Merge remote-tracking branch 'qatar/master'

* qatar/master:
  avcodec: Convert some commented-out printf/av_log instances to av_dlog
  avcodec: Drop silly and/or broken printf debug output
  avcodec: Drop some silly commented-out av_log() invocations
  avformat: Convert some commented-out printf/av_log instances to av_dlog
  avformat: Remove non-compiling and/or silly commented-out printf/av_log statements
  Remove some silly disabled code.
  ac3dec: ensure get_buffer() gets a buffer for the correct number of channels

Conflicts:
	libavcodec/dnxhddec.c
	libavcodec/ffv1.c
	libavcodec/h264.c
	libavcodec/h264_parser.c
	libavcodec/mjpegdec.c
	libavcodec/motion_est_template.c
	libavcodec/mpegaudiodec.c
	libavcodec/mpegvideo_enc.c
	libavcodec/put_bits.h
	libavcodec/ratecontrol.c
	libavcodec/wmaenc.c
	libavdevice/timefilter.c
	libavformat/asfdec.c
	libavformat/avidec.c
	libavformat/avienc.c
	libavformat/flvenc.c
	libavformat/utils.c

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

42 files changed, 120 insertions, 215 deletions

diff --git a/libavcodec/aaccoder.c b/libavcodec/aaccoder.c
index e66dcb8405..994de286c9 100644
--- a/libavcodec/aaccoder.c
+++ b/libavcodec/aaccoder.c
@@ -585,7 +585,6 @@ static void search_for_quantizers_anmr(AVCodecContext *avctx, AACEncContext *s,
     q0 = coef2minsf(q0f);
     //maximum scalefactor index is when maximum coefficient after quantizing is still not zero
     q1 = coef2maxsf(q1f);
-    //av_log(NULL, AV_LOG_ERROR, "q0 %d, q1 %d\n", q0, q1);
     if (q1 - q0 > 60) {
         int q0low  = q0;
         int q1high = q1;
@@ -593,7 +592,6 @@ static void search_for_quantizers_anmr(AVCodecContext *avctx, AACEncContext *s,
         int qnrg = av_clip_uint8(log2f(sqrtf(qnrgf/qcnt))*4 - 31 + SCALE_ONE_POS - SCALE_DIV_512);
         q1 = qnrg + 30;
         q0 = qnrg - 30;
-        //av_log(NULL, AV_LOG_ERROR, "q0 %d, q1 %d\n", q0, q1);
         if (q0 < q0low) {
             q1 += q0low - q0;
             q0  = q0low;
@@ -602,7 +600,6 @@ static void search_for_quantizers_anmr(AVCodecContext *avctx, AACEncContext *s,
             q1  = q1high;
         }
     }
-    //av_log(NULL, AV_LOG_ERROR, "q0 %d, q1 %d\n", q0, q1);
 
     for (i = 0; i < TRELLIS_STATES; i++) {
         paths[0][i].cost    = 0.0f;
diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c
index c608de83e2..674de7a62b 100644
--- a/libavcodec/ac3dec.c
+++ b/libavcodec/ac3dec.c
@@ -1377,6 +1377,7 @@ static int ac3_decode_frame(AVCodecContext * avctx, void *data,
         avctx->audio_service_type = AV_AUDIO_SERVICE_TYPE_KARAOKE;
 
     /* get output buffer */
+    avctx->channels = s->out_channels;
     s->frame.nb_samples = s->num_blocks * 256;
     if ((ret = avctx->get_buffer(avctx, &s->frame)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c
index c779f8b572..852549638b 100644
--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@@ -353,7 +353,6 @@ static void adpcm_swf_decode(AVCodecContext *avctx, const uint8_t *buf, int buf_
 
     //read bits & initial values
     nb_bits = get_bits(&gb, 2)+2;
-    //av_log(NULL,AV_LOG_INFO,"nb_bits: %d\n", nb_bits);
     table = swf_index_tables[nb_bits-2];
     k0 = 1 << (nb_bits-2);
     signmask = 1 << (nb_bits-1);
diff --git a/libavcodec/cook.c b/libavcodec/cook.c
index 19c48ed633..cca97e3046 100644
--- a/libavcodec/cook.c
+++ b/libavcodec/cook.c
@@ -420,11 +420,9 @@ static void categorize(COOKContext *q, COOKSubpacket *p, const int *quant_index_
 
     bits_left = p->bits_per_subpacket - get_bits_count(&q->gb);
 
-    if (bits_left > q->samples_per_channel) {
+    if (bits_left > q->samples_per_channel)
         bits_left = q->samples_per_channel +
                     ((bits_left - q->samples_per_channel) * 5) / 8;
-        //av_log(q->avctx, AV_LOG_ERROR, "bits_left = %d\n",bits_left);
-    }
 
     bias = -32;
 
@@ -936,10 +934,7 @@ static int decode_subpacket(COOKContext *q, COOKSubpacket *p,
 {
     int sub_packet_size = p->size;
     int res;
-    /* packet dump */
-    // for (i = 0; i < sub_packet_size ; i++)
-    //     av_log(q->avctx, AV_LOG_ERROR, "%02x", inbuffer[i]);
-    // av_log(q->avctx, AV_LOG_ERROR, "\n");
+
     memset(q->decode_buffer_1, 0, sizeof(q->decode_buffer_1));
     decode_bytes_and_gain(q, p, inbuffer, &p->gains1);
 
diff --git a/libavcodec/dcadec.c b/libavcodec/dcadec.c
index 07a29f5b99..4e9f957660 100644
--- a/libavcodec/dcadec.c
+++ b/libavcodec/dcadec.c
@@ -861,8 +861,8 @@ static int dca_subframe_header(DCAContext *s, int base_channel, int block_index)
             }
 
             if (s->bitalloc[j][k] > 26) {
-                // av_log(s->avctx, AV_LOG_DEBUG, "bitalloc index [%i][%i] too big (%i)\n",
-                //        j, k, s->bitalloc[j][k]);
+                av_dlog(s->avctx, "bitalloc index [%i][%i] too big (%i)\n",
+                        j, k, s->bitalloc[j][k]);
                 return AVERROR_INVALIDDATA;
             }
         }
diff --git a/libavcodec/dnxhddec.c b/libavcodec/dnxhddec.c
index ea2074b66b..bbf89bf938 100644
--- a/libavcodec/dnxhddec.c
+++ b/libavcodec/dnxhddec.c
@@ -223,7 +223,6 @@ static av_always_inline void dnxhd_decode_dct_block(DNXHDContext *ctx,
         ctx->last_dc[component] += level;
     }
     block[0] = ctx->last_dc[component];
-    //av_log(ctx->avctx, AV_LOG_DEBUG, "dc %d\n", block[0]);
 
     i = 0;
 
@@ -256,14 +255,11 @@ static av_always_inline void dnxhd_decode_dct_block(DNXHDContext *ctx,
         }
 
         j = ctx->scantable.permutated[i];
-        //av_log(ctx->avctx, AV_LOG_DEBUG, "j %d\n", j);
-        //av_log(ctx->avctx, AV_LOG_DEBUG, "level %d, weight %d\n", level, weight_matrix[i]);
         level *= scale[i];
         if (level_bias < 32 || weight_matrix[i] != level_bias)
             level += level_bias;
         level >>= level_shift;
 
-        //av_log(NULL, AV_LOG_DEBUG, "i %d, j %d, end level %d\n", i, j, level);
         block[j] = (level^sign) - sign;
 
         UPDATE_CACHE(bs, &ctx->gb);
@@ -297,7 +293,6 @@ static int dnxhd_decode_macroblock(DNXHDContext *ctx, int x, int y)
 
     qscale = get_bits(&ctx->gb, 11);
     skip_bits1(&ctx->gb);
-    //av_log(ctx->avctx, AV_LOG_DEBUG, "qscale %d\n", qscale);
 
     if (qscale != ctx->last_qscale) {
         for (i = 0; i < 64; i++) {
diff --git a/libavcodec/error_resilience.c b/libavcodec/error_resilience.c
index 6ae06f2ad1..7ddc5ac052 100644
--- a/libavcodec/error_resilience.c
+++ b/libavcodec/error_resilience.c
@@ -724,8 +724,6 @@ skip_last_mv:
                         fixed[mb_xy] = MV_UNCHANGED;
                 }
             }
-
-            // printf(".%d/%d", changed, score_sum); fflush(stdout);
         }
 
         if (none_left)
@@ -736,7 +734,6 @@ skip_last_mv:
             if (fixed[mb_xy])
                 fixed[mb_xy] = MV_FROZEN;
         }
-        // printf(":"); fflush(stdout);
     }
 }
 
diff --git a/libavcodec/ffv1.c b/libavcodec/ffv1.c
index 572bcbb2df..7c68b2f602 100644
--- a/libavcodec/ffv1.c
+++ b/libavcodec/ffv1.c
@@ -405,7 +405,6 @@ static inline void update_vlc_state(VlcState * const state, const int v){
 
 static inline void put_vlc_symbol(PutBitContext *pb, VlcState * const state, int v, int bits){
     int i, k, code;
-//printf("final: %d ", v);
     v = fold(v - state->bias, bits);
 
     i= state->count;
@@ -424,7 +423,8 @@ static inline void put_vlc_symbol(PutBitContext *pb, VlcState * const state, int
      code= v ^ ((2*state->drift + state->count)>>31);
 #endif
 
