Merge remote-tracking branch 'qatar/master'

* qatar/master: (31 commits)
  libx264: set default thread count to 0 (auto)
  lavc: cosmetics, group deprecated codec flags
  mpeg12: add 'scan_offset' private option.
  h263/p encoder: add 'structured_slices' private option.
  h263/p encoder: add 'obmc' private option.
  h263p encoder: add 'aiv' private option.
  h263p encoder: add 'umv' private option.
  mpeg12enc/mpeg4videoenc: add 'alternate_scan' private option.
  mjpegdec: add 'extern_huff' private option.
  mpeg4enc: add 'data_partitioning' private option.
  snow: add 'memc_only' private option.
  libx264: add 'mbtree' private option.
  libx264: add 'psy' private option.
  libmp3lame: add 'reservoir' private option.
  mpeg2enc: add 'non_linear_quant' private option
  mpeg12enc: add drop_frame_timecode private option.
  mpeg12enc: add intra_vlc private option.
  VC1: Support dynamic dimension changes
  mjpeg: treat external huffman table setup failure as codec init failure if external huffman table use requested
  lavc: deprecate CODEC_FLAG2_BRDO
  ...

Conflicts:
	avconv.c
	libavcodec/libmp3lame.c
	libavcodec/libx264.c
	libavcodec/mjpegdec.c
	libavcodec/mpeg12enc.c
	libavcodec/mpegvideo.h
	libavcodec/vc1.c
	libavcodec/vc1dec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

avconv.c

@@ -205,7 +205,6 @@ static int exit_on_error = 0;
 static int using_stdin = 0;
 static int verbose = 1;
 static int run_as_daemon  = 0;
-static int thread_count= 1;
 static int q_pressed = 0;
 static int64_t video_size = 0;
 static int64_t audio_size = 0;
@@ -2666,16 +2665,6 @@ static int opt_top_field_first(const char *opt, const char *arg)
     return opt_default(opt, arg);
 }
 
-static int opt_thread_count(const char *opt, const char *arg)
-{
-    thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
-#if !HAVE_THREADS
-    if (verbose >= 0)
-        fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
-#endif
-    return 0;
-}
-
 static int opt_audio_sample_fmt(const char *opt, const char *arg)
 {
     if (strcmp(arg, "list")) {
@@ -2969,8 +2958,6 @@ static void add_input_streams(AVFormatContext *ic)
         InputStream *ist;
         char *scale = NULL;
 
-        dec->thread_count = thread_count;
-
         input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
         ist = &input_streams[nb_input_streams - 1];
         ist->st = st;
@@ -3264,8 +3251,6 @@ static OutputStream *new_video_stream(AVFormatContext *oc)
     ost->bitstream_filters = video_bitstream_filters;
     video_bitstream_filters= NULL;
 
-    st->codec->thread_count= thread_count;
-
     video_enc = st->codec;
 
     if(video_codec_tag)
@@ -3370,8 +3355,6 @@ static OutputStream *new_audio_stream(AVFormatContext *oc)
     ost->bitstream_filters = audio_bitstream_filters;
     audio_bitstream_filters= NULL;
 
-    st->codec->thread_count= thread_count;
-
     audio_enc = st->codec;
     audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
 
@@ -4191,7 +4174,6 @@ static const OptionDef options[] = {
     { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
     { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
     { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
-    { "threads",  HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
     { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
     { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
     { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },

libavcodec/avcodec.h

@@ -574,7 +574,6 @@ typedef struct RcOverride{
 #define CODEC_FLAG_QPEL   0x0010  ///< Use qpel MC.
 #define CODEC_FLAG_GMC    0x0020  ///< Use GMC.
 #define CODEC_FLAG_MV0    0x0040  ///< Always try a MB with MV=<0,0>.
-#define CODEC_FLAG_PART   0x0080  ///< Use data partitioning.
 /**
  * The parent program guarantees that the input for B-frames containing
  * streams is not written to for at least s->max_b_frames+1 frames, if
@@ -583,7 +582,6 @@ typedef struct RcOverride{
 #define CODEC_FLAG_INPUT_PRESERVED 0x0100
 #define CODEC_FLAG_PASS1           0x0200   ///< Use internal 2pass ratecontrol in first pass mode.
 #define CODEC_FLAG_PASS2           0x0400   ///< Use internal 2pass ratecontrol in second pass mode.
-#define CODEC_FLAG_EXTERN_HUFF     0x1000   ///< Use external Huffman table (for MJPEG).
 #define CODEC_FLAG_GRAY            0x2000   ///< Only decode/encode grayscale.
 #define CODEC_FLAG_EMU_EDGE        0x4000   ///< Don't draw edges.
 #define CODEC_FLAG_PSNR            0x8000   ///< error[?] variables will be set during encoding.
@@ -592,25 +590,42 @@ 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.
-#define CODEC_FLAG_ALT_SCAN       0x00100000 ///< Use alternate scan.
 #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 */
 #define CODEC_FLAG_AC_PRED        0x01000000 ///< H.263 advanced intra coding / MPEG-4 AC prediction
-#define CODEC_FLAG_H263P_UMV      0x02000000 ///< unlimited motion vector
 #define CODEC_FLAG_CBP_RD         0x04000000 ///< Use rate distortion optimization for cbp.
 #define CODEC_FLAG_QP_RD          0x08000000 ///< Use rate distortion optimization for qp selectioon.
-#define CODEC_FLAG_H263P_AIV      0x00000008 ///< H.263 alternative inter VLC
-#define CODEC_FLAG_OBMC           0x00000001 ///< OBMC
 #define CODEC_FLAG_LOOP_FILTER    0x00000800 ///< loop filter
-#define CODEC_FLAG_H263P_SLICE_STRUCT 0x10000000
 #define CODEC_FLAG_INTERLACED_ME  0x20000000 ///< interlaced motion estimation
-#define CODEC_FLAG_SVCD_SCAN_OFFSET 0x40000000 ///< Will reserve space for SVCD scan offset user data.
 #define CODEC_FLAG_CLOSED_GOP     0x80000000
 #define CODEC_FLAG2_FAST          0x00000001 ///< Allow non spec compliant speedup tricks.
 #define CODEC_FLAG2_STRICT_GOP    0x00000002 ///< Strictly enforce GOP size.
 #define CODEC_FLAG2_NO_OUTPUT     0x00000004 ///< Skip bitstream encoding.
 #define CODEC_FLAG2_LOCAL_HEADER  0x00000008 ///< Place global headers at every keyframe instead of in extradata.
+#define CODEC_FLAG2_SKIP_RD       0x00004000 ///< RD optimal MB level residual skipping
+#define CODEC_FLAG2_CHUNKS        0x00008000 ///< Input bitstream might be truncated at a packet boundaries instead of only at frame boundaries.
+/**
+ * @defgroup deprecated_flags Deprecated codec flags
+ * Use corresponding private codec options instead.
+ * @{
+ */
+#if FF_API_MPEGVIDEO_GLOBAL_OPTS
+#define CODEC_FLAG_OBMC           0x00000001 ///< OBMC
+#define CODEC_FLAG_H263P_AIV      0x00000008 ///< H.263 alternative inter VLC
+#define CODEC_FLAG_PART   0x0080  ///< Use data partitioning.
+#define CODEC_FLAG_ALT_SCAN       0x00100000 ///< Use alternate scan.
+#define CODEC_FLAG_H263P_UMV      0x02000000 ///< unlimited motion vector
+#define CODEC_FLAG_H263P_SLICE_STRUCT 0x10000000
+#define CODEC_FLAG_SVCD_SCAN_OFFSET 0x40000000 ///< Will reserve space for SVCD scan offset user data.
+#define CODEC_FLAG2_INTRA_VLC     0x00000800 ///< Use MPEG-2 intra VLC table.
+#define CODEC_FLAG2_DROP_FRAME_TIMECODE 0x00002000 ///< timecode is in drop frame format.
+#define CODEC_FLAG2_NON_LINEAR_QUANT 0x00010000 ///< Use MPEG-2 nonlinear quantizer.
+#endif
+#if FF_API_MJPEG_GLOBAL_OPTS
+#define CODEC_FLAG_EXTERN_HUFF     0x1000   ///< Use external Huffman table (for MJPEG).
+#endif
+#if FF_API_X264_GLOBAL_OPTS
 #define CODEC_FLAG2_BPYRAMID      0x00000010 ///< H.264 allow B-frames to be used as references.
 #define CODEC_FLAG2_WPRED         0x00000020 ///< H.264 weighted biprediction for B-frames
 #define CODEC_FLAG2_MIXED_REFS    0x00000040 ///< H.264 one reference per partition, as opposed to one reference per macroblock
@@ -618,17 +633,20 @@ typedef struct RcOverride{
 #define CODEC_FLAG2_FASTPSKIP     0x00000100 ///< H.264 fast pskip
 #define CODEC_FLAG2_AUD           0x00000200 ///< H.264 access unit delimiters
 #define CODEC_FLAG2_BRDO          0x00000400 ///< B-frame rate-distortion optimization
-#define CODEC_FLAG2_INTRA_VLC     0x00000800 ///< Use MPEG-2 intra VLC table.
-#define CODEC_FLAG2_MEMC_ONLY     0x00001000 ///< Only do ME/MC (I frames -> ref, P frame -> ME+MC).
-#define CODEC_FLAG2_DROP_FRAME_TIMECODE 0x00002000 ///< timecode is in drop frame format.
-#define CODEC_FLAG2_SKIP_RD       0x00004000 ///< RD optimal MB level residual skipping
-#define CODEC_FLAG2_CHUNKS        0x00008000 ///< Input bitstream might be truncated at a packet boundaries instead of only at frame boundaries.
-#define CODEC_FLAG2_NON_LINEAR_QUANT 0x00010000 ///< Use MPEG-2 nonlinear quantizer.
-#define CODEC_FLAG2_BIT_RESERVOIR 0x00020000 ///< Use a bit reservoir when encoding if possible
 #define CODEC_FLAG2_MBTREE        0x00040000 ///< Use macroblock tree ratecontrol (x264 only)
 #define CODEC_FLAG2_PSY           0x00080000 ///< Use psycho visual optimizations.
 #define CODEC_FLAG2_SSIM          0x00100000 ///< Compute SSIM during encoding, error[] values are undefined.
 #define CODEC_FLAG2_INTRA_REFRESH 0x00200000 ///< Use periodic insertion of intra blocks instead of keyframes.
+#endif
+#if FF_API_SNOW_GLOBAL_OPTS
+#define CODEC_FLAG2_MEMC_ONLY     0x00001000 ///< Only do ME/MC (I frames -> ref, P frame -> ME+MC).
+#endif
+#if FF_API_LAME_GLOBAL_OPTS
+#define CODEC_FLAG2_BIT_RESERVOIR 0x00020000 ///< Use a bit reservoir when encoding if possible
+#endif
+/**
+ * @}
+ */
 
