From e1319aa1c1be9b64117c19170344fb78841dd67c Mon Sep 17 00:00:00 2001
From: Luca Barbato <lu_zero@gentoo.org>
Date: Fri, 10 Jul 2015 14:45:14 +0200
Subject: libx264: Add support for the MPEG2 encoder

---
 libavcodec/Makefile    |  1 +
 libavcodec/allcodecs.c |  1 +
 libavcodec/libx264.c   | 49 ++++++++++++++++++++++++++++++++++++++++++-------
 3 files changed, 44 insertions(+), 7 deletions(-)

(limited to 'libavcodec')

diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index d933ffd77f..008207b000 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -671,6 +671,7 @@ OBJS-$(CONFIG_LIBVPX_VP9_DECODER)         += libvpxdec.o libvpx.o
 OBJS-$(CONFIG_LIBVPX_VP9_ENCODER)         += libvpxenc.o libvpx.o
 OBJS-$(CONFIG_LIBWAVPACK_ENCODER)         += libwavpackenc.o
 OBJS-$(CONFIG_LIBWEBP_ENCODER)            += libwebpenc.o
+OBJS-$(CONFIG_LIBX262_ENCODER)            += libx264.o
 OBJS-$(CONFIG_LIBX264_ENCODER)            += libx264.o
 OBJS-$(CONFIG_LIBX265_ENCODER)            += libx265.o
 OBJS-$(CONFIG_LIBXAVS_ENCODER)            += libxavs.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index a3f1550f2f..9fdbe8fc19 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -473,6 +473,7 @@ void avcodec_register_all(void)
     REGISTER_ENCDEC (LIBVPX_VP9,        libvpx_vp9);
     REGISTER_ENCODER(LIBWAVPACK,        libwavpack);
     REGISTER_ENCODER(LIBWEBP,           libwebp);
+    REGISTER_ENCODER(LIBX262,           libx262);
     REGISTER_ENCODER(LIBX264,           libx264);
     REGISTER_ENCODER(LIBX265,           libx265);
     REGISTER_ENCODER(LIBXAVS,           libxavs);
diff --git a/libavcodec/libx264.c b/libavcodec/libx264.c
index 7c502fd53b..5d257ef889 100644
--- a/libavcodec/libx264.c
+++ b/libavcodec/libx264.c
@@ -323,7 +323,14 @@ static av_cold int X264_init(AVCodecContext *avctx)
 {
     X264Context *x4 = avctx->priv_data;
 
+#if CONFIG_LIBX262_ENCODER
+    if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
+        x4->params.b_mpeg2 = 1;
+        x264_param_default_mpeg2(&x4->params);
+    } else
+#else
     x264_param_default(&x4->params);
+#endif
 
     x4->params.b_deblocking_filter         = avctx->flags & CODEC_FLAG_LOOP_FILTER;
 
@@ -663,13 +670,6 @@ static const AVOption options[] = {
     { NULL },
 };
 
-static const AVClass class = {
-    .class_name = "libx264",
-    .item_name  = av_default_item_name,
-    .option     = options,
-    .version    = LIBAVUTIL_VERSION_INT,
-};
-
 static const AVCodecDefault x264_defaults[] = {
     { "b",                "0" },
     { "bf",               "-1" },
@@ -698,6 +698,14 @@ static const AVCodecDefault x264_defaults[] = {
     { NULL },
 };
 
+#if CONFIG_LIBX264_ENCODER
+static const AVClass class = {
+    .class_name = "libx264",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
 AVCodec ff_libx264_encoder = {
     .name             = "libx264",
     .long_name        = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
@@ -714,3 +722,30 @@ AVCodec ff_libx264_encoder = {
     .caps_internal    = FF_CODEC_CAP_INIT_THREADSAFE |
                         FF_CODEC_CAP_INIT_CLEANUP,
 };
+#endif
+
+#if CONFIG_LIBX262_ENCODER
+static const AVClass X262_class = {
+    .class_name = "libx262",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
+AVCodec ff_libx262_encoder = {
+    .name             = "libx262",
+    .long_name        = NULL_IF_CONFIG_SMALL("libx262 MPEG2VIDEO"),
+    .type             = AVMEDIA_TYPE_VIDEO,
+    .id               = AV_CODEC_ID_MPEG2VIDEO,
+    .priv_data_size   = sizeof(X264Context),
+    .init             = X264_init,
+    .encode2          = X264_frame,
+    .close            = X264_close,
+    .capabilities     = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
+    .priv_class       = &X262_class,
+    .defaults         = x264_defaults,
+    .pix_fmts         = pix_fmts_8bit,
+    .caps_internal    = FF_CODEC_CAP_INIT_THREADSAFE |
+                        FF_CODEC_CAP_INIT_CLEANUP,
+};
+#endif
-- 
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