Merge remote-tracking branch 'qatar/master'

* qatar/master:
  Add LATM muxer
  v210enc: clip values according to specifications
  v210enc: switch to PIX_FMT_422P10
  v210dec: switch to PIX_FMT_422P10
  AVOptions: remove AVOption.offset <= 0 checks
  AVOptions: deprecate av_opt_set_defaults2
  AVOptions: move doxy for av_opt_set_defaults() from opt.c to opt.h
  libx264: fix setting some more parameters
  libx264: fix setting the H.264 level
  libx264: add 'direct-pred' private option
  libx264: add 'partitions' private option

Conflicts:
	Changelog
	libavcodec/Makefile
	libavcodec/libx264.c
	libavcodec/v210enc.c
	libavfilter/src_movie.c
	libavformat/version.h
	libavutil/opt.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

17 files changed, 297 insertions, 76 deletions

diff --git a/Changelog b/Changelog
index e9f594d3c4..9dab857fee 100644
--- a/Changelog
+++ b/Changelog
@@ -47,6 +47,7 @@ easier to use. The changes are:
 - ashowinfo filter added
 - Windows Media Image decoder
 - amovie source added
+- LATM muxer
 
 
 version 0.8:
diff --git a/doc/general.texi b/doc/general.texi
index 51af16dfa7..d071ecdc08 100644
--- a/doc/general.texi
+++ b/doc/general.texi
@@ -118,6 +118,7 @@ library:
     @tab A format generated by IndigoVision 8000 video server.
 @item IVF (On2)                 @tab X @tab X
     @tab A format used by libvpx
+@item LATM                      @tab X @tab X
 @item LMLM4                     @tab   @tab X
     @tab Used by Linux Media Labs MPEG-4 PCI boards
 @item LOAS                      @tab   @tab X
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index ac47c99aab..c9d57814aa 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -547,6 +547,7 @@ OBJS-$(CONFIG_FLAC_MUXER)              += flacdec.o flacdata.o flac.o vorbis_dat
 OBJS-$(CONFIG_FLV_DEMUXER)             += mpeg4audio.o
 OBJS-$(CONFIG_GXF_DEMUXER)             += mpeg12data.o
 OBJS-$(CONFIG_IFF_DEMUXER)             += iff.o
+OBJS-$(CONFIG_LATM_MUXER)              += mpeg4audio.o
 OBJS-$(CONFIG_MATROSKA_AUDIO_MUXER)    += xiph.o mpeg4audio.o vorbis_data.o \
                                           flacdec.o flacdata.o flac.o
 OBJS-$(CONFIG_MATROSKA_DEMUXER)        += mpeg4audio.o mpegaudiodata.o
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index fd9579e7b1..4ce084c574 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2520,14 +2520,13 @@ typedef struct AVCodecContext {
      * - decoding: unused
      */
     attribute_deprecated int deblockbeta;
-#endif
 
     /**
      * macroblock subpartition sizes to consider - p8x8, p4x4, b8x8, i8x8, i4x4
      * - encoding: Set by user.
      * - decoding: unused
      */
-    int partitions;
+    attribute_deprecated int partitions;
 #define X264_PART_I4X4 0x001  /* Analyze i4x4 */
 #define X264_PART_I8X8 0x002  /* Analyze i8x8 (requires 8x8 transform) */
 #define X264_PART_P8X8 0x010  /* Analyze p16x8, p8x16 and p8x8 */
@@ -2539,7 +2538,8 @@ typedef struct AVCodecContext {
      * - encoding: Set by user.
      * - decoding: unused
      */
-    int directpred;
+    attribute_deprecated int directpred;
+#endif
 
     /**
      * Audio cutoff bandwidth (0 means "automatic")
diff --git a/libavcodec/libx264.c b/libavcodec/libx264.c
index b6d2da8be1..4fd117f9ab 100644
--- a/libavcodec/libx264.c
+++ b/libavcodec/libx264.c
@@ -66,6 +66,8 @@ typedef struct X264Context {
     int mbtree;
     char *deblock;
     float cplxblur;
+    char *partitions;
+    int direct_pred;
 } X264Context;
 
 static void X264_log(void *p, int level, const char *fmt, va_list args)
@@ -247,64 +249,19 @@ static av_cold int X264_init(AVCodecContext *avctx)
 
     x264_param_default(&x4->params);
 
