From bd96be6e2739dbe5b7a467a318ebfb6241c15eba Mon Sep 17 00:00:00 2001 From: Aneesh Dogra Date: Tue, 27 Dec 2011 11:38:07 +0530 Subject: [PATCH] mpegvideo_enc: K&R cosmetics Signed-off-by: Ronald S. Bultje --- libavcodec/mpegvideo_enc.c | 1019 +++++++++++++++++++++++++------------------- 1 file changed, 580 insertions(+), 439 deletions(-) diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c index 798eb5c..d44db08 100644 --- a/libavcodec/mpegvideo_enc.c +++ b/libavcodec/mpegvideo_enc.c @@ -59,16 +59,18 @@ static int dct_quantize_trellis_c(MpegEncContext *s, DCTELEM *block, int n, int //#define DEBUG -static uint8_t default_mv_penalty[MAX_FCODE+1][MAX_MV*2+1]; -static uint8_t default_fcode_tab[MAX_MV*2+1]; +static uint8_t default_mv_penalty[MAX_FCODE + 1][MAX_MV * 2 + 1]; +static uint8_t default_fcode_tab[MAX_MV * 2 + 1]; -void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64], - const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra) +void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], + uint16_t (*qmat16)[2][64], + const uint16_t *quant_matrix, + int bias, int qmin, int qmax, int intra) { int qscale; - int shift=0; + int shift = 0; - for(qscale=qmin; qscale<=qmax; qscale++){ + for (qscale = qmin; qscale <= qmax; qscale++) { int i; if (dsp->fdct == ff_jpeg_fdct_islow_8 || dsp->fdct == ff_jpeg_fdct_islow_10 @@ -76,140 +78,169 @@ void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][6 || dsp->fdct == ff_faandct #endif ) { - for(i=0;i<64;i++) { - const int j= dsp->idct_permutation[i]; - /* 16 <= qscale * quant_matrix[i] <= 7905 */ - /* 19952 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */ - /* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1 << 36) / 249205026 */ - /* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */ + for (i = 0; i < 64; i++) { + const int j = dsp->idct_permutation[i]; + /* 16 <= qscale * quant_matrix[i] <= 7905 + * Assume x = ff_aanscales[i] * qscale * quant_matrix[i] + * 19952 <= x <= 249205026 + * (1 << 36) / 19952 >= (1 << 36) / (x) >= (1 << 36) / 249205026 + * 3444240 >= (1 << 36) / (x) >= 275 */ qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / - (qscale * quant_matrix[j])); + (qscale * quant_matrix[j])); } } else if (dsp->fdct == fdct_ifast #ifndef FAAN_POSTSCALE || dsp->fdct == ff_faandct #endif ) { - for(i=0;i<64;i++) { - const int j= dsp->idct_permutation[i]; - /* 16 <= qscale * quant_matrix[i] <= 7905 */ - /* 19952 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */ - /* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */ - /* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */ + for (i = 0; i < 64; i++) { + const int j = dsp->idct_permutation[i]; + /* 16 <= qscale * quant_matrix[i] <= 7905 + * Assume x = ff_aanscales[i] * qscale * quant_matrix[i] + * 19952 <= x <= 249205026 + * (1 << 36) / 19952 >= (1 << 36) / (x) >= (1 << 36) / 249205026 + * 3444240 >= (1 << 36) / (x) >= 275 */ qmat[qscale][i] = (int)((UINT64_C(1) << (QMAT_SHIFT + 14)) / - (ff_aanscales[i] * qscale * quant_matrix[j])); + (ff_aanscales[i] * qscale * + quant_matrix[j])); } } else { - for(i=0;i<64;i++) { - const int j= dsp->idct_permutation[i]; + for (i = 0; i < 64; i++) { + const int j = dsp->idct_permutation[i]; /* We can safely suppose that 16 <= quant_matrix[i] <= 255 - So 16 <= qscale * quant_matrix[i] <= 7905 - so (1<<19) / 16 >= (1<<19) / (qscale * quant_matrix[i]) >= (1<<19) / 7905 - so 32768 >= (1<<19) / (qscale * quant_matrix[i]) >= 67 - */ - qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / (qscale * quant_matrix[j])); -// qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[i]); - qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[j]); + * Assume x = qscale * quant_matrix[i] + * So 16 <= x <= 7905 + * so (1 << 19) / 16 >= (1 << 19) / (x) >= (1 << 19) / 7905 + * so 32768 >= (1 << 19) / (x) >= 67 */ + qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / + (qscale * quant_matrix[j])); + //qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) / + // (qscale * quant_matrix[i]); + qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) / + (qscale * quant_matrix[j]); - if(qmat16[qscale][0][i]==0 || qmat16[qscale][0][i]==128*256) qmat16[qscale][0][i]=128*256-1; - qmat16[qscale][1][i]= ROUNDED_DIV(bias<<(16-QUANT_BIAS_SHIFT), qmat16[qscale][0][i]); + if (qmat16[qscale][0][i] == 0 || + qmat16[qscale][0][i] == 128 * 256) + qmat16[qscale][0][i] = 128 * 256 - 1; + qmat16[qscale][1][i] = + ROUNDED_DIV(bias << (16 - QUANT_BIAS_SHIFT), + qmat16[qscale][0][i]); } } - for(i=intra; i<64; i++){ - int64_t max= 8191; + for (i = intra; i < 64; i++) { + int64_t max = 8191; if (dsp->fdct == fdct_ifast #ifndef FAAN_POSTSCALE - || dsp->fdct == ff_faandct + || dsp->fdct == ff_faandct #endif - ) { - max = (8191LL*ff_aanscales[i]) >> 14; + ) { + max = (8191LL * ff_aanscales[i]) >> 14; } - while(((max * qmat[qscale][i]) >> shift) > INT_MAX){ + while (((max * qmat[qscale][i]) >> shift) > INT_MAX) { shift++; } } } - if(shift){ - av_log(NULL, AV_LOG_INFO, "Warning, QMAT_SHIFT is larger than %d, overflows possible\n", QMAT_SHIFT - shift); + if (shift) { + av_log(NULL, AV_LOG_INFO, + "Warning, QMAT_SHIFT is larger than %d, overflows possible\n", + QMAT_SHIFT - shift); } } -static inline void update_qscale(MpegEncContext *s){ - s->qscale= (s->lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7); - s->qscale= av_clip(s->qscale, s->avctx->qmin, s->avctx->qmax); +static inline void update_qscale(MpegEncContext *s) +{ + s->qscale = (s->lambda * 139 + FF_LAMBDA_SCALE * 64) >> + (FF_LAMBDA_SHIFT + 7); + s->qscale = av_clip(s->qscale, s->avctx->qmin, s->avctx->qmax); - s->lambda2= (s->lambda*s->lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT; + s->lambda2 = (s->lambda * s->lambda + FF_LAMBDA_SCALE / 2) >> + FF_LAMBDA_SHIFT; } -void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix){ +void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix) +{ int i; - if(matrix){ + if (matrix) { put_bits(pb, 