From f7813a5324be39d13ab536c245d15dfc602a7849 Mon Sep 17 00:00:00 2001 From: Tim Redfern Date: Sun, 29 Dec 2013 12:19:38 +0000 Subject: basic type mechanism working --- ffmpeg/libavcodec/rawdec.c | 55 ++++++++++++++++++++++++++++------------------ 1 file changed, 34 insertions(+), 21 deletions(-) (limited to 'ffmpeg/libavcodec/rawdec.c') diff --git a/ffmpeg/libavcodec/rawdec.c b/ffmpeg/libavcodec/rawdec.c index 00730dc..e1682e3 100644 --- a/ffmpeg/libavcodec/rawdec.c +++ b/ffmpeg/libavcodec/rawdec.c @@ -25,6 +25,7 @@ */ #include "avcodec.h" +#include "internal.h" #include "raw.h" #include "libavutil/avassert.h" #include "libavutil/buffer.h" @@ -48,7 +49,7 @@ static const AVOption options[]={ {NULL} }; -static const AVClass class = { +static const AVClass rawdec_class = { .class_name = "rawdec", .option = options, .version = LIBAVUTIL_VERSION_INT, @@ -107,7 +108,7 @@ static av_cold int raw_init_decoder(AVCodecContext *avctx) if ( avctx->codec_tag == MKTAG('r','a','w',' ') || avctx->codec_tag == MKTAG('N','O','1','6')) avctx->pix_fmt = avpriv_find_pix_fmt(pix_fmt_bps_mov, - avctx->bits_per_coded_sample); + avctx->bits_per_coded_sample & 0x1f); else if (avctx->codec_tag == MKTAG('W', 'R', 'A', 'W')) avctx->pix_fmt = avpriv_find_pix_fmt(pix_fmt_bps_avi, avctx->bits_per_coded_sample); @@ -123,22 +124,27 @@ static av_cold int raw_init_decoder(AVCodecContext *avctx) return AVERROR(EINVAL); } - if (desc->flags & (PIX_FMT_PAL | PIX_FMT_PSEUDOPAL)) { + if (desc->flags & (AV_PIX_FMT_FLAG_PAL | AV_PIX_FMT_FLAG_PSEUDOPAL)) { context->palette = av_buffer_alloc(AVPALETTE_SIZE); if (!context->palette) return AVERROR(ENOMEM); - if (desc->flags & PIX_FMT_PSEUDOPAL) + if (desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL) avpriv_set_systematic_pal2((uint32_t*)context->palette->data, avctx->pix_fmt); else memset(context->palette->data, 0, AVPALETTE_SIZE); } - context->frame_size = avpicture_get_size(avctx->pix_fmt, avctx->width, - avctx->height); - if ((avctx->bits_per_coded_sample == 4 || avctx->bits_per_coded_sample == 2) && + if (((avctx->bits_per_coded_sample & 0x1f) == 4 || (avctx->bits_per_coded_sample & 0x1f) == 2) && avctx->pix_fmt == AV_PIX_FMT_PAL8 && - (!avctx->codec_tag || avctx->codec_tag == MKTAG('r','a','w',' '))) + (!avctx->codec_tag || avctx->codec_tag == MKTAG('r','a','w',' '))) { context->is_2_4_bpp = 1; + context->frame_size = avpicture_get_size(avctx->pix_fmt, + FFALIGN(avctx->width, 16), + avctx->height); + } else { + context->frame_size = avpicture_get_size(avctx->pix_fmt, avctx->width, + avctx->height); + } if ((avctx->extradata_size >= 9 && !memcmp(avctx->extradata + avctx->extradata_size - 9, "BottomUp", 9)) || @@ -177,9 +183,9 @@ static int raw_decode(AVCodecContext *avctx, void *data, int *got_frame, frame->pict_type = AV_PICTURE_TYPE_I; frame->key_frame = 1; frame->reordered_opaque = avctx->reordered_opaque; - frame->pkt_pts = avctx->pkt->pts; - av_frame_set_pkt_pos (frame, avctx->pkt->pos); - av_frame_set_pkt_duration(frame, avctx->pkt->duration); + frame->pkt_pts = avctx->internal->pkt->pts; + av_frame_set_pkt_pos (frame, avctx->internal->pkt->pos); + av_frame_set_pkt_duration(frame, avctx->internal->pkt->duration); if (context->tff >= 0) { frame->interlaced_frame = 1; @@ -190,7 +196,7 @@ static int raw_decode(AVCodecContext *avctx, void *data, int *got_frame, return res; if (need_copy) - frame->buf[0] = av_buffer_alloc(context->frame_size); + frame->buf[0] = av_buffer_alloc(FFMAX(context->frame_size, buf_size)); else frame->buf[0] = av_buffer_ref(avpkt->buf); if (!frame->buf[0]) @@ -201,14 +207,14 @@ static int raw_decode(AVCodecContext *avctx, void *data, int *got_frame, int i; uint8_t *dst = frame->buf[0]->data; buf_size = context->frame_size - AVPALETTE_SIZE; - if (avctx->bits_per_coded_sample == 4) { + if ((avctx->bits_per_coded_sample & 0x1f) == 4) { for (i = 0; 2 * i + 1 < buf_size && isize; i++) { dst[2 * i + 0] = buf[i] >> 4; dst[2 * i + 1] = buf[i] & 15; } linesize_align = 8; } else { - av_assert0(avctx->bits_per_coded_sample == 2); + av_assert0((avctx->bits_per_coded_sample & 0x1f) == 2); for (i = 0; 4 * i + 3 < buf_size && isize; i++) { dst[4 * i + 0] = buf[i] >> 6; dst[4 * i + 1] = buf[i] >> 4 & 3; @@ -219,7 +225,7 @@ static int raw_decode(AVCodecContext *avctx, void *data, int *got_frame, } buf = dst; } else if (need_copy) { - memcpy(frame->buf[0]->data, buf, FFMIN(buf_size, context->frame_size)); + memcpy(frame->buf[0]->data, buf, buf_size); buf = frame->buf[0]->data; } @@ -230,12 +236,15 @@ static int raw_decode(AVCodecContext *avctx, void *data, int *got_frame, len = context->frame_size - (avctx->pix_fmt==AV_PIX_FMT_PAL8 ? AVPALETTE_SIZE : 0); if (buf_size < len) { av_log(avctx, AV_LOG_ERROR, "Invalid buffer size, packet size %d < expected frame_size %d\n", buf_size, len); + av_buffer_unref(&frame->buf[0]); return AVERROR(EINVAL); } if ((res = avpicture_fill(picture, buf, avctx->pix_fmt, - avctx->width, avctx->height)) < 0) + avctx->width, avctx->height)) < 0) { + av_buffer_unref(&frame->buf[0]); return res; + } if (avctx->pix_fmt == AV_PIX_FMT_PAL8) { const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, @@ -244,8 +253,10 @@ static int raw_decode(AVCodecContext *avctx, void *data, int *got_frame, if (pal) { av_buffer_unref(&context->palette); context->palette = av_buffer_alloc(AVPALETTE_SIZE); - if (!context->palette) + if (!context->palette) { + av_buffer_unref(&frame->buf[0]); return AVERROR(ENOMEM); + } memcpy(context->palette->data, pal, AVPALETTE_SIZE); frame->palette_has_changed = 1; } @@ -271,10 +282,12 @@ static int raw_decode(AVCodecContext *avctx, void *data, int *got_frame, } if ((avctx->pix_fmt == AV_PIX_FMT_PAL8 && buf_size < context->frame_size) || - (desc->flags & PIX_FMT_PSEUDOPAL)) { + (desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL)) { frame->buf[1] = av_buffer_ref(context->palette); - if (!frame->buf[1]) + if (!frame->buf[1]) { + av_buffer_unref(&frame->buf[0]); return AVERROR(ENOMEM); + } frame->data[1] = frame->buf[1]->data; } @@ -337,12 +350,12 @@ static av_cold int raw_close_decoder(AVCodecContext *avctx) AVCodec ff_rawvideo_decoder = { .name = "rawvideo", + .long_name = NULL_IF_CONFIG_SMALL("raw video"), .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_RAWVIDEO, .priv_data_size = sizeof(RawVideoContext), .init = raw_init_decoder, .close = raw_close_decoder, .decode = raw_decode, - .long_name = NULL_IF_CONFIG_SMALL("raw video"), - .priv_class = &class, + .priv_class = &rawdec_class, }; -- cgit v1.2.3