--- /home/melanson/projects/ffmpeg/libavcodec/avcodec.h	2006-08-01 20:03:33.000000000 -0700
+++ libavcodec/avcodec.h	2006-08-01 20:55:16.000000000 -0700
@@ -27,6 +27,13 @@
 #define AV_TIME_BASE            1000000
 #define AV_TIME_BASE_Q          (AVRational){1, AV_TIME_BASE}
 
+/* FIXME: We cannot use ffmpeg's XvMC capabilities, since that would require
+ * linking the ffmpeg plugin against XvMC libraries, which is a bad thing,
+ * since they are output dependend.
+ * The correct fix would be to reimplement the XvMC functions libavcodec uses
+ * and do the necessary talking with our XvMC output plugin there. */
+#undef HAVE_XVMC
+
 enum CodecID {
     CODEC_ID_NONE,
     CODEC_ID_MPEG1VIDEO,
@@ -2629,6 +2636,13 @@
 
 extern unsigned int av_xiphlacing(unsigned char *s, unsigned int v);
 
+/* unused static macro */
+#if defined(__GNUC__) && !defined(DEBUG)
+/* since we do not compile the encoder part of ffmpeg, some static
+ * functions will be unused; this is ok, the compiler will take care */
+#  define static static __attribute__((__unused__))
+#endif
+
 #ifdef __cplusplus
 }
 #endif

--- /home/melanson/projects/ffmpeg/libavcodec/dsputil.h	2006-08-01 20:03:33.000000000 -0700
+++ libavcodec/dsputil.h	2006-08-01 20:55:16.000000000 -0700
@@ -31,6 +31,9 @@
 #include "common.h"
 #include "avcodec.h"
 
+#if defined(ARCH_X86) || defined(ARCH_X86_64)
+#define HAVE_MMX 1
+#endif
 
 //#define DEBUG
 /* dct code */

--- /home/melanson/projects/ffmpeg/libavcodec/motion_est.c	2006-07-02 20:16:54.000000000 -0700
+++ libavcodec/motion_est.c	2006-08-01 21:18:45.000000000 -0700
@@ -21,6 +21,9 @@
  * new Motion Estimation (X1/EPZS) by Michael Niedermayer <michaelni@gmx.at>
  */
 
+/* motion estimation only needed for encoders */
+#ifdef CONFIG_ENCODERS
+
 /**
  * @file motion_est.c
  * Motion estimation.
@@ -2113,3 +2116,5 @@
         }
     }
 }
+
+#endif /* CONFIG_ENCODERS */

--- /home/melanson/projects/ffmpeg/libavcodec/mpeg12.c	2006-07-02 20:16:54.000000000 -0700
+++ libavcodec/mpeg12.c	2006-08-01 21:18:45.000000000 -0700
@@ -34,6 +34,13 @@
 //#include <assert.h>
 
 
+/* if xine's MPEG encoder is enabled, enable the encoding features in
+ * this particular module */
+#if defined(XINE_MPEG_ENCODER) && !defined(CONFIG_ENCODERS)
+#define CONFIG_ENCODERS
+#endif
+
+
 /* Start codes. */
 #define SEQ_END_CODE            0x000001b7
 #define SEQ_START_CODE          0x000001b3

--- /home/melanson/projects/ffmpeg/libavcodec/mpegvideo.c	2006-08-01 20:03:33.000000000 -0700
+++ libavcodec/mpegvideo.c	2006-08-01 21:18:45.000000000 -0700
@@ -38,6 +38,14 @@
 //#undef NDEBUG
 //#include <assert.h>
 
+
+/* if xine's MPEG encoder is enabled, enable the encoding features in
+ * this particular module */
+#if defined(XINE_MPEG_ENCODER) && !defined(CONFIG_ENCODERS)
+#define CONFIG_ENCODERS
+#endif
+
+
 #ifdef CONFIG_ENCODERS
 static void encode_picture(MpegEncContext *s, int picture_number);
 #endif //CONFIG_ENCODERS
@@ -1165,6 +1173,8 @@
         s->low_delay= 0; //s->max_b_frames ? 0 : 1;
         avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
         break;
+/* xine: this is never used in either decode or MPEG-1 encode mode */
+#if 0
     case CODEC_ID_MPEG2VIDEO:
         s->out_format = FMT_MPEG1;
         s->low_delay= 0; //s->max_b_frames ? 0 : 1;
@@ -1300,6 +1310,7 @@
         avctx->delay=0;
         s->low_delay=1;
         break;
+#endif /* #if 0 */
     default:
         return -1;
     }
@@ -1321,6 +1332,8 @@
     ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp);
     ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp);
 
