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avcodec/cfhd: Add support for 12-bit RGBA. 

Plays all known samples
This commit is contained in:
Kieran Kunhya 2016-02-27 13:17:20 +00:00
parent 0096453f70
commit 8adbe26b90
1 changed files with 15 additions and 9 deletions
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24
libavcodec/cfhd.c
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@ -141,7 +141,7 @@ static void free_buffers(AVCodecContext *avctx)
CFHDContext *s = avctx->priv_data;
int i;
for (i = 0; i < 3; i++) {
for (i = 0; i < 4; i++) {
av_freep(&s->plane[i].idwt_buf);
av_freep(&s->plane[i].idwt_tmp);
}
@ -152,15 +152,16 @@ static void free_buffers(AVCodecContext *avctx)
static int alloc_buffers(AVCodecContext *avctx)
{
CFHDContext *s = avctx->priv_data;
int i, j, k, ret;
int i, j, k, ret, planes;
if ((ret = ff_set_dimensions(avctx, s->coded_width, s->coded_height)) < 0)
return ret;
avctx->pix_fmt = s->coded_format;
avcodec_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_x_shift, &s->chroma_y_shift);
planes = av_pix_fmt_count_planes(avctx->pix_fmt);
for (i = 0; i < 3; i++) {
for (i = 0; i < planes; i++) {
int width = i ? avctx->width >> s->chroma_x_shift : avctx->width;
int height = i ? avctx->height >> s->chroma_y_shift : avctx->height;
int stride = FFALIGN(width / 8, 8) * 8;
@ -226,11 +227,12 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
GetByteContext gb;
ThreadFrame frame = { .f = data };
AVFrame *pic = data;
int ret = 0, i, j, plane, got_buffer = 0;
int ret = 0, i, j, planes, plane, got_buffer = 0;
int16_t *coeff_data;
s->coded_format = AV_PIX_FMT_YUV422P10;
init_frame_defaults(s);
planes = av_pix_fmt_count_planes(s->coded_format);
bytestream2_init(&gb, avpkt->data, avpkt->size);
@ -256,7 +258,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
} else if (tag == 12) {
av_log(avctx, AV_LOG_DEBUG, "Channel Count: %"PRIu16"\n", data);
s->channel_cnt = data;
if (data != 3) {
if (data > 4) {
av_log(avctx, AV_LOG_ERROR, "Channel Count of %"PRIu16" is unsupported\n", data);
ret = AVERROR_PATCHWELCOME;
break;
@ -271,7 +273,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
} else if (tag == 62) {
s->channel_num = data;
av_log(avctx, AV_LOG_DEBUG, "Channel number %"PRIu16"\n", data);
if (s->channel_num > 2) {
if (s->channel_num >= planes) {
av_log(avctx, AV_LOG_ERROR, "Invalid channel number\n");
ret = AVERROR(EINVAL);
break;
@ -410,11 +412,14 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
s->coded_format = AV_PIX_FMT_YUV422P10;
else if (data == 3)
s->coded_format = AV_PIX_FMT_GBRP12;
else if (data == 4)
s->coded_format = AV_PIX_FMT_GBRAP12;
else {
avpriv_report_missing_feature(avctx, "Sample format of %"PRIu16" is unsupported\n", data);
ret = AVERROR_PATCHWELCOME;
break;
}
planes = av_pix_fmt_count_planes(s->coded_format);
} else
av_log(avctx, AV_LOG_DEBUG, "Unknown tag %i data %x\n", tag, data);
@ -575,12 +580,13 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
goto end;
}
for (plane = 0; plane < 3 && !ret; plane++) {
planes = av_pix_fmt_count_planes(avctx->pix_fmt);
for (plane = 0; plane < planes && !ret; plane++) {
/* level 1 */
int lowpass_height = s->plane[plane].band[0][0].height;
int lowpass_width = s->plane[plane].band[0][0].width;
int highpass_stride = s->plane[plane].band[0][1].stride;
int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : 0;
int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane;
int16_t *low, *high, *output, *dst;
if (lowpass_height > s->plane[plane].band[0][0].a_height || lowpass_width > s->plane[plane].band[0][0].a_width ||
@ -623,7 +629,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
high += lowpass_width;
output += lowpass_width * 2;
}
if (avctx->pix_fmt == AV_PIX_FMT_GBRP12) {
if (s->bpc == 12) {
output = s->plane[plane].subband[0];
for (i = 0; i < lowpass_height * 2; i++) {
for (j = 0; j < lowpass_width * 2; j++)