1, 1); - for(i=0;i<64;i++) { - put_bits(pb, 8, matrix[ ff_zigzag_direct[i] ]); + for (i = 0; i < 64; i++) { + put_bits(pb, 8, matrix[ff_zigzag_direct[i]]); } - }else + } else put_bits(pb, 1, 0); } /** * init s->current_picture.qscale_table from s->lambda_table */ -void ff_init_qscale_tab(MpegEncContext *s){ +void ff_init_qscale_tab(MpegEncContext *s) +{ int8_t * const qscale_table = s->current_picture.f.qscale_table; int i; - for(i=0; imb_num; i++){ - unsigned int lam= s->lambda_table[ s->mb_index2xy[i] ]; - int qp= (lam*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7); - qscale_table[ s->mb_index2xy[i] ]= av_clip(qp, s->avctx->qmin, s->avctx->qmax); + for (i = 0; i < s->mb_num; i++) { + unsigned int lam = s->lambda_table[s->mb_index2xy[i]]; + int qp = (lam * 139 + FF_LAMBDA_SCALE * 64) >> (FF_LAMBDA_SHIFT + 7); + qscale_table[s->mb_index2xy[i]] = av_clip(qp, s->avctx->qmin, + s->avctx->qmax); } } -static void copy_picture_attributes(MpegEncContext *s, AVFrame *dst, AVFrame *src){ +static void copy_picture_attributes(MpegEncContext *s, + AVFrame *dst, + AVFrame *src) +{ int i; dst->pict_type = src->pict_type; dst->quality = src->quality; dst->coded_picture_number = src->coded_picture_number; dst->display_picture_number = src->display_picture_number; -// dst->reference = src->reference; + //dst->reference = src->reference; dst->pts = src->pts; dst->interlaced_frame = src->interlaced_frame; dst->top_field_first = src->top_field_first; - if(s->avctx->me_threshold){ - if(!src->motion_val[0]) + if (s->avctx->me_threshold) { + if (!src->motion_val[0]) av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_val not set!\n"); - if(!src->mb_type) + if (!src->mb_type) av_log(s->avctx, AV_LOG_ERROR, "AVFrame.mb_type not set!\n"); - if(!src->ref_index[0]) + if (!src->ref_index[0]) av_log(s->avctx, AV_LOG_ERROR, "AVFrame.ref_index not set!\n"); - if(src->motion_subsample_log2 != dst->motion_subsample_log2) - av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_subsample_log2 doesn't match! (%d!=%d)\n", - src->motion_subsample_log2, dst->motion_subsample_log2); + if (src->motion_subsample_log2 != dst->motion_subsample_log2) + av_log(s->avctx, AV_LOG_ERROR, + "AVFrame.motion_subsample_log2 doesn't match! (%d!=%d)\n", + src->motion_subsample_log2, dst->motion_subsample_log2); - memcpy(dst->mb_type, src->mb_type, s->mb_stride * s->mb_height * sizeof(dst->mb_type[0])); + memcpy(dst->mb_type, src->mb_type, + s->mb_stride * s->mb_height * sizeof(dst->mb_type[0])); - for(i=0; i<2; i++){ - int stride= ((16*s->mb_width )>>src->motion_subsample_log2) + 1; - int height= ((16*s->mb_height)>>src->motion_subsample_log2); + for (i = 0; i < 2; i++) { + int stride = ((16 * s->mb_width ) >> + src->motion_subsample_log2) + 1; + int height = ((16 * s->mb_height) >> src->motion_subsample_log2); - if(src->motion_val[i] && src->motion_val[i] != dst->motion_val[i]){ - memcpy(dst->motion_val[i], src->motion_val[i], 2*stride*height*sizeof(int16_t)); + if (src->motion_val[i] && + src->motion_val[i] != dst->motion_val[i]) { + memcpy(dst->motion_val[i], src->motion_val[i], + 2 * stride * height * sizeof(int16_t)); } - if(src->ref_index[i] && src->ref_index[i] != dst->ref_index[i]){ - memcpy(dst->ref_index[i], src->ref_index[i], s->mb_stride*4*s->mb_height*sizeof(int8_t)); + if (src->ref_index[i] && src->ref_index[i] != dst->ref_index[i]) { + memcpy(dst->ref_index[i], src->ref_index[i], + s->mb_stride * 4 * s->mb_height * sizeof(int8_t)); } } } } -static void update_duplicate_context_after_me(MpegEncContext *dst, MpegEncContext *src){ +static void update_duplicate_context_after_me(MpegEncContext *dst, + MpegEncContext *src) +{ #define COPY(a) dst->a= src->a COPY(pict_type); COPY(current_picture); @@ -220,9 +251,9 @@ static void update_duplicate_context_after_me(MpegEncContext *dst, MpegEncContex COPY(lambda2); COPY(picture_in_gop_number); COPY(gop_picture_number); - COPY(frame_pred_frame_dct); //FIXME don't set in encode_header - COPY(progressive_frame); //FIXME don't set in encode_header - COPY(partitioned_frame); //FIXME don't set in encode_header + COPY(frame_pred_frame_dct); // FIXME don't set in encode_header + COPY(progressive_frame); // FIXME don't set in encode_header + COPY(partitioned_frame); // FIXME don't set in encode_header #undef COPY } @@ -230,15 +261,16 @@ static void update_duplicate_context_after_me(MpegEncContext *dst, MpegEncContex * Set the given MpegEncContext to defaults for encoding. * the changed fields will not depend upon the prior state of the MpegEncContext. */ -static void MPV_encode_defaults(MpegEncContext *s){ +static void MPV_encode_defaults(MpegEncContext *s) +{ int i; MPV_common_defaults(s); - for(i=-16; i<16; i++){ - default_fcode_tab[i + MAX_MV]= 1; + for (i = -16; i < 16; i++) { + default_fcode_tab[i + MAX_MV] = 1; } - s->me.mv_penalty= default_mv_penalty; - s->fcode_tab= default_fcode_tab; + s->me.mv_penalty = default_mv_penalty; + s->fcode_tab = default_fcode_tab; } /* init video encoder */ @@ -252,27 +284,38 @@ av_cold int MPV_encode_init(AVCodecContext *avctx) switch (avctx->codec_id) { case CODEC_ID_MPEG2VIDEO: - if(avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P){ - av_log(avctx, AV_LOG_ERROR, "only YUV420 and YUV422 are supported\n"); + if (avctx->pix_fmt != PIX_FMT_YUV420P && + avctx->pix_fmt != PIX_FMT_YUV422P) { + av_log(avctx, AV_LOG_ERROR, + "only YUV420 and YUV422 are supported\n"); return -1; } break; case CODEC_ID_LJPEG: - if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P && avctx->pix_fmt != PIX_FMT_YUVJ444P && avctx->pix_fmt != PIX_FMT_BGRA && - ((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P && avctx->pix_fmt != PIX_FMT_YUV444P) || avctx->strict_std_compliance>FF_COMPLIANCE_UNOFFICIAL)){ + if (avctx->pix_fmt != PIX_FMT_YUVJ420P && + avctx->pix_fmt != PIX_FMT_YUVJ422P && + avctx->pix_fmt != PIX_FMT_YUVJ444P && + avctx->pix_fmt != PIX_FMT_BGRA && + ((avctx->pix_fmt != PIX_FMT_YUV420P && + avctx->pix_fmt != PIX_FMT_YUV422P && + avctx->pix_fmt != PIX_FMT_YUV444P) || + avctx->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL)) { av_log(avctx, AV_LOG_ERROR, "colorspace not supported in LJPEG\n"); return -1; } break; case CODEC_ID_MJPEG: - if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P && - ((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P) || avctx->strict_std_compliance>FF_COMPLIANCE_UNOFFICIAL)){ + if (avctx->pix_fmt != PIX_FMT_YUVJ420P && + avctx->pix_fmt != PIX_FMT_YUVJ422P && + ((avctx->pix_fmt != PIX_FMT_YUV420P && + avctx->pix_fmt != PIX_FMT_YUV422P) || + avctx->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL)) { av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n"); return -1; } break; default: - if(avctx->pix_fmt != PIX_FMT_YUV420P){ + if (avctx->pix_fmt != PIX_FMT_YUV420P) { av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n"); return -1; } @@ -291,34 +334,36 @@ av_cold int MPV_encode_init(AVCodecContext *avctx) } s->bit_rate = avctx->bit_rate; - s->width = avctx->width; - s->height = avctx->height; - if(avctx->gop_size > 600 && avctx->strict_std_compliance>FF_COMPLIANCE_EXPERIMENTAL){ - av_log(avctx, AV_LOG_ERROR, "Warning keyframe interval too large! reducing it ...\n"); - avctx->gop_size=600; - } - s->gop_size = avctx->gop_size; - s->avctx = avctx; - s->flags= avctx->flags; - s->flags2= avctx->flags2; - s->max_b_frames= avctx->max_b_frames; - s->codec_id= avctx->codec->id; - 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->width = avctx->width; + s->height = avctx->height; + if (avctx->gop_size > 600 && + avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) { + av_log(avctx, AV_LOG_ERROR, + "Warning keyframe interval too large! reducing it ...\n"); + avctx->gop_size = 600; + } + s->gop_size = avctx->gop_size; + s->avctx = avctx; + s->flags = avctx->flags; + s->flags2 = avctx->flags2; + s->max_b_frames = avctx->max_b_frames; + s->codec_id = avctx->codec->id; + s->luma_elim_threshold = avctx->luma_elim_threshold; + s->chroma_elim_threshold = avctx->chroma_elim_threshold; + s->strict_std_compliance = avctx->strict_std_compliance; #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; - s->intra_dc_precision= avctx->intra_dc_precision; + s->quarter_sample = (avctx->flags & CODEC_FLAG_QPEL) != 0; + s->mpeg_quant = avctx->mpeg_quant; + s->rtp_mode = !!avctx->rtp_payload_size; + s->intra_dc_precision = avctx->intra_dc_precision; s->user_specified_pts = AV_NOPTS_VALUE; if (s->gop_size <= 1) { s->intra_only = 1; - s->gop_size = 12; + s->gop_size = 12; } else { s->intra_only = 0; } @@ -328,284 +373,349 @@ av_cold int MPV_encode_init(AVCodecContext *avctx) /* Fixed QSCALE */ s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE); - s->adaptive_quant= ( s->avctx->lumi_masking - || s->avctx->dark_masking - || s->avctx->temporal_cplx_masking - || s->avctx->spatial_cplx_masking - || s->avctx->p_masking - || s->avctx->border_masking - || (s->flags&CODEC_FLAG_QP_RD)) - && !s->fixed_qscale; + s->adaptive_quant = (s->avctx->lumi_masking || + s->avctx->dark_masking || + s->avctx->temporal_cplx_masking || + s->avctx->spatial_cplx_masking || + s->avctx->p_masking || + s->avctx->border_masking || + (s->flags & CODEC_FLAG_QP_RD)) && + !s->fixed_qscale; - s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER); + 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); + 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"); + 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"); return -1; } - if(avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate){ - av_log(avctx, AV_LOG_INFO, "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n"); + if (avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate) { + av_log(avctx, AV_LOG_INFO, + "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n"); } - if(avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate){ + if (avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate) { av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n"); return -1; } - if(avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate){ + if (avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate) { av_log(avctx, AV_LOG_INFO, "bitrate above max bitrate\n"); return -1; } - if(avctx->rc_max_rate && avctx->rc_max_rate == avctx->bit_rate && avctx->rc_max_rate != avctx->rc_min_rate){ - av_log(avctx, AV_LOG_INFO, "impossible bitrate constraints, this will fail\n"); + if (avctx->rc_max_rate && + avctx->rc_max_rate == avctx->bit_rate && + avctx->rc_max_rate != avctx->rc_min_rate) { + av_log(avctx, AV_LOG_INFO, + "impossible bitrate constraints, this will fail\n"); } - if(avctx->rc_buffer_size && avctx->bit_rate*(int64_t)avctx->time_base.num > avctx->rc_buffer_size * (int64_t)avctx->time_base.den){ + if (avctx->rc_buffer_size && + avctx->bit_rate * (int64_t)avctx->time_base.num > + avctx->rc_buffer_size * (int64_t)avctx->time_base.den) { av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n"); return -1; } - if(!s->fixed_qscale && avctx->bit_rate*av_q2d(avctx->time_base) > avctx->bit_rate_tolerance){ - av_log(avctx, AV_LOG_ERROR, "bitrate tolerance too small for bitrate\n"); + if (!s->fixed_qscale && + avctx->bit_rate * av_q2d(avctx->time_base) > + avctx->bit_rate_tolerance) { + av_log(avctx, AV_LOG_ERROR, + "bitrate tolerance too small for bitrate\n"); return -1; } - if( s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate - && (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO) - && 90000LL * (avctx->rc_buffer_size-1) > s->avctx->rc_max_rate*0xFFFFLL){ - - av_log(avctx, AV_LOG_INFO, "Warning vbv_delay will be set to 0xFFFF (=VBR) as the specified vbv buffer is too large for the given bitrate!\n"); + if (s->avctx->rc_max_rate && + s->avctx->rc_min_rate == s->avctx->rc_max_rate && + (s->codec_id == CODEC_ID_MPEG1VIDEO || + s->codec_id == CODEC_ID_MPEG2VIDEO) && + 90000LL * (avctx->rc_buffer_size - 1) > + s->avctx->rc_max_rate * 0xFFFFLL) { + av_log(avctx, AV_LOG_INFO, + "Warning vbv_delay will be set to 0xFFFF (=VBR) as the " + "specified vbv buffer is too large for the given bitrate!