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https://github.com/FFmpeg/FFmpeg.git
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- ME setting moved to AVCodecContext/MpegEncContext, no longer a global.
- EPZS ME algo used by default. - HQ flag activated for ffmpeg. - Cosmetics ... Originally committed as revision 398 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Juanjo
parent
b1ec5875a6
commit
e4986da9ce
18
ffmpeg.c
18
ffmpeg.c
@ -82,9 +82,11 @@ static int video_qmax = 15;
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static int video_qdiff = 3;
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static float video_qblur = 0.5;
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static float video_qcomp = 0.5;
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static int motion_estimation_method = 0;
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static int video_disable = 0;
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static int video_codec_id = CODEC_ID_NONE;
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static int same_quality = 0;
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static int use_hq = 0;
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static int use_4mv = 0;
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static int do_deinterlace = 0;
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@ -1386,7 +1388,7 @@ void opt_motion_estimation(const char *arg)
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break;
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p++;
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}
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motion_estimation_method = p - motion_str;
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motion_estimation_method = (p - motion_str) - 4;
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}
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void opt_video_codec(const char *arg)
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@ -1763,6 +1765,10 @@ void opt_output_file(const char *filename)
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video_enc->quality = video_qscale;
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}
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if (use_hq) {
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video_enc->flags |= CODEC_FLAG_HQ;
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}
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if (use_4mv) {
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video_enc->flags |= CODEC_FLAG_HQ;
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video_enc->flags |= CODEC_FLAG_4MV;
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@ -1777,6 +1783,9 @@ void opt_output_file(const char *filename)
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video_enc->get_psnr = 1;
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else
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video_enc->get_psnr = 0;
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video_enc->me_method = motion_estimation_method;
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/* XXX: need to find a way to set codec parameters */
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if (oc->format == &ppm_format ||
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oc->format == &ppmpipe_format) {
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@ -2029,11 +2038,11 @@ void show_formats(void)
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pp = motion_str;
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while (*pp) {
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printf(" %s", *pp);
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if ((pp - motion_str) == ME_ZERO)
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if ((pp - motion_str - 4) == ME_ZERO)
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printf("(fastest)");
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else if ((pp - motion_str) == ME_FULL)
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else if ((pp - motion_str - 4) == ME_FULL)
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printf("(slowest)");
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else if ((pp - motion_str) == ME_LOG)
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else if ((pp - motion_str - 4) == ME_EPZS)
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printf("(default)");
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pp++;
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}
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@ -2115,6 +2124,7 @@ const OptionDef options[] = {
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{ "vcodec", HAS_ARG | OPT_EXPERT, {(void*)opt_video_codec}, "force video codec", "codec" },
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{ "me", HAS_ARG | OPT_EXPERT, {(void*)opt_motion_estimation}, "set motion estimation method",
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"method" },
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{ "hq", OPT_BOOL | OPT_EXPERT, {(void*)&use_hq}, "activate high quality settings" },
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{ "4mv", OPT_BOOL | OPT_EXPERT, {(void*)&use_4mv}, "use four motion vector by macroblock (only MPEG-4)" },
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{ "sameq", OPT_BOOL, {(void*)&same_quality},
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"use same video quality as source (implies VBR)" },
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@ -56,14 +56,18 @@ enum SampleFormat {
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/* in bytes */
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#define AVCODEC_MAX_AUDIO_FRAME_SIZE 18432
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/* motion estimation type */
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extern int motion_estimation_method;
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#define ME_ZERO 0
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#define ME_FULL 1
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#define ME_LOG 2
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#define ME_PHODS 3
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#define ME_EPZS 4
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#define ME_X1 5
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/* motion estimation type, EPZS by default */
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enum Motion_Est_ID {
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ME_ZERO = -4,
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ME_FULL,
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ME_LOG,
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ME_PHODS,
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ME_EPZS,
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ME_X1
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};
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/* ME algos sorted by quality */
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static const int Motion_Est_QTab[] = { -4, -1, -2, 1, 0, -3 };
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/* encoding support */
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/* note not everything is supported yet */
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@ -89,6 +93,9 @@ typedef struct AVCodecContext {
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int flags;
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int sub_id; /* some codecs needs additionnal format info. It is
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stored there */
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int me_method; /* ME algorithm used for video coding */
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/* video only */
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int frame_rate; /* frames per sec multiplied by FRAME_RATE_BASE */
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int width, height;
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@ -89,6 +89,8 @@ UINT8 ff_alternate_vertical_scan[64] = {
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38, 46, 54, 62, 39, 47, 55, 63,
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};
