#include <string.h>
#include "avcodec.h"
-#include "dsputil.h"
+#include "internal.h"
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
+#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#include "truemotion1data.h"
* there was an error while decoding the header */
static int truemotion1_decode_header(TrueMotion1Context *s)
{
- int i;
+ int i, ret;
int width_shift = 0;
int new_pix_fmt;
struct frame_header header;
if (s->buf[0] < 0x10)
{
av_log(s->avctx, AV_LOG_ERROR, "invalid header size (%d)\n", s->buf[0]);
- return -1;
+ return AVERROR_INVALIDDATA;
}
/* unscramble the header bytes with a XOR operation */
if (header.header_type > 3)
{
av_log(s->avctx, AV_LOG_ERROR, "invalid header type (%d)\n", header.header_type);
- return -1;
+ return AVERROR_INVALIDDATA;
} else if ((header.header_type == 2) || (header.header_type == 3)) {
s->flags = header.flags;
if (!(s->flags & FLAG_INTERFRAME))
s->flags = FLAG_KEYFRAME;
if (s->flags & FLAG_SPRITE) {
- av_log_ask_for_sample(s->avctx, "SPRITE frame found.\n");
+ avpriv_request_sample(s->avctx, "Frame with sprite");
/* FIXME header.width, height, xoffset and yoffset aren't initialized */
- return -1;
+ return AVERROR_PATCHWELCOME;
} else {
s->w = header.xsize;
s->h = header.ysize;
if ((s->w < 213) && (s->h >= 176))
{
s->flags |= FLAG_INTERPOLATED;
- av_log_ask_for_sample(s->avctx, "INTERPOLATION selected.\n");
+ avpriv_request_sample(s->avctx, "Interpolated frame");
}
}
}
if (header.compression >= 17) {
av_log(s->avctx, AV_LOG_ERROR, "invalid compression type (%d)\n", header.compression);
- return -1;
+ return AVERROR_INVALIDDATA;
}
if ((header.deltaset != s->last_deltaset) ||
sel_vector_table = tables[header.vectable - 1];
else {
av_log(s->avctx, AV_LOG_ERROR, "invalid vector table id (%d)\n", header.vectable);
- return -1;
+ return AVERROR_INVALIDDATA;
}
}
if (compression_types[header.compression].algorithm == ALGO_RGB24H) {
- new_pix_fmt = PIX_FMT_RGB32;
+ new_pix_fmt = AV_PIX_FMT_RGB32;
width_shift = 1;
} else
- new_pix_fmt = PIX_FMT_RGB555; // RGB565 is supported as well
+ new_pix_fmt = AV_PIX_FMT_RGB555; // RGB565 is supported as well
s->w >>= width_shift;
- if (av_image_check_size(s->w, s->h, 0, s->avctx) < 0)
- return -1;
+ if ((ret = av_image_check_size(s->w, s->h, 0, s->avctx)) < 0)
+ return ret;
if (s->w != s->avctx->width || s->h != s->avctx->height ||
new_pix_fmt != s->avctx->pix_fmt) {
- if (s->frame.data[0])
- s->avctx->release_buffer(s->avctx, &s->frame);
+ av_frame_unref(&s->frame);
s->avctx->sample_aspect_ratio = (AVRational){ 1 << width_shift, 1 };
s->avctx->pix_fmt = new_pix_fmt;
avcodec_set_dimensions(s->avctx, s->w, s->h);
if (compression_types[header.compression].algorithm == ALGO_RGB24H)
gen_vector_table24(s, sel_vector_table);
else
- if (s->avctx->pix_fmt == PIX_FMT_RGB555)
+ if (s->avctx->pix_fmt == AV_PIX_FMT_RGB555)
gen_vector_table15(s, sel_vector_table);
else
gen_vector_table16(s, sel_vector_table);
// FIXME: it may change ?
// if (avctx->bits_per_sample == 24)
-// avctx->pix_fmt = PIX_FMT_RGB24;
+// avctx->pix_fmt = AV_PIX_FMT_RGB24;
// else
-// avctx->pix_fmt = PIX_FMT_RGB555;
+// avctx->pix_fmt = AV_PIX_FMT_RGB555;
- s->frame.data[0] = NULL;
+ avcodec_get_frame_defaults(&s->frame);
/* there is a vertical predictor for each pixel in a line; each vertical
* predictor is 0 to start with */
static int truemotion1_decode_frame(AVCodecContext *avctx,
- void *data, int *data_size,
+ void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
- int buf_size = avpkt->size;
+ int ret, buf_size = avpkt->size;
TrueMotion1Context *s = avctx->priv_data;
s->buf = buf;
s->size = buf_size;
- if (truemotion1_decode_header(s) == -1)
- return -1;
+ if ((ret = truemotion1_decode_header(s)) < 0)
+ return ret;
- s->frame.reference = 1;
- s->frame.buffer_hints = FF_BUFFER_HINTS_VALID |
- FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE;
- if (avctx->reget_buffer(avctx, &s->frame) < 0) {
+ if ((ret = ff_reget_buffer(avctx, &s->frame)) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
- return -1;
+ return ret;
}
if (compression_types[s->compression].algorithm == ALGO_RGB24H) {
truemotion1_decode_16bit(s);
}
- *data_size = sizeof(AVFrame);
- *(AVFrame*)data = s->frame;
+ if ((ret = av_frame_ref(data, &s->frame)) < 0)
+ return ret;
+
+ *got_frame = 1;
/* report that the buffer was completely consumed */
return buf_size;
{
TrueMotion1Context *s = avctx->priv_data;
- if (s->frame.data[0])
- avctx->release_buffer(avctx, &s->frame);
-
+ av_frame_unref(&s->frame);
av_free(s->vert_pred);
return 0;