 /* Unsupported options :
  *              Syntax Arithmetic coding (SAC)
@@ -2326,8 +2344,7 @@ typedef struct AVCodecContext {
      int lowres;
 
     /**
-     * Bitstream width / height, may be different from width/height if lowres
-     * or other things are used.
+     * Bitstream width / height, may be different from width/height if lowres enabled.
      * - encoding: unused
      * - decoding: Set by user before init if known. Codec should override / dynamically change if needed.
      */

libavcodec/libmp3lame.c

@@ -25,12 +25,15 @@
  */
 
 #include "libavutil/intreadwrite.h"
+#include "libavutil/log.h"
+#include "libavutil/opt.h"
 #include "avcodec.h"
 #include "mpegaudio.h"
 #include <lame/lame.h>
 
 #define BUFFER_SIZE (7200 + 2*MPA_FRAME_SIZE + MPA_FRAME_SIZE/4)
 typedef struct Mp3AudioContext {
+    AVClass *class;
     lame_global_flags *gfp;
     int stereo;
     uint8_t buffer[BUFFER_SIZE];
@@ -39,6 +42,7 @@ typedef struct Mp3AudioContext {
         int *left;
         int *right;
     } s32_data;
+    int reservoir;
 } Mp3AudioContext;
 
 static av_cold int MP3lame_encode_init(AVCodecContext *avctx)
@@ -68,7 +72,10 @@ static av_cold int MP3lame_encode_init(AVCodecContext *avctx)
         lame_set_VBR_quality(s->gfp, avctx->global_quality/(float)FF_QP2LAMBDA);
     }
     lame_set_bWriteVbrTag(s->gfp,0);
-    lame_set_disable_reservoir(s->gfp, avctx->flags2 & CODEC_FLAG2_BIT_RESERVOIR ? 0 : 1);
+#if FF_API_LAME_GLOBAL_OPTIONS
+    s->reservoir = avctx->flags2 & CODEC_FLAG2_BIT_RESERVOIR;
+#endif
+    lame_set_disable_reservoir(s->gfp, !s->reservoir);
     if (lame_init_params(s->gfp) < 0)
         goto err_close;
 
@@ -267,6 +274,19 @@ static av_cold int MP3lame_encode_close(AVCodecContext *avctx)
     return 0;
 }
 
+#define OFFSET(x) offsetof(Mp3AudioContext, x)
+#define AE AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+    { "reservoir",      "Use bit reservoir.",   OFFSET(reservoir),  FF_OPT_TYPE_INT, { 1 }, 0, 1, AE },
+    { NULL },
+};
+
+static const AVClass libmp3lame_class = {
+    .class_name = "libmp3lame encoder",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
 
 AVCodec ff_libmp3lame_encoder = {
     .name           = "libmp3lame",
@@ -284,4 +304,5 @@ AVCodec ff_libmp3lame_encoder = {
     AV_SAMPLE_FMT_NONE},
     .supported_samplerates= sSampleRates,
     .long_name= NULL_IF_CONFIG_SMALL("libmp3lame MP3 (MPEG audio layer 3)"),
+    .priv_class     = &libmp3lame_class,
 };

libavcodec/mjpegdec.c

@@ -35,6 +35,7 @@
 
 #include "libavutil/imgutils.h"
 #include "libavutil/avassert.h"
+#include "libavutil/opt.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "mjpeg.h"
@@ -98,13 +99,17 @@ av_cold int ff_mjpeg_decode_init(AVCodecContext *avctx)
 
     build_basic_mjpeg_vlc(s);
 
