Merge commit '50ba57e0ce63d9904269ea0728936a0c79f8bfb5'

* commit '50ba57e0ce63d9904269ea0728936a0c79f8bfb5':
  lavc: do not use av_pix_fmt_descriptors directly.

Conflicts:
	libavcodec/imgconvert.c
	libavcodec/libopenjpegdec.c
	libavcodec/libopenjpegenc.c
	libavcodec/mpegvideo.c
	libavcodec/rawdec.c
	libavcodec/rawenc.c
	libavcodec/tiffenc.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

8 files changed, 61 insertions, 46 deletions

diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c
index 02986831a6..4846172e36 100644
--- a/libavcodec/imgconvert.c
+++ b/libavcodec/imgconvert.c
@@ -390,13 +390,15 @@ static const PixFmtInfo pix_fmt_info[AV_PIX_FMT_NB] = {
 
 void avcodec_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int *v_shift)
 {
-    *h_shift = av_pix_fmt_descriptors[pix_fmt].log2_chroma_w;
-    *v_shift = av_pix_fmt_descriptors[pix_fmt].log2_chroma_h;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
+    *h_shift = desc->log2_chroma_w;
+    *v_shift = desc->log2_chroma_h;
 }
 
 int ff_is_hwaccel_pix_fmt(enum AVPixelFormat pix_fmt)
 {
-    return av_pix_fmt_descriptors[pix_fmt].flags & PIX_FMT_HWACCEL;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
+    return desc->flags & PIX_FMT_HWACCEL;
 }
 
 int avpicture_fill(AVPicture *picture, uint8_t *ptr,
@@ -421,10 +423,10 @@ int avpicture_get_size(enum AVPixelFormat pix_fmt, int width, int height)
 
 static int get_pix_fmt_depth(int *min, int *max, enum AVPixelFormat pix_fmt)
 {
-    const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
     int i;
 
-    if (!desc->nb_components) {
+    if (!desc || !desc->nb_components) {
         *min = *max = 0;
         return AVERROR(EINVAL);
     }
@@ -441,16 +443,14 @@ int avcodec_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt, enum AVPixelFormat
                              int has_alpha)
 {
     const PixFmtInfo *pf, *ps;
-    const AVPixFmtDescriptor *src_desc;
-    const AVPixFmtDescriptor *dst_desc;
+    const AVPixFmtDescriptor *src_desc = av_pix_fmt_desc_get(src_pix_fmt);
+    const AVPixFmtDescriptor *dst_desc = av_pix_fmt_desc_get(dst_pix_fmt);
     int src_min_depth, src_max_depth, dst_min_depth, dst_max_depth;
     int ret, loss;
 
     if (dst_pix_fmt >= AV_PIX_FMT_NB || dst_pix_fmt <= AV_PIX_FMT_NONE)
         return ~0;
 
-    src_desc = &av_pix_fmt_descriptors[src_pix_fmt];
-    dst_desc = &av_pix_fmt_descriptors[dst_pix_fmt];
     ps = &pix_fmt_info[src_pix_fmt];
 
     /* compute loss */
@@ -509,7 +509,7 @@ int avcodec_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt, enum AVPixelFormat
 static int avg_bits_per_pixel(enum AVPixelFormat pix_fmt)
 {
     const PixFmtInfo *info = &pix_fmt_info[pix_fmt];
-    const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
 
     return info->padded_size ?
         info->padded_size : av_get_bits_per_pixel(desc);
@@ -719,7 +719,7 @@ void avpicture_free(AVPicture *picture)
 static inline int is_yuv_planar(enum AVPixelFormat fmt)
 {
     const PixFmtInfo         *info = &pix_fmt_info[fmt];
-    const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[fmt];
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt);
     int i;
     int planes[4] = { 0 };
 
@@ -741,14 +741,15 @@ static inline int is_yuv_planar(enum AVPixelFormat fmt)
 int av_picture_crop(AVPicture *dst, const AVPicture *src,
                     enum AVPixelFormat pix_fmt, int top_band, int left_band)
 {
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
     int y_shift;
     int x_shift;
 
     if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB)
         return -1;
 
