_TYPE \ JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegDecoder_ ## NAME \ Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegAudioDecoder_##NAME( \
(JNIEnv* env, jobject thiz, ##__VA_ARGS__);\ JNIEnv *env, jobject thiz, ##__VA_ARGS__); \
} \ } \
JNIEXPORT RETURN_TYPE \ JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegDecoder_ ## NAME \ Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegAudioDecoder_##NAME( \
(JNIEnv* env, jobject thiz, ##__VA_ARGS__)\ JNIEnv *env, jobject thiz, ##__VA_ARGS__)
#define LIBRARY_FUNC(RETURN_TYPE, NAME, ...) \ #define LIBRARY_FUNC(RETURN_TYPE, NAME, ...) \
extern "C" { \ extern "C" { \
JNIEXPORT RETURN_TYPE \ JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegLibrary_ ## NAME \ Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegLibrary_##NAME( \
(JNIEnv* env, jobject thiz, ##__VA_ARGS__);\ JNIEnv *env, jobject thiz, ##__VA_ARGS__); \
} \ } \
JNIEXPORT RETURN_TYPE \ JNIEXPORT RETURN_TYPE \
Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegLibrary_ ## NAME \ Java_com_google_android_exoplayer2_ext_ffmpeg_FfmpegLibrary_##NAME( \
(JNIEnv* env, jobject thiz, ##__VA_ARGS__)\ JNIEnv *env, jobject thiz, ##__VA_ARGS__)
#define ERROR_STRING_BUFFER_LENGTH 256 #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. // Output format corresponding to AudioFormat.ENCODING_PCM_FLOAT.
static const AVSampleFormat OUTPUT_FORMAT_PCM_FLOAT = AV_SAMPLE_FMT_FLT; 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_INVALID_DATA = -1;
static const int DECODER_ERROR_OTHER = -2; static const int DECODER_ERROR_OTHER = -2;
@ -115,8 +115,9 @@ LIBRARY_FUNC(jboolean, ffmpegHasDecoder, jstring codecName) {
return getCodecByName(env, codecName) != NULL; return getCodecByName(env, codecName) != NULL;
} }
DECODER_FUNC(jlong, ffmpegInitialize, jstring codecName, jbyteArray extraData, AUDIO_DECODER_FUNC(jlong, ffmpegInitialize, jstring codecName,
jboolean outputFloat, jint rawSampleRate, jint rawChannelCount) { jbyteArray extraData, jboolean outputFloat,
jint rawSampleRate, jint rawChannelCount) {
AVCodec *codec = getCodecByName(env, codecName); AVCodec *codec = getCodecByName(env, codecName);
if (!codec) { if (!codec) {
LOGE("Codec not found."); LOGE("Codec not found.");
@ -154,7 +155,7 @@ DECODER_FUNC(jint, ffmpegDecode, jlong context, jobject inputData,
outputSize); outputSize);
} }
DECODER_FUNC(jint, ffmpegGetChannelCount, jlong context) { AUDIO_DECODER_FUNC(jint, ffmpegGetChannelCount, jlong context) {
if (!context) { if (!context) {
LOGE("Context must be non-NULL."); LOGE("Context must be non-NULL.");
return -1; return -1;
@ -162,7 +163,7 @@ DECODER_FUNC(jint, ffmpegGetChannelCount, jlong context) {
return ((AVCodecContext *) context)->channels; return ((AVCodecContext *) context)->channels;
} }
DECODER_FUNC(jint, ffmpegGetSampleRate, jlong context) { AUDIO_DECODER_FUNC(jint, ffmpegGetSampleRate, jlong context) {
if (!context) { if (!context) {
LOGE("Context must be non-NULL."); LOGE("Context must be non-NULL.");
return -1; return -1;
@ -170,7 +171,7 @@ DECODER_FUNC(jint, ffmpegGetSampleRate, jlong context) {
return ((AVCodecContext *) context)->sample_rate; 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; AVCodecContext *context = (AVCodecContext *) jContext;
if (!context) { if (!context) {
LOGE("Tried to reset without a context."); LOGE("Tried to reset without a context.");
@ -198,7 +199,7 @@ DECODER_FUNC(jlong, ffmpegReset, jlong jContext, jbyteArray extraData) {
return (jlong) context; return (jlong) context;
} }
DECODER_FUNC(void, ffmpegRelease, jlong context) { AUDIO_DECODER_FUNC(void, ffmpegRelease, jlong context) {
if (context) { if (context) {
releaseContext((AVCodecContext *) context); releaseContext((AVCodecContext *) context);
} }