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Removing decode_one_iter() function.

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When superframe index is available we completely rely on it and use frame
size values from the index.

Change-Id: I0011d08b223303a8b912c2bcc8a02b74d0426ee0
This commit is contained in:
Dmitry Kovalev 2014-05-12 16:41:17 -07:00
parent dbf61d2f01
commit f4b736a646
1 changed files with 17 additions and 28 deletions
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45
vp9/vp9_dx_iface.c
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@ -371,34 +371,11 @@ static void parse_superframe_index(const uint8_t *data, size_t data_sz,
}
}
static vpx_codec_err_t decode_one_iter(vpx_codec_alg_priv_t *ctx,
const uint8_t **data_start_ptr,
const uint8_t *data_end,
uint32_t frame_size, void *user_priv,
long deadline) {
const vpx_codec_err_t res = decode_one(ctx, data_start_ptr, frame_size,
user_priv, deadline);
if (res != VPX_CODEC_OK)
return res;
// Account for suboptimal termination by the encoder.
while (*data_start_ptr < data_end) {
const uint8_t marker = read_marker(ctx->decrypt_cb, ctx->decrypt_state,
*data_start_ptr);
if (marker)
break;
(*data_start_ptr)++;
}
return VPX_CODEC_OK;
}
static vpx_codec_err_t decoder_decode(vpx_codec_alg_priv_t *ctx,
const uint8_t *data, unsigned int data_sz,
void *user_priv, long deadline) {
const uint8_t *data_start = data;
const uint8_t *const data_end = data + data_sz;
vpx_codec_err_t res;
uint32_t frame_sizes[8];
int frame_count;
@ -412,25 +389,37 @@ static vpx_codec_err_t decoder_decode(vpx_codec_alg_priv_t *ctx,
int i;