-    y_shift = av_pix_fmt_descriptors[pix_fmt].log2_chroma_h;
-    x_shift = av_pix_fmt_descriptors[pix_fmt].log2_chroma_w;
+    y_shift = desc->log2_chroma_h;
+    x_shift = desc->log2_chroma_w;
 
     if (is_yuv_planar(pix_fmt)) {
     dst->data[0] = src->data[0] + (top_band * src->linesize[0]) + left_band;
@@ -772,6 +773,7 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
                    enum AVPixelFormat pix_fmt, int padtop, int padbottom, int padleft, int padright,
             int *color)
 {
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
     uint8_t *optr;
     int y_shift;
     int x_shift;
@@ -782,8 +784,8 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
         !is_yuv_planar(pix_fmt)) return -1;
 
     for (i = 0; i < 3; i++) {
-        x_shift = i ? av_pix_fmt_descriptors[pix_fmt].log2_chroma_w : 0;
-        y_shift = i ? av_pix_fmt_descriptors[pix_fmt].log2_chroma_h : 0;
+        x_shift = i ? desc->log2_chroma_w : 0;
+        y_shift = i ? desc->log2_chroma_h : 0;
 
         if (padtop || padleft) {
             memset(dst->data[i], color[i],
diff --git a/libavcodec/libopenjpegdec.c b/libavcodec/libopenjpegdec.c
index 279809849f..1fa3c5f824 100644
--- a/libavcodec/libopenjpegdec.c
+++ b/libavcodec/libopenjpegdec.c
@@ -65,24 +65,24 @@ typedef struct {
 
 static inline int libopenjpeg_matches_pix_fmt(const opj_image_t *image, enum AVPixelFormat pix_fmt)
 {
-    AVPixFmtDescriptor descriptor = av_pix_fmt_descriptors[pix_fmt];
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
     int match = 1;
 
-    if (descriptor.nb_components != image->numcomps) {
+    if (desc->nb_components != image->numcomps) {
         return 0;
     }
 
-    switch (descriptor.nb_components) {
-    case 4: match = match && descriptor.comp[3].depth_minus1 + 1 >= image->comps[3].prec &&
+    switch (desc->nb_components) {
+    case 4: match = match && desc->comp[3].depth_minus1 + 1 >= image->comps[3].prec &&
                              1 == image->comps[3].dx &&
                              1 == image->comps[3].dy;
-    case 3: match = match && descriptor.comp[2].depth_minus1 + 1 >= image->comps[2].prec &&
-                             1 << descriptor.log2_chroma_w == image->comps[2].dx &&
-                             1 << descriptor.log2_chroma_h == image->comps[2].dy;
-    case 2: match = match && descriptor.comp[1].depth_minus1 + 1 >= image->comps[1].prec &&
-                             1 << descriptor.log2_chroma_w == image->comps[1].dx &&
-                             1 << descriptor.log2_chroma_h == image->comps[1].dy;
-    case 1: match = match && descriptor.comp[0].depth_minus1 + 1 >= image->comps[0].prec &&
+    case 3: match = match && desc->comp[2].depth_minus1 + 1 >= image->comps[2].prec &&
+                             1 << desc->log2_chroma_w == image->comps[2].dx &&
+                             1 << desc->log2_chroma_h == image->comps[2].dy;
+    case 2: match = match && desc->comp[1].depth_minus1 + 1 >= image->comps[1].prec &&
+                             1 << desc->log2_chroma_w == image->comps[1].dx &&
+                             1 << desc->log2_chroma_h == image->comps[1].dy;
+    case 1: match = match && desc->comp[0].depth_minus1 + 1 >= image->comps[0].prec &&
                              1 == image->comps[0].dx &&
                              1 == image->comps[0].dy;
     default:
@@ -125,15 +125,17 @@ static inline enum AVPixelFormat libopenjpeg_guess_pix_fmt(const opj_image_t *im
     return AV_PIX_FMT_NONE;
 }
 
-static inline int libopenjpeg_ispacked(enum AVPixelFormat pix_fmt) {
+static inline int libopenjpeg_ispacked(enum AVPixelFormat pix_fmt)
+{
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
     int i, component_plane;
 
     if (pix_fmt == AV_PIX_FMT_GRAY16)
         return 0;
 
