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author | Michael Niedermayer <michaelni@gmx.at> | 2010-01-07 04:42:39 +0000 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2010-01-07 04:42:39 +0000 |
commit | eb52376915cb518220264962fdbcf22418e790bb (patch) | |
tree | 5e07c6c7a1bdc1e6a73d74b8cfbc8d04c106ba34 /libavcodec/h263.c | |
parent | f867378771e60f5acb63d90a9c8020ea76e1500d (diff) | |
download | ffmpeg-eb52376915cb518220264962fdbcf22418e790bb.tar.gz |
Split out flv encoding.
Originally committed as revision 21050 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/h263.c')
-rw-r--r-- | libavcodec/h263.c | 64 |
1 files changed, 3 insertions, 61 deletions
diff --git a/libavcodec/h263.c b/libavcodec/h263.c index 47e289783c..67d01dc246 100644 --- a/libavcodec/h263.c +++ b/libavcodec/h263.c @@ -41,6 +41,7 @@ #include "mpeg4data.h" #include "mathops.h" #include "unary.h" +#include "flv.h" //#undef NDEBUG //#include <assert.h> @@ -170,52 +171,6 @@ static av_const int aspect_to_info(AVRational aspect){ return FF_ASPECT_EXTENDED; } -void ff_flv_encode_picture_header(MpegEncContext * s, int picture_number) -{ - int format; - - align_put_bits(&s->pb); - - put_bits(&s->pb, 17, 1); - put_bits(&s->pb, 5, (s->h263_flv-1)); /* 0: h263 escape codes 1: 11-bit escape codes */ - put_bits(&s->pb, 8, (((int64_t)s->picture_number * 30 * s->avctx->time_base.num) / //FIXME use timestamp - s->avctx->time_base.den) & 0xff); /* TemporalReference */ - if (s->width == 352 && s->height == 288) - format = 2; - else if (s->width == 176 && s->height == 144) - format = 3; - else if (s->width == 128 && s->height == 96) - format = 4; - else if (s->width == 320 && s->height == 240) - format = 5; - else if (s->width == 160 && s->height == 120) - format = 6; - else if (s->width <= 255 && s->height <= 255) - format = 0; /* use 1 byte width & height */ - else - format = 1; /* use 2 bytes width & height */ - put_bits(&s->pb, 3, format); /* PictureSize */ - if (format == 0) { - put_bits(&s->pb, 8, s->width); - put_bits(&s->pb, 8, s->height); - } else if (format == 1) { - put_bits(&s->pb, 16, s->width); - put_bits(&s->pb, 16, s->height); - } - put_bits(&s->pb, 2, s->pict_type == FF_P_TYPE); /* PictureType */ - put_bits(&s->pb, 1, 1); /* DeblockingFlag: on */ - put_bits(&s->pb, 5, s->qscale); /* Quantizer */ - put_bits(&s->pb, 1, 0); /* ExtraInformation */ - - if(s->h263_aic){ - s->y_dc_scale_table= - s->c_dc_scale_table= ff_aic_dc_scale_table; - }else{ - s->y_dc_scale_table= - s->c_dc_scale_table= ff_mpeg1_dc_scale_table; - } -} - void h263_encode_picture_header(MpegEncContext * s, int picture_number) { int format, coded_frame_rate, coded_frame_rate_base, i, temp_ref; @@ -1634,7 +1589,7 @@ static void h263_encode_block(MpegEncContext * s, DCTELEM * block, int n) code = get_rl_index(rl, last, run, level); put_bits(&s->pb, rl->table_vlc[code][1], rl->table_vlc[code][0]); if (code == rl->n) { - if(s->h263_flv <= 1){ + if(!CONFIG_FLV_ENCODER || s->h263_flv <= 1){ put_bits(&s->pb, 1, last); put_bits(&s->pb, 6, run); @@ -1648,20 +1603,7 @@ static void h263_encode_block(MpegEncContext * s, DCTELEM * block, int n) put_sbits(&s->pb, 6, slevel>>5); } }else{ - if(level < 64) { // 7-bit level - put_bits(&s->pb, 1, 0); - put_bits(&s->pb, 1, last); - put_bits(&s->pb, 6, run); - - put_sbits(&s->pb, 7, slevel); - } else { - /* 11-bit level */ - put_bits(&s->pb, 1, 1); - put_bits(&s->pb, 1, last); - put_bits(&s->pb, 6, run); - - put_sbits(&s->pb, 11, slevel); - } + ff_flv2_encode_ac_esc(&s->pb, slevel, level, run, last); } } else { put_bits(&s->pb, 1, sign); |