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Code Issues Releases Wiki Activity

- added modulated quatization

Browse Source 
- fixed the default and range of kfthreshold, kfreduction and keyframe_boost
- added a few comments


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8193 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
rguyom 2002-11-14 21:46:36 +00:00
parent a91424802f
commit 14604b4b4a
1 changed files with 26 additions and 6 deletions

32
libmpcodecs/ve_xvid.c
View File

@ -63,10 +63,11 @@ static int xvidenc_max_quantizer = -1;
static int xvidenc_min_key_interval = 0;
static int xvidenc_max_key_interval = -1;
static int xvidenc_mpeg_quant = 0;
static int xvidenc_mod_quant = 0;
static int xvidenc_lumi_mask = 0;
static int xvidenc_keyframe_boost = 0;
static int xvidenc_kfthreshold = 0;
static int xvidenc_kfreduction = 0;
static int xvidenc_kfthreshold = -1;
static int xvidenc_kfreduction = -1;
static int xvidenc_fixed_quant = 0;
static int xvidenc_debug = 0;
static int xvidenc_hintedme = 0;
@ -85,10 +86,11 @@ struct config xvidencopts_conf[] = {
{ "min_key_interval", &xvidenc_min_key_interval, CONF_TYPE_INT, 0, 0, 0, NULL}, /* for XVID_MODE_2PASS_2 */
{ "max_key_interval", &xvidenc_max_key_interval, CONF_TYPE_INT, 0, 0, 0, NULL},
{ "mpeg_quant", &xvidenc_mpeg_quant, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{ "mod_quant", &xvidenc_mod_quant, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{ "lumi_mask", &xvidenc_lumi_mask, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{ "keyframe_boost", &xvidenc_keyframe_boost, CONF_TYPE_INT, 0, 0, 0, NULL}, /* for XVID_MODE_2PASS_2 */
{ "keyframe_boost", &xvidenc_keyframe_boost, CONF_TYPE_INT, CONF_RANGE, 0, 10000, NULL}, /* for XVID_MODE_2PASS_2 */
{ "kfthreshold", &xvidenc_kfthreshold, CONF_TYPE_INT, 0, 0, 0, NULL}, /* for XVID_MODE_2PASS_2 */
{ "kfreduction", &xvidenc_kfreduction, CONF_TYPE_INT, 0, 0, 0, NULL}, /* for XVID_MODE_2PASS_2 */
{ "kfreduction", &xvidenc_kfreduction, CONF_TYPE_INT, CONF_RANGE, 0, 100, NULL}, /* for XVID_MODE_2PASS_2 */
{ "fixed_quant", &xvidenc_fixed_quant, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL}, /* for XVID_MODE_FIXED_QUANT */
{ "debug", &xvidenc_debug, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{ "hintedme", &xvidenc_hintedme, CONF_TYPE_FLAG, 0, 0, 1, NULL},
@ -230,9 +232,9 @@ config(struct vf_instance_s* vf,
fp->vbr_state.max_iquant = fp->vbr_state.max_pquant = enc_param.max_quantizer;
if (xvidenc_keyframe_boost)
fp->vbr_state.keyframe_boost = xvidenc_keyframe_boost;
if (xvidenc_kfthreshold)
if (xvidenc_kfthreshold >= 0)
fp->vbr_state.kftreshold = xvidenc_kfthreshold;
if (xvidenc_kfreduction)
if (xvidenc_kfreduction >= 0)
fp->vbr_state.kfreduction = xvidenc_kfreduction;
if (xvidenc_min_key_interval)
fp->vbr_state.min_key_interval = xvidenc_min_key_interval;
@ -284,8 +286,18 @@ put_image(struct vf_instance_s* vf, mp_image_t *mpi)
fp->enc_frame.bitstream = fp->mux->buffer;
fp->enc_frame.length = -1 /* fp->mux->buffer_size */;
fp->enc_frame.image = mpi->planes[0];
// get quantizers & I/P decision from the VBR engine
fp->enc_frame.quant = vbrGetQuant(&fp->vbr_state);
fp->enc_frame.intra = vbrGetIntra(&fp->vbr_state);
// modulated quantizer type
if (xvidenc_mod_quant && xvidenc_pass == 2) {
fp->enc_frame.general |= (fp->enc_frame.quant < 4) ? XVID_MPEGQUANT : XVID_H263QUANT;
fp->enc_frame.general &= (fp->enc_frame.quant < 4) ? ~XVID_H263QUANT : ~XVID_MPEGQUANT;
}
// hinted ME, 1st part
if (xvidenc_hintedme && xvidenc_pass == 1) {
fp->enc_frame.hint.hintstream = fp->hintstream;
fp->enc_frame.hint.rawhints = 0;
@ -310,6 +322,8 @@ put_image(struct vf_instance_s* vf, mp_image_t *mpi)
else
perror("xvid: hint file read failure");
}
// encode frame
switch (xvid_encore(fp->enc_handle, XVID_ENC_ENCODE, &fp->enc_frame, &enc_stats)) {
case XVID_ERR_OK:
break;
@ -323,9 +337,15 @@ put_image(struct vf_instance_s* vf, mp_image_t *mpi)
mp_msg(MSGT_MENCODER, MSGL_ERR, "xvid: failure\n");
break;
}
// write output
mencoder_write_chunk(fp->mux, fp->enc_frame.length, fp->enc_frame.intra ? 0x10 : 0);
// update the VBR engine
vbrUpdate(&fp->vbr_state, enc_stats.quant, fp->enc_frame.intra,
enc_stats.hlength, fp->enc_frame.length, enc_stats.kblks, enc_stats.mblks, enc_stats.ublks);
// hinted ME, 2nd part
if (fp->enc_frame.general & XVID_HINTEDME_GET) {
size_t wrote = fwrite(&fp->enc_frame.hint.hintlength, sizeof(fp->enc_frame.hint.hintlength), 1, fp->hintfile);
if (wrote == 1) {