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aspect ratio support by encoding (currently only with mpeg4 and h263p) 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7390 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
alex 2002-09-13 20:46:23 +00:00
parent 5c2cb7a851
commit 1564cfa9ab
1 changed files with 31 additions and 2 deletions
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31
libmpcodecs/ve_lavc.c
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@ -86,6 +86,9 @@ static int lavc_param_rc_min_rate=0;
static float lavc_param_rc_initial_cplx=0;
static int lavc_param_mpeg_quant=0;
static int lavc_param_fdct=0;
#if LIBAVCODEC_BUILD >= 4623
static float lavc_param_aspect=0.0;
#endif
#include "cfgparser.h"
@ -141,6 +144,9 @@ struct config lavcopts_conf[]={
#endif
#if LIBAVCODEC_BUILD >= 4621
{"vfdct", &lavc_param_fdct, CONF_TYPE_INT, CONF_RANGE, 0, 10, NULL},
#endif
#if LIBAVCODEC_BUILD >= 4623
{"aspect", &lavc_param_aspect, CONF_TYPE_FLOAT, CONF_RANGE, 0.2, 3.0, NULL},
#endif
{NULL, NULL, 0, 0, 0, 0, NULL}
};
@ -192,7 +198,6 @@ static int config(struct vf_instance_s* vf,
lavc_venc_context.b_quant_factor= lavc_param_vb_qfactor;
lavc_venc_context.rc_strategy= lavc_param_vrc_strategy;
lavc_venc_context.b_frame_strategy= lavc_param_vb_strategy;
#ifdef CODEC_FLAG_PART
lavc_venc_context.b_quant_offset= lavc_param_vb_qoffset;
lavc_venc_context.luma_elim_threshold= lavc_param_luma_elim_threshold;
@ -248,6 +253,30 @@ static int config(struct vf_instance_s* vf,
lavc_venc_context.dct_algo= lavc_param_fdct;
#endif
#if LIBAVCODEC_BUILD >= 4623
if (lavc_param_aspect != 0.0)
{
/* 625 means CIF */
if (lavc_param_aspect == (float)(4.0/3.0))
lavc_venc_context.aspect_ratio_info = FF_ASPECT_4_3_625;
else if (lavc_param_aspect == (float)(16.0/9.0))
lavc_venc_context.aspect_ratio_info = FF_ASPECT_16_9_625;
else if (lavc_param_aspect == (float)(221.0/100.0))
{
lavc_venc_context.aspect_ratio_info = FF_ASPECT_EXTENDED;
lavc_venc_context.aspected_width = 221;
lavc_venc_context.aspected_height = 100;
}
else
{
printf("Unsupported aspect ratio (%f)\n", lavc_param_aspect);
}
mp_dbg(MSGT_MENCODER, MSGL_DBG2, "aspect_ratio_info: %d\n", lavc_venc_context.aspect_ratio_info);
mp_dbg(MSGT_MENCODER, MSGL_DBG2, "par_width: %d\n", lavc_venc_context.aspected_width);
mp_dbg(MSGT_MENCODER, MSGL_DBG2, "par_height: %d\n", lavc_venc_context.aspected_height);
}
#endif
/* keyframe interval */
if (lavc_param_keyint >= 0) /* != -1 */
lavc_venc_context.gop_size = lavc_param_keyint;