-    component_plane = av_pix_fmt_descriptors[pix_fmt].comp[0].plane;
-    for (i = 1; i < av_pix_fmt_descriptors[pix_fmt].nb_components; i++) {
-        if (component_plane != av_pix_fmt_descriptors[pix_fmt].comp[i].plane)
+    component_plane = desc->comp[0].plane;
+    for (i = 1; i < desc->nb_components; i++) {
+        if (component_plane != desc->comp[i].plane)
             return 0;
     }
     return 1;
@@ -232,6 +234,7 @@ static int libopenjpeg_decode_frame(AVCodecContext *avctx,
     int buf_size = avpkt->size;
     LibOpenJPEGContext *ctx = avctx->priv_data;
     AVFrame *picture = &ctx->image, *output = data;
+    const AVPixFmtDescriptor *desc;
     opj_dinfo_t *dec;
     opj_cio_t *stream;
     opj_image_t *image;
@@ -338,7 +341,8 @@ static int libopenjpeg_decode_frame(AVCodecContext *avctx,
         goto done;
     }
 
-    pixel_size = av_pix_fmt_descriptors[avctx->pix_fmt].comp[0].step_minus1 + 1;
+    desc = av_pix_fmt_desc_get(avctx->pix_fmt);
+    pixel_size = desc->comp[0].step_minus1 + 1;
     ispacked = libopenjpeg_ispacked(avctx->pix_fmt);
 
     switch (pixel_size) {
diff --git a/libavcodec/libopenjpegenc.c b/libavcodec/libopenjpegenc.c
index 0e4a257f11..a425731281 100644
--- a/libavcodec/libopenjpegenc.c
+++ b/libavcodec/libopenjpegenc.c
@@ -69,6 +69,7 @@ static void info_callback(const char *msg, void *data)
 
 static opj_image_t *mj2_create_image(AVCodecContext *avctx, opj_cparameters_t *parameters)
 {
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
     opj_image_cmptparm_t *cmptparm;
     opj_image_t *img;
     int i;
@@ -79,10 +80,10 @@ static opj_image_t *mj2_create_image(AVCodecContext *avctx, opj_cparameters_t *p
 
     sub_dx[0] = sub_dx[3] = 1;
     sub_dy[0] = sub_dy[3] = 1;
-    sub_dx[1] = sub_dx[2] = 1<<av_pix_fmt_descriptors[avctx->pix_fmt].log2_chroma_w;
-    sub_dy[1] = sub_dy[2] = 1<<av_pix_fmt_descriptors[avctx->pix_fmt].log2_chroma_h;
+    sub_dx[1] = sub_dx[2] = 1 << desc->log2_chroma_w;
+    sub_dy[1] = sub_dy[2] = 1 << desc->log2_chroma_h;
 
-    numcomps = av_pix_fmt_descriptors[avctx->pix_fmt].nb_components;
+    numcomps = desc->nb_components;
 
     switch (avctx->pix_fmt) {
     case AV_PIX_FMT_GRAY8:
@@ -135,8 +136,8 @@ static opj_image_t *mj2_create_image(AVCodecContext *avctx, opj_cparameters_t *p
         return NULL;
     }
     for (i = 0; i < numcomps; i++) {
-        cmptparm[i].prec = av_pix_fmt_descriptors[avctx->pix_fmt].comp[i].depth_minus1 + 1;
-        cmptparm[i].bpp = av_pix_fmt_descriptors[avctx->pix_fmt].comp[i].depth_minus1 + 1;
+        cmptparm[i].prec = desc->comp[i].depth_minus1 + 1;
+        cmptparm[i].bpp  = desc->comp[i].depth_minus1 + 1;
         cmptparm[i].sgnd = 0;
         cmptparm[i].dx = sub_dx[i];
         cmptparm[i].dy = sub_dy[i];
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 2b6d5d89d7..f4403ca3d1 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -1524,8 +1524,9 @@ void ff_MPV_frame_end(MpegEncContext *s)
               !(s->flags & CODEC_FLAG_EMU_EDGE) &&
               !s->avctx->lowres
             ) {
-        int hshift = av_pix_fmt_descriptors[s->avctx->pix_fmt].log2_chroma_w;
-        int vshift = av_pix_fmt_descriptors[s->avctx->pix_fmt].log2_chroma_h;
+        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->avctx->pix_fmt);
+        int hshift = desc->log2_chroma_w;
+        int vshift = desc->log2_chroma_h;
         s->dsp.draw_edges(s->current_picture.f.data[0], s->current_picture.f.linesize[0],
                           s->h_edge_pos, s->v_edge_pos,
                           EDGE_WIDTH, EDGE_WIDTH,
@@ -2713,9 +2714,10 @@ void ff_draw_horiz_band(MpegEncContext *s, int y, int h){
        && s->current_picture.f.reference
        && !s->intra_only
        && !(s->flags&CODEC_FLAG_EMU_EDGE)) {
+        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->avctx->pix_fmt);
         int sides = 0, edge_h;
-        int hshift = av_pix_fmt_descriptors[s->avctx->pix_fmt].log2_chroma_w;
-        int vshift = av_pix_fmt_descriptors[s->avctx->pix_fmt].log2_chroma_h;
+        int hshift = desc->log2_chroma_w;
+        int vshift = desc->log2_chroma_h;
         if (y==0) sides |= EDGE_TOP;
         if (y + h >= s->v_edge_pos) sides |= EDGE_BOTTOM;
 
