DecoderAPI: add function decoder_read_full()

Move code from the "mad" plugin.

2 files changed, 36 insertions, 0 deletions

diff --git a/test/FakeDecoderAPI.cxx b/test/FakeDecoderAPI.cxx
index 469e37feb..ca09ca982 100644
--- a/test/FakeDecoderAPI.cxx
+++ b/test/FakeDecoderAPI.cxx
@@ -66,6 +66,24 @@ decoder_read(gcc_unused Decoder *decoder,
 }
 
 bool
+decoder_read_full(Decoder *decoder, InputStream &is,
+		  void *_buffer, size_t size)
+{
+	uint8_t *buffer = (uint8_t *)_buffer;
+
+	while (size > 0) {
+		size_t nbytes = decoder_read(decoder, is, buffer, size);
+		if (nbytes == 0)
+			return false;
+
+		buffer += nbytes;
+		size -= nbytes;
+	}
+
+	return true;
+}
+
+bool
 decoder_skip(Decoder *decoder, InputStream &is, size_t size)
 {
 	while (size > 0) {
diff --git a/test/run_decoder.cxx b/test/run_decoder.cxx
index cab68c64e..7db8dde22 100644
--- a/test/run_decoder.cxx
+++ b/test/run_decoder.cxx
@@ -102,6 +102,24 @@ decoder_read(gcc_unused Decoder *decoder,
 }
 
 bool
+decoder_read_full(Decoder *decoder, InputStream &is,
+		  void *_buffer, size_t size)
+{
+	uint8_t *buffer = (uint8_t *)_buffer;
+
+	while (size > 0) {
+		size_t nbytes = decoder_read(decoder, is, buffer, size);
+		if (nbytes == 0)
+			return false;
+
+		buffer += nbytes;
+		size -= nbytes;
+	}
+
+	return true;
+}
+
+bool
 decoder_skip(Decoder *decoder, InputStream &is, size_t size)
 {
 	while (size > 0) {