-//printf("v:%d/%d bias:%d error:%d drift:%d count:%d k:%d\n", v, code, state->bias, state->error_sum, state->drift, state->count, k);
+     av_dlog(NULL, "v:%d/%d bias:%d error:%d drift:%d count:%d k:%d\n", v, code,
+             state->bias, state->error_sum, state->drift, state->count, k);
     set_sr_golomb(pb, code, k, 12, bits);
 
     update_vlc_state(state, v);
@@ -443,7 +443,8 @@ static inline int get_vlc_symbol(GetBitContext *gb, VlcState * const state, int
     assert(k<=8);
 
     v= get_sr_golomb(gb, k, 12, bits);
-//printf("v:%d bias:%d error:%d drift:%d count:%d k:%d", v, state->bias, state->error_sum, state->drift, state->count, k);
+    av_dlog(NULL, "v:%d bias:%d error:%d drift:%d count:%d k:%d",
+            v, state->bias, state->error_sum, state->drift, state->count, k);
 
 #if 0 // JPEG LS
     if(k==0 && 2*state->drift <= - state->count) v ^= (-1);
@@ -454,7 +455,7 @@ static inline int get_vlc_symbol(GetBitContext *gb, VlcState * const state, int
     ret= fold(v + state->bias, bits);
 
     update_vlc_state(state, v);
-//printf("final: %d\n", ret);
+
     return ret;
 }
 
@@ -523,7 +524,9 @@ static av_always_inline int encode_line(FFV1Context *s, int w,
                 }
             }
 
-//            printf("count:%d index:%d, mode:%d, x:%d y:%d pos:%d\n", run_count, run_index, run_mode, x, y, (int)put_bits_count(&s->pb));
+            av_dlog(s->avctx, "count:%d index:%d, mode:%d, x:%d pos:%d\n",
+                    run_count, run_index, run_mode, x,
+                    (int)put_bits_count(&s->pb));
 
             if(run_mode == 0)
                 put_vlc_symbol(&s->pb, &p->vlc_state[context], diff, bits);
@@ -1488,7 +1491,8 @@ static av_always_inline void decode_line(FFV1Context *s, int w,
             }else
                 diff= get_vlc_symbol(&s->gb, &p->vlc_state[context], bits);
 
-//            printf("count:%d index:%d, mode:%d, x:%d y:%d pos:%d\n", run_count, run_index, run_mode, x, y, get_bits_count(&s->gb));
+            av_dlog(s->avctx, "count:%d index:%d, mode:%d, x:%d pos:%d\n",
+                    run_count, run_index, run_mode, x, get_bits_count(&s->gb));
         }
 
         if(sign) diff= -diff;
@@ -1734,8 +1738,6 @@ static int read_quant_table(RangeCoder *c, int16_t *quant_table, int scale){
         while(len--){
             quant_table[i] = scale*v;
             i++;
-//printf("%2d ",v);
-//if(i%16==0) printf("\n");
         }
     }
 
@@ -1945,7 +1947,8 @@ static int read_header(FFV1Context *f){
         return -1;
     }
 
-//printf("%d %d %d\n", f->chroma_h_shift, f->chroma_v_shift,f->avctx->pix_fmt);
+    av_dlog(f->avctx, "%d %d %d\n",
+            f->chroma_h_shift, f->chroma_v_shift, f->avctx->pix_fmt);
     if(f->version < 2){
         context_count= read_quant_tables(c, f->quant_table);
         if(context_count < 0){
diff --git a/libavcodec/flicvideo.c b/libavcodec/flicvideo.c
index 81ae360f72..6a11122698 100644
--- a/libavcodec/flicvideo.c
+++ b/libavcodec/flicvideo.c
@@ -539,7 +539,9 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx,
             /* For some reason, it seems that non-palettized flics do
              * include one of these chunks in their first frame.
              * Why I do not know, it seems rather extraneous. */
-/*            av_log(avctx, AV_LOG_ERROR, "Unexpected Palette chunk %d in non-paletised FLC\n",chunk_type);*/
+            av_dlog(avctx,
+                    "Unexpected Palette chunk %d in non-palettized FLC\n",
+                    chunk_type);
             bytestream2_skip(&g2, chunk_size - 6);
             break;
 
diff --git a/libavcodec/golomb.h b/libavcodec/golomb.h
index 50d786b6d5..0ce1b34959 100644
--- a/libavcodec/golomb.h
+++ b/libavcodec/golomb.h
@@ -465,8 +465,6 @@ static inline void set_te_golomb(PutBitContext *pb, int i, int range){
  * write signed exp golomb code. 16 bits at most.
  */
 static inline void set_se_golomb(PutBitContext *pb, int i){
-//    if (i>32767 || i<-32767)
-//        av_log(NULL,AV_LOG_ERROR,"value out of range %d\n", i);
 #if 0
     if(i<=0) i= -2*i;
     else     i=  2*i-1;
diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c
index ef1b6ed62c..fd5047f73a 100644
--- a/libavcodec/h263dec.c
+++ b/libavcodec/h263dec.c
@@ -221,7 +221,8 @@ static int decode_slice(MpegEncContext *s){
             s->mv_dir = MV_DIR_FORWARD;
             s->mv_type = MV_TYPE_16X16;
 //            s->mb_skipped = 0;
-//printf("%d %d %06X\n", ret, get_bits_count(&s->gb), show_bits(&s->gb, 24));
+            av_dlog(s, "%d %d %06X\n",
+                    ret, get_bits_count(&s->gb), show_bits(&s->gb, 24));
             ret= s->decode_mb(s, s->block);
 
             if (s->pict_type!=AV_PICTURE_TYPE_B)
@@ -234,7 +235,6 @@ static int decode_slice(MpegEncContext *s){
                     if(s->loop_filter)
                         ff_h263_loop_filter(s);
 
-//printf("%d %d %d %06X\n", s->mb_x, s->mb_y, s->gb.size*8 - get_bits_count(&s->gb), show_bits(&s->gb, 24));
                     ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, ER_MB_END&part_mask);
 
                     s->padding_bug_score--;
@@ -538,7 +538,6 @@ retry:
 
         if(s->divx_version>=0)
             s->workaround_bugs|= FF_BUG_DIRECT_BLOCKSIZE;
-//printf("padding_bug_score: %d\n", s->padding_bug_score);
         if(s->divx_version==501 && s->divx_build==20020416)
             s->padding_bug_score= 256*256*256*64;
 
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index fe3bac0eae..9c79f35189 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -254,7 +254,6 @@ const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src,
         }
     }
 
-    // printf("decoding esc\n");
     memcpy(dst, src, i);
     si = di = i;
     while (si + 2 < length) {
@@ -2135,7 +2134,6 @@ static int init_poc(H264Context *h)
             h->poc_msb = h->prev_poc_msb - max_poc_lsb;
         else
             h->poc_msb = h->prev_poc_msb;
-        // printf("poc: %d %d\n", h->poc_msb, h->poc_lsb);
         field_poc[0] =
         field_poc[1] = h->poc_msb + h->poc_lsb;
         if (s->picture_structure == PICT_FRAME)
@@ -4149,7 +4147,6 @@ not_extra:
 
     assert(pict->data[0] || !*data_size);
     ff_print_debug_info(s, pict);
-    // printf("out %d\n", (int)pict->data[0]);
 
     return get_consumed_bytes(s, buf_index, buf_size);
 }
diff --git a/libavcodec/h264_cabac.c b/libavcodec/h264_cabac.c
index 1c4288a79b..a064292dac 100644
--- a/libavcodec/h264_cabac.c
+++ b/libavcodec/h264_cabac.c
@@ -1814,7 +1814,6 @@ static av_always_inline void decode_cabac_luma_residual( H264Context *h, const u
     MpegEncContext * const s = &h->s;
     int qscale = p == 0 ? s->qscale : h->chroma_qp[p-1];
     if( IS_INTRA16x16( mb_type ) ) {
-        //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 DC\n" );
         AV_ZERO128(h->mb_luma_dc[p]+0);
         AV_ZERO128(h->mb_luma_dc[p]+8);
         AV_ZERO128(h->mb_luma_dc[p]+16);
@@ -1825,7 +1824,6 @@ static av_always_inline void decode_cabac_luma_residual( H264Context *h, const u
             qmul = h->dequant4_coeff[p][qscale];
             for( i4x4 = 0; i4x4 < 16; i4x4++ ) {
                 const int index = 16*p + i4x4;
-                //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 AC:%d\n", index );
                 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[1][p], index, scan + 1, qmul, 15);
             }
         } else {
@@ -1843,7 +1841,6 @@ static av_always_inline void decode_cabac_luma_residual( H264Context *h, const u
                     qmul = h->dequant4_coeff[cqm][qscale];
                     for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
                         const int index = 16*p + 4*i8x8 + i4x4;
-                        //av_log( s->avctx, AV_LOG_ERROR, "Luma4x4: %d\n", index );
 //START_TIMER
                         decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[2][p], index, scan, qmul, 16);
 //STOP_TIMER("decode_residual")
@@ -2029,7 +2026,8 @@ decode_intra_mb:
                     int pred = pred_intra_mode( h, i );
                     h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );
 