\n"); } - if((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4 - && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P && s->codec_id != CODEC_ID_FLV1){ + if ((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4 && + s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P && + s->codec_id != CODEC_ID_FLV1) { av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n"); return -1; } - if(s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE){ - av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with simple mb decision\n"); + if (s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE) { + av_log(avctx, AV_LOG_ERROR, + "OBMC is only supported with simple mb decision\n"); return -1; } #if FF_API_MPEGVIDEO_GLOBAL_OPTS - if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){ + 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){ + 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"); + 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){ + 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"); return -1; } - if ((s->codec_id == CODEC_ID_MPEG4 || s->codec_id == CODEC_ID_H263 || + if ((s->codec_id == CODEC_ID_MPEG4 || + s->codec_id == CODEC_ID_H263 || s->codec_id == CODEC_ID_H263P) && - (avctx->sample_aspect_ratio.num > 255 || avctx->sample_aspect_ratio.den > 255)) { - av_log(avctx, AV_LOG_ERROR, "Invalid pixel aspect ratio %i/%i, limit is 255/255\n", + (avctx->sample_aspect_ratio.num > 255 || + avctx->sample_aspect_ratio.den > 255)) { + av_log(avctx, AV_LOG_ERROR, + "Invalid pixel aspect ratio %i/%i, limit is 255/255\n", avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den); return -1; } - if((s->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN)) - && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO){ + if ((s->flags & (CODEC_FLAG_INTERLACED_DCT | CODEC_FLAG_INTERLACED_ME | + CODEC_FLAG_ALT_SCAN)) && + s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO) { av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n"); return -1; } - if(s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4){ //FIXME mpeg2 uses that too - av_log(avctx, AV_LOG_ERROR, "mpeg2 style quantization not supported by codec\n"); + // FIXME mpeg2 uses that too + if (s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4) { + av_log(avctx, AV_LOG_ERROR, + "mpeg2 style quantization not supported by codec\n"); return -1; } - if((s->flags & CODEC_FLAG_CBP_RD) && !avctx->trellis){ + if ((s->flags & CODEC_FLAG_CBP_RD) && !avctx->trellis) { av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n"); return -1; } - if((s->flags & CODEC_FLAG_QP_RD) && s->avctx->mb_decision != FF_MB_DECISION_RD){ + if ((s->flags & CODEC_FLAG_QP_RD) && + s->avctx->mb_decision != FF_MB_DECISION_RD) { av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n"); return -1; } - if(s->avctx->scenechange_threshold < 1000000000 && (s->flags & CODEC_FLAG_CLOSED_GOP)){ - av_log(avctx, AV_LOG_ERROR, "closed gop with scene change detection are not supported yet, set threshold to 1000000000\n"); + if (s->avctx->scenechange_threshold < 1000000000 && + (s->flags & CODEC_FLAG_CLOSED_GOP)) { + av_log(avctx, AV_LOG_ERROR, + "closed gop with scene change detection are not supported yet, " + "set threshold to 1000000000\n"); return -1; } - if((s->flags2 & CODEC_FLAG2_INTRA_VLC) && s->codec_id != CODEC_ID_MPEG2VIDEO){ - av_log(avctx, AV_LOG_ERROR, "intra vlc table not supported by codec\n"); + if ((s->flags2 & CODEC_FLAG2_INTRA_VLC) && + s->codec_id != CODEC_ID_MPEG2VIDEO) { + av_log(avctx, AV_LOG_ERROR, + "intra vlc table not supported by codec\n"); return -1; } - if(s->flags & CODEC_FLAG_LOW_DELAY){ - if (s->codec_id != CODEC_ID_MPEG2VIDEO){ - av_log(avctx, AV_LOG_ERROR, "low delay forcing is only available for mpeg2\n"); + if (s->flags & CODEC_FLAG_LOW_DELAY) { + if (s->codec_id != CODEC_ID_MPEG2VIDEO) { + av_log(avctx, AV_LOG_ERROR, + "low delay forcing is only available for mpeg2\n"); return -1; } - if (s->max_b_frames != 0){ - av_log(avctx, AV_LOG_ERROR, "b frames cannot be used with low delay\n"); + if (s->max_b_frames != 0) { + av_log(avctx, AV_LOG_ERROR, + "b frames cannot be used with low delay\n"); return -1; } } - if(s->q_scale_type == 1){ + 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"); + 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"); + if (avctx->qmax > 12) { + av_log(avctx, AV_LOG_ERROR, + "non linear quant only supports qmax <= 12 currently\n"); return -1; } } - if(s->avctx->thread_count > 1 && s->codec_id != CODEC_ID_MPEG4 - && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO - && (s->codec_id != CODEC_ID_H263P || !(s->flags & CODEC_FLAG_H263P_SLICE_STRUCT))){ - av_log(avctx, AV_LOG_ERROR, "multi threaded encoding not supported by codec\n"); + if (s->avctx->thread_count > 1 && + s->codec_id != CODEC_ID_MPEG4 && + s->codec_id != CODEC_ID_MPEG1VIDEO && + s->codec_id != CODEC_ID_MPEG2VIDEO && + (s->codec_id != CODEC_ID_H263P || + !(s->flags & CODEC_FLAG_H263P_SLICE_STRUCT))) { + av_log(avctx, AV_LOG_ERROR, + "multi threaded encoding not supported by codec\n"); return -1; } - if(s->avctx->thread_count < 1){ - av_log(avctx, AV_LOG_ERROR, "automatic thread number detection not supported by codec, patch welcome\n"); + if (s->avctx->thread_count < 1) { + av_log(avctx, AV_LOG_ERROR, + "automatic thread number detection not supported by codec," + "patch welcome\n"); return -1; } - if(s->avctx->thread_count > 1) - s->rtp_mode= 1; + if (s->avctx->thread_count > 1) + s->rtp_mode = 1; - if(!avctx->time_base.den || !avctx->time_base.num){ + if (!avctx->time_base.den || !avctx->time_base.num) { av_log(avctx, AV_LOG_ERROR, "framerate not set\n"); return -1; } - i= (INT_MAX/2+128)>>8; - if(avctx->me_threshold >= i){ - av_log(avctx, AV_LOG_ERROR, "me_threshold too large, max is %d\n", i - 1); + i = (INT_MAX / 2 + 128) >> 8; + if (avctx->me_threshold >= i) { + av_log(avctx, AV_LOG_ERROR, "me_threshold too large, max is %d\n", + i - 1); return -1; } - if(avctx->mb_threshold >= i){ - av_log(avctx, AV_LOG_ERROR, "mb_threshold too large, max is %d\n", i - 1); + if (avctx->mb_threshold >= i) { + av_log(avctx, AV_LOG_ERROR, "mb_threshold too large, max is %d\n", + i - 1); return -1; } - if(avctx->b_frame_strategy && (avctx->flags&CODEC_FLAG_PASS2)){ - av_log(avctx, AV_LOG_INFO, "notice: b_frame_strategy only affects the first pass\n"); + if (avctx->b_frame_strategy && (avctx->flags & CODEC_FLAG_PASS2)) { + av_log(avctx, AV_LOG_INFO, + "notice: b_frame_strategy only affects the first pass\n"); avctx->b_frame_strategy = 0; } - i= av_gcd(avctx->time_base.den, avctx->time_base.num); - if(i > 1){ + i = av_gcd(avctx->time_base.den, avctx->time_base.num); + if (i > 1) { av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n"); avctx->time_base.den /= i; avctx->time_base.num /= i; -// return -1; - } - - if(s->mpeg_quant || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO || s->codec_id==CODEC_ID_MJPEG){ - s->intra_quant_bias= 3<<(QUANT_BIAS_SHIFT-3); //(a + x*3/8)/x - s->inter_quant_bias= 0; - }else{ - s->intra_quant_bias=0; - s->inter_quant_bias=-(1<<(QUANT_BIAS_SHIFT-2)); //(a - x/4)/x + //return -1; } - if(avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS) - s->intra_quant_bias= avctx->intra_quant_bias; - if(avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS) - s->inter_quant_bias= avctx->inter_quant_bias; - - avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift); - - if(avctx->codec_id == CODEC_ID_MPEG4 && s->avctx->time_base.den > (1<<16)-1){ - av_log(avctx, AV_LOG_ERROR, "timebase %d/%d not supported by MPEG 4 standard, " - "the maximum admitted value for the timebase denominator is %d\n", - s->avctx->time_base.num, s->avctx->time_base.den, (1<<16)-1); + if (s->mpeg_quant || s->codec_id == CODEC_ID_MPEG1VIDEO || + s->codec_id == CODEC_ID_MPEG2VIDEO || s->codec_id == CODEC_ID_MJPEG) { + // (a + x * 3 / 8) / x + s->intra_quant_bias = 3 << (QUANT_BIAS_SHIFT - 3); + s->inter_quant_bias = 0; + } else { + s->intra_quant_bias = 0; + // (a - x / 4) / x + s->inter_quant_bias = -(1 << (QUANT_BIAS_SHIFT - 2)); + } + + if (avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS) + s->intra_quant_bias = avctx->intra_quant_bias; + if (avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS) + s->inter_quant_bias = avctx->inter_quant_bias; + + avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, + &chroma_v_shift); + + if (avctx->codec_id == CODEC_ID_MPEG4 && + s->avctx->time_base.den > (1 << 16) - 1) { + av_log(avctx, AV_LOG_ERROR, + "timebase %d/%d not supported by MPEG 4 standard, " + "the maximum admitted value for the timebase denominator " + "is %d\n", s->avctx->time_base.num, s->avctx->time_base.den, + (1 << 16) - 1); return -1; } s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1; - switch(avctx->codec->id) { + switch (avctx->codec->id) { case CODEC_ID_MPEG1VIDEO: s->out_format = FMT_MPEG1; - s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY); - avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1); + s->low_delay = !!(s->flags & CODEC_FLAG_LOW_DELAY); + avctx->delay = s->low_delay ? 0 : (s->max_b_frames + 1); break; case CODEC_ID_MPEG2VIDEO: s->out_format = FMT_MPEG1; - s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY); - avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1); - s->rtp_mode= 1; + s->low_delay = !!(s->flags & CODEC_FLAG_LOW_DELAY); + avctx->delay = s->low_delay ? 0 : (s->max_b_frames + 1); + s->rtp_mode = 1; break; case CODEC_ID_LJPEG: case CODEC_ID_MJPEG: s->out_format = FMT_MJPEG; s->intra_only = 1; /* force intra only for jpeg */ - if(avctx->codec->id == CODEC_ID_LJPEG && avctx->pix_fmt == PIX_FMT_BGRA){ + if (avctx->codec->id == CODEC_ID_LJPEG && + avctx->pix_fmt == PIX_FMT_BGRA) { s->mjpeg_vsample[0] = s->mjpeg_hsample[0] = s->mjpeg_vsample[1] = s->mjpeg_hsample[1] = s->mjpeg_vsample[2] = s->mjpeg_hsample[2] = 1; - }else{ + } else { s->mjpeg_vsample[0] = 2; - s->mjpeg_vsample[1] = 2>>chroma_v_shift; - s->mjpeg_vsample[2] = 2>>chroma_v_shift; + s->mjpeg_vsample[1] = 2 >> chroma_v_shift; + s->mjpeg_vsample[2] = 2 >> chroma_v_shift; s->mjpeg_hsample[0] = 2; - s->mjpeg_hsample[1] = 2>>chroma_h_shift; - s->mjpeg_hsample[2] = 2>>chroma_h_shift; + s->mjpeg_hsample[1] = 2 >> chroma_h_shift; + s->mjpeg_hsample[2] = 2 >> chroma_h_shift; } - if (!(CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER) - || ff_mjpeg_encode_init(s) < 0) + if (!(CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER) || + ff_mjpeg_encode_init(s) < 0) return -1; - avctx->delay=0; - s->low_delay=1; + avctx->delay = 0; + s->low_delay = 1; break; case CODEC_ID_H261: - if (!CONFIG_H261_ENCODER) return -1; + if (!CONFIG_H261_ENCODER) + return -1; if (ff_h261_get_picture_format(s->width, s->height) < 0) { - av_log(avctx, AV_LOG_ERROR, "The specified picture size of %dx%d is not valid for the H.261 codec.\nValid sizes are 176x144, 352x288\n", s->width, s->height); + av_log(avctx, AV_LOG_ERROR, + "The specified picture size of %dx%d is not valid for the " + "H.261 codec.\nValid sizes are 176x144, 352x288\n", + s->width, s->height); return -1; } s->out_format = FMT_H261; - avctx->delay=0; - s->low_delay=1; + avctx->delay = 0; + s->low_delay = 1; break; case CODEC_ID_H263: - if (!CONFIG_H263_ENCODER) return -1; - if (ff_match_2uint16(h263_format, FF_ARRAY_ELEMS(h263_format), s->width, s->height) == 8) { - av_log(avctx, AV_LOG_INFO, "The specified picture size of %dx%d is not valid for the H.263 codec.\nValid sizes are 128x96, 176x144, 352x288, 704x576, and 1408x1152. Try H.263+.\n", s->width, s->height); + if (!CONFIG_H263_ENCODER) + return -1; + if (ff_match_2uint16(h263_format, FF_ARRAY_ELEMS(h263_format), + s->width, s->height) == 8) { + av_log(avctx, AV_LOG_INFO, + "The specified picture size of %dx%d is not valid for " + "the H.263 codec.