+/* xine: do not need this for decode or MPEG-1 encoding modes */
+#if 0
 #ifdef CONFIG_H261_ENCODER
     if (s->out_format == FMT_H261)
         ff_h261_encode_init(s);
@@ -1329,6 +1342,8 @@
         h263_encode_init(s);
     if(s->msmpeg4_version)
         ff_msmpeg4_encode_init(s);
+#endif /* #if 0 */
+/* xine: we DO want this for MPEG-1 encoding */
     if (s->out_format == FMT_MPEG1)
         ff_mpeg1_encode_init(s);
 
@@ -1373,9 +1388,12 @@
 
     ff_rate_control_uninit(s);
 
+/* xine: do not need this for decode or MPEG-1 encoding modes */
+#if 0
     MPV_common_end(s);
     if (s->out_format == FMT_MJPEG)
         mjpeg_close(s);
+#endif /* #if 0 */
 
     av_freep(&avctx->extradata);
 
@@ -2516,8 +2534,11 @@
 
         MPV_frame_end(s);
 
+/* xine: do not need this for decode or MPEG-1 encoding modes */
+#if 0
         if (s->out_format == FMT_MJPEG)
             mjpeg_picture_trailer(s);
+#endif /* #if 0 */
 
         if(s->flags&CODEC_FLAG_PASS1)
             ff_write_pass1_stats(s);
@@ -4516,6 +4537,8 @@
     case CODEC_ID_MPEG1VIDEO:
     case CODEC_ID_MPEG2VIDEO:
         mpeg1_encode_mb(s, s->block, motion_x, motion_y); break;
+/* xine: do not need this for decode or MPEG-1 encoding modes */
+#if 0
     case CODEC_ID_MPEG4:
         mpeg4_encode_mb(s, s->block, motion_x, motion_y); break;
     case CODEC_ID_MSMPEG4V2:
@@ -4536,6 +4559,7 @@
         h263_encode_mb(s, s->block, motion_x, motion_y); break;
     case CODEC_ID_MJPEG:
         mjpeg_encode_mb(s, s->block); break;
+#endif /* #if 0 */
     default:
         assert(0);
     }
@@ -4757,6 +4781,8 @@
                +sse(s, s->new_picture.data[2] + s->mb_x*8  + s->mb_y*s->uvlinesize*8,s->dest[2], w>>1, h>>1, s->uvlinesize);
 }
 
+/* xine: do not need this for decode or MPEG-1 encoding modes */
+#if 0
 static int pre_estimate_motion_thread(AVCodecContext *c, void *arg){
     MpegEncContext *s= arg;
 
@@ -4800,6 +4826,7 @@
     }
     return 0;
 }
+#endif /* #if 0 */
 
 static int mb_var_thread(AVCodecContext *c, void *arg){
     MpegEncContext *s= arg;
@@ -4824,6 +4851,8 @@
 }
 
 static void write_slice_end(MpegEncContext *s){
+/* xine: do not need this for decode or MPEG-1 encoding modes */
+#if 0
     if(s->codec_id==CODEC_ID_MPEG4){
         if(s->partitioned_frame){
             ff_mpeg4_merge_partitions(s);
@@ -4833,6 +4862,7 @@
     }else if(s->out_format == FMT_MJPEG){
         ff_mjpeg_stuffing(&s->pb);
     }
+#endif /* #if 0 */
 
     align_put_bits(&s->pb);
     flush_put_bits(&s->pb);
@@ -4886,10 +4916,13 @@
     case CODEC_ID_FLV1:
         s->gob_index = ff_h263_get_gob_height(s);
         break;
+/* xine: do not need this for decode or MPEG-1 encoding modes */
+#if 0
     case CODEC_ID_MPEG4:
         if(s->partitioned_frame)
             ff_mpeg4_init_partitions(s);
         break;
+#endif /* #if 0 */
     }
 
     s->resync_mb_x=0;
@@ -4962,9 +4995,12 @@
                     if(s->start_mb_y != mb_y || mb_x!=0){
                         write_slice_end(s);
 
