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lavc: remove msmpeg4v1 encoder.

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The encoder has never produced files that could be decoded
with any software and there should be no reason to create
such files anyway.
This commit is contained in:
Anton Khirnov 2011-05-13 08:03:36 +02:00
parent 7f3a7b5c40
commit 57aa765971
5 changed files with 2 additions and 34 deletions
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2
libavcodec/Makefile
View File

@ -262,8 +262,6 @@ OBJS-$(CONFIG_MPEG2VIDEO_ENCODER) += mpeg12enc.o mpegvideo_enc.o \
mpegvideo.o error_resilience.o
OBJS-$(CONFIG_MPEG4_VAAPI_HWACCEL) += vaapi_mpeg4.o
OBJS-$(CONFIG_MSMPEG4V1_DECODER) += msmpeg4.o msmpeg4data.o
OBJS-$(CONFIG_MSMPEG4V1_ENCODER) += msmpeg4.o msmpeg4data.o h263dec.o \
h263.o ituh263dec.o mpeg4videodec.o
OBJS-$(CONFIG_MSMPEG4V2_DECODER) += msmpeg4.o msmpeg4data.o h263dec.o \
h263.o ituh263dec.o mpeg4videodec.o
OBJS-$(CONFIG_MSMPEG4V2_ENCODER) += msmpeg4.o msmpeg4data.o h263dec.o \

2
libavcodec/allcodecs.c
View File

@ -147,7 +147,7 @@ void avcodec_register_all(void)
REGISTER_DECODER (MPEGVIDEO, mpegvideo);
REGISTER_DECODER (MPEG_VDPAU, mpeg_vdpau);
REGISTER_DECODER (MPEG1_VDPAU, mpeg1_vdpau);
REGISTER_ENCDEC (MSMPEG4V1, msmpeg4v1);
REGISTER_DECODER (MSMPEG4V1, msmpeg4v1);
REGISTER_ENCDEC (MSMPEG4V2, msmpeg4v2);
REGISTER_ENCDEC (MSMPEG4V3, msmpeg4v3);
REGISTER_DECODER (MSRLE, msrle);

21
libavcodec/mpegvideo_enc.c
View File

@ -637,15 +637,6 @@ av_cold int MPV_encode_init(AVCodecContext *avctx)
s->low_delay= s->max_b_frames ? 0 : 1;
avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
break;
case CODEC_ID_MSMPEG4V1:
s->out_format = FMT_H263;
s->h263_msmpeg4 = 1;
s->h263_pred = 1;
s->unrestricted_mv = 1;
s->msmpeg4_version= 1;
avctx->delay=0;
s->low_delay=1;
break;
case CODEC_ID_MSMPEG4V2:
s->out_format = FMT_H263;
s->h263_msmpeg4 = 1;
@ -3805,18 +3796,6 @@ AVCodec ff_h263p_encoder = {
.long_name= NULL_IF_CONFIG_SMALL("H.263+ / H.263-1998 / H.263 version 2"),
};
AVCodec ff_msmpeg4v1_encoder = {
"msmpeg4v1",
AVMEDIA_TYPE_VIDEO,
CODEC_ID_MSMPEG4V1,
sizeof(MpegEncContext),
MPV_encode_init,
MPV_encode_picture,
MPV_encode_end,
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
.long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 1"),
};
AVCodec ff_msmpeg4v2_encoder = {
"msmpeg4v2",
AVMEDIA_TYPE_VIDEO,

8
libavcodec/msmpeg4.c
View File

@ -846,13 +846,6 @@ static void msmpeg4_encode_dc(MpegEncContext * s, int level, int n, int *dir_ptr
int pred, extquant;
int extrabits = 0;
if(s->msmpeg4_version==1){
int32_t *dc_val;
pred = msmpeg4v1_pred_dc(s, n, &dc_val);
/* update predictor */
*dc_val= level;
}else{
int16_t *dc_val;
pred = msmpeg4_pred_dc(s, n, &dc_val, dir_ptr);
@ -862,7 +855,6 @@ static void msmpeg4_encode_dc(MpegEncContext * s, int level, int n, int *dir_ptr
} else {
*dc_val = level * s->c_dc_scale;
}
}
/* do the prediction */
level -= pred;

3
libavcodec/msmpeg4.h
View File

@ -54,8 +54,7 @@ int ff_wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
CONFIG_MSMPEG4V3_DECODER || \
CONFIG_WMV2_DECODER || \
CONFIG_VC1_DECODER)
#define CONFIG_MSMPEG4_ENCODER (CONFIG_MSMPEG4V1_ENCODER || \
CONFIG_MSMPEG4V2_ENCODER || \
#define CONFIG_MSMPEG4_ENCODER (CONFIG_MSMPEG4V2_ENCODER || \
CONFIG_MSMPEG4V3_ENCODER || \
CONFIG_WMV2_ENCODER)