+#if FF_API_MJPEG_GLOBAL_OPTS
     if (avctx->flags & CODEC_FLAG_EXTERN_HUFF)
+        s->extern_huff = 1;
+#endif
+    if (s->extern_huff)
     {
         av_log(avctx, AV_LOG_INFO, "mjpeg: using external huffman table\n");
         init_get_bits(&s->gb, avctx->extradata, avctx->extradata_size*8);
         if (ff_mjpeg_decode_dht(s)) {
-            av_log(avctx, AV_LOG_ERROR, "mjpeg: error using external huffman table, switching back to internal\n");
-            build_basic_mjpeg_vlc(s);
+            av_log(avctx, AV_LOG_ERROR, "mjpeg: error using external huffman table\n");
+            return AVERROR_INVALIDDATA;
         }
     }
     if (avctx->extradata_size > 9 &&
@@ -1578,6 +1583,20 @@ av_cold int ff_mjpeg_decode_end(AVCodecContext *avctx)
     return 0;
 }
 
+#define OFFSET(x) offsetof(MJpegDecodeContext, x)
+#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
+static const AVOption options[] = {
+    { "extern_huff",        "Use external huffman table.",  OFFSET(extern_huff), FF_OPT_TYPE_INT, { 0 }, 0, 1, VD },
+    { NULL },
+};
+
+static const AVClass mjpegdec_class = {
+    .class_name = "MJPEG decoder",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
 AVCodec ff_mjpeg_decoder = {
     .name           = "mjpeg",
     .type           = AVMEDIA_TYPE_VIDEO,
@@ -1589,6 +1608,7 @@ AVCodec ff_mjpeg_decoder = {
     .capabilities   = CODEC_CAP_DR1,
     .max_lowres = 3,
     .long_name = NULL_IF_CONFIG_SMALL("MJPEG (Motion JPEG)"),
+    .priv_class     = &mjpegdec_class,
 };
 
 AVCodec ff_thp_decoder = {

libavcodec/mjpegdec.h

@@ -29,6 +29,8 @@
 #ifndef AVCODEC_MJPEGDEC_H
 #define AVCODEC_MJPEGDEC_H
 
+#include "libavutil/log.h"
+
 #include "avcodec.h"
 #include "get_bits.h"
 #include "dsputil.h"
@@ -36,6 +38,7 @@
 #define MAX_COMPONENTS 4
 
 typedef struct MJpegDecodeContext {
+    AVClass *class;
     AVCodecContext *avctx;
     GetBitContext gb;
 
@@ -106,6 +109,8 @@ typedef struct MJpegDecodeContext {
 
     uint16_t (*ljpeg_buffer)[4];
     unsigned int ljpeg_buffer_size;
+
+    int extern_huff;
 } MJpegDecodeContext;
 
 int ff_mjpeg_decode_init(AVCodecContext *avctx);

libavcodec/mpeg12enc.c

@@ -33,8 +33,9 @@
 #include "mpeg12data.h"
 #include "bytestream.h"
 #include "timecode.h"
+#include "libavutil/log.h"
 #include "libavutil/opt.h"
-
+#include "libavutil/avassert.h"
 
 static const uint8_t inv_non_linear_qscale[13] = {
     0, 2, 4, 6, 8,
@@ -142,6 +143,13 @@ static av_cold int encode_init(AVCodecContext *avctx)
     if(MPV_encode_init(avctx) < 0)
         return -1;
 
+#if FF_API_MPEGVIDEO_GLOBAL_OPTS
+    if (avctx->flags2 & CODEC_FLAG2_DROP_FRAME_TIMECODE)
+        s->drop_frame_timecode = 1;
+    if (avctx->flags & CODEC_FLAG_SVCD_SCAN_OFFSET)
+        s->scan_offset = 1;
+#endif
+
     if(find_frame_rate_index(s) < 0){
         if(s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL){
             av_log(avctx, AV_LOG_ERROR, "MPEG1/2 does not support %d/%d fps\n", avctx->time_base.den, avctx->time_base.num);
@@ -174,8 +182,8 @@ static av_cold int encode_init(AVCodecContext *avctx)
         }
     }
 
