From: Carl Hetherington <cth@carlh.net>
Date: Tue, 18 Dec 2012 23:14:03 +0000 (+0000)
Subject: Try to add support for signed 16-bit planar; tidy a couple of C-style casts.
X-Git-Tag: v2.0.48~1390^2~4
X-Git-Url: https://git.carlh.net/gitweb/?a=commitdiff_plain;h=49e418c1fc725d0e734aaa51b14e3d8fbe12a3b0;p=dcpomatic.git

Try to add support for signed 16-bit planar; tidy a couple of C-style casts.
---

diff --git a/src/lib/ffmpeg_decoder.cc b/src/lib/ffmpeg_decoder.cc
index 3c607a7fb..b96e2b67c 100644
--- a/src/lib/ffmpeg_decoder.cc
+++ b/src/lib/ffmpeg_decoder.cc
@@ -408,7 +408,7 @@ FFmpegDecoder::deinterleave_audio (uint8_t* data, int size)
 	switch (audio_sample_format()) {
 	case AV_SAMPLE_FMT_S16:
 	{
-		int16_t* p = (int16_t *) data;
+		int16_t* p = reinterpret_cast<int16_t *> (data);
 		int sample = 0;
 		int channel = 0;
 		for (int i = 0; i < total_samples; ++i) {
@@ -423,13 +423,24 @@ FFmpegDecoder::deinterleave_audio (uint8_t* data, int size)
 	}
 	break;
 
+	case AV_SAMPLE_FMT_S16P:
+	{
+		int16_t* p = reinterpret_cast<int16_t *> (data);
+		for (int i = 0; i < _film->audio_channels(); ++i) {
+			for (int j = 0; j < frames; ++j) {
+				audio->data(i)[j] = static_cast<float>(*p++) / (1 << 15);
+			}
+		}
+	}
+	break;
+	
 	case AV_SAMPLE_FMT_S32:
 	{
-		int32_t* p = (int32_t *) data;
+		int32_t* p = reinterpret_cast<int32_t *> (data);
 		int sample = 0;
 		int channel = 0;
 		for (int i = 0; i < total_samples; ++i) {
-			audio->data(channel)[sample] = float(*p++) / (1 << 31);
+			audio->data(channel)[sample] = static_cast<float>(*p++) / (1 << 31);
 
 			++channel;
 			if (channel == _film->audio_channels()) {