-                //av_log( s->avctx, AV_LOG_ERROR, "i4x4 pred=%d mode=%d\n", pred, h->intra4x4_pred_mode_cache[ scan8[i] ] );
+                    av_dlog(s->avctx, "i4x4 pred=%d mode=%d\n", pred,
+                            h->intra4x4_pred_mode_cache[scan8[i]]);
                 }
             }
             write_back_intra_pred_mode(h);
@@ -2350,12 +2348,10 @@ decode_intra_mb:
         } else if (CHROMA422) {
             if( cbp&0x30 ){
                 int c;
-                for( c = 0; c < 2; c++ ) {
-                    //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-DC\n",c );
+                for (c = 0; c < 2; c++)
                     decode_cabac_residual_dc_422(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3,
                                                  CHROMA_DC_BLOCK_INDEX + c,
                                                  chroma422_dc_scan, 8);
-                }
             }
 
             if( cbp&0x20 ) {
@@ -2366,7 +2362,6 @@ decode_intra_mb:
                     for (i8x8 = 0; i8x8 < 2; i8x8++) {
                         for (i = 0; i < 4; i++) {
                             const int index = 16 + 16 * c + 8*i8x8 + i;
-                            //av_log(s->avctx, AV_LOG_ERROR, "INTRA C%d-AC %d\n",c, index - 16);
                             decode_cabac_residual_nondc(h, mb, 4, index, scan + 1, qmul, 15);
                             mb += 16<<pixel_shift;
                         }
@@ -2379,10 +2374,8 @@ decode_intra_mb:
         } else /* yuv420 */ {
             if( cbp&0x30 ){
                 int c;
-                for( c = 0; c < 2; c++ ) {
-                    //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-DC\n",c );
+                for (c = 0; c < 2; c++)
                     decode_cabac_residual_dc(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3, CHROMA_DC_BLOCK_INDEX+c, chroma_dc_scan, 4);
-                }
             }
 
             if( cbp&0x20 ) {
@@ -2391,7 +2384,6 @@ decode_intra_mb:
                     qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
                     for( i = 0; i < 4; i++ ) {
                         const int index = 16 + 16 * c + i;
-                        //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-AC %d\n",c, index - 16 );
                         decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15);
                     }
                 }
diff --git a/libavcodec/h264_parser.c b/libavcodec/h264_parser.c
index d042edcc7f..2628195844 100644
--- a/libavcodec/h264_parser.c
+++ b/libavcodec/h264_parser.c
@@ -39,7 +39,6 @@ static int ff_h264_find_frame_end(H264Context *h, const uint8_t *buf, int buf_si
     ParseContext *pc = &(h->s.parse_context);
     int next_avc= h->is_avc ? 0 : buf_size;
 
-//printf("first %02X%02X%02X%02X\n", buf[0], buf[1],buf[2],buf[3]);
 //    mb_addr= pc->mb_addr - 1;
     state= pc->state;
     if(state>13)
diff --git a/libavcodec/imc.c b/libavcodec/imc.c
index 73f1de3ac7..d12c7551e9 100644
--- a/libavcodec/imc.c
+++ b/libavcodec/imc.c
@@ -743,7 +743,7 @@ static int imc_get_coeffs(IMCContext *q, IMCChannel *chctx)
                 cw = 0;
 
                 if (get_bits_count(&q->gb) + cw_len > 512) {
-                    // av_log(NULL, 0, "Band %i coeff %i cw_len %i\n", i, j, cw_len);
+                    av_dlog(NULL, "Band %i coeff %i cw_len %i\n", i, j, cw_len);
                     return AVERROR_INVALIDDATA;
                 }
 
@@ -782,8 +782,6 @@ static int imc_decode_block(AVCodecContext *avctx, IMCContext *q, int ch)
         return AVERROR_PATCHWELCOME;
     }
 
-//    av_log(avctx, AV_LOG_DEBUG, "stream_format_code = %d\n", stream_format_code);
-
     if (stream_format_code & 0x04)
         chctx->decoder_reset = 1;
 
diff --git a/libavcodec/jpegls.c b/libavcodec/jpegls.c
index f1ce16e0d8..dc5c9cfab1 100644
--- a/libavcodec/jpegls.c
+++ b/libavcodec/jpegls.c
@@ -83,5 +83,5 @@ void ff_jpegls_reset_coding_parameters(JLSState *s, int reset_all){
     }
 
     if(s->reset==0  || reset_all) s->reset= 64;
-//    av_log(NULL, AV_LOG_DEBUG, "[JPEG-LS RESET] T=%i,%i,%i\n", s->T1, s->T2, s->T3);
+    av_dlog(NULL, "[JPEG-LS RESET] T=%i,%i,%i\n", s->T1, s->T2, s->T3);
 }
diff --git a/libavcodec/jpeglsdec.c b/libavcodec/jpeglsdec.c
index 879922a0e0..f89c515195 100644
--- a/libavcodec/jpeglsdec.c
+++ b/libavcodec/jpeglsdec.c
@@ -78,7 +78,7 @@ int ff_jpegls_decode_lse(MJpegDecodeContext *s)
         av_log(s->avctx, AV_LOG_ERROR, "invalid id %d\n", id);
         return -1;
     }
-//    av_log(s->avctx, AV_LOG_DEBUG, "ID=%i, T=%i,%i,%i\n", id, s->t1, s->t2, s->t3);
+    av_dlog(s->avctx, "ID=%i, T=%i,%i,%i\n", id, s->t1, s->t2, s->t3);
 
     return 0;
 }
@@ -285,8 +285,12 @@ int ff_jpegls_decode_picture(MJpegDecodeContext *s, int near, int point_transfor
     else
         shift = point_transform + (16 - s->bits);
 
-//    av_log(s->avctx, AV_LOG_DEBUG, "JPEG-LS params: %ix%i NEAR=%i MV=%i T(%i,%i,%i) RESET=%i, LIMIT=%i, qbpp=%i, RANGE=%i\n",s->width,s->height,state->near,state->maxval,state->T1,state->T2,state->T3,state->reset,state->limit,state->qbpp, state->range);
-//    av_log(s->avctx, AV_LOG_DEBUG, "JPEG params: ILV=%i Pt=%i BPP=%i, scan = %i\n", ilv, point_transform, s->bits, s->cur_scan);
+    av_dlog(s->avctx, "JPEG-LS params: %ix%i NEAR=%i MV=%i T(%i,%i,%i) RESET=%i, LIMIT=%i, qbpp=%i, RANGE=%i\n",
+            s->width, s->height, state->near, state->maxval,
+            state->T1, state->T2, state->T3,
+            state->reset, state->limit, state->qbpp, state->range);
+    av_dlog(s->avctx, "JPEG params: ILV=%i Pt=%i BPP=%i, scan = %i\n",
+            ilv, point_transform, s->bits, s->cur_scan);
     if(ilv == 0) { /* separate planes */
         stride = (s->nb_components > 1) ? 3 : 1;
         off = av_clip(s->cur_scan - 1, 0, stride);
diff --git a/libavcodec/ljpegenc.c b/libavcodec/ljpegenc.c
index aa6abe9888..8703a6efdd 100644
--- a/libavcodec/ljpegenc.c
+++ b/libavcodec/ljpegenc.c
@@ -180,7 +180,6 @@ static int encode_picture_lossless(AVCodecContext *avctx, AVPacket *pkt,
                                 int pred;
 
                                 ptr = p->data[i] + (linesize * (v * mb_y + y)) + (h * mb_x + x); //FIXME optimize this crap
-//printf("%d %d %d %d %8X\n", mb_x, mb_y, x, y, ptr);
                                 PREDICT(pred, ptr[-linesize-1], ptr[-linesize], ptr[-1], predictor);
 
                                 if(i==0)
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index d829b1b53f..677dfb275f 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -436,9 +436,9 @@ int ff_mjpeg_decode_sof(MJpegDecodeContext *s)
     for (i = 0; i < 3; i++)
         s->linesize[i] = s->picture_ptr->linesize[i] << s->interlaced;
 
-//    printf("%d %d %d %d %d %d\n",
-//           s->width, s->height, s->linesize[0], s->linesize[1],
-//           s->interlaced, s->avctx->height);
+    av_dlog(s->avctx, "%d %d %d %d %d %d\n",
+            s->width, s->height, s->linesize[0], s->linesize[1],
+            s->interlaced, s->avctx->height);
 
     if (len != (8 + (3 * nb_components)))
         av_log(s->avctx, AV_LOG_DEBUG, "decode_sof0: error, len(%d) mismatch\n", len);
@@ -1047,11 +1047,10 @@ static int mjpeg_decode_scan(MJpegDecodeContext *s, int nb_components, int Ah,
                             return AVERROR_INVALIDDATA;
                         }
                     }
-                    // av_log(s->avctx, AV_LOG_DEBUG, "mb: %d %d processed\n",
-                    //        mb_y, mb_x);
-                    // av_log(NULL, AV_LOG_DEBUG, "%d %d %d %d %d %d %d %d \n",
-                    //        mb_x, mb_y, x, y, c, s->bottom_field,
-                    //        (v * mb_y + y) * 8, (h * mb_x + x) * 8);
+                    av_dlog(s->avctx, "mb: %d %d processed\n", mb_y, mb_x);
+                    av_dlog(s->avctx, "%d %d %d %d %d %d %d %d \n",
+                            mb_x, mb_y, x, y, c, s->bottom_field,
+                            (v * mb_y + y) * 8, (h * mb_x + x) * 8);
                     if (++x == h) {
                         x = 0;
                         y++;
@@ -1331,8 +1330,6 @@ static int mjpeg_decode_app(MJpegDecodeContext *s)
             4bytes      field_size_less_padding
         */
             s->buggy_avid = 1;
-//        if (s->first_picture)
-//            printf("mjpeg: workarounding buggy AVID\n");
         i = get_bits(&s->gb, 8); len--;
         av_log(s->avctx, AV_LOG_DEBUG, "polarity %d\n", i);
 #if 0
@@ -1341,8 +1338,6 @@ static int mjpeg_decode_app(MJpegDecodeContext *s)
         skip_bits(&s->gb, 32);
         len -= 10;
 #endif
-//        if (s->interlace_polarity)
-//            printf("mjpeg: interlace polarity: %d\n", s->interlace_polarity);
         goto out;
     }
 
@@ -1464,8 +1459,6 @@ static int mjpeg_decode_com(MJpegDecodeContext *s)
             /* buggy avid, it puts EOI only at every 10th frame */
             if (!strcmp(cbuf, "AVID")) {
                 s->buggy_avid = 1;
-                // if (s->first_picture)
-                // printf("mjpeg: workarounding buggy AVID\n");
             } else if (!strcmp(cbuf, "CS=ITU601"))
                 s->cs_itu601 = 1;
             else if ((len > 31 && !strncmp(cbuf, "Intel(R) JPEG Library, version 1", 32)) ||
@@ -1741,9 +1734,6 @@ eoi_parser:
                 av_log(avctx, AV_LOG_ERROR,
                        "mjpeg: unsupported coding type (%x)\n", start_code);
                 break;
-//              default:
-//              printf("mjpeg: unsupported marker (%x)\n", start_code);
-//              break;
             }
 
