mpeg12enc/mpeg4videoenc: add 'alternate_scan' private option.

Deprecate CODEC_FLAG_ALT_SCAN

libavcodec/avcodec.h

@@ -592,7 +592,9 @@ typedef struct RcOverride{
 #define CODEC_FLAG_NORMALIZE_AQP  0x00020000 ///< Normalize adaptive quantization.
 #define CODEC_FLAG_INTERLACED_DCT 0x00040000 ///< Use interlaced DCT.
 #define CODEC_FLAG_LOW_DELAY      0x00080000 ///< Force low delay.
+#if FF_API_MPEGVIDEO_GLOBAL_OPTS
 #define CODEC_FLAG_ALT_SCAN       0x00100000 ///< Use alternate scan.
+#endif
 #define CODEC_FLAG_GLOBAL_HEADER  0x00400000 ///< Place global headers in extradata instead of every keyframe.
 #define CODEC_FLAG_BITEXACT       0x00800000 ///< Use only bitexact stuff (except (I)DCT).
 /* Fx : Flag for h263+ extra options */

libavcodec/mpeg12enc.c

@@ -946,6 +946,7 @@ static const AVOption mpeg1_options[] = {
 static const AVOption mpeg2_options[] = {
     COMMON_OPTS
     { "non_linear_quant",    "Use nonlinear quantizer.",          OFFSET(q_scale_type),         FF_OPT_TYPE_INT, { 0 }, 0, 1, VE },
+    { "alternate_scan",      "Enable alternate scantable.",       OFFSET(alternate_scan),       FF_OPT_TYPE_INT, { 0 }, 0, 1, VE },
     { NULL },
 };
 

libavcodec/mpeg4videoenc.c

@@ -1280,6 +1280,7 @@ void ff_mpeg4_encode_video_packet_header(MpegEncContext *s)
 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
 static const AVOption options[] = {
     { "data_partitioning",       "Use data partitioning.",      OFFSET(data_partitioning), FF_OPT_TYPE_INT, { 0 }, 0, 1, VE },
+    { "alternate_scan",          "Enable alternate scantable.", OFFSET(alternate_scan),    FF_OPT_TYPE_INT, { 0 }, 0, 1, VE },
     { NULL },
 };
 

libavcodec/mpegvideo_enc.c

@@ -338,8 +338,8 @@ av_cold int MPV_encode_init(AVCodecContext *avctx)
 
     s->obmc= !!(s->flags & CODEC_FLAG_OBMC);
     s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER);
-    s->alternate_scan= !!(s->flags & CODEC_FLAG_ALT_SCAN);
 #if FF_API_MPEGVIDEO_GLOBAL_OPTS
+    s->alternate_scan= !!(s->flags & CODEC_FLAG_ALT_SCAN);
     s->intra_vlc_format= !!(s->flags2 & CODEC_FLAG2_INTRA_VLC);
     s->q_scale_type= !!(s->flags2 & CODEC_FLAG2_NON_LINEAR_QUANT);
 #endif

libavcodec/options.c

@@ -97,7 +97,9 @@ static const AVOption options[]={
 {"naq", "normalize adaptive quantization", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_NORMALIZE_AQP }, INT_MIN, INT_MAX, V|E, "flags"},
 {"ildct", "use interlaced dct", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_INTERLACED_DCT }, INT_MIN, INT_MAX, V|E, "flags"},
 {"low_delay", "force low delay", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_LOW_DELAY }, INT_MIN, INT_MAX, V|D|E, "flags"},
+#if FF_API_MPEGVIDEO_GLOBAL_OPTS
 {"alt", "enable alternate scantable (mpeg2/mpeg4)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_ALT_SCAN }, INT_MIN, INT_MAX, V|E, "flags"},
+#endif
 {"global_header", "place global headers in extradata instead of every keyframe", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_GLOBAL_HEADER }, INT_MIN, INT_MAX, V|A|E, "flags"},
 {"bitexact", "use only bitexact stuff (except (i)dct)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_BITEXACT }, INT_MIN, INT_MAX, A|V|S|D|E, "flags"},
 {"aic", "h263 advanced intra coding / mpeg4 ac prediction", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_AC_PRED }, INT_MIN, INT_MAX, V|E, "flags"},