\nValid sizes are 128x96, 176x144, " + "352x288, 704x576, and 1408x1152." + "Try H.263+.\n", s->width, s->height); return -1; } s->out_format = FMT_H263; - avctx->delay=0; - s->low_delay=1; + avctx->delay = 0; + s->low_delay = 1; break; case CODEC_ID_H263P: s->out_format = FMT_H263; - s->h263_plus = 1; + s->h263_plus = 1; /* Fx */ #if FF_API_MPEGVIDEO_GLOBAL_OPTS if (avctx->flags & CODEC_FLAG_H263P_UMV) @@ -615,108 +725,110 @@ av_cold int MPV_encode_init(AVCodecContext *avctx) 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->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0; - s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus; + s->h263_aic = (avctx->flags & CODEC_FLAG_AC_PRED) ? 1 : 0; + s->modified_quant = s->h263_aic; + s->loop_filter = (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1 : 0; + s->unrestricted_mv = s->obmc || s->loop_filter || s->umvplus; /* /Fx */ /* These are just to be sure */ - avctx->delay=0; - s->low_delay=1; + avctx->delay = 0; + s->low_delay = 1; break; case CODEC_ID_FLV1: - s->out_format = FMT_H263; - s->h263_flv = 2; /* format = 1; 11-bit codes */ + s->out_format = FMT_H263; + s->h263_flv = 2; /* format = 1; 11-bit codes */ s->unrestricted_mv = 1; - s->rtp_mode=0; /* don't allow GOB */ - avctx->delay=0; - s->low_delay=1; + s->rtp_mode = 0; /* don't allow GOB */ + avctx->delay = 0; + s->low_delay = 1; break; case CODEC_ID_RV10: s->out_format = FMT_H263; - avctx->delay=0; - s->low_delay=1; + avctx->delay = 0; + s->low_delay = 1; break; case CODEC_ID_RV20: - s->out_format = FMT_H263; - avctx->delay=0; - s->low_delay=1; - s->modified_quant=1; - s->h263_aic=1; - s->h263_plus=1; - s->loop_filter=1; - s->unrestricted_mv= 0; + s->out_format = FMT_H263; + avctx->delay = 0; + s->low_delay = 1; + s->modified_quant = 1; + s->h263_aic = 1; + s->h263_plus = 1; + s->loop_filter = 1; + s->unrestricted_mv = 0; break; case CODEC_ID_MPEG4: - s->out_format = FMT_H263; - s->h263_pred = 1; + s->out_format = FMT_H263; + s->h263_pred = 1; s->unrestricted_mv = 1; - s->low_delay= s->max_b_frames ? 0 : 1; - avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1); + s->low_delay = s->max_b_frames ? 0 : 1; + avctx->delay = s->low_delay ? 0 : (s->max_b_frames + 1); break; case CODEC_ID_MSMPEG4V2: - s->out_format = FMT_H263; - s->h263_pred = 1; + s->out_format = FMT_H263; + s->h263_pred = 1; s->unrestricted_mv = 1; - s->msmpeg4_version= 2; - avctx->delay=0; - s->low_delay=1; + s->msmpeg4_version = 2; + avctx->delay = 0; + s->low_delay = 1; break; case CODEC_ID_MSMPEG4V3: - s->out_format = FMT_H263; - s->h263_pred = 1; - s->unrestricted_mv = 1; - s->msmpeg4_version= 3; - s->flipflop_rounding=1; - avctx->delay=0; - s->low_delay=1; + s->out_format = FMT_H263; + s->h263_pred = 1; + s->unrestricted_mv = 1; + s->msmpeg4_version = 3; + s->flipflop_rounding = 1; + avctx->delay = 0; + s->low_delay = 1; break; case CODEC_ID_WMV1: - s->out_format = FMT_H263; - s->h263_pred = 1; - s->unrestricted_mv = 1; - s->msmpeg4_version= 4; - s->flipflop_rounding=1; - avctx->delay=0; - s->low_delay=1; + s->out_format = FMT_H263; + s->h263_pred = 1; + s->unrestricted_mv = 1; + s->msmpeg4_version = 4; + s->flipflop_rounding = 1; + avctx->delay = 0; + s->low_delay = 1; break; case CODEC_ID_WMV2: - s->out_format = FMT_H263; - s->h263_pred = 1; - s->unrestricted_mv = 1; - s->msmpeg4_version= 5; - s->flipflop_rounding=1; - avctx->delay=0; - s->low_delay=1; + s->out_format = FMT_H263; + s->h263_pred = 1; + s->unrestricted_mv = 1; + s->msmpeg4_version = 5; + s->flipflop_rounding = 1; + avctx->delay = 0; + s->low_delay = 1; break; default: return -1; } - avctx->has_b_frames= !s->low_delay; + avctx->has_b_frames = !s->low_delay; s->encoding = 1; - s->progressive_frame= - s->progressive_sequence= !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN)); + s->progressive_frame = + s->progressive_sequence = !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT | + CODEC_FLAG_INTERLACED_ME | + CODEC_FLAG_ALT_SCAN)); /* init */ if (MPV_common_init(s) < 0) return -1; - if(!s->dct_quantize) + if (!s->dct_quantize) s->dct_quantize = dct_quantize_c; - if(!s->denoise_dct) - s->denoise_dct = denoise_dct_c; + if (!s->denoise_dct) + s->denoise_dct = denoise_dct_c; s->fast_dct_quantize = s->dct_quantize; - if(avctx->trellis) - s->dct_quantize = dct_quantize_trellis_c; + if (avctx->trellis) + s->dct_quantize = dct_quantize_trellis_c; - if((CONFIG_H263P_ENCODER || CONFIG_RV20_ENCODER) && s->modified_quant) - s->chroma_qscale_table= ff_h263_chroma_qscale_table; + if ((CONFIG_H263P_ENCODER || CONFIG_RV20_ENCODER) && s->modified_quant) + s->chroma_qscale_table = ff_h263_chroma_qscale_table; - s->quant_precision=5; + s->quant_precision = 5; 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); @@ -732,22 +844,23 @@ av_cold int MPV_encode_init(AVCodecContext *avctx) ff_mpeg1_encode_init(s); /* init q matrix */ - for(i=0;i<64;i++) { - int j= s->dsp.idct_permutation[i]; - if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){ + for (i = 0; i < 64; i++) { + int j = s->dsp.idct_permutation[i]; + if (CONFIG_MPEG4_ENCODER && s->codec_id == CODEC_ID_MPEG4 && + s->mpeg_quant) { s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i]; s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i]; - }else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){ + } else if (s->out_format == FMT_H263 || s->out_format == FMT_H261) { s->intra_matrix[j] = s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i]; - }else - { /* mpeg1/2 */ + } else { + /* mpeg1/2 */ s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i]; s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i]; } - if(s->avctx->intra_matrix) + if (s->avctx->intra_matrix) s->intra_matrix[j] = s->avctx->intra_matrix[i]; - if(s->avctx->inter_matrix) + if (s->avctx->inter_matrix) s->inter_matrix[j] = s->avctx->inter_matrix[i]; } @@ -755,12 +868,14 @@ av_cold int MPV_encode_init(AVCodecContext *avctx) /* for mjpeg, we do include qscale in the matrix */ if (s->out_format != FMT_MJPEG) { ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16, - s->intra_matrix, s->intra_quant_bias, avctx->qmin, 31, 1); + s->intra_matrix, s->intra_quant_bias, avctx->qmin, + 31, 1); ff_convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16, - s->inter_matrix, s->inter_quant_bias, avctx->qmin, 31, 0); + s->inter_matrix, s->inter_quant_bias, avctx->qmin, + 31, 0); } - if(ff_rate_control_init(s) < 0) + if (ff_rate_control_init(s) < 0) return -1; return 0; @@ -773,7 +888,8 @@ av_cold int MPV_encode_end(AVCodecContext *avctx) ff_rate_control_uninit(s); MPV_common_end(s); - if ((CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER) && s->out_format == FMT_MJPEG) + if ((CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER) && + s->out_format == FMT_MJPEG) ff_mjpeg_encode_close(s); av_freep(&avctx->extradata); @@ -781,133 +897,148 @@ av_cold int MPV_encode_end(AVCodecContext *avctx) return 0; } -static int get_sae(uint8_t *src, int ref, int stride){ +static int get_sae(uint8_t *src, int ref, int stride) +{ int x,y; - int acc=0; + int acc = 0; - for(y=0; y<16; y++){ - for(x=0; x<16; x++){ - acc+= FFABS(src[x+y*stride] - ref); + for (y = 0; y < 16; y++) { + for (x = 0; x < 16; x++) { + acc += FFABS(src[x + y * stride] - ref); } } return acc; } -static int get_intra_count(MpegEncContext *s, uint8_t *src, uint8_t *ref, int stride){ +static int get_intra_count(MpegEncContext *s, uint8_t *src, + uint8_t *ref, int stride) +{ int x, y, w, h; - int acc=0; + int acc = 0; - w= s->width &~15; - h= s->height&~15; + w = s->width & ~15; + h = s->height & ~15; - for(y=0; ydsp.sad[0](NULL, src + offset, ref + offset, stride, 16); - int mean= (s->dsp.pix_sum(src + offset, stride) + 128)>>8; - int sae = get_sae(src + offset, mean, stride); + for (y = 0; y < h; y += 16) { + for (x = 0; x < w; x += 16) { + int offset = x + y * stride; + int sad = s->dsp.sad[0](NULL, src + offset, ref + offset, stride, + 16); + int mean = (s->dsp.pix_sum(src + offset, stride) + 128) >> 8; + int sae = get_sae(src + offset, mean, stride); - acc+= sae + 500 < sad; + acc += sae + 500 < sad; } } return acc; } -static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){ - AVFrame *pic=NULL; +static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg) +{ + AVFrame *pic = NULL; int64_t pts; int i; - const int encoding_delay= s->max_b_frames; - int direct=1; - - if(pic_arg){ - pts= pic_arg->pts; - pic_arg->display_picture_number= s->input_picture_number++; - - if(pts != AV_NOPTS_VALUE){ - if(s->user_specified_pts != AV_NOPTS_VALUE){ - int64_t time= pts; - int64_t last= s->user_specified_pts; - - if(time <= last){ - av_log(s->avctx, AV_LOG_ERROR, "Error, Invalid timestamp=%"PRId64", last=%"PRId64"\n", pts, s->user_specified_pts); + const int encoding_delay = s->max_b_frames; + int direct = 1; + + if (pic_arg) { + pts = pic_arg->pts; + pic_arg->display_picture_number = s->input_picture_number++; + + if (pts != AV_NOPTS_VALUE) { + if (s->user_specified_pts != AV_NOPTS_VALUE) { + int64_t time = pts; + int64_t last = s->user_specified_pts; + + if (time <= last) { + av_log(s->avctx, AV_LOG_ERROR, + "Error, Invalid timestamp=%"PRId64", " + "last=%"PRId64"\n", pts, s->user_specified_pts); return -1; } } - s->user_specified_pts= pts; - }else{ - if(s->user_specified_pts != AV_NOPTS_VALUE){ - s->user_specified_pts= - pts= s->user_specified_pts + 1; - av_log(s->avctx, AV_LOG_INFO, "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n", pts); - }else{ - pts= pic_arg->display_picture_number; + s->user_specified_pts = pts; + } else { + if (s->user_specified_pts != AV_NOPTS_VALUE) { + s->user_specified_pts = + pts = s->user_specified_pts + 1; + av_log(s->avctx, AV_LOG_INFO, + "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n", + pts); + } else { + pts = pic_arg->display_picture_number; } } } - if(pic_arg){ - if(encoding_delay && !(s->flags&CODEC_FLAG_INPUT_PRESERVED)) direct=0; - if(pic_arg->linesize[0] != s->linesize) direct=0; - if(pic_arg->linesize[1] != s->uvlinesize) direct=0; - if(pic_arg->linesize[2] != s->uvlinesize) direct=0; + if (pic_arg) { + if (encoding_delay && !(s->flags & CODEC_FLAG_INPUT_PRESERVED)) + direct = 0; + if (pic_arg->linesize[0] != s->linesize) + direct = 0; + if (pic_arg->linesize[1] != s->uvlinesize) + direct = 0; + 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_log(AV_LOG_DEBUG, "%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); + if (direct) { + i = ff_find_unused_picture(s, 1); if (i < 0) return i; - pic= (AVFrame*)&s->picture[i]; - pic->reference= 3; + pic = (AVFrame *) &s->picture[i]; + pic->reference = 3; - for(i=0; i<4; i++){ - pic->data[i]= pic_arg->data[i]; - pic->linesize[i]= pic_arg->linesize[i]; + for (i = 0; i < 4; i++) { + pic->data[i] = pic_arg->data[i]; + pic->linesize[i] = pic_arg->linesize[i]; } - if(ff_alloc_picture(s, (Picture*)pic, 1) < 0){ + if (ff_alloc_picture(s, (Picture *) pic, 1) < 0) { return -1; } - }else{ - i= ff_find_unused_picture(s, 0); + } else { + i = ff_find_unused_picture(s, 0); if (i < 0) return i; - pic= (AVFrame*)&s->picture[i]; - pic->reference= 3; + pic = (AVFrame *) &s->picture[i]; + pic->reference = 3; - if(ff_alloc_picture(s, (Picture*)pic, 0) < 0){ + if (ff_alloc_picture(s, (Picture *) pic, 0) < 0) { return -1; } - if( pic->data[0] + INPLACE_OFFSET == pic_arg->data[0] - && pic->data[1] + INPLACE_OFFSET == pic_arg->data[1] - && pic->data[2] + INPLACE_OFFSET == pic_arg->data[2]){ - // empty - }else{ + if (pic->data[0] + INPLACE_OFFSET == pic_arg->data[0] && + pic->data[1] + INPLACE_OFFSET == pic_arg->data[1] && + pic->data[2] + INPLACE_OFFSET == pic_arg->data[2]) { + // empty + } else { int h_chroma_shift, v_chroma_shift; - avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift); - - for(i=0; i<3; i++){ - int src_stride= pic_arg->linesize[i]; - int dst_stride= i ? s->uvlinesize : s->linesize; - int h_shift= i ? h_chroma_shift : 0; - int v_shift= i ? v_chroma_shift : 0; - int