+/* xine: do not need this for decode or MPEG-1 encoding modes */
+#if 0
                         if(s->codec_id==CODEC_ID_MPEG4 && s->partitioned_frame){
                             ff_mpeg4_init_partitions(s);
                         }
+#endif /* #if 0 */
                     }
 
                     assert((put_bits_count(&s->pb)&7) == 0);
@@ -4988,19 +5024,25 @@
                     }
 
                     switch(s->codec_id){
+/* xine: do not need this for decode or MPEG-1 encoding modes */
+#if 0
                     case CODEC_ID_MPEG4:
                         ff_mpeg4_encode_video_packet_header(s);
                         ff_mpeg4_clean_buffers(s);
                     break;
+#endif /* #if 0 */
                     case CODEC_ID_MPEG1VIDEO:
                     case CODEC_ID_MPEG2VIDEO:
                         ff_mpeg1_encode_slice_header(s);
                         ff_mpeg1_clean_buffers(s);
                     break;
+/* xine: do not need this for decode or MPEG-1 encoding modes */
+#if 0
                     case CODEC_ID_H263:
                     case CODEC_ID_H263P:
                         h263_encode_gob_header(s, mb_y);
                     break;
+#endif /* #if 0 */
                     }
 
                     if(s->flags&CODEC_FLAG_PASS1){
@@ -5113,7 +5155,10 @@
 
                     s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
                     s->mb_intra= 0;
+/* xine: do not need this for decode or MPEG-1 encoding modes */
+#if 0
                     ff_mpeg4_set_direct_mv(s, mx, my);
+#endif /* #if 0 */
                     encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
                                  &dmin, &next_block, mx, my);
                 }
@@ -5299,7 +5344,10 @@
                     s->mb_intra= 0;
                     motion_x=s->b_direct_mv_table[xy][0];
                     motion_y=s->b_direct_mv_table[xy][1];
+/* xine: do not need this for decode or MPEG-1 encoding modes */
+#if 0
                     ff_mpeg4_set_direct_mv(s, motion_x, motion_y);
+#endif /* #if 0 */
                     break;
                 case CANDIDATE_MB_TYPE_BIDIR:
                     s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
@@ -5407,8 +5455,11 @@
     }
 
     //not beautiful here but we must write it before flushing so it has to be here
+/* xine: do not need this for decode or MPEG-1 encoding modes */
+#if 0
     if (s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == I_TYPE)
         msmpeg4_encode_ext_header(s);
+#endif /* #if 0 */
 
     write_slice_end(s);
 
@@ -5469,6 +5520,8 @@
         s->current_picture.quality = ff_rate_estimate_qscale(s, dry_run);
 
     if(s->adaptive_quant){
+/* xine: do not need this for decode or MPEG-1 encoding modes */
+#if 0
         switch(s->codec_id){
         case CODEC_ID_MPEG4:
             ff_clean_mpeg4_qscales(s);
@@ -5479,6 +5532,7 @@
             ff_clean_h263_qscales(s);
             break;
         }
+#endif /* #if 0 */
 
         s->lambda= s->lambda_table[0];
         //FIXME broken
@@ -5499,10 +5553,13 @@
     s->me.mb_var_sum_temp    =
     s->me.mc_mb_var_sum_temp = 0;
 
+/* xine: do not need this for decode or MPEG-1 encoding modes */
+#if 0
     /* we need to initialize some time vars before we can encode b-frames */
     // RAL: Condition added for MPEG1VIDEO
     if (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->h263_msmpeg4))
         ff_set_mpeg4_time(s, s->picture_number);  //FIXME rename and use has_b_frames or similar
+#endif /* #if 0 */
 
     s->me.scene_change_score=0;
 
@@ -5532,6 +5589,8 @@
         ff_update_duplicate_context(s->thread_context[i], s);
     }
 
+/* xine: do not need this for decode or MPEG-1 encoding modes */
+#if 0
     ff_init_me(s);
 
     /* Estimate motion for every MB */
@@ -5546,6 +5605,8 @@
 
         s->avctx->execute(s->avctx, estimate_motion_thread, (void**)&(s->thread_context[0]), NULL, s->avctx->thread_count);
     }else /* if(s->pict_type == I_TYPE) */{
+#endif /* #if 0 */
+    {
         /* I-Frame */
         for(i=0; i<s->mb_stride*s->mb_height; i++)
             s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
@@ -5569,6 +5630,8 @@
 //printf("Scene change detected, encoding as I Frame %d %d\n", s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
     }
 