diff --git a/libavcodec/rawdec.c b/libavcodec/rawdec.c
index 98d49b30f2..d426f437f5 100644
--- a/libavcodec/rawdec.c
+++ b/libavcodec/rawdec.c
@@ -145,6 +145,7 @@ static int raw_decode(AVCodecContext *avctx,
     int buf_size = avpkt->size;
     int linesize_align = 4;
     RawVideoContext *context = avctx->priv_data;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
     int res, len;
 
     AVFrame   *frame   = data;
@@ -206,7 +207,7 @@ static int raw_decode(AVCodecContext *avctx,
                               avctx->width, avctx->height)) < 0)
         return res;
     if((avctx->pix_fmt==AV_PIX_FMT_PAL8 && buf_size < context->length) ||
-       (av_pix_fmt_descriptors[avctx->pix_fmt].flags & PIX_FMT_PSEUDOPAL)) {
+       (desc->flags & PIX_FMT_PSEUDOPAL)) {
         frame->data[1]= (uint8_t*)context->palette;
     }
     if (avctx->pix_fmt == AV_PIX_FMT_PAL8) {
diff --git a/libavcodec/rawenc.c b/libavcodec/rawenc.c
index abc650e0ba..c6da6b8d89 100644
--- a/libavcodec/rawenc.c
+++ b/libavcodec/rawenc.c
@@ -33,10 +33,12 @@
 
 static av_cold int raw_init_encoder(AVCodecContext *avctx)
 {
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
+
     avctx->coded_frame            = avctx->priv_data;
     avcodec_get_frame_defaults(avctx->coded_frame);
     avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
-    avctx->bits_per_coded_sample = av_get_bits_per_pixel(&av_pix_fmt_descriptors[avctx->pix_fmt]);
+    avctx->bits_per_coded_sample = av_get_bits_per_pixel(desc);
     if(!avctx->codec_tag)
         avctx->codec_tag = avcodec_pix_fmt_to_codec_tag(avctx->pix_fmt);
     return 0;
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 166b3b43a2..183776a09c 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -289,7 +289,8 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
 
 void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height)
 {
-    int chroma_shift = av_pix_fmt_descriptors[s->pix_fmt].log2_chroma_w;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->pix_fmt);
+    int chroma_shift = desc->log2_chroma_w;
     int linesize_align[AV_NUM_DATA_POINTERS];
     int align;
 
@@ -486,7 +487,8 @@ static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
         int unaligned;
         AVPicture picture;
         int stride_align[AV_NUM_DATA_POINTERS];
-        const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1 + 1;
+        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->pix_fmt);
+        const int pixel_size = desc->comp[0].step_minus1 + 1;
 
         avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
 
diff --git a/libavcodec/xwdenc.c b/libavcodec/xwdenc.c
index 03391f1003..fac3d0ba1f 100644
--- a/libavcodec/xwdenc.c
+++ b/libavcodec/xwdenc.c
@@ -43,14 +43,15 @@ static int xwd_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
                             const AVFrame *p, int *got_packet)
 {
     enum AVPixelFormat pix_fmt = avctx->pix_fmt;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
     uint32_t pixdepth, bpp, bpad, ncolors = 0, lsize, vclass, be = 0;
     uint32_t rgb[3] = { 0 }, bitorder = 0;
     uint32_t header_size;
     int i, out_size, ret;
     uint8_t *ptr, *buf;
 
-    pixdepth = av_get_bits_per_pixel(&av_pix_fmt_descriptors[pix_fmt]);
-    if (av_pix_fmt_descriptors[pix_fmt].flags & PIX_FMT_BE)
+    pixdepth = av_get_bits_per_pixel(desc);
+    if (desc->flags & PIX_FMT_BE)
         be = 1;
     switch (pix_fmt) {
     case AV_PIX_FMT_ARGB: