streamctl/docker/termux/ffmpeg_mediacodec_set_parameters.patch

commit e01e33bde9fe5cc6bed67dd3e445a386d2d40608
Author: Dmitrii Okunev <xaionaro@dx.center>
Date:   Sun Apr 20 17:54:21 2025 +0100

    Add MediaCodec function setParameters
diff --git a/libavcodec/mediacodec_wrapper.c b/libavcodec/mediacodec_wrapper.c
index 96c886666a..b63a60a292 100644
--- a/libavcodec/mediacodec_wrapper.c
+++ b/libavcodec/mediacodec_wrapper.c
@@ -192,6 +192,8 @@ struct JNIAMediaCodecFields {
     jmethodID release_output_buffer_id;
     jmethodID release_output_buffer_at_time_id;
 
+    jmethodID set_parameters_id;
+
     jmethodID set_input_surface_id;
     jmethodID signal_end_of_input_stream_id;
 
@@ -234,6 +236,8 @@ static const struct FFJniField jni_amediacodec_mapping[] = {
 
         { "android/media/MediaCodec", "getOutputFormat", "()Landroid/media/MediaFormat;", FF_JNI_METHOD, OFFSET(get_output_format_id), 1 },
 
+        { "android/media/MediaCodec", "setParameters", "(Landroid/media/MediaFormat;)V", FF_JNI_METHOD, OFFSET(set_parameters_id), 1 },
+
         { "android/media/MediaCodec", "dequeueInputBuffer", "(J)I", FF_JNI_METHOD, OFFSET(dequeue_input_buffer_id), 1 },
         { "android/media/MediaCodec", "queueInputBuffer", "(IIIJI)V", FF_JNI_METHOD, OFFSET(queue_input_buffer_id), 1 },
         { "android/media/MediaCodec", "getInputBuffer", "(I)Ljava/nio/ByteBuffer;", FF_JNI_METHOD, OFFSET(get_input_buffer_id), 0 },
@@ -1411,6 +1415,25 @@ fail:
     return ret;
 }
 
+static int mediacodec_jni_setParameters(FFAMediaCodec *ctx,
+                                    const FFAMediaFormat *format_ctx)
+{
+    int ret = 0;
+    JNIEnv *env = NULL;
+    FFAMediaCodecJni *codec = (FFAMediaCodecJni *)ctx;
+    const FFAMediaFormatJni *format = (FFAMediaFormatJni *)format_ctx;
+
+    JNI_GET_ENV_OR_RETURN(env, codec, AVERROR_EXTERNAL);
+
+    (*env)->CallVoidMethod(env, codec->object, codec->jfields.set_parameters_id, format->object);
+
+    if (ff_jni_exception_check(env, 1, codec) < 0) {
+        ret = AVERROR_EXTERNAL;
+    }
+
+    return ret;
+}
+
 static int mediacodec_jni_start(FFAMediaCodec* ctx)
 {
     int ret = 0;
@@ -1818,6 +1841,8 @@ static const FFAMediaCodec media_codec_jni = {
     .getBufferFlagEndOfStream = mediacodec_jni_getBufferFlagEndOfStream,
     .getBufferFlagKeyFrame = mediacodec_jni_getBufferFlagKeyFrame,
 
+    .setParameters = mediacodec_jni_setParameters,
+
     .getConfigureFlagEncode = mediacodec_jni_getConfigureFlagEncode,
     .cleanOutputBuffers = mediacodec_jni_cleanOutputBuffers,
     .signalEndOfInputStream = mediacodec_jni_signalEndOfInputStream,
@@ -2178,6 +2203,21 @@ static int mediacodec_ndk_configure(FFAMediaCodec* ctx,
     return 0;
 }
 
+static int mediacodec_ndk_setParameters(FFAMediaCodec *ctx,
+                                    const FFAMediaFormat *format_ctx)
+{
+    FFAMediaCodecNdk *codec = (FFAMediaCodecNdk *)ctx;
+    FFAMediaFormatNdk *format = (FFAMediaFormatNdk *)format_ctx;
+
+    int status = AMediaCodec_setParameters(codec->impl, format->impl);
+    if (status != AMEDIA_OK) {
+        av_log(codec, AV_LOG_ERROR, "codec setParameters failed, %d\n", status);
+        return AVERROR_EXTERNAL;
+    }
+
+    return 0;
+}
+
 #define MEDIACODEC_NDK_WRAPPER(method)                                   \
 static int mediacodec_ndk_ ## method(FFAMediaCodec* ctx)                 \
 {                                                                        \
@@ -2393,6 +2433,8 @@ static const FFAMediaCodec media_codec_ndk = {
     .getBufferFlagEndOfStream = mediacodec_ndk_getBufferFlagEndOfStream,
     .getBufferFlagKeyFrame = mediacodec_ndk_getBufferFlagKeyFrame,
 
+    .setParameters = mediacodec_ndk_setParameters,
+
     .getConfigureFlagEncode = mediacodec_ndk_getConfigureFlagEncode,
     .cleanOutputBuffers = mediacodec_ndk_cleanOutputBuffers,
     .signalEndOfInputStream = mediacodec_ndk_signalEndOfInputStream,
diff --git a/libavcodec/mediacodec_wrapper.h b/libavcodec/mediacodec_wrapper.h
index 11a4260497..804349ea2c 100644
--- a/libavcodec/mediacodec_wrapper.h
+++ b/libavcodec/mediacodec_wrapper.h
@@ -217,6 +217,9 @@ struct FFAMediaCodec {
 
     int (*cleanOutputBuffers)(FFAMediaCodec *codec);
 
+    // Introduced in Android API 26
+    int (*setParameters)(FFAMediaCodec* codec, const FFAMediaFormat* format);
+
     // For encoder with FFANativeWindow as input.
     int (*signalEndOfInputStream)(FFAMediaCodec *);
 };
@@ -238,6 +241,12 @@ static inline int ff_AMediaCodec_configure(FFAMediaCodec *codec,
     return codec->configure(codec, format, surface, crypto, flags);
 }
 
+static inline int ff_AMediaCodec_setParameters(FFAMediaCodec *codec,
+                                           const FFAMediaFormat *format)
+{
+    return codec->setParameters(codec, format);
+}
+
 static inline int ff_AMediaCodec_start(FFAMediaCodec* codec)
 {
     return codec->start(codec);