-    x4->params.b_cabac           = avctx->coder_type == FF_CODER_TYPE_AC;
-    x4->params.i_bframe_adaptive = avctx->b_frame_strategy;
-
-    x4->params.i_keyint_min = avctx->keyint_min;
-    if (x4->params.i_keyint_min > x4->params.i_keyint_max)
-        x4->params.i_keyint_min = x4->params.i_keyint_max;
-
     x4->params.b_deblocking_filter         = avctx->flags & CODEC_FLAG_LOOP_FILTER;
 
-    x4->params.analyse.inter    = 0;
-    if (avctx->partitions) {
-        if (avctx->partitions & X264_PART_I4X4)
-            x4->params.analyse.inter |= X264_ANALYSE_I4x4;
-        if (avctx->partitions & X264_PART_I8X8)
-            x4->params.analyse.inter |= X264_ANALYSE_I8x8;
-        if (avctx->partitions & X264_PART_P8X8)
-            x4->params.analyse.inter |= X264_ANALYSE_PSUB16x16;
-        if (avctx->partitions & X264_PART_P4X4)
-            x4->params.analyse.inter |= X264_ANALYSE_PSUB8x8;
-        if (avctx->partitions & X264_PART_B8X8)
-            x4->params.analyse.inter |= X264_ANALYSE_BSUB16x16;
-    }
-
-    x4->params.analyse.i_direct_mv_pred  = avctx->directpred;
-
-    if (avctx->me_method == ME_EPZS)
-        x4->params.analyse.i_me_method = X264_ME_DIA;
-    else if (avctx->me_method == ME_HEX)
-        x4->params.analyse.i_me_method = X264_ME_HEX;
-    else if (avctx->me_method == ME_UMH)
-        x4->params.analyse.i_me_method = X264_ME_UMH;
-    else if (avctx->me_method == ME_FULL)
-        x4->params.analyse.i_me_method = X264_ME_ESA;
-    else if (avctx->me_method == ME_TESA)
-        x4->params.analyse.i_me_method = X264_ME_TESA;
-    else x4->params.analyse.i_me_method = X264_ME_HEX;
-
-    x4->params.analyse.i_me_range         = avctx->me_range;
-    x4->params.analyse.i_subpel_refine    = avctx->me_subpel_quality;
-
-    x4->params.analyse.b_chroma_me        = avctx->me_cmp & FF_CMP_CHROMA;
-
-    x4->params.analyse.i_trellis          = avctx->trellis;
-    x4->params.analyse.i_noise_reduction  = avctx->noise_reduction;
-
     x4->params.rc.f_ip_factor             = 1 / fabs(avctx->i_quant_factor);
     x4->params.rc.f_pb_factor             = avctx->b_quant_factor;
     x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset;
-
-    if (!x4->preset)
-        check_default_settings(avctx);
-
-    if (x4->preset || x4->tune) {
+    if (x4->preset || x4->tune)
         if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) {
             av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune);
             return AVERROR(EINVAL);
         }
-    }
+
+    if (avctx->level > 0)
+        x4->params.i_level_idc = avctx->level;
 
     x4->params.pf_log               = X264_log;
     x4->params.p_log_private        = avctx;
@@ -387,6 +344,20 @@ static av_cold int X264_init(AVCodecContext *avctx)
         x4->params.i_deblocking_filter_beta    = avctx->deblockbeta;
     if (avctx->complexityblur >= 0)
         x4->params.rc.f_complexity_blur        = avctx->complexityblur;
+    if (avctx->directpred >= 0)
+        x4->params.analyse.i_direct_mv_pred    = avctx->directpred;
+    if (avctx->partitions) {
+        if (avctx->partitions & X264_PART_I4X4)
+            x4->params.analyse.inter |= X264_ANALYSE_I4x4;
+        if (avctx->partitions & X264_PART_I8X8)
+            x4->params.analyse.inter |= X264_ANALYSE_I8x8;
+        if (avctx->partitions & X264_PART_P8X8)
+            x4->params.analyse.inter |= X264_ANALYSE_PSUB16x16;
+        if (avctx->partitions & X264_PART_P4X4)
+            x4->params.analyse.inter |= X264_ANALYSE_PSUB8x8;
+        if (avctx->partitions & X264_PART_B8X8)
+            x4->params.analyse.inter |= X264_ANALYSE_BSUB16x16;
+    }
     x4->params.analyse.b_ssim = avctx->flags2 & CODEC_FLAG2_SSIM;
     x4->params.b_intra_refresh = avctx->flags2 & CODEC_FLAG2_INTRA_REFRESH;
     x4->params.i_bframe_pyramid = avctx->flags2 & CODEC_FLAG2_BPYRAMID ? X264_B_PYRAMID_NORMAL : X264_B_PYRAMID_NONE;
@@ -399,6 +370,17 @@ static av_cold int X264_init(AVCodecContext *avctx)
     x4->params.rc.b_mb_tree               = !!(avctx->flags2 & CODEC_FLAG2_MBTREE);
 #endif
 