             /* eof process start code */
diff --git a/libavcodec/mjpegenc.c b/libavcodec/mjpegenc.c
index 4c4170382f..b3ead99eab 100644
--- a/libavcodec/mjpegenc.c
+++ b/libavcodec/mjpegenc.c
@@ -339,7 +339,6 @@ static void escape_FF(MpegEncContext *s, int start)
         int v= buf[i];
 
         if(v==0xFF){
-//printf("%d %d\n", i, ff_count);
             buf[i+ff_count]= 0;
             ff_count--;
         }
diff --git a/libavcodec/motion_est.c b/libavcodec/motion_est.c
index a85605770d..1e4aa84bef 100644
--- a/libavcodec/motion_est.c
+++ b/libavcodec/motion_est.c
@@ -395,12 +395,10 @@ static int sad_hpel_motion_search(MpegEncContext * s,
     assert(flags == 0);
 
     if(c->skip){
-//    printf("S");
         *mx_ptr = 0;
         *my_ptr = 0;
         return dmin;
     }
-//    printf("N");
 
     pix = c->src[src_index][0];
 
@@ -1325,7 +1323,6 @@ static int ff_estimate_motion_b(MpegEncContext * s,
     if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip)
         dmin= get_mb_score(s, mx, my, 0, ref_index, 0, 16, 1);
 
-//printf("%d %d %d %d//", s->mb_x, s->mb_y, mx, my);
 //    s->mb_type[mb_y*s->mb_width + mb_x]= mb_type;
     mv_table[mot_xy][0]= mx;
     mv_table[mot_xy][1]= my;
@@ -1734,11 +1731,11 @@ void ff_estimate_b_frame_motion(MpegEncContext * s,
 
     c->skip=0;
     bmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code) + 2*penalty_factor;
-//printf(" %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]);
+    av_dlog(s, " %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]);
 
     c->skip=0;
     fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor;
-//printf("%d %d %d %d\n", dmin, fmin, bmin, fbmin);
+    av_dlog(s, "%d %d %d %d\n", dmin, fmin, bmin, fbmin);
 
     if(s->flags & CODEC_FLAG_INTERLACED_ME){
 //FIXME mb type penalty
@@ -1848,15 +1845,9 @@ int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type)
                 best_score= score[i];
                 best_fcode= i;
             }
-//            printf("%d %d\n", i, score[i]);
         }
 
-//    printf("fcode: %d type: %d\n", i, s->pict_type);
         return best_fcode;
-/*        for(i=0; i<=MAX_FCODE; i++){
-            printf("%d ", mv_num[i]);
-        }
-        printf("\n");*/
     }else{
         return 1;
     }
@@ -1876,7 +1867,6 @@ void ff_fix_long_p_mvs(MpegEncContext * s)
 
     if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range;
 
-//printf("%d no:%d %d//\n", clip, noclip, f_code);
     if(s->flags&CODEC_FLAG_4MV){
         const int wrap= s->b8_stride;
 
diff --git a/libavcodec/motion_est_template.c b/libavcodec/motion_est_template.c
index 0d732590d0..07bfc00bf7 100644
--- a/libavcodec/motion_est_template.c
+++ b/libavcodec/motion_est_template.c
@@ -363,13 +363,11 @@ static int qpel_motion_search(MpegEncContext * s,
     av_assert2((x) <= xmax);\
     av_assert2((y) >= ymin);\
     av_assert2((y) <= ymax);\
-/*printf("check_mv %d %d\n", x, y);*/\
     if(map[index]!=key){\
         d= cmp(s, x, y, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);\
         map[index]= key;\
         score_map[index]= d;\
         d += (mv_penalty[((x)<<shift)-pred_x] + mv_penalty[((y)<<shift)-pred_y])*penalty_factor;\
-/*printf("score:%d\n", d);*/\
         COPY3_IF_LT(dmin, d, best[0], x, best[1], y)\
     }\
 }
@@ -387,13 +385,11 @@ static int qpel_motion_search(MpegEncContext * s,
 {\
     const unsigned key = ((y)<<ME_MAP_MV_BITS) + (x) + map_generation;\
     const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);\
-/*printf("check_mv_dir %d %d %d\n", x, y, new_dir);*/\
     if(map[index]!=key){\
         d= cmp(s, x, y, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);\
         map[index]= key;\
         score_map[index]= d;\
         d += (mv_penalty[((x)<<shift)-pred_x] + mv_penalty[((y)<<shift)-pred_y])*penalty_factor;\
-/*printf("score:%d\n", d);*/\
         if(d<dmin){\
             best[0]=x;\
             best[1]=y;\
@@ -444,7 +440,6 @@ static av_always_inline int small_diamond_search(MpegEncContext * s, int *best,
         const int y= best[1];
         next_dir=-1;
 
-//printf("%d", dir);
         if(dir!=2 && x>xmin) CHECK_MV_DIR(x-1, y  , 0)
         if(dir!=3 && y>ymin) CHECK_MV_DIR(x  , y-1, 1)
         if(dir!=0 && x<xmax) CHECK_MV_DIR(x+1, y  , 2)
@@ -656,13 +651,11 @@ static int full_search(MpegEncContext * s, int *best, int dmin,
 {\
     const unsigned key = ((ay)<<ME_MAP_MV_BITS) + (ax) + map_generation;\
     const int index= (((ay)<<ME_MAP_SHIFT) + (ax))&(ME_MAP_SIZE-1);\
-/*printf("sab check %d %d\n", ax, ay);*/\
     if(map[index]!=key){\
         d= cmp(s, ax, ay, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);\
         map[index]= key;\
         score_map[index]= d;\
         d += (mv_penalty[((ax)<<shift)-pred_x] + mv_penalty[((ay)<<shift)-pred_y])*penalty_factor;\
-/*printf("score: %d\n", d);*/\
         if(d < minima[minima_count-1].height){\
             int j=0;\
             \
@@ -970,7 +963,6 @@ static av_always_inline int epzs_motion_search_internal(MpegEncContext * s, int
     *mx_ptr= best[0];
     *my_ptr= best[1];
 
-//    printf("%d %d %d \n", best[0], best[1], dmin);
     return dmin;
 }
 
@@ -1016,7 +1008,7 @@ static int epzs_motion_search4(MpegEncContext * s,
     map_generation= update_map_generation(c);
 
     dmin = 1000000;
-//printf("%d %d %d %d //",xmin, ymin, xmax, ymax);
+
     /* first line */
     if (s->first_slice_line) {
         CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
@@ -1046,7 +1038,6 @@ static int epzs_motion_search4(MpegEncContext * s,
     *mx_ptr= best[0];
     *my_ptr= best[1];
 
-//    printf("%d %d %d \n", best[0], best[1], dmin);
     return dmin;
 }
 
@@ -1076,7 +1067,7 @@ static int epzs_motion_search2(MpegEncContext * s,
     map_generation= update_map_generation(c);
 
     dmin = 1000000;
-//printf("%d %d %d %d //",xmin, ymin, xmax, ymax);
+
     /* first line */
     if (s->first_slice_line) {
         CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
@@ -1106,6 +1097,5 @@ static int epzs_motion_search2(MpegEncContext * s,
     *mx_ptr= best[0];
     *my_ptr= best[1];
 
-//    printf("%d %d %d \n", best[0], best[1], dmin);
     return dmin;
 }
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c
index 1d3d40d9b8..4683f011db 100644
--- a/libavcodec/mpeg12.c
+++ b/libavcodec/mpeg12.c
@@ -1326,8 +1326,10 @@ static int mpeg_decode_postinit(AVCodecContext *avctx)
 //res_change_ffmpeg_aspect.ts 4/3 225/44 ->4/3
 //widescreen-issue562.mpg 4/3 16/9 -> 16/9
 //                    s->avctx->sample_aspect_ratio = av_mul_q(s->avctx->sample_aspect_ratio, (AVRational) {s->width, s->height});
-//av_log(NULL, AV_LOG_ERROR, "A %d/%d\n", ff_mpeg2_aspect[s->aspect_ratio_info].num, ff_mpeg2_aspect[s->aspect_ratio_info].den);
-//av_log(NULL, AV_LOG_ERROR, "B %d/%d\n", s->avctx->sample_aspect_ratio.num, s->avctx->sample_aspect_ratio.den);
+                    av_dlog(avctx, "A %d/%d\n",
+                            ff_mpeg2_aspect[s->aspect_ratio_info].num, ff_mpeg2_aspect[s->aspect_ratio_info].den);
+                    av_dlog(avctx, "B %d/%d\n", s->avctx->sample_aspect_ratio.num,
+                            s->avctx->sample_aspect_ratio.den);
                 }
             } else {
                 s->avctx->sample_aspect_ratio =
@@ -1881,7 +1883,7 @@ static int mpeg_decode_slice(MpegEncContext *s, int mb_y,
     }
 eos: // end of slice
     *buf += (get_bits_count(&s->gb)-1)/8;
-//printf("y %d %d %d %d\n", s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y);
+    av_dlog(s, "y %d %d %d %d\n", s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y);
     return 0;
 }
 