+/* xine: do not need this for decode or MPEG-1 encoding modes */
+#if 0
     if(!s->umvplus){
         if(s->pict_type==P_TYPE || s->pict_type==S_TYPE) {
             s->f_code= ff_get_best_fcode(s, s->p_mv_table, CANDIDATE_MB_TYPE_INTER);
@@ -5622,6 +5685,7 @@
             }
         }
     }
+#endif /* #if 0 */
 
     estimate_qp(s, 0);
 
@@ -5652,6 +5716,8 @@
 
     s->last_bits= put_bits_count(&s->pb);
     switch(s->out_format) {
+/* xine: do not need this for decode or MPEG-1 encoding modes */
+#if 0
     case FMT_MJPEG:
         mjpeg_picture_header(s);
         break;
@@ -5680,11 +5746,15 @@
         else
             h263_encode_picture_header(s, picture_number);
         break;
+#endif /* #if 0 */
     case FMT_MPEG1:
         mpeg1_encode_picture_header(s, picture_number);
         break;
+/* xine: do not need this for decode or MPEG-1 encoding modes */
+#if 0
     case FMT_H264:
         break;
+#endif /* #if 0 */
     default:
         assert(0);
     }

--- /home/melanson/projects/ffmpeg/libavcodec/snow.c	2006-07-02 20:16:54.000000000 -0700
+++ libavcodec/snow.c	2006-08-01 21:18:45.000000000 -0700
@@ -1975,6 +1975,7 @@
 #define P_MV1 P[9]
 #define FLAG_QPEL   1 //must be 1
 
+#ifdef CONFIG_ENCODERS
 static int encode_q_branch(SnowContext *s, int level, int x, int y){
     uint8_t p_buffer[1024];
     uint8_t i_buffer[1024];
@@ -2203,6 +2204,7 @@
         return score;
     }
 }
+#endif
 
 static always_inline int same_block(BlockNode *a, BlockNode *b){
     if((a->type&BLOCK_INTRA) && (b->type&BLOCK_INTRA)){
@@ -2317,6 +2319,7 @@
     }
 }
 
+#ifdef CONFIG_ENCODERS
 static void encode_blocks(SnowContext *s){
     int x, y;
     int w= s->b_width;
@@ -2338,6 +2341,7 @@
         }
     }
 }
+#endif
 
 static void decode_blocks(SnowContext *s){
     int x, y;
@@ -4030,6 +4034,7 @@
     }
 }
 
+#ifdef CONFIG_ENCODERS
 static int encode_init(AVCodecContext *avctx)
 {
     SnowContext *s = avctx->priv_data;
@@ -4117,6 +4122,7 @@
 
     return 0;
 }
+#endif
 
 static int frame_start(SnowContext *s){
    AVFrame tmp;
@@ -4155,6 +4161,7 @@
     return 0;
 }
 
+#ifdef CONFIG_ENCODERS
 static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){
     SnowContext *s = avctx->priv_data;
     RangeCoder * const c= &s->c;
@@ -4382,6 +4389,7 @@
 
     return ff_rac_terminate(c);
 }
+#endif
 
 static void common_end(SnowContext *s){
     int plane_index, level, orientation, i;
@@ -4413,6 +4421,7 @@
     }
 }
 
+#ifdef CONFIG_ENCODERS
 static int encode_end(AVCodecContext *avctx)
 {
     SnowContext *s = avctx->priv_data;
@@ -4422,6 +4431,7 @@
 
     return 0;
 }
+#endif
 
 static int decode_init(AVCodecContext *avctx)
 {

--- /home/melanson/projects/ffmpeg/libavutil/common.h	2006-08-01 20:03:31.000000000 -0700
+++ libavutil/./common.h	2006-08-01 21:18:45.000000000 -0700
@@ -358,4 +358,16 @@
 void *av_realloc(void *ptr, unsigned int size);
 void av_free(void *ptr);
 
+/* xine: inline causes trouble for debug compiling */
+#ifdef DISABLE_INLINE
+# ifdef inline
+#  undef inline
+# endif
+# ifdef always_inline
+#  undef always_inline
+# endif
+# define inline
+# define always_inline
+#endif
+
 #endif /* COMMON_H */