+    if (avctx->me_method == ME_EPZS)
+        x4->params.analyse.i_me_method = X264_ME_DIA;
+    else if (avctx->me_method == ME_HEX)
+        x4->params.analyse.i_me_method = X264_ME_HEX;
+    else if (avctx->me_method == ME_UMH)
+        x4->params.analyse.i_me_method = X264_ME_UMH;
+    else if (avctx->me_method == ME_FULL)
+        x4->params.analyse.i_me_method = X264_ME_ESA;
+    else if (avctx->me_method == ME_TESA)
+        x4->params.analyse.i_me_method = X264_ME_TESA;
+
     if (avctx->gop_size >= 0)
         x4->params.i_keyint_max         = avctx->gop_size;
     if (avctx->max_b_frames >= 0)
@@ -417,6 +399,22 @@ static av_cold int X264_init(AVCodecContext *avctx)
         x4->params.rc.f_qcompress       = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
     if (avctx->refs >= 0)
         x4->params.i_frame_reference    = avctx->refs;
+    if (avctx->trellis >= 0)
+        x4->params.analyse.i_trellis    = avctx->trellis;
+    if (avctx->me_range >= 0)
+        x4->params.analyse.i_me_range   = avctx->me_range;
+    if (avctx->noise_reduction >= 0)
+        x4->params.analyse.i_noise_reduction = avctx->noise_reduction;
+    if (avctx->me_subpel_quality >= 0)
+        x4->params.analyse.i_subpel_refine   = avctx->me_subpel_quality;
+    if (avctx->b_frame_strategy >= 0)
+        x4->params.i_bframe_adaptive = avctx->b_frame_strategy;
+    if (avctx->keyint_min >= 0)
+        x4->params.i_keyint_min = avctx->keyint_min;
+    if (avctx->coder_type >= 0)
+        x4->params.b_cabac = avctx->coder_type == FF_CODER_TYPE_AC;
+    if (avctx->me_cmp >= 0)
+        x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA;
 
     if (x4->aq_mode >= 0)
         x4->params.rc.i_aq_mode = x4->aq_mode;
@@ -424,6 +422,7 @@ static av_cold int X264_init(AVCodecContext *avctx)
         x4->params.rc.f_aq_strength = x4->aq_strength;
     PARSE_X264_OPT("psy-rd", psy_rd);
     PARSE_X264_OPT("deblock", deblock);
+    PARSE_X264_OPT("partitions", partitions);
     if (x4->psy >= 0)
         x4->params.analyse.b_psy  = x4->psy;
     if (x4->rc_lookahead >= 0)
@@ -453,6 +452,8 @@ static av_cold int X264_init(AVCodecContext *avctx)
         x4->params.b_aud                      = x4->aud;
     if (x4->mbtree >= 0)
         x4->params.rc.b_mb_tree               = x4->mbtree;
+    if (x4->direct_pred >= 0)
+        x4->params.analyse.i_direct_mv_pred   = x4->direct_pred;
 
     if (x4->fastfirstpass)
         x264_param_apply_fastfirstpass(&x4->params);
@@ -516,9 +517,8 @@ static av_cold int X264_init(AVCodecContext *avctx)
     return 0;
 }
 