@@ -1900,8 +1902,9 @@ static int slice_decode_thread(AVCodecContext *c, void *arg)
 
         ret = mpeg_decode_slice(s, mb_y, &buf, s->gb.buffer_end - buf);
         emms_c();
-//av_log(c, AV_LOG_DEBUG, "ret:%d resync:%d/%d mb:%d/%d ts:%d/%d ec:%d\n",
-//ret, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, s->start_mb_y, s->end_mb_y, s->error_count);
+        av_dlog(c, "ret:%d resync:%d/%d mb:%d/%d ts:%d/%d ec:%d\n",
+                ret, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y,
+                s->start_mb_y, s->end_mb_y, s->error_count);
         if (ret < 0) {
             if (c->err_recognition & AV_EF_EXPLODE)
                 return ret;
diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c
index 46ce874e90..6ef1f6b427 100644
--- a/libavcodec/mpegaudiodec.c
+++ b/libavcodec/mpegaudiodec.c
@@ -892,9 +892,7 @@ static int huffman_decode(MPADecodeContext *s, GranuleDef *g,
             int pos = get_bits_count(&s->gb);
 
             if (pos >= end_pos){
-//                av_log(NULL, AV_LOG_ERROR, "pos: %d %d %d %d\n", pos, end_pos, end_pos2, s_index);
                 switch_buffer(s, &pos, &end_pos, &end_pos2);
-//                av_log(NULL, AV_LOG_ERROR, "new pos: %d %d\n", pos, end_pos);
                 if (pos >= end_pos)
                     break;
             }
@@ -968,9 +966,7 @@ static int huffman_decode(MPADecodeContext *s, GranuleDef *g,
                     s_index=0;
                 break;
             }
-//                av_log(NULL, AV_LOG_ERROR, "pos2: %d %d %d %d\n", pos, end_pos, end_pos2, s_index);
             switch_buffer(s, &pos, &end_pos, &end_pos2);
-//                av_log(NULL, AV_LOG_ERROR, "new pos2: %d %d %d\n", pos, end_pos, s_index);
             if (pos >= end_pos)
                 break;
         }
@@ -993,7 +989,6 @@ static int huffman_decode(MPADecodeContext *s, GranuleDef *g,
     }
     /* skip extension bits */
     bits_left = end_pos2 - get_bits_count(&s->gb);
-//av_log(NULL, AV_LOG_ERROR, "left:%d buf:%p\n", bits_left, s->in_gb.buffer);
     if (bits_left < 0 && (s->err_recognition & (AV_EF_BUFFER|AV_EF_COMPLIANT))) {
         av_log(s->avctx, AV_LOG_ERROR, "bits_left=%d\n", bits_left);
         s_index=0;
@@ -1406,8 +1401,8 @@ static int mp_decode_layer3(MPADecodeContext *s)
         int extrasize = av_clip(get_bits_left(&s->gb) >> 3, 0, EXTRABYTES);
         av_assert1((get_bits_count(&s->gb) & 7) == 0);
         /* now we get bits from the main_data_begin offset */
-        av_dlog(s->avctx, "seekback: %d\n", main_data_begin);
-    //av_log(NULL, AV_LOG_ERROR, "backstep:%d, lastbuf:%d\n", main_data_begin, s->last_buf_size);
+        av_dlog(s->avctx, "seekback:%d, lastbuf:%d\n",
+                main_data_begin, s->last_buf_size);
 
         memcpy(s->last_buf + s->last_buf_size, ptr, extrasize);
         s->in_gb = s->gb;
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 9e1f67c016..461ecaf88f 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -1383,12 +1383,12 @@ int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
         if (!s->dropable)
             s->next_picture_ptr = s->current_picture_ptr;
     }
-    /* av_log(s->avctx, AV_LOG_DEBUG, "L%p N%p C%p L%p N%p C%p type:%d drop:%d\n",
-           s->last_picture_ptr, s->next_picture_ptr,s->current_picture_ptr,
-           s->last_picture_ptr    ? s->last_picture_ptr->f.data[0]    : NULL,
-           s->next_picture_ptr    ? s->next_picture_ptr->f.data[0]    : NULL,
-           s->current_picture_ptr ? s->current_picture_ptr->f.data[0] : NULL,
-           s->pict_type, s->dropable); */
+    av_dlog(s->avctx, "L%p N%p C%p L%p N%p C%p type:%d drop:%d\n",
+            s->last_picture_ptr, s->next_picture_ptr,s->current_picture_ptr,
+            s->last_picture_ptr    ? s->last_picture_ptr->f.data[0]    : NULL,
+            s->next_picture_ptr    ? s->next_picture_ptr->f.data[0]    : NULL,
+            s->current_picture_ptr ? s->current_picture_ptr->f.data[0] : NULL,
+            s->pict_type, s->dropable);
 
     if (s->codec_id != AV_CODEC_ID_H264) {
         if ((s->last_picture_ptr == NULL ||
@@ -1738,7 +1738,6 @@ void ff_print_debug_info(MpegEncContext *s, AVFrame *pict)
                     else
                         av_log(s->avctx, AV_LOG_DEBUG, " ");
                 }
-                // av_log(s->avctx, AV_LOG_DEBUG, " ");
             }
             av_log(s->avctx, AV_LOG_DEBUG, "\n");
         }
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 4322d65e73..d7aad625c3 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -1011,8 +1011,8 @@ static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg)
     if (pic_arg->linesize[2] != s->uvlinesize)
         direct = 0;
 
-    //av_log(AV_LOG_DEBUG, "%d %d %d %d\n",pic_arg->linesize[0],
-    //       pic_arg->linesize[1], s->linesize, s->uvlinesize);
+    av_dlog(s->avctx, "%d %d %d %d\n", pic_arg->linesize[0],
+            pic_arg->linesize[1], s->linesize, s->uvlinesize);
 
     if (direct) {
         i = ff_find_unused_picture(s, 1);
@@ -1291,10 +1291,6 @@ static int select_input_picture(MpegEncContext *s)
                 if (s->picture_in_gop_number < s->gop_size &&
                     skip_check(s, s->input_picture[0], s->next_picture_ptr)) {
                     // FIXME check that te gop check above is +-1 correct
-                    //av_log(NULL, AV_LOG_DEBUG, "skip %p %"PRId64"\n",
-                    //       s->input_picture[0]->f.data[0],
-                    //       s->input_picture[0]->pts);
-
                     if (s->input_picture[0]->f.type == FF_BUFFER_TYPE_SHARED) {
                         for (i = 0; i < 4; i++)
                             s->input_picture[0]->f.data[i] = NULL;
@@ -1366,9 +1362,6 @@ static int select_input_picture(MpegEncContext *s)
             }
 
             emms_c();
-            //static int b_count = 0;
-            //b_count += b_frames;
-            //av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
 
             for (i = b_frames - 1; i >= 0; i--) {
                 int type = s->input_picture[i]->f.pict_type;
@@ -1462,7 +1455,6 @@ no_output_pic:
         ff_copy_picture(&s->current_picture, s->current_picture_ptr);
 
         s->picture_number = s->new_picture.f.display_picture_number;
-        //printf("dpn:%d\n", s->picture_number);
     } else {
         memset(&s->new_picture, 0, sizeof(Picture));
     }
@@ -1508,8 +1500,6 @@ int ff_MPV_encode_picture(AVCodecContext *avctx, AVPacket *pkt,
 
         s->pict_type = s->new_picture.f.pict_type;
         //emms_c();
-        //printf("qs:%f %f %d\n", s->new_picture.quality,
-        //       s->current_picture.quality, s->qscale);
         ff_MPV_frame_start(s, avctx);
 vbv_retry:
         if (encode_picture(s, s->picture_number) < 0)
@@ -1558,7 +1548,6 @@ vbv_retry:
                     s->time_base       = s->last_time_base;
                     s->last_non_b_time = s->time - s->pp_time;
                 }
-                //av_log(NULL, AV_LOG_ERROR, "R:%d ", s->next_lambda);
                 for (i = 0; i < context_count; i++) {
                     PutBitContext *pb = &s->thread_context[i]->pb;
                     init_put_bits(pb, pb->buf, pb->buf_end - pb->buf);
@@ -2463,7 +2452,6 @@ static int encode_thread(AVCodecContext *c, void *arg){
     uint8_t bit_buf2[2][MAX_MB_BYTES];
     uint8_t bit_buf_tex[2][MAX_MB_BYTES];
     PutBitContext pb[2], pb2[2], tex_pb[2];
-//printf("%d->%d\n", s->resync_mb_y, s->end_mb_y);
 
     ff_check_alignment();
 
@@ -2518,7 +2506,6 @@ static int encode_thread(AVCodecContext *c, void *arg){
     s->first_slice_line = 1;
     s->ptr_lastgob = s->pb.buf;
     for(mb_y= s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
-//    printf("row %d at %X\n", s->mb_y, (int)s);
         s->mb_x=0;
         s->mb_y= mb_y;
 
@@ -2992,7 +2979,6 @@ static int encode_thread(AVCodecContext *c, void *arg){
                     s->mb_intra= 0;
                     motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
                     motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
-//                    printf(" %d %d ", motion_x, motion_y);
                     break;
                 case CANDIDATE_MB_TYPE_FORWARD_I:
                     s->mv_dir = MV_DIR_FORWARD;
@@ -3069,7 +3055,8 @@ static int encode_thread(AVCodecContext *c, void *arg){
                 if(CONFIG_H263_ENCODER && s->out_format == FMT_H263)
                     ff_h263_loop_filter(s);
             }
-//printf("MB %d %d bits\n", s->mb_x+s->mb_y*s->mb_stride, put_bits_count(&s->pb));
+            av_dlog(s->avctx, "MB %d %d bits\n",
+                    s->mb_x + s->mb_y * s->mb_stride, put_bits_count(&s->pb));
         }
     }
 