w= s->width >>h_shift; - int h= s->height>>v_shift; - uint8_t *src= pic_arg->data[i]; - uint8_t *dst= pic->data[i]; - - if(!s->avctx->rc_buffer_size) - dst +=INPLACE_OFFSET; - - if(src_stride==dst_stride) - memcpy(dst, src, src_stride*h); - else{ - while(h--){ + avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, + &v_chroma_shift); + + for (i = 0; i < 3; i++) { + int src_stride = pic_arg->linesize[i]; + int dst_stride = i ? s->uvlinesize : s->linesize; + int h_shift = i ? h_chroma_shift : 0; + int v_shift = i ? v_chroma_shift : 0; + int w = s->width >> h_shift; + int h = s->height >> v_shift; + uint8_t *src = pic_arg->data[i]; + uint8_t *dst = pic->data[i]; + + if (!s->avctx->rc_buffer_size) + dst += INPLACE_OFFSET; + + if (src_stride == dst_stride) + memcpy(dst, src, src_stride * h); + else { + while (h--) { memcpy(dst, src, w); dst += dst_stride; src += src_stride; @@ -917,81 +1048,91 @@ static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){ } } copy_picture_attributes(s, pic, pic_arg); - pic->pts= pts; //we set this here to avoid modifiying pic_arg + pic->pts = pts; // we set this here to avoid modifiying pic_arg } /* shift buffer entries */ - for(i=1; iencoding_delay+1*/; i++) - s->input_picture[i-1]= s->input_picture[i]; + for (i = 1; i < MAX_PICTURE_COUNT /*s->encoding_delay + 1*/; i++) + s->input_picture[i - 1] = s->input_picture[i]; - s->input_picture[encoding_delay]= (Picture*)pic; + s->input_picture[encoding_delay] = (Picture*) pic; return 0; } -static int skip_check(MpegEncContext *s, Picture *p, Picture *ref){ +static int skip_check(MpegEncContext *s, Picture *p, Picture *ref) +{ int x, y, plane; - int score=0; - int64_t score64=0; + int score = 0; + int64_t score64 = 0; - for(plane=0; plane<3; plane++){ + for (plane = 0; plane < 3; plane++) { const int stride = p->f.linesize[plane]; - const int bw= plane ? 1 : 2; - for(y=0; ymb_height*bw; y++){ - for(x=0; xmb_width*bw; x++){ - int off = p->f.type == FF_BUFFER_TYPE_SHARED ? 0: 16; - int v = s->dsp.frame_skip_cmp[1](s, p->f.data[plane] + 8*(x + y*stride)+off, ref->f.data[plane] + 8*(x + y*stride), stride, 8); - - switch(s->avctx->frame_skip_exp){ - case 0: score= FFMAX(score, v); break; - case 1: score+= FFABS(v);break; - case 2: score+= v*v;break; - case 3: score64+= FFABS(v*v*(int64_t)v);break; - case 4: score64+= v*v*(int64_t)(v*v);break; + const int bw = plane ? 1 : 2; + for (y = 0; y < s->mb_height * bw; y++) { + for (x = 0; x < s->mb_width * bw; x++) { + int off = p->f.type == FF_BUFFER_TYPE_SHARED ? 0 : 16; + uint8_t *dptr = p->f.data[plane] + 8 * (x + y * stride) + off; + uint8_t *rptr = ref->f.data[plane] + 8 * (x + y * stride); + int v = s->dsp.frame_skip_cmp[1](s, dptr, rptr, stride, 8); + + switch (s->avctx->frame_skip_exp) { + case 0: score = FFMAX(score, v); break; + case 1: score += FFABS(v); break; + case 2: score += v * v; break; + case 3: score64 += FFABS(v * v * (int64_t)v); break; + case 4: score64 += v * v * (int64_t)(v * v); break; } } } } - if(score) score64= score; + if (score) + score64 = score; - if(score64 < s->avctx->frame_skip_threshold) + if (score64 < s->avctx->frame_skip_threshold) return 1; - if(score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda)>>8)) + if (score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda) >> 8)) return 1; return 0; } -static int estimate_best_b_count(MpegEncContext *s){ - AVCodec *codec= avcodec_find_encoder(s->avctx->codec_id); +static int estimate_best_b_count(MpegEncContext *s) +{ + AVCodec *codec = avcodec_find_encoder(s->avctx->codec_id); AVCodecContext *c = avcodec_alloc_context3(NULL); - AVFrame input[FF_MAX_B_FRAMES+2]; - const int scale= s->avctx->brd_scale; + AVFrame input[FF_MAX_B_FRAMES + 2]; + const int scale = s->avctx->brd_scale; int i, j, out_size, p_lambda, b_lambda, lambda2; - int outbuf_size= s->width * s->height; //FIXME - uint8_t *outbuf= av_malloc(outbuf_size); - int64_t best_rd= INT64_MAX; - int best_b_count= -1; - - assert(scale>=0 && scale <=3); - -// emms_c(); - p_lambda= s->last_lambda_for[AV_PICTURE_TYPE_P]; //s->next_picture_ptr->quality; - b_lambda= s->last_lambda_for[AV_PICTURE_TYPE_B]; //p_lambda *FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset; - if(!b_lambda) b_lambda= p_lambda; //FIXME we should do this somewhere else - lambda2= (b_lambda*b_lambda + (1<> FF_LAMBDA_SHIFT; - - c->width = s->width >> scale; - c->height= s->height>> scale; - c->flags= CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR | CODEC_FLAG_INPUT_PRESERVED /*| CODEC_FLAG_EMU_EDGE*/; - c->flags|= s->avctx->flags & CODEC_FLAG_QPEL; - c->mb_decision= s->avctx->mb_decision; - c->me_cmp= s->avctx->me_cmp; - c->mb_cmp= s->avctx->mb_cmp; - c->me_sub_cmp= s->avctx->me_sub_cmp; - c->pix_fmt = PIX_FMT_YUV420P; - c->time_base= s->avctx->time_base; - c->max_b_frames= s->max_b_frames; + int outbuf_size = s->width * s->height; // FIXME + uint8_t *outbuf = av_malloc(outbuf_size); + int64_t best_rd = INT64_MAX; + int best_b_count = -1; + + assert(scale >= 0 && scale <= 3); + + //emms_c(); + //s->next_picture_ptr->quality; + p_lambda = s->last_lambda_for[AV_PICTURE_TYPE_P]; + //p_lambda * FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset; + b_lambda = s->last_lambda_for[AV_PICTURE_TYPE_B]; + if (!b_lambda) // FIXME we should do this somewhere else + b_lambda = p_lambda; + lambda2 = (b_lambda * b_lambda + (1 << FF_LAMBDA_SHIFT) / 2) >> + FF_LAMBDA_SHIFT; + + c->width = s->width >> scale; + c->height = s->height >> scale; + c->flags = CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR | + CODEC_FLAG_INPUT_PRESERVED /*| CODEC_FLAG_EMU_EDGE*/; + c->flags |= s->avctx->flags & CODEC_FLAG_QPEL; + c->mb_decision = s->avctx->mb_decision; + c->me_cmp = s->avctx->me_cmp; + c->mb_cmp = s->avctx->mb_cmp; + c->me_sub_cmp = s->avctx->me_sub_cmp; + c->pix_fmt = PIX_FMT_YUV420P; + c->time_base = s->avctx->time_base; + c->max_b_frames = s->max_b_frames; if (avcodec_open2(c, codec, NULL) < 0) return -1; -- 2.7.4