-#define OFFSET(x) offsetof(X264Context,x)
+#define OFFSET(x) offsetof(X264Context, x)
 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
-
 static const AVOption options[] = {
     { "preset",        "Set the encoding preset (cf. x264 --fullhelp)",   OFFSET(preset),        FF_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE},
     { "tune",          "Tune the encoding params (cf. x264 --fullhelp)",  OFFSET(tune),          FF_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
@@ -558,6 +558,13 @@ static const AVOption options[] = {
     { "mbtree",        "Use macroblock tree ratecontrol.",                OFFSET(mbtree),        FF_OPT_TYPE_INT,    {-1 }, -1, 1, VE},
     { "deblock",       "Loop filter parameters, in <alpha:beta> form.",   OFFSET(deblock),       FF_OPT_TYPE_STRING, { 0 },  0, 0, VE},
     { "cplxblur",      "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), FF_OPT_TYPE_FLOAT,  {-1 }, -1, FLT_MAX, VE},
+    { "partitions",    "A comma-separated list of partitions to consider. "
+                       "Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), FF_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
+    { "direct-pred",   "Direct MV prediction mode",                       OFFSET(direct_pred),   FF_OPT_TYPE_INT,    {-1 }, -1, INT_MAX, VE, "direct-pred" },
+    { "none",          NULL,      0,    FF_OPT_TYPE_CONST, { X264_DIRECT_PRED_NONE },     0, 0, VE, "direct-pred" },
+    { "spatial",       NULL,      0,    FF_OPT_TYPE_CONST, { X264_DIRECT_PRED_SPATIAL },  0, 0, VE, "direct-pred" },
+    { "temporal",      NULL,      0,    FF_OPT_TYPE_CONST, { X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },
+    { "auto",          NULL,      0,    FF_OPT_TYPE_CONST, { X264_DIRECT_PRED_AUTO },     0, 0, VE, "direct-pred" },
     { NULL },
 };
 
@@ -579,6 +586,15 @@ static const AVCodecDefault x264_defaults[] = {
     { "qcomp",            "-1" },
     { "refs",             "-1" },
     { "sc_threshold",     "-1" },
+    { "trellis",          "-1" },
+    { "nr",               "-1" },
+    { "me_range",         "-1" },
+    { "me_method",        "-1" },
+    { "subq",             "-1" },
+    { "b_strategy",       "-1" },
+    { "keyint_min",       "-1" },
+    { "coder",            "-1" },
+    { "cmp",              "-1" },
     { "threads",          AV_STRINGIFY(X264_THREADS_AUTO) },
     { NULL },
 };
diff --git a/libavcodec/options.c b/libavcodec/options.c
index 882d0d1c3a..c6965343b0 100644
--- a/libavcodec/options.c
+++ b/libavcodec/options.c
@@ -402,8 +402,8 @@ static const AVOption options[]={
 {"bframebias", "influences how often B-frames are used", OFFSET(bframebias), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
 #endif
 {"trellis", "rate-distortion optimal quantization", OFFSET(trellis), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|A|E},
-{"directpred", "direct mv prediction mode - 0 (none), 1 (spatial), 2 (temporal), 3 (auto)", OFFSET(directpred), FF_OPT_TYPE_INT, {.dbl = 2 }, INT_MIN, INT_MAX, V|E},
 #if FF_API_X264_GLOBAL_OPTS