@@ -3162,7 +3149,6 @@ static int estimate_qp(MpegEncContext *s, int dry_run){
         //FIXME broken
     }else
         s->lambda = s->current_picture.f.quality;
-//printf("%d %d\n", s->avctx->global_quality, s->current_picture.quality);
     update_qscale(s);
     return 0;
 }
@@ -3272,8 +3258,10 @@ static int encode_picture(MpegEncContext *s, int picture_number)
         s->pict_type= AV_PICTURE_TYPE_I;
         for(i=0; i<s->mb_stride*s->mb_height; i++)
             s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
-//printf("Scene change detected, encoding as I Frame %d %d\n", s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
-        if(s->msmpeg4_version >= 3) s->no_rounding=1;
+        if(s->msmpeg4_version >= 3)
+            s->no_rounding=1;
+        av_dlog(s, "Scene change detected, encoding as I Frame %d %d\n",
+                s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
     }
 
     if(!s->umvplus){
diff --git a/libavcodec/msmpeg4.c b/libavcodec/msmpeg4.c
index 917d04a906..0f8b57e0f8 100644
--- a/libavcodec/msmpeg4.c
+++ b/libavcodec/msmpeg4.c
@@ -380,7 +380,7 @@ static int msmpeg4v2_decode_motion(MpegEncContext * s, int pred, int f_code)
     int code, val, sign, shift;
 
     code = get_vlc2(&s->gb, v2_mv_vlc.table, V2_MV_VLC_BITS, 2);
-//     printf("MV code %d at %d %d pred: %d\n", code, s->mb_x,s->mb_y, pred);
+    av_dlog(s, "MV code %d at %d %d pred: %d\n", code, s->mb_x,s->mb_y, pred);
     if (code < 0)
         return 0xffff;
 
@@ -547,7 +547,6 @@ static int msmpeg4v34_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
 
     if (!s->mb_intra) {
         int mx, my;
-//printf("P at %d %d\n", s->mb_x, s->mb_y);
         if(s->per_mb_rl_table && cbp){
             s->rl_table_index = decode012(&s->gb);
             s->rl_chroma_table_index = s->rl_table_index;
@@ -561,12 +560,15 @@ static int msmpeg4v34_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
         s->mv[0][0][1] = my;
         *mb_type_ptr = MB_TYPE_L0 | MB_TYPE_16x16;
     } else {
-//printf("I at %d %d %d %06X\n", s->mb_x, s->mb_y, ((cbp&3)? 1 : 0) +((cbp&0x3C)? 2 : 0), show_bits(&s->gb, 24));
+        av_dlog(s, "I at %d %d %d %06X\n", s->mb_x, s->mb_y,
+                ((cbp & 3) ? 1 : 0) +((cbp & 0x3C)? 2 : 0),
+                show_bits(&s->gb, 24));
         s->ac_pred = get_bits1(&s->gb);
         *mb_type_ptr = MB_TYPE_INTRA;
         if(s->inter_intra_pred){
             s->h263_aic_dir= get_vlc2(&s->gb, ff_inter_intra_vlc.table, INTER_INTRA_VLC_BITS, 1);
-//            printf("%d%d %d %d/", s->ac_pred, s->h263_aic_dir, s->mb_x, s->mb_y);
+            av_dlog(s, "%d%d %d %d/",
+                    s->ac_pred, s->h263_aic_dir, s->mb_x, s->mb_y);
         }
         if(s->per_mb_rl_table && cbp){
             s->rl_table_index = decode012(&s->gb);
@@ -841,7 +843,8 @@ int ff_msmpeg4_decode_picture_header(MpegEncContext * s)
             s->no_rounding = 0;
         }
     }
-//printf("%d %d %d %d %d\n", s->pict_type, s->bit_rate, s->inter_intra_pred, s->width, s->height);
+    av_dlog(s->avctx, "%d %d %d %d %d\n", s->pict_type, s->bit_rate,
+            s->inter_intra_pred, s->width, s->height);
 
     s->esc3_level_length= 0;
     s->esc3_run_length= 0;
@@ -862,8 +865,6 @@ int ff_msmpeg4_decode_ext_header(MpegEncContext * s, int buf_size)
             s->flipflop_rounding= get_bits1(&s->gb);
         else
             s->flipflop_rounding= 0;
-
-//        printf("fps:%2d bps:%2d roundingType:%1d\n", fps, s->bit_rate/1024, s->flipflop_rounding);
     }
     else if(left<length+8)
     {
@@ -1030,7 +1031,8 @@ int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
                         last=  SHOW_UBITS(re, &s->gb, 1); SKIP_BITS(re, &s->gb, 1);
                         if(!s->esc3_level_length){
                             int ll;
-                            //printf("ESC-3 %X at %d %d\n", show_bits(&s->gb, 24), s->mb_x, s->mb_y);
+                            av_dlog(s->avctx, "ESC-3 %X at %d %d\n",
+                                    show_bits(&s->gb, 24), s->mb_x, s->mb_y);
                             if(s->qscale<8){
                                 ll= SHOW_UBITS(re, &s->gb, 3); SKIP_BITS(re, &s->gb, 3);
                                 if(ll==0){
@@ -1047,7 +1049,6 @@ int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
 
                             s->esc3_level_length= ll;
                             s->esc3_run_length= SHOW_UBITS(re, &s->gb, 2) + 3; SKIP_BITS(re, &s->gb, 2);
-//printf("level length:%d, run length: %d\n", ll, s->esc3_run_length);
                             UPDATE_CACHE(re, &s->gb);
                         }
                         run=   SHOW_UBITS(re, &s->gb, s->esc3_run_length);
@@ -1060,7 +1061,7 @@ int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
                         SKIP_BITS(re, &s->gb, s->esc3_level_length);
                         if(sign) level= -level;
                     }
-//printf("level: %d, run: %d at %d %d\n", level, run, s->mb_x, s->mb_y);
+
 #if 0 // waste of time / this will detect very few errors
                     {
                         const int abs_level= FFABS(level);
@@ -1186,7 +1187,6 @@ int ff_msmpeg4_decode_motion(MpegEncContext * s,
         return -1;
     }
     if (code == mv->n) {
-//printf("MV ESC %X at %d %d\n", show_bits(&s->gb, 24), s->mb_x, s->mb_y);
         mx = get_bits(&s->gb, 6);
         my = get_bits(&s->gb, 6);
     } else {
diff --git a/libavcodec/msmpeg4enc.c b/libavcodec/msmpeg4enc.c
index 0e9d116e3c..458ec09526 100644
--- a/libavcodec/msmpeg4enc.c
+++ b/libavcodec/msmpeg4enc.c
@@ -193,9 +193,6 @@ static void find_best_tables(MpegEncContext * s)
         }
     }
 
-//    printf("type:%d, best:%d, qp:%d, var:%d, mcvar:%d, size:%d //\n",
-//           s->pict_type, best, s->qscale, s->mb_var_sum, s->mc_mb_var_sum, best_size);
-
     if(s->pict_type==AV_PICTURE_TYPE_P) chroma_best= best;
 
     memset(s->ac_stats, 0, sizeof(int)*(MAX_LEVEL+1)*(MAX_RUN+1)*2*2*2);
@@ -233,7 +230,8 @@ void ff_msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number)
     s->per_mb_rl_table = 0;
     if(s->msmpeg4_version==4)
         s->inter_intra_pred= (s->width*s->height < 320*240 && s->bit_rate<=II_BITRATE && s->pict_type==AV_PICTURE_TYPE_P);
-//printf("%d %d %d %d %d\n", s->pict_type, s->bit_rate, s->inter_intra_pred, s->width, s->height);
+    av_dlog(s, "%d %d %d %d %d\n", s->pict_type, s->bit_rate,
+            s->inter_intra_pred, s->width, s->height);
 
     if (s->pict_type == AV_PICTURE_TYPE_I) {
         s->slice_height= s->mb_height/1;
diff --git a/libavcodec/parser.c b/libavcodec/parser.c
index df5ecb3b87..a85db1a02f 100644
--- a/libavcodec/parser.c
+++ b/libavcodec/parser.c
@@ -150,7 +150,6 @@ int av_parser_parse2(AVCodecParserContext *s,
 
     /* WARNING: the returned index can be negative */
     index = s->parser->parser_parse(s, avctx, (const uint8_t **)poutbuf, poutbuf_size, buf, buf_size);
-//av_log(NULL, AV_LOG_DEBUG, "parser: in:%"PRId64", %"PRId64", out:%"PRId64", %"PRId64", in:%d out:%d id:%d\n", pts, dts, s->last_pts, s->last_dts, buf_size, *poutbuf_size, avctx->codec_id);
     /* update the file pointer */
     if (*poutbuf_size) {
         /* fill the data for the current frame */
diff --git a/libavcodec/put_bits.h b/libavcodec/put_bits.h
index e83f72194e..f02965e300 100644
--- a/libavcodec/put_bits.h
+++ b/libavcodec/put_bits.h
@@ -131,13 +131,11 @@ static inline void put_bits(PutBitContext *s, int n, unsigned int value)
     unsigned int bit_buf;
     int bit_left;
 
-    //    printf("put_bits=%d %x\n", n, value);
     av_assert2(n <= 31 && value < (1U << n));
 
     bit_buf = s->bit_buf;
     bit_left = s->bit_left;
 
-    //    printf("n=%d value=%x cnt=%d buf=%x\n", n, value, bit_cnt, bit_buf);
     /* XXX: optimize */
 #ifdef BITSTREAM_WRITER_LE
     bit_buf |= value << (32 - bit_left);
@@ -158,7 +156,6 @@ static inline void put_bits(PutBitContext *s, int n, unsigned int value)
         bit_buf |= value >> (n - bit_left);
         av_assert2(s->buf_ptr+3<s->buf_end);
         AV_WB32(s->buf_ptr, bit_buf);
-        //printf("bitbuf = %08x\n", bit_buf);
         s->buf_ptr+=4;
         bit_left+=32 - n;
         bit_buf = value;
diff --git a/libavcodec/ratecontrol.c b/libavcodec/ratecontrol.c
index b9f581f5da..8f8647c058 100644
--- a/libavcodec/ratecontrol.c
+++ b/libavcodec/ratecontrol.c
@@ -283,7 +283,8 @@ int ff_vbv_update(MpegEncContext *s, int frame_size){
     const double min_rate= s->avctx->rc_min_rate/fps;
     const double max_rate= s->avctx->rc_max_rate/fps;
 
