videolan/ffmpeg
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Merge commit '6202e2fede75df92cbc374a3f7d6893d0c5ac721'

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* commit '6202e2fede75df92cbc374a3f7d6893d0c5ac721':
  indeo4: Rework stream analysis report

Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
This commit is contained in:
Derek Buitenhuis 2016-04-17 18:51:58 +01:00
commit 1117d6f4b1
3 changed files with 18 additions and 30 deletions
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11
libavcodec/indeo4.c
View File

@ -119,17 +119,13 @@ static int decode_pic_hdr(IVI45DecContext *ctx, AVCodecContext *avctx)
return AVERROR_INVALIDDATA;
}
#if IVI4_STREAM_ANALYSER
if (ctx->frame_type == IVI4_FRAMETYPE_BIDIR)
ctx->has_b_frames = 1;
#endif
ctx->transp_status = get_bits1(&ctx->gb);
#if IVI4_STREAM_ANALYSER
if (ctx->transp_status) {
ctx->has_transp = 1;
}
#endif
/* unknown bit: Mac decoder ignores this bit, XANIM returns error */
if (get_bits1(&ctx->gb)) {
@ -166,9 +162,7 @@ static int decode_pic_hdr(IVI45DecContext *ctx, AVCodecContext *avctx)
if (get_bits1(&ctx->gb)) {
pic_conf.tile_height = scale_tile_size(pic_conf.pic_height, get_bits(&ctx->gb, 4));
pic_conf.tile_width = scale_tile_size(pic_conf.pic_width, get_bits(&ctx->gb, 4));
#if IVI4_STREAM_ANALYSER
ctx->uses_tiling = 1;
#endif
} else {
pic_conf.tile_height = pic_conf.pic_height;
pic_conf.tile_width = pic_conf.pic_width;
@ -295,10 +289,8 @@ static int decode_band_hdr(IVI45DecContext *ctx, IVIBandDesc *band,
band->is_halfpel);
return AVERROR_INVALIDDATA;
}
#if IVI4_STREAM_ANALYSER
if (!band->is_halfpel)
ctx->uses_fullpel = 1;
#endif
band->checksum_present = get_bits1(&ctx->gb);
if (band->checksum_present)
@ -334,10 +326,8 @@ static int decode_band_hdr(IVI45DecContext *ctx, IVIBandDesc *band,
av_log(avctx, AV_LOG_ERROR, "wrong transform size!\n");
return AVERROR_INVALIDDATA;
}
#if IVI4_STREAM_ANALYSER
if ((transform_id >= 0 && transform_id <= 2) || transform_id == 10)
ctx->uses_haar = 1;
#endif
band->inv_transform = transforms[transform_id].inv_trans;
band->dc_transform = transforms[transform_id].dc_trans;
@ -683,6 +673,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
ctx->is_nonnull_frame = is_nonnull_frame;
ctx->is_indeo4 = 1;
ctx->show_indeo4_info = 1;
ctx->dst_buf = 0;
ctx->ref_buf = 1;

33
libavcodec/ivi.c
View File

@ -1172,6 +1172,22 @@ int ff_ivi_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
}
}
if (ctx->show_indeo4_info) {
if (ctx->is_scalable)
av_log(avctx, AV_LOG_DEBUG, "This video uses scalability mode\n");
if (ctx->uses_tiling)
av_log(avctx, AV_LOG_DEBUG, "This video uses local decoding\n");
if (ctx->has_b_frames)
av_log(avctx, AV_LOG_DEBUG, "This video contains B-frames\n");
if (ctx->has_transp)
av_log(avctx, AV_LOG_DEBUG, "Transparency mode is enabled\n");
if (ctx->uses_haar)
av_log(avctx, AV_LOG_DEBUG, "This video uses Haar transform\n");
if (ctx->uses_fullpel)
av_log(avctx, AV_LOG_DEBUG, "This video uses fullpel motion vectors\n");
ctx->show_indeo4_info = 0;
}
return buf_size;
}
@ -1187,23 +1203,6 @@ av_cold int ff_ivi_decode_close(AVCodecContext *avctx)
if (ctx->mb_vlc.cust_tab.table)
ff_free_vlc(&ctx->mb_vlc.cust_tab);
#if IVI4_STREAM_ANALYSER
if (ctx->is_indeo4) {
if (ctx->is_scalable)
av_log(avctx, AV_LOG_ERROR, "This video uses scalability mode!\n");
if (ctx->uses_tiling)
av_log(avctx, AV_LOG_ERROR, "This video uses local decoding!\n");
if (ctx->has_b_frames)
av_log(avctx, AV_LOG_ERROR, "This video contains B-frames!\n");
if (ctx->has_transp)
av_log(avctx, AV_LOG_ERROR, "Transparency mode is enabled!\n");
if (ctx->uses_haar)
av_log(avctx, AV_LOG_ERROR, "This video uses Haar transform!\n");
if (ctx->uses_fullpel)
av_log(avctx, AV_LOG_ERROR, "This video uses fullpel motion vectors!\n");
}
#endif
av_frame_free(&ctx->p_frame);
return 0;

4
libavcodec/ivi.h
View File

@ -47,7 +47,6 @@ enum {
};
#define IVI_VLC_BITS 13 ///< max number of bits of the ivi's huffman codes
#define IVI4_STREAM_ANALYSER 0
#define IVI5_IS_PROTECTED 0x20
/**
@ -250,13 +249,12 @@ typedef struct IVI45DecContext {
uint8_t gop_flags;
uint32_t lock_word;
#if IVI4_STREAM_ANALYSER
int show_indeo4_info;
uint8_t has_b_frames;
uint8_t has_transp;
uint8_t uses_tiling;
uint8_t uses_haar;
uint8_t uses_fullpel;
#endif
int (*decode_pic_hdr) (struct IVI45DecContext *ctx, AVCodecContext *avctx);
int (*decode_band_hdr) (struct IVI45DecContext *ctx, IVIBandDesc *band, AVCodecContext *avctx);