+{"directpred", "direct mv prediction mode - 0 (none), 1 (spatial), 2 (temporal), 3 (auto)", OFFSET(directpred), FF_OPT_TYPE_INT, {.dbl = -1 }, INT_MIN, INT_MAX, V|E},
 {"bpyramid", "allows B-frames to be used as references for predicting", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_BPYRAMID }, INT_MIN, INT_MAX, V|E, "flags2"},
 {"wpred", "weighted biprediction for b-frames (H.264)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_WPRED }, INT_MIN, INT_MAX, V|E, "flags2"},
 {"mixed_refs", "one reference per partition, as opposed to one reference per macroblock", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_MIXED_REFS }, INT_MIN, INT_MAX, V|E, "flags2"},
@@ -416,13 +416,13 @@ static const AVOption options[]={
 {"complexityblur", "reduce fluctuations in qp (before curve compression)", OFFSET(complexityblur), FF_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, V|E},
 {"deblockalpha", "in-loop deblocking filter alphac0 parameter", OFFSET(deblockalpha), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, -6, 6, V|E},
 {"deblockbeta", "in-loop deblocking filter beta parameter", OFFSET(deblockbeta), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, -6, 6, V|E},
-#endif
 {"partitions", "macroblock subpartition sizes to consider", OFFSET(partitions), FF_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E, "partitions"},
 {"parti4x4", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = X264_PART_I4X4 }, INT_MIN, INT_MAX, V|E, "partitions"},
 {"parti8x8", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = X264_PART_I8X8 }, INT_MIN, INT_MAX, V|E, "partitions"},
 {"partp4x4", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = X264_PART_P4X4 }, INT_MIN, INT_MAX, V|E, "partitions"},
 {"partp8x8", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = X264_PART_P8X8 }, INT_MIN, INT_MAX, V|E, "partitions"},
 {"partb8x8", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = X264_PART_B8X8 }, INT_MIN, INT_MAX, V|E, "partitions"},
+#endif
 {"sc_factor", "multiplied by qscale for each frame and added to scene_change_score", OFFSET(scenechange_factor), FF_OPT_TYPE_INT, {.dbl = 6 }, 0, INT_MAX, V|E},
 {"mv0_threshold", NULL, OFFSET(mv0_threshold), FF_OPT_TYPE_INT, {.dbl = 256 }, 0, INT_MAX, V|E},
 #if FF_API_MPEGVIDEO_GLOBAL_OPTS
diff --git a/libavcodec/v210enc.c b/libavcodec/v210enc.c
index 1991c8ccfe..92577ef80f 100644
--- a/libavcodec/v210enc.c
+++ b/libavcodec/v210enc.c
@@ -124,6 +124,6 @@ AVCodec ff_v210_encoder = {
     .init           = encode_init,
     .encode         = encode_frame,
     .close          = encode_close,
-    .pix_fmts = (const enum PixelFormat[]){PIX_FMT_YUV422P10, PIX_FMT_NONE},
+    .pix_fmts       = (const enum PixelFormat[]){PIX_FMT_YUV422P10, PIX_FMT_NONE},
     .long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:2:2 10-bit"),
 };
diff --git a/libavfilter/src_movie.c b/libavfilter/src_movie.c
index 0f683db0b2..c266654536 100644
--- a/libavfilter/src_movie.c
+++ b/libavfilter/src_movie.c
@@ -97,7 +97,7 @@ static av_cold int movie_common_init(AVFilterContext *ctx, const char *args, voi
     int ret;
 