-//av_log(0,0, "%d %f %d %f %f\n", buffer_size, rcc->buffer_index, frame_size, min_rate, max_rate);
+    av_dlog(s, "%d %f %d %f %f\n",
+            buffer_size, rcc->buffer_index, frame_size, min_rate, max_rate);
     if(buffer_size){
         int left;
 
@@ -457,7 +458,6 @@ static double modify_qscale(MpegEncContext *s, RateControlEntry *rce, double q,
     if(s->avctx->rc_qmod_freq && frame_num%s->avctx->rc_qmod_freq==0 && pict_type==AV_PICTURE_TYPE_P)
         q*= s->avctx->rc_qmod_amp;
 
-//printf("q:%f\n", q);
     /* buffer overflow/underflow protection */
     if(buffer_size){
         double expected_size= rcc->buffer_index;
@@ -493,7 +493,9 @@ static double modify_qscale(MpegEncContext *s, RateControlEntry *rce, double q,
             }
         }
     }
-//printf("q:%f max:%f min:%f size:%f index:%d bits:%f agr:%f\n", q,max_rate, min_rate, buffer_size, rcc->buffer_index, bits, s->avctx->rc_buffer_aggressivity);
+    av_dlog(s, "q:%f max:%f min:%f size:%f index:%f agr:%f\n",
+            q, max_rate, min_rate, buffer_size, rcc->buffer_index,
+            s->avctx->rc_buffer_aggressivity);
     if(s->avctx->rc_qsquish==0.0 || qmin==qmax){
         if     (q<qmin) q=qmin;
         else if(q>qmax) q=qmax;
@@ -636,8 +638,6 @@ static void adaptive_quantization(MpegEncContext *s, double q){
 
         if     (intq > qmax) intq= qmax;
         else if(intq < qmin) intq= qmin;
-//if(i%s->mb_width==0) printf("\n");
-//printf("%2d%3d ", intq, ff_sqrt(s->mc_mb_var[i]));
         s->lambda_table[mb_xy]= intq;
     }
 }
@@ -682,7 +682,6 @@ float ff_rate_estimate_qscale(MpegEncContext *s, int dry_run)
     get_qminmax(&qmin, &qmax, s, pict_type);
 
     fps= get_fps(s->avctx);
-//printf("input_pic_num:%d pic_num:%d frame_rate:%d\n", s->input_picture_number, s->picture_number, s->frame_rate);
         /* update predictors */
     if(picture_number>2 && !dry_run){
         const int last_var= s->last_pict_type == AV_PICTURE_TYPE_I ? rcc->last_mb_var_sum : rcc->last_mc_mb_var_sum;
@@ -706,9 +705,6 @@ float ff_rate_estimate_qscale(MpegEncContext *s, int dry_run)
         else
             dts_pic= s->last_picture_ptr;
 
-//if(dts_pic)
-//            av_log(NULL, AV_LOG_ERROR, "%"PRId64" %"PRId64" %"PRId64" %d\n", s->current_picture_ptr->pts, s->user_specified_pts, dts_pic->pts, picture_number);
-
         if (!dts_pic || dts_pic->f.pts == AV_NOPTS_VALUE)
             wanted_bits= (uint64_t)(s->bit_rate*(double)picture_number/fps);
         else
@@ -727,7 +723,8 @@ float ff_rate_estimate_qscale(MpegEncContext *s, int dry_run)
             assert(pict_type == rce->new_pict_type);
 
         q= rce->new_qscale / br_compensation;
-//printf("%f %f %f last:%d var:%d type:%d//\n", q, rce->new_qscale, br_compensation, s->frame_bits, var, pict_type);
+        av_dlog(s, "%f %f %f last:%d var:%d type:%d//\n", q, rce->new_qscale,
+                br_compensation, s->frame_bits, var, pict_type);
     }else{
         rce->pict_type=
         rce->new_pict_type= pict_type;
@@ -764,9 +761,7 @@ float ff_rate_estimate_qscale(MpegEncContext *s, int dry_run)
             return -1;
 
         assert(q>0.0);
-//printf("%f ", q);
         q= get_diff_limited_q(s, rce, q);
-//printf("%f ", q);
         assert(q>0.0);
 
         if(pict_type==AV_PICTURE_TYPE_P || s->intra_only){ //FIXME type dependent blur like in 2-pass
@@ -775,9 +770,7 @@ float ff_rate_estimate_qscale(MpegEncContext *s, int dry_run)
 
             rcc->short_term_qsum+= q;
             rcc->short_term_qcount++;
-//printf("%f ", q);
             q= short_term_q= rcc->short_term_qsum/rcc->short_term_qcount;
-//printf("%f ", q);
         }
         assert(q>0.0);
 
@@ -908,18 +901,15 @@ static int init_pass2(MpegEncContext *s)
             double bits;
             rce->new_qscale= modify_qscale(s, rce, blurred_qscale[i], i);
             bits= qp2bits(rce, rce->new_qscale) + rce->mv_bits + rce->misc_bits;
-//printf("%d %f\n", rce->new_bits, blurred_qscale[i]);
             bits += 8*ff_vbv_update(s, bits);
 
             rce->expected_bits= expected_bits;
             expected_bits += bits;
         }
 
-        /*
-        av_log(s->avctx, AV_LOG_INFO,
-            "expected_bits: %f all_available_bits: %d rate_factor: %f\n",
-            expected_bits, (int)all_available_bits, rate_factor);
-        */
+        av_dlog(s->avctx,
+                "expected_bits: %f all_available_bits: %d rate_factor: %f\n",
+                expected_bits, (int)all_available_bits, rate_factor);
         if(expected_bits > all_available_bits) {
             rate_factor-= step;
             ++toobig;
@@ -931,8 +921,10 @@ static int init_pass2(MpegEncContext *s)
     /* check bitrate calculations and print info */
     qscale_sum = 0.0;
     for(i=0; i<rcc->num_entries; i++){
-        /* av_log(s->avctx, AV_LOG_DEBUG, "[lavc rc] entry[%d].new_qscale = %.3f  qp = %.3f\n",
-            i, rcc->entry[i].new_qscale, rcc->entry[i].new_qscale / FF_QP2LAMBDA); */
+        av_dlog(s, "[lavc rc] entry[%d].new_qscale = %.3f  qp = %.3f\n",
+                i,
+                rcc->entry[i].new_qscale,
+                rcc->entry[i].new_qscale / FF_QP2LAMBDA);
         qscale_sum += av_clip(rcc->entry[i].new_qscale / FF_QP2LAMBDA, s->avctx->qmin, s->avctx->qmax);
     }
     assert(toobig <= 40);
diff --git a/libavcodec/rv10.c b/libavcodec/rv10.c
index c50727f1ca..49072dea9f 100644
--- a/libavcodec/rv10.c
+++ b/libavcodec/rv10.c
@@ -399,7 +399,6 @@ static int rv20_decode_picture_header(RVDecContext *rv)
 
     mb_pos = ff_h263_decode_mba(s);
 
-//av_log(s->avctx, AV_LOG_DEBUG, "%d\n", seq);
     seq |= s->time &~0x7FFF;
     if(seq - s->time >  0x4000) seq -= 0x8000;
     if(seq - s->time < -0x4000) seq += 0x8000;
@@ -418,11 +417,7 @@ static int rv20_decode_picture_header(RVDecContext *rv)
             ff_mpeg4_init_direct_mv(s);
         }
     }
-//    printf("%d %d %d %d %d\n", seq, (int)s->time, (int)s->last_non_b_time, s->pp_time, s->pb_time);
-/*for(i=0; i<32; i++){
-    av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&s->gb));
-}
-av_log(s->avctx, AV_LOG_DEBUG, "\n");*/
+
     s->no_rounding= get_bits1(&s->gb);
 
     if(RV_GET_MINOR_VER(rv->sub_id) <= 1 && s->pict_type == AV_PICTURE_TYPE_B)
diff --git a/libavcodec/svq1dec.c b/libavcodec/svq1dec.c
index ba240ac74d..2e5600a54a 100644
--- a/libavcodec/svq1dec.c
+++ b/libavcodec/svq1dec.c
@@ -521,8 +521,8 @@ static int svq1_decode_frame_header (GetBitContext *bitbuf,MpegEncContext *s) {
 
       csum = ff_svq1_packet_checksum (bitbuf->buffer, bitbuf->size_in_bits>>3, csum);
 