-    s->tc.drop = !!(avctx->flags2 & CODEC_FLAG2_DROP_FRAME_TIMECODE);
-    if((avctx->flags2 & CODEC_FLAG2_DROP_FRAME_TIMECODE) && s->frame_rate_index != 4){
+    s->drop_frame_timecode = s->tc.drop = s->drop_frame_timecode || !!(avctx->flags2 & CODEC_FLAG2_DROP_FRAME_TIMECODE);
+    if (s->drop_frame_timecode && s->frame_rate_index != 4) {
         av_log(avctx, AV_LOG_ERROR, "Drop frame time code only allowed with 1001/30000 fps\n");
         return -1;
     }
@@ -292,13 +300,14 @@ static void mpeg1_encode_sequence_header(MpegEncContext *s)
             }
 
             put_header(s, GOP_START_CODE);
-            put_bits(&s->pb, 1, s->tc.drop);
+            put_bits(&s->pb, 1, s->drop_frame_timecode); /* drop frame flag */
             /* time code : we must convert from the real frame rate to a
                fake mpeg frame rate in case of low frame rate */
             fps = (framerate.num + framerate.den/2)/ framerate.den;
             time_code = s->current_picture_ptr->f.coded_picture_number + s->avctx->timecode_frame_start;
 
             s->gop_picture_number = s->current_picture_ptr->f.coded_picture_number;
+            av_assert0(s->drop_frame_timecode == s->tc.drop);
             if (s->tc.drop)
                 time_code = ff_framenum_to_drop_timecode(time_code);
             put_bits(&s->pb, 5, (uint32_t)((time_code / (fps * 3600)) % 24));
@@ -417,7 +426,7 @@ void mpeg1_encode_picture_header(MpegEncContext *s, int picture_number)
         put_bits(&s->pb, 1, s->progressive_frame);
         put_bits(&s->pb, 1, 0); //composite_display_flag
     }
-    if(s->flags & CODEC_FLAG_SVCD_SCAN_OFFSET){
+    if (s->scan_offset) {
         int i;
 
         put_header(s, USER_START_CODE);
@@ -929,17 +938,38 @@ static void mpeg1_encode_block(MpegEncContext *s,
     put_bits(&s->pb, table_vlc[112][1], table_vlc[112][0]);
 }
 
-static const AVClass class = {
-    .class_name = "mpegvideo",
-    .item_name  = av_default_item_name,
-    .version    = LIBAVUTIL_VERSION_INT,
-    .option     = (const AVOption[]){
-        {TIMECODE_OPT(MpegEncContext,
-         AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)},
-        {NULL}
-    },
+#define OFFSET(x) offsetof(MpegEncContext, x)
+#define VE AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM
+#define COMMON_OPTS\
+        {TIMECODE_OPT(MpegEncContext,\
+         AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)},\
+    { "intra_vlc",           "Use MPEG-2 intra VLC table.",       OFFSET(intra_vlc_format),    FF_OPT_TYPE_INT, { 0 }, 0, 1, VE },\
+    { "drop_frame_timecode", "Timecode is in drop frame format.", OFFSET(drop_frame_timecode), FF_OPT_TYPE_INT, { 0 }, 0, 1, VE}, \
+    { "scan_offset",         "Reserve space for SVCD scan offset user data.", OFFSET(scan_offset), FF_OPT_TYPE_INT, { 0 }, 0, 1, VE },
+
+static const AVOption mpeg1_options[] = {
+    COMMON_OPTS
+    { NULL },
+};
+
+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 },
 };
 
+#define mpeg12_class(x)\
+static const AVClass mpeg## x ##_class = {\
+    .class_name   = "mpeg" #x "video encoder",\
+    .item_name    = av_default_item_name,\
+    .option       = mpeg## x ##_options,\
+    .version      = LIBAVUTIL_VERSION_INT,\
+};
+
+mpeg12_class(1)
+mpeg12_class(2)
+
 AVCodec ff_mpeg1video_encoder = {
     .name           = "mpeg1video",
     .type           = AVMEDIA_TYPE_VIDEO,
@@ -952,7 +982,7 @@ AVCodec ff_mpeg1video_encoder = {
     .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
     .capabilities= CODEC_CAP_DELAY | CODEC_CAP_SLICE_THREADS,
     .long_name= NULL_IF_CONFIG_SMALL("MPEG-1 video"),
-    .priv_class = &class,
+    .priv_class     = &mpeg1_class,
 };
 
 AVCodec ff_mpeg2video_encoder = {
@@ -967,5 +997,5 @@ AVCodec ff_mpeg2video_encoder = {
     .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE},
     .capabilities= CODEC_CAP_DELAY | CODEC_CAP_SLICE_THREADS,
     .long_name= NULL_IF_CONFIG_SMALL("MPEG-2 video"),
-    .priv_class = &class,
+    .priv_class     = &mpeg2_class,
 };

libavcodec/mpeg4videoenc.c

@@ -20,6 +20,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/log.h"
+#include "libavutil/opt.h"
 #include "mpegvideo.h"
 #include "h263.h"
 #include "mpeg4video.h"
@@ -1284,6 +1286,21 @@ void ff_mpeg4_encode_video_packet_header(MpegEncContext *s)
     put_bits(&s->pb, 1, 0); /* no HEC */
 }
 