     movie->class = &movie_class;
-    av_opt_set_defaults2(movie, 0, 0);
+    av_opt_set_defaults(movie);
 
     if (args)
         movie->file_name = av_get_token(&args, ":");
diff --git a/libavfilter/vf_drawtext.c b/libavfilter/vf_drawtext.c
index 1ef8e69719..9ad74014e3 100644
--- a/libavfilter/vf_drawtext.c
+++ b/libavfilter/vf_drawtext.c
@@ -226,7 +226,7 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
     Glyph *glyph;
 
     dtext->class = &drawtext_class;
-    av_opt_set_defaults2(dtext, 0, 0);
+    av_opt_set_defaults(dtext);
     dtext->fontcolor_string = av_strdup("black");
     dtext->boxcolor_string = av_strdup("white");
     dtext->shadowcolor_string = av_strdup("black");
diff --git a/libavformat/Makefile b/libavformat/Makefile
index 59642d7489..87962233c3 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -112,6 +112,7 @@ OBJS-$(CONFIG_IV8_DEMUXER)               += iv8.o
 OBJS-$(CONFIG_IVF_DEMUXER)               += ivfdec.o riff.o
 OBJS-$(CONFIG_IVF_MUXER)                 += ivfenc.o
 OBJS-$(CONFIG_JV_DEMUXER)                += jvdec.o
+OBJS-$(CONFIG_LATM_MUXER)                += latmenc.o
 OBJS-$(CONFIG_LMLM4_DEMUXER)             += lmlm4.o
 OBJS-$(CONFIG_LOAS_DEMUXER)              += loasdec.o
 OBJS-$(CONFIG_LXF_DEMUXER)               += lxfdec.o
diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index e3870a5cfe..5d0a48427a 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -113,6 +113,7 @@ void av_register_all(void)
     REGISTER_DEMUXER  (IV8, iv8);
     REGISTER_MUXDEMUX (IVF, ivf);
     REGISTER_DEMUXER  (JV, jv);
+    REGISTER_MUXER    (LATM, latm);
     REGISTER_DEMUXER  (LMLM4, lmlm4);
     REGISTER_DEMUXER  (LOAS, loas);
     REGISTER_DEMUXER  (LXF, lxf);
diff --git a/libavformat/latmenc.c b/libavformat/latmenc.c
new file mode 100644
index 0000000000..8d67b5a615
--- /dev/null
+++ b/libavformat/latmenc.c
@@ -0,0 +1,190 @@
+/*
+ * LATM/LOAS muxer
+ * Copyright (c) 2011 Kieran Kunhya <kieran@kunhya.com>
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavcodec/get_bits.h"
+#include "libavcodec/put_bits.h"
+#include "libavcodec/avcodec.h"
+#include "libavcodec/mpeg4audio.h"
+#include "libavutil/opt.h"
+#include "avformat.h"
+
+typedef struct {
+    int off;
+    int channel_conf;
+    int object_type;
+    int counter;
+    int mod;
+} LATMContext;
+
+static const AVOption options[] = {
+    {"smc-interval", "StreamMuxConfig interval.",
+     offsetof(LATMContext, mod), FF_OPT_TYPE_INT, {.dbl = 0x0014}, 0x0001, 0xffff, AV_OPT_FLAG_ENCODING_PARAM},
+    {NULL},
+};
+
+static const AVClass latm_muxer_class = {
+    .class_name = "LATM/LOAS muxer",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
+static int latm_decode_extradata(LATMContext *ctx, uint8_t *buf, int size)
+{
+    GetBitContext gb;
+    MPEG4AudioConfig m4ac;
+
+    init_get_bits(&gb, buf, size * 8);
+    ctx->off = ff_mpeg4audio_get_config(&m4ac, buf, size);
+    if (ctx->off < 0)
+        return ctx->off;
+    skip_bits_long(&gb, ctx->off);
+
+    /* FIXME: are any formats not allowed in LATM? */
+
+    if (m4ac.object_type > AOT_SBR && m4ac.object_type != AOT_ALS) {
+        av_log(ctx, AV_LOG_ERROR, "Muxing MPEG-4 AOT %d in LATM is not supported\n", m4ac.object_type);
+        return AVERROR_INVALIDDATA;
+    }
+    ctx->channel_conf = m4ac.chan_config;
+    ctx->object_type  = m4ac.object_type;
+
+    return 0;
+}
+
+static int latm_write_header(AVFormatContext *s)
+{