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#ifdef SIMPLE_IDCT
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/* Input permutation for the simple_idct_mmx */
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static UINT8 simple_mmx_permutation[64]={
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0x00, 0x08, 0x04, 0x09, 0x01, 0x0C, 0x05, 0x0D,
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@ -100,6 +102,7 @@ static UINT8 simple_mmx_permutation[64]={
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0x22, 0x2A, 0x26, 0x2B, 0x23, 0x2E, 0x27, 0x2F,
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0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F,
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};
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#endif
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/* a*inverse[b]>>32 == a/b for all 0<=a<=65536 && 2<=b<=255 */
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UINT32 inverse[256]={
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@ -594,7 +594,7 @@ static int epzs_motion_search(MpegEncContext * s,
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CHECK_MV(P[0][0]>>shift, P[0][1]>>shift)
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//check(best[0],best[1],0, b0)
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if(s->full_search==ME_EPZS)
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if(s->me_method==ME_EPZS)
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dmin= small_diamond_search(s, best, dmin, new_pic, old_pic, pic_stride,
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pred_x, pred_y, mv_penalty, quant, xmin, ymin, xmax, ymax, shift);
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else
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@ -825,7 +825,7 @@ void estimate_motion(MpegEncContext * s,
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int P[6][2];
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const int shift= 1+s->quarter_sample;
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int mb_type=0;
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//static int skip=0;
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range = 8 * (1 << (s->f_code - 1));
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/* XXX: temporary kludge to avoid overflow for msmpeg4 */
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if (s->out_format == FMT_H263 && !s->h263_msmpeg4)
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@ -851,7 +851,7 @@ void estimate_motion(MpegEncContext * s,
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xmax = s->mb_width*16 - 16;
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ymax = s->mb_height*16 - 16;
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}
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switch(s->full_search) {
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switch(s->me_method) {
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case ME_ZERO:
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default:
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no_motion_search(s, &mx, &my);
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@ -999,6 +999,7 @@ void estimate_motion(MpegEncContext * s,
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s->avg_mb_var+= varc;
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s->mc_mb_var += vard;
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#if 0
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printf("varc=%4d avg_var=%4d (sum=%4d) vard=%4d mx=%2d my=%2d\n",
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varc, s->avg_mb_var, sum, vard, mx - xx, my - yy);
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@ -1016,12 +1017,19 @@ void estimate_motion(MpegEncContext * s,
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}else{
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if (vard <= 64 || vard < varc) {
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mb_type|= MB_TYPE_INTER;
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if (s->full_search != ME_ZERO) {
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if (s->me_method != ME_ZERO) {
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halfpel_motion_search(s, &mx, &my, dmin, xmin, ymin, xmax, ymax, pred_x, pred_y);
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} else {
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mx -= 16 * mb_x;
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my -= 16 * mb_y;
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}
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#if 0
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if (vard < 10) {
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skip++;
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fprintf(stderr,"\nEarly skip: %d vard: %2d varc: %5d dmin: %d",
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skip, vard, varc, dmin);
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}
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#endif
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}else{
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mb_type|= MB_TYPE_INTRA;
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mx = 0;//mx*2 - 32 * mb_x;
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@ -313,8 +313,10 @@ int MPV_encode_init(AVCodecContext *avctx)
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} else {
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s->intra_only = 0;
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}
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s->full_search = motion_estimation_method;
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/* ME algorithm */
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s->me_method = avctx->me_method;
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/* Fixed QSCALE */
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s->fixed_qscale = (avctx->flags & CODEC_FLAG_QSCALE);
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switch(avctx->codec->id) {
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@ -413,7 +415,7 @@ int MPV_encode_init(AVCodecContext *avctx)
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mpeg1_encode_init(s);
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/* dont use mv_penalty table for crap MV as it would be confused */
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if(s->full_search<4) s->mv_penalty= default_mv_penalty;
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if (s->me_method < 0) s->mv_penalty = default_mv_penalty;
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s->encoding = 1;
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@ -1344,7 +1346,7 @@ static void encode_picture(MpegEncContext *s, int picture_number)
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}
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/* find best f_code for ME which do unlimited searches */
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if(s->pict_type==P_TYPE && s->full_search>3){
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if(s->pict_type == P_TYPE && s->me_method >= 0){
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int mv_num[8];
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int i;
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int loose=0;
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@ -113,7 +113,7 @@ typedef struct MpegEncContext {
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int b_code; /* backward resolution for B Frames (mpeg4) */
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INT16 *mv_table[2]; /* MV table (1MV per MB)*/
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INT16 (*motion_val)[2]; /* used for MV prediction (4MV per MB)*/
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int full_search;
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int me_method; /* ME algorithm */
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int mv_dir;
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#define MV_DIR_BACKWARD 1
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#define MV_DIR_FORWARD 2
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