-//      av_log(s->avctx, AV_LOG_INFO, "%s checksum (%02x) for packet data\n",
-//              (csum == 0) ? "correct" : "incorrect", csum);
+      av_dlog(s->avctx, "%s checksum (%02x) for packet data\n",
+              (csum == 0) ? "correct" : "incorrect", csum);
     }
 
     if ((s->f_code ^ 0x10) >= 0x50) {
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index c462a9d51e..36ac878540 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -610,7 +610,6 @@ void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic)
     for (i = 0; i < AV_NUM_DATA_POINTERS; i++)
         pic->data[i] = NULL;
 //        pic->base[i]=NULL;
-     //printf("R%X\n", pic->opaque);
 
     if (s->debug & FF_DEBUG_BUFFERS)
         av_log(s, AV_LOG_DEBUG, "default_release_buffer called on pic %p, %d "
diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c
index d7352d3671..56c5bf9932 100644
--- a/libavcodec/vc1.c
+++ b/libavcodec/vc1.c
@@ -395,8 +395,6 @@ int ff_vc1_decode_sequence_header(AVCodecContext *avctx, VC1Context *v, GetBitCo
         v->res_rtm_flag = get_bits1(gb); //reserved
     }
     if (!v->res_rtm_flag) {
-//            av_log(avctx, AV_LOG_ERROR,
-//                   "0 for reserved RES_RTM_FLAG is forbidden\n");
         av_log(avctx, AV_LOG_ERROR,
                "Old WMV3 version detected, some frames may be decoded incorrectly\n");
         //return -1;
@@ -663,8 +661,9 @@ int ff_vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)
         v->x8_type = get_bits1(gb);
     } else
         v->x8_type = 0;
-//av_log(v->s.avctx, AV_LOG_INFO, "%c Frame: QP=[%i]%i (+%i/2) %i\n",
-//        (v->s.pict_type == AV_PICTURE_TYPE_P) ? 'P' : ((v->s.pict_type == AV_PICTURE_TYPE_I) ? 'I' : 'B'), pqindex, v->pq, v->halfpq, v->rangeredfrm);
+    av_dlog(v->s.avctx, "%c Frame: QP=[%i]%i (+%i/2) %i\n",
+            (v->s.pict_type == AV_PICTURE_TYPE_P) ? 'P' : ((v->s.pict_type == AV_PICTURE_TYPE_I) ? 'I' : 'B'),
+            pqindex, v->pq, v->halfpq, v->rangeredfrm);
 
     if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_P)
         v->use_ic = 0;
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 9412a79192..cbf9562d2a 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -5637,7 +5637,8 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
             s->linesize                      >>= 1;
             s->uvlinesize                    >>= 1;
         }
-//av_log(s->avctx, AV_LOG_INFO, "Consumed %i/%i bits\n", get_bits_count(&s->gb), s->gb.size_in_bits);
+        av_dlog(s->avctx, "Consumed %i/%i bits\n",
+                get_bits_count(&s->gb), s->gb.size_in_bits);
 //  if (get_bits_count(&s->gb) > buf_size * 8)
 //      return -1;
         if(s->error_occurred && s->pict_type == AV_PICTURE_TYPE_B)
diff --git a/libavcodec/vorbis.c b/libavcodec/vorbis.c
index 90227dd9f9..adf08b5fb9 100644
--- a/libavcodec/vorbis.c
+++ b/libavcodec/vorbis.c
@@ -66,10 +66,8 @@ int ff_vorbis_len2vlc(uint8_t *bits, uint32_t *codes, unsigned num)
 
     for (p = 0; (bits[p] == 0) && (p < num); ++p)
         ;
-    if (p == num) {
-//        av_log(vc->avccontext, AV_LOG_INFO, "An empty codebook. Heh?! \n");
+    if (p == num)
         return 0;
-    }
 
     codes[p] = 0;
     if (bits[p] > 32)
diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c
index 0f112c22aa..80d54cc198 100644
--- a/libavcodec/vp3.c
+++ b/libavcodec/vp3.c
@@ -2068,7 +2068,8 @@ static int read_huffman_tree(AVCodecContext *avctx, GetBitContext *gb)
             return -1;
         }
         token = get_bits(gb, 5);
-        //av_log(avctx, AV_LOG_DEBUG, "hti %d hbits %x token %d entry : %d size %d\n", s->hti, s->hbits, token, s->entries, s->huff_code_size);
+        av_dlog(avctx, "hti %d hbits %x token %d entry : %d size %d\n",
+                s->hti, s->hbits, token, s->entries, s->huff_code_size);
         s->huffman_table[s->hti][token][0] = s->hbits;
         s->huffman_table[s->hti][token][1] = s->huff_code_size;
         s->entries++;
diff --git a/libavcodec/wmadec.c b/libavcodec/wmadec.c
index 39e50a4ffd..6bd1a821fd 100644
--- a/libavcodec/wmadec.c
+++ b/libavcodec/wmadec.c
@@ -95,8 +95,6 @@ static int wma_decode_init(AVCodecContext * avctx)
     } else if (avctx->codec->id == AV_CODEC_ID_WMAV2 && avctx->extradata_size >= 6) {
         flags2 = AV_RL16(extradata+4);
     }
-// for(i=0; i<avctx->extradata_size; i++)
-//     av_log(NULL, AV_LOG_ERROR, "%02X ", extradata[i]);
 
     s->use_exp_vlc = flags2 & 0x0001;
     s->use_bit_reservoir = flags2 & 0x0002;
@@ -866,7 +864,6 @@ static int wma_decode_superframe(AVCodecContext *avctx, void *data,
         }
 
         if (s->last_superframe_len > 0) {
-            //        printf("skip=%d\n", s->last_bitoffset);
             /* add bit_offset bits to last frame */
             if ((s->last_superframe_len + ((bit_offset + 7) >> 3)) >
                 MAX_CODED_SUPERFRAME_SIZE)
@@ -929,7 +926,9 @@ static int wma_decode_superframe(AVCodecContext *avctx, void *data,
         samples += s->nb_channels * s->frame_len;
     }
 
-//av_log(NULL, AV_LOG_ERROR, "%d %d %d %d outbytes:%d eaten:%d\n", s->frame_len_bits, s->block_len_bits, s->frame_len, s->block_len,        (int8_t *)samples - (int8_t *)data, s->block_align);
+    av_dlog(s->avctx, "%d %d %d %d outbytes:%d eaten:%d\n",
+            s->frame_len_bits, s->block_len_bits, s->frame_len, s->block_len,
+            (int8_t *)samples - (int8_t *)data, s->block_align);
 
     *got_frame_ptr   = 1;
     *(AVFrame *)data = s->frame;
diff --git a/libavcodec/wmaenc.c b/libavcodec/wmaenc.c
index c803ba2a7d..835bc39ce8 100644
--- a/libavcodec/wmaenc.c
+++ b/libavcodec/wmaenc.c
@@ -82,7 +82,6 @@ static int encode_init(AVCodecContext * avctx){
                          (avctx->sample_rate * 8);
     s->block_align     = FFMIN(s->block_align, MAX_CODED_SUPERFRAME_SIZE);
     avctx->block_align = s->block_align;
-//av_log(NULL, AV_LOG_ERROR, "%d %d %d %d\n", s->block_align, avctx->bit_rate, s->frame_len, avctx->sample_rate);
     avctx->frame_size = avctx->delay = s->frame_len;
 
 #if FF_API_OLD_ENCODE_AUDIO
diff --git a/libavcodec/wmv2dec.c b/libavcodec/wmv2dec.c
index 6217bbad7a..df11c219da 100644
--- a/libavcodec/wmv2dec.c
+++ b/libavcodec/wmv2dec.c
@@ -244,8 +244,6 @@ static inline int wmv2_decode_motion(Wmv2Context *w, int *mx_ptr, int *my_ptr){
     else
         w->hshift= 0;
 
-//printf("%d %d  ", *mx_ptr, *my_ptr);
-
     return 0;
 }
 
@@ -314,7 +312,6 @@ static inline int wmv2_decode_inter_block(Wmv2Context *w, DCTELEM *block, int n,
 //        const uint8_t *scantable= w->abt_type-1 ? w->abt_scantable[1].permutated : w->abt_scantable[0].scantable;
 
         sub_cbp= sub_cbp_table[ decode012(&s->gb) ];
-//        printf("S%d", sub_cbp);
 
         if(sub_cbp&1){
             if (ff_msmpeg4_decode_block(s, block, n, 1, scantable) < 0)
@@ -385,7 +382,6 @@ int ff_wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
 
     if (!s->mb_intra) {
         int mx, my;
-//printf("P at %d %d\n", s->mb_x, s->mb_y);
         wmv2_pred_motion(w, &mx, &my);
 
         if(cbp){
@@ -419,13 +415,16 @@ int ff_wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
             }
         }
     } else {
-//if(s->pict_type==AV_PICTURE_TYPE_P)
-//   printf("%d%d ", s->inter_intra_pred, cbp);
-//printf("I at %d %d %d %06X\n", s->mb_x, s->mb_y, ((cbp&3)? 1 : 0) +((cbp&0x3C)? 2 : 0), show_bits(&s->gb, 24));
+        if (s->pict_type==AV_PICTURE_TYPE_P)
+            av_dlog(s->avctx, "%d%d ", s->inter_intra_pred, cbp);
+        av_dlog(s->avctx, "I at %d %d %d %06X\n", s->mb_x, s->mb_y,
+                ((cbp & 3) ? 1 : 0) +((cbp & 0x3C)? 2 : 0),
+                show_bits(&s->gb, 24));
         s->ac_pred = get_bits1(&s->gb);
         if(s->inter_intra_pred){
             s->h263_aic_dir= get_vlc2(&s->gb, ff_inter_intra_vlc.table, INTER_INTRA_VLC_BITS, 1);
-//            printf("%d%d %d %d/", s->ac_pred, s->h263_aic_dir, s->mb_x, s->mb_y);
+            av_dlog(s->avctx, "%d%d %d %d/",
+                    s->ac_pred, s->h263_aic_dir, s->mb_x, s->mb_y);
         }
         if(s->per_mb_rl_table && cbp){
             s->rl_table_index = decode012(&s->gb);
diff --git a/libavcodec/x86/mpegvideo.c b/libavcodec/x86/mpegvideo.c
index 2d475abe01..7c7ca87a13 100644
--- a/libavcodec/x86/mpegvideo.c
+++ b/libavcodec/x86/mpegvideo.c
@@ -51,7 +51,7 @@ static void dct_unquantize_h263_intra_mmx(MpegEncContext *s,
         nCoeffs=63;
     else
         nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
-//printf("%d %d  ", qmul, qadd);
+
 __asm__ volatile(
                 "movd %1, %%mm6                 \n\t" //qmul
                 "packssdw %%mm6, %%mm6          \n\t"
@@ -114,7 +114,7 @@ static void dct_unquantize_h263_inter_mmx(MpegEncContext *s,
     assert(s->block_last_index[n]>=0 || s->h263_aic);
 
     nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
-//printf("%d %d  ", qmul, qadd);
+
 __asm__ volatile(
                 "movd %1, %%mm6                 \n\t" //qmul
                 "packssdw %%mm6, %%mm6          \n\t"