+    LATMContext *ctx = s->priv_data;
+    AVCodecContext *avctx = s->streams[0]->codec;
+
+    if (avctx->extradata_size > 0 &&
+        latm_decode_extradata(ctx, avctx->extradata, avctx->extradata_size) < 0)
+        return AVERROR_INVALIDDATA;
+
+    return 0;
+}
+
+static int latm_write_frame_header(AVFormatContext *s, PutBitContext *bs)
+{
+    LATMContext *ctx = s->priv_data;
+    AVCodecContext *avctx = s->streams[0]->codec;
+    GetBitContext gb;
+    int header_size;
+
+    /* AudioMuxElement */
+    put_bits(bs, 1, !!ctx->counter);
+
+    if (!ctx->counter) {
+        init_get_bits(&gb, avctx->extradata, avctx->extradata_size * 8);
+
+        /* StreamMuxConfig */
+        put_bits(bs, 1, 0); /* audioMuxVersion */
+        put_bits(bs, 1, 1); /* allStreamsSameTimeFraming */
+        put_bits(bs, 6, 0); /* numSubFrames */
+        put_bits(bs, 4, 0); /* numProgram */
+        put_bits(bs, 3, 0); /* numLayer */
+
+        /* AudioSpecificConfig */
+        if (ctx->object_type == AOT_ALS) {
+            header_size = avctx->extradata_size-(ctx->off + 7) >> 3;
+            ff_copy_bits(bs, &avctx->extradata[ctx->off], header_size);
+        } else {
+            ff_copy_bits(bs, avctx->extradata, ctx->off + 3);
+
+            if (!ctx->channel_conf) {
+                ff_copy_pce_data(bs, &gb);
+            }
+        }
+
+        put_bits(bs, 3, 0); /* frameLengthType */
+        put_bits(bs, 8, 0); /* latmBufferFullness */
+
+        put_bits(bs, 1, 0); /* otherDataPresent */
+        put_bits(bs, 1, 0); /* crcCheckPresent */
+    }
+
+    ctx->counter++;
+    ctx->counter %= ctx->mod;
+
+    return 0;
+}
+
+static int latm_write_packet(AVFormatContext *s, AVPacket *pkt)
+{
+    AVIOContext *pb = s->pb;
+    PutBitContext bs;
+    int i, len;
+    uint8_t loas_header[] = "\x56\xe0\x00";
+    uint8_t *buf;
+
+    if (pkt->size > 2 && pkt->data[0] == 0xff && (pkt->data[1] >> 4) == 0xf) {
+        av_log(s, AV_LOG_ERROR, "ADTS header detected - ADTS will not be incorrectly muxed into LATM\n");
+        return AVERROR_INVALIDDATA;
+    }
+
+    buf = av_malloc(pkt->size+1024);
+    if (!buf)
+        return AVERROR(ENOMEM);
+
+    init_put_bits(&bs, buf, pkt->size+1024);
+
+    latm_write_frame_header(s, &bs);
+
+    /* PayloadLengthInfo() */
+    for (i = 0; i <= pkt->size-255; i+=255)
+        put_bits(&bs, 8, 255);
+
+    put_bits(&bs, 8, pkt->size-i);
+
+    /* The LATM payload is written unaligned */
+
+    /* PayloadMux() */
+    for (i = 0; i < pkt->size; i++)
+        put_bits(&bs, 8, pkt->data[i]);
+
+    align_put_bits(&bs);
+    flush_put_bits(&bs);
+
+    len = put_bits_count(&bs) >> 3;
+
+    loas_header[1] |= (len >> 8) & 0x1f;
+    loas_header[2] |= len & 0xff;
+
+    avio_write(pb, loas_header, 3);
+    avio_write(pb, buf, len);
+
+    av_free(buf);
+
+    return 0;
+}
+
+AVOutputFormat ff_latm_muxer = {
+    .name           = "latm",
+    .long_name      = NULL_IF_CONFIG_SMALL("LOAS/LATM"),
+    .mime_type      = "audio/MP4A-LATM",
+    .extensions     = "latm",
+    .priv_data_size = sizeof(LATMContext),
+    .audio_codec    = CODEC_ID_AAC,
+    .video_codec    = CODEC_ID_NONE,
+    .write_header   = latm_write_header,
+    .write_packet   = latm_write_packet,
+    .priv_class     = &latm_muxer_class,
+};
diff --git a/libavformat/version.h b/libavformat/version.h
index d9e9f5c886..2e4e50a865 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -24,7 +24,7 @@
 #include "libavutil/avutil.h"
 
