diff options
Diffstat (limited to 'libavcodec/rv10.c')
| -rw-r--r-- | libavcodec/rv10.c | 38 |
1 files changed, 33 insertions, 5 deletions
diff --git a/libavcodec/rv10.c b/libavcodec/rv10.c index bc81f08..df5d5c4 100644 --- a/libavcodec/rv10.c +++ b/libavcodec/rv10.c @@ -3,20 +3,20 @@ * Copyright (c) 2000,2001 Fabrice Bellard * Copyright (c) 2002-2004 Michael Niedermayer * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -304,6 +304,23 @@ static int rv20_decode_picture_header(RVDecContext *rv) int seq, mb_pos, i; int rpr_bits; +#if 0 + GetBitContext gb= s->gb; + for(i=0; i<64; i++){ + av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&gb)); + if(i%4==3) av_log(s->avctx, AV_LOG_DEBUG, " "); + } + av_log(s->avctx, AV_LOG_DEBUG, "\n"); +#endif +#if 0 + av_log(s->avctx, AV_LOG_DEBUG, "%3dx%03d/%02Xx%02X ", s->width, s->height, s->width/4, s->height/4); + for(i=0; i<s->avctx->extradata_size; i++){ + av_log(s->avctx, AV_LOG_DEBUG, "%02X ", ((uint8_t*)s->avctx->extradata)[i]); + if(i%4==3) av_log(s->avctx, AV_LOG_DEBUG, " "); + } + av_log(s->avctx, AV_LOG_DEBUG, "\n"); +#endif + i= get_bits(&s->gb, 2); switch(i){ case 0: s->pict_type= AV_PICTURE_TYPE_I; break; @@ -354,10 +371,19 @@ static int rv20_decode_picture_header(RVDecContext *rv) new_h= s->orig_height; } if(new_w != s->width || new_h != s->height){ + AVRational old_aspect = s->avctx->sample_aspect_ratio; av_log(s->avctx, AV_LOG_DEBUG, "attempting to change resolution to %dx%d\n", new_w, new_h); if (av_image_check_size(new_w, new_h, 0, s->avctx) < 0) return -1; ff_MPV_common_end(s); + + // attempt to keep aspect during typical resolution switches + if (!old_aspect.num) + old_aspect = (AVRational){1, 1}; + if (2 * new_w * s->height == new_h * s->width) + s->avctx->sample_aspect_ratio = av_mul_q(old_aspect, (AVRational){2, 1}); + if (new_w * s->height == 2 * new_h * s->width) + s->avctx->sample_aspect_ratio = av_mul_q(old_aspect, (AVRational){1, 2}); avcodec_set_dimensions(s->avctx, new_w, new_h); s->width = new_w; s->height = new_h; @@ -438,7 +464,6 @@ static av_cold int rv10_decode_init(AVCodecContext *avctx) s->avctx= avctx; s->out_format = FMT_H263; s->codec_id= avctx->codec_id; - avctx->flags |= CODEC_FLAG_EMU_EDGE; s->orig_width = s->width = avctx->coded_width; s->orig_height= s->height = avctx->coded_height; @@ -547,6 +572,7 @@ static int rv10_decode_packet(AVCodecContext *avctx, } } + av_dlog(avctx, "qscale=%d\n", s->qscale); /* default quantization values */ @@ -655,6 +681,8 @@ static int rv10_decode_frame(AVCodecContext *avctx, const uint8_t *slices_hdr = NULL; av_dlog(avctx, "*****frame %d size=%d\n", avctx->frame_number, buf_size); + s->flags = avctx->flags; + s->flags2 = avctx->flags2; /* no supplementary picture */ if (buf_size == 0) { |
