/*
* MPEG1/2 encoder
- * Copyright (c) 2000,2001 Fabrice Bellard.
+ * Copyright (c) 2000,2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*/
/**
- * @file mpeg12enc.c
+ * @file libavcodec/mpeg12enc.c
* MPEG1/2 encoder
*/
}
void ff_mpeg1_encode_slice_header(MpegEncContext *s){
- put_header(s, SLICE_MIN_START_CODE + s->mb_y);
+ if (s->height > 2800) {
+ put_header(s, SLICE_MIN_START_CODE + (s->mb_y & 127));
+ put_bits(&s->pb, 3, s->mb_y >> 7); /* slice_vertical_position_extension */
+ } else {
+ put_header(s, SLICE_MIN_START_CODE + s->mb_y);
+ }
put_qscale(s);
put_bits(&s->pb, 1, 0); /* slice extra information */
}
// RAL: Parameter added: f_or_b_code
static void mpeg1_encode_motion(MpegEncContext *s, int val, int f_or_b_code)
{
- int code, bit_size, l, bits, range, sign;
-
if (val == 0) {
/* zero vector */
- code = 0;
put_bits(&s->pb,
ff_mpeg12_mbMotionVectorTable[0][1],
ff_mpeg12_mbMotionVectorTable[0][0]);
} else {
- bit_size = f_or_b_code - 1;
- range = 1 << bit_size;
+ int code, sign, bits;
+ int bit_size = f_or_b_code - 1;
+ int range = 1 << bit_size;
/* modulo encoding */
- l= INT_BIT - 5 - bit_size;
+ int l= INT_BIT - 5 - bit_size;
val= (val<<l)>>l;
if (val >= 0) {
MPV_encode_picture,
MPV_encode_end,
.supported_framerates= ff_frame_rate_tab+1,
- .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
+ .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
.capabilities= CODEC_CAP_DELAY,
.long_name= NULL_IF_CONFIG_SMALL("MPEG-1 video"),
};
MPV_encode_picture,
MPV_encode_end,
.supported_framerates= ff_frame_rate_tab+1,
- .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE},
+ .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE},
.capabilities= CODEC_CAP_DELAY,
.long_name= NULL_IF_CONFIG_SMALL("MPEG-2 video"),
};