+#define OFFSET(x) offsetof(MpegEncContext, x)
+#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 },
+};
+
+static const AVClass mpeg4enc_class = {
+    .class_name = "MPEG4 encoder",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
 AVCodec ff_mpeg4_encoder = {
     .name           = "mpeg4",
     .type           = AVMEDIA_TYPE_VIDEO,
@@ -1295,4 +1312,5 @@ AVCodec ff_mpeg4_encoder = {
     .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
     .capabilities= CODEC_CAP_DELAY | CODEC_CAP_SLICE_THREADS,
     .long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2"),
+    .priv_class     = &mpeg4enc_class,
 };

libavcodec/mpegvideo.h

@@ -200,7 +200,7 @@ typedef struct MotionEstContext{
  * MpegEncContext.
  */
 typedef struct MpegEncContext {
-    AVClass *av_class;
+    AVClass *class;
     struct AVCodecContext *avctx;
     /* the following parameters must be initialized before encoding */
     int width, height;///< picture size. must be a multiple of 16
@@ -645,6 +645,8 @@ typedef struct MpegEncContext {
     int interlaced_dct;
     int first_slice;
     int first_field;         ///< is 1 for the first field of a field picture 0 otherwise
+    int drop_frame_timecode; ///< timecode is in drop frame format.
+    int scan_offset;         ///< reserve space for SVCD scan offset user data.
 
     /* RTP specific */
     int rtp_mode;

libavcodec/mpegvideo_enc.c

@@ -29,6 +29,7 @@
 
 #include "libavutil/intmath.h"
 #include "libavutil/mathematics.h"
+#include "libavutil/opt.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "mpegvideo.h"
@@ -305,7 +306,10 @@ av_cold int MPV_encode_init(AVCodecContext *avctx)
     s->luma_elim_threshold  = avctx->luma_elim_threshold;
     s->chroma_elim_threshold= avctx->chroma_elim_threshold;
     s->strict_std_compliance= avctx->strict_std_compliance;
-    s->data_partitioning= avctx->flags & CODEC_FLAG_PART;
+#if FF_API_MPEGVIDEO_GLOBAL_OPTS
+    if (avctx->flags & CODEC_FLAG_PART)
+        s->data_partitioning = 1;
+#endif
     s->quarter_sample= (avctx->flags & CODEC_FLAG_QPEL)!=0;
     s->mpeg_quant= avctx->mpeg_quant;
     s->rtp_mode= !!avctx->rtp_payload_size;
@@ -333,11 +337,13 @@ av_cold int MPV_encode_init(AVCodecContext *avctx)
                         || (s->flags&CODEC_FLAG_QP_RD))
                        && !s->fixed_qscale;
 
-    s->obmc= !!(s->flags & CODEC_FLAG_OBMC);
     s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER);
+#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);
+    s->obmc= !!(s->flags & CODEC_FLAG_OBMC);
+#endif
 
     if(avctx->rc_max_rate && !avctx->rc_buffer_size){
         av_log(avctx, AV_LOG_ERROR, "a vbv buffer size is needed, for encoding with a maximum bitrate\n");
@@ -390,20 +396,24 @@ av_cold int MPV_encode_init(AVCodecContext *avctx)
         return -1;
     }
 
+#if FF_API_MPEGVIDEO_GLOBAL_OPTS
     if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){
         av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with H263(+)\n");
         return -1;
     }
+#endif
 
     if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){
         av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
         return -1;
     }
 
+#if FF_API_MPEGVIDEO_GLOBAL_OPTS
     if(s->data_partitioning && s->codec_id != CODEC_ID_MPEG4){
         av_log(avctx, AV_LOG_ERROR, "data partitioning not supported by codec\n");
         return -1;
     }
+#endif
 
     if(s->max_b_frames && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO){
         av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n");
@@ -461,10 +471,12 @@ av_cold int MPV_encode_init(AVCodecContext *avctx)
     }
 