 #define LIBAVFORMAT_VERSION_MAJOR 53
-#define LIBAVFORMAT_VERSION_MINOR 11
+#define LIBAVFORMAT_VERSION_MINOR 12
 #define LIBAVFORMAT_VERSION_MICRO  0
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
diff --git a/libavutil/avutil.h b/libavutil/avutil.h
index 06c0470ce7..ef7a1459dc 100644
--- a/libavutil/avutil.h
+++ b/libavutil/avutil.h
@@ -69,6 +69,9 @@
 #ifndef FF_API_AV_FIFO_PEEK
 #define FF_API_AV_FIFO_PEEK             (LIBAVUTIL_VERSION_MAJOR < 52)
 #endif
+#ifndef FF_API_OLD_AVOPTIONS
+#define FF_API_OLD_AVOPTIONS            (LIBAVUTIL_VERSION_MAJOR < 52)
+#endif
 
 /**
  * Return the LIBAVUTIL_VERSION_INT constant.
diff --git a/libavutil/opt.c b/libavutil/opt.c
index 43823690aa..2d4f873847 100644
--- a/libavutil/opt.c
+++ b/libavutil/opt.c
@@ -59,7 +59,7 @@ static int av_set_number2(void *obj, const char *name, double num, int den, int6
     void *dst;
     if (o_out)
         *o_out= o;
-    if (!o || o->offset<=0)
+    if (!o)
         return AVERROR_OPTION_NOT_FOUND;
 
     if (o->max*den < num*intnum || o->min*den > num*intnum) {
@@ -123,7 +123,7 @@ int av_set_string3(void *obj, const char *name, const char *val, int alloc, cons
         *o_out = o;
     if (!o)
         return AVERROR_OPTION_NOT_FOUND;
-    if ((!val && o->type != FF_OPT_TYPE_STRING) || o->offset<=0)
+    if (!val && o->type != FF_OPT_TYPE_STRING)
         return AVERROR(EINVAL);
 
     if (o->type == FF_OPT_TYPE_BINARY) {
@@ -233,7 +233,7 @@ const char *av_get_string(void *obj, const char *name, const AVOption **o_out, c
     void *dst;
     uint8_t *bin;
     int len, i;
-    if (!o || o->offset<=0)
+    if (!o)
         return NULL;
     if (o->type != FF_OPT_TYPE_STRING && (!buf || !buf_len))
         return NULL;
@@ -414,18 +414,21 @@ int av_opt_show2(void *obj, void *av_log_obj, int req_flags, int rej_flags)
     return 0;
 }
 
-/** Set the values of the AVCodecContext or AVFormatContext structure.
- * They are set to the defaults specified in the according AVOption options
- * array default_val field.
- *
- * @param s AVCodecContext or AVFormatContext for which the defaults will be set
- */
+void av_opt_set_defaults(void *s)
+{
+#if FF_API_OLD_AVOPTIONS
+    av_opt_set_defaults2(s, 0, 0);
+}
+
 void av_opt_set_defaults2(void *s, int mask, int flags)
 {
+#endif
     const AVOption *opt = NULL;
     while ((opt = av_next_option(s, opt)) != NULL) {
+#if FF_API_OLD_AVOPTIONS
         if ((opt->flags & mask) != flags)
             continue;
+#endif
         switch (opt->type) {
             case FF_OPT_TYPE_CONST:
                 /* Nothing to be done here */
@@ -467,11 +470,6 @@ void av_opt_set_defaults2(void *s, int mask, int flags)
     }
 }
 
-void av_opt_set_defaults(void *s)
-{
-    av_opt_set_defaults2(s, 0, 0);
-}
-
 /**
  * Store the value in the field in ctx that is named like key.
  * ctx must be an AVClass context, storing is done using AVOptions.
@@ -656,7 +654,7 @@ int main(void)
         };
 
         test_ctx.class = &test_class;
-        av_opt_set_defaults2(&test_ctx, 0, 0);
+        av_opt_set_defaults(&test_ctx);
         test_ctx.string = av_strdup("default");
 
         av_log_set_level(AV_LOG_DEBUG);
diff --git a/libavutil/opt.h b/libavutil/opt.h
index efb4408f0d..95ce12c6a7 100644
--- a/libavutil/opt.h
+++ b/libavutil/opt.h
@@ -160,8 +160,17 @@ const AVOption *av_next_option(void *obj, const AVOption *last);
  */
 int av_opt_show2(void *obj, void *av_log_obj, int req_flags, int rej_flags);
 
+/**
+ * Set the values of all AVOption fields to their default values.
+ *
+ * @param s an AVOption-enabled struct (its first member must be a pointer to AVClass)
+ */
 void av_opt_set_defaults(void *s);
+
+#if FF_API_OLD_AVOPTIONS
+attribute_deprecated
 void av_opt_set_defaults2(void *s, int mask, int flags);
+#endif
 
 /**
  * Parse the key/value pairs list in opts. For each key/value pair
diff --git a/tests/ref/lavf/ffm b/tests/ref/lavf/ffm
index b20e132b45..f9a8f6740f 100644
--- a/tests/ref/lavf/ffm
+++ b/tests/ref/lavf/ffm
@@ -1,3 +1,3 @@
-f9bee27ea1b6b83a06b5f9efb0a4ac1f *./tests/data/lavf/lavf.ffm
+58a0235967d10543268184eea50a3b65 *./tests/data/lavf/lavf.ffm
 376832 ./tests/data/lavf/lavf.ffm
 ./tests/data/lavf/lavf.ffm CRC=0xf361ed74