     if(s->q_scale_type == 1){
+#if FF_API_MPEGVIDEO_GLOBAL_OPTS
         if(s->codec_id != CODEC_ID_MPEG2VIDEO){
             av_log(avctx, AV_LOG_ERROR, "non linear quant is only available for mpeg2\n");
             return -1;
         }
+#endif
         if(avctx->qmax > 12){
             av_log(avctx, AV_LOG_ERROR, "non linear quant only supports qmax <= 12 currently\n");
             return -1;
@@ -588,7 +600,6 @@ av_cold int MPV_encode_init(AVCodecContext *avctx)
             return -1;
         }
         s->out_format = FMT_H263;
-        s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
         avctx->delay=0;
         s->low_delay=1;
         break;
@@ -596,14 +607,18 @@ av_cold int MPV_encode_init(AVCodecContext *avctx)
         s->out_format = FMT_H263;
         s->h263_plus = 1;
         /* Fx */
-        s->umvplus = (avctx->flags & CODEC_FLAG_H263P_UMV) ? 1:0;
+#if FF_API_MPEGVIDEO_GLOBAL_OPTS
+        if (avctx->flags & CODEC_FLAG_H263P_UMV)
+            s->umvplus = 1;
+        if (avctx->flags & CODEC_FLAG_H263P_AIV)
+            s->alt_inter_vlc = 1;
+        if (avctx->flags & CODEC_FLAG_H263P_SLICE_STRUCT)
+            s->h263_slice_structured = 1;
+#endif
         s->h263_aic= (avctx->flags & CODEC_FLAG_AC_PRED) ? 1:0;
         s->modified_quant= s->h263_aic;
-        s->alt_inter_vlc= (avctx->flags & CODEC_FLAG_H263P_AIV) ? 1:0;
-        s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
         s->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0;
         s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
-        s->h263_slice_structured= (s->flags & CODEC_FLAG_H263P_SLICE_STRUCT) ? 1:0;
 
         /* /Fx */
         /* These are just to be sure */
@@ -3769,6 +3784,21 @@ int dct_quantize_c(MpegEncContext *s,
     return last_non_zero;
 }
 
+#define OFFSET(x) offsetof(MpegEncContext, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption h263_options[] = {
+    { "obmc",         "use overlapped block motion compensation.", OFFSET(obmc), FF_OPT_TYPE_INT, { 0 }, 0, 1, VE },
+    { "structured_slices","Write slice start position at every GOB header instead of just GOB number.", OFFSET(h263_slice_structured), FF_OPT_TYPE_INT, { 0 }, 0, 1, VE},
+    { NULL },
+};
+
+static const AVClass h263_class = {
+    .class_name = "H.263 encoder",
+    .item_name  = av_default_item_name,
+    .option     = h263_options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
 AVCodec ff_h263_encoder = {
     .name           = "h263",
     .type           = AVMEDIA_TYPE_VIDEO,
@@ -3779,6 +3809,21 @@ AVCodec ff_h263_encoder = {
     .close          = MPV_encode_end,
     .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
     .long_name= NULL_IF_CONFIG_SMALL("H.263 / H.263-1996"),
+    .priv_class     = &h263_class,
+};
+
+static const AVOption h263p_options[] = {
+    { "umv",        "Use unlimited motion vectors.",    OFFSET(umvplus), FF_OPT_TYPE_INT, { 0 }, 0, 1, VE },
+    { "aiv",        "Use alternative inter VLC.",       OFFSET(alt_inter_vlc), FF_OPT_TYPE_INT, { 0 }, 0, 1, VE },
+    { "obmc",       "use overlapped block motion compensation.", OFFSET(obmc), FF_OPT_TYPE_INT, { 0 }, 0, 1, VE },
+    { "structured_slices", "Write slice start position at every GOB header instead of just GOB number.", OFFSET(h263_slice_structured), FF_OPT_TYPE_INT, { 0 }, 0, 1, VE},
+    { NULL },
+};
+static const AVClass h263p_class = {
+    .class_name = "H.263p encoder",
+    .item_name  = av_default_item_name,
+    .option     = h263p_options,
+    .version    = LIBAVUTIL_VERSION_INT,
 };
 
 AVCodec ff_h263p_encoder = {
@@ -3792,6 +3837,7 @@ AVCodec ff_h263p_encoder = {
     .capabilities = CODEC_CAP_SLICE_THREADS,
     .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
     .long_name= NULL_IF_CONFIG_SMALL("H.263+ / H.263-1998 / H.263 version 2"),
+    .priv_class     = &h263p_class,
 };
 
 AVCodec ff_msmpeg4v2_encoder = {

libavcodec/mxpegdec.c

@@ -47,9 +47,7 @@ static av_cold int mxpeg_decode_init(AVCodecContext *avctx)
 
     s->picture[0].reference = s->picture[1].reference = 3;
     s->jpg.picture_ptr      = &s->picture[0];
-    ff_mjpeg_decode_init(avctx);
-
-    return 0;
+    return ff_mjpeg_decode_init(avctx);
 }
 
 static int mxpeg_decode_app(MXpegDecodeContext *s,

libavcodec/snow.c

@@ -19,6 +19,8 @@
  */
 
 #include "libavutil/intmath.h"
+#include "libavutil/log.h"
+#include "libavutil/opt.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "dwt.h"
@@ -199,7 +201,7 @@ typedef struct Plane{
 }Plane;
 
 typedef struct SnowContext{
-
+    AVClass *class;
     AVCodecContext *avctx;
     RangeCoder c;
     DSPContext dsp;
@@ -252,6 +254,7 @@ typedef struct SnowContext{
     int me_cache[ME_CACHE_SIZE];
     int me_cache_generation;
     slice_buffer sb;
+    int memc_only;
 
     MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to eventually make the motion estimation independent of MpegEncContext, so this will be removed then (FIXME/XXX)
 
@@ -3518,7 +3521,7 @@ redo_frame:
         int x, y;
 //        int bits= put_bits_count(&s->c.pb);
 
-        if(!(avctx->flags2 & CODEC_FLAG2_MEMC_ONLY)){
+        if (!s->memc_only) {
             //FIXME optimize
             if(pict->data[plane_index]) //FIXME gray hack
                 for(y=0; y<h; y++){
@@ -3676,6 +3679,20 @@ static av_cold int encode_end(AVCodecContext *avctx)
     return 0;
 }
 
+#define OFFSET(x) offsetof(SnowContext, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+    { "memc_only",      "Only do ME/MC (I frames -> ref, P frame -> ME+MC).",   OFFSET(memc_only), FF_OPT_TYPE_INT, { 0 }, 0, 1, VE },
+    { NULL },
+};
+
+static const AVClass snowenc_class = {
+    .class_name = "snow encoder",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
 AVCodec ff_snow_encoder = {
     .name           = "snow",
     .type           = AVMEDIA_TYPE_VIDEO,
@@ -3685,6 +3702,7 @@ AVCodec ff_snow_encoder = {
     .encode         = encode_frame,
     .close          = encode_end,
     .long_name = NULL_IF_CONFIG_SMALL("Snow"),
+    .priv_class     = &snowenc_class,
 };
 #endif
 

libavcodec/vc1.c

@@ -454,9 +454,6 @@ static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb)
     v->finterpflag = get_bits1(gb);
     skip_bits1(gb); // reserved
 
-    v->s.h_edge_pos = w;
-    v->s.v_edge_pos = h;
-
     av_log(v->s.avctx, AV_LOG_DEBUG,
                "Advanced Profile level %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n"
                "LoopFilter=%i, ChromaFormat=%i, Pulldown=%i, Interlace: %i\n"
@@ -475,10 +472,9 @@ static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb)
     if(get_bits1(gb)) { //Display Info - decoding is not affected by it
         int dw, dh, ar = 0;
         av_log(v->s.avctx, AV_LOG_DEBUG, "Display extended info:\n");
-        dw = get_bits(gb, 14) + 1;
-        dh = get_bits(gb, 14) + 1;
-        v->s.avctx->sample_aspect_ratio = av_div_q((AVRational){dw, dh}, (AVRational){w, h});
-        av_log(v->s.avctx, AV_LOG_DEBUG, "Display dimensions: %ix%i\n", dw, dh);
+        w = get_bits(gb, 14) + 1;
+        h = get_bits(gb, 14) + 1;
+        av_log(v->s.avctx, AV_LOG_DEBUG, "Display dimensions: %ix%i\n", w, h);
         if(get_bits1(gb))
             ar = get_bits(gb, 4);
         if(ar && ar < 14){
@@ -487,6 +483,12 @@ static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb)
             w = get_bits(gb, 8) + 1;
             h = get_bits(gb, 8) + 1;
             v->s.avctx->sample_aspect_ratio = (AVRational){w, h};
+        } else {
+            av_reduce(&v->s.avctx->sample_aspect_ratio.num,
+                      &v->s.avctx->sample_aspect_ratio.den,
+                      v->s.avctx->height * w,
+                      v->s.avctx->width * h,
+                      1<<30);
         }
         av_log(v->s.avctx, AV_LOG_DEBUG, "Aspect: %i:%i\n", v->s.avctx->sample_aspect_ratio.num, v->s.avctx->sample_aspect_ratio.den);
 

libavcodec/version.h

@@ -86,5 +86,17 @@
 #ifndef FF_API_X264_GLOBAL_OPTS
 #define FF_API_X264_GLOBAL_OPTS (LIBAVCODEC_VERSION_MAJOR < 54)
 #endif
+#ifndef FF_API_MPEGVIDEO_GLOBAL_OPTS
+#define FF_API_MPEGVIDEO_GLOBAL_OPTS (LIBAVCODEC_VERSION_MAJOR < 54)
+#endif
+#ifndef FF_API_LAME_GLOBAL_OPTS
+#define FF_API_LAME_GLOBAL_OPTS  (LIBAVCODEC_VERSION_MAJOR < 54)
+#endif
+#ifndef FF_API_SNOW_GLOBAL_OPTS
+#define FF_API_SNOW_GLOBAL_OPTS  (LIBAVCODEC_VERSION_MAJOR < 54)
+#endif
+#ifndef FF_API_MJPEG_GLOBAL_OPTS
+#define FF_API_MJPEG_GLOBAL_OPTS (LIBAVCODEC_VERSION_MAJOR < 54)
+#endif
 
 #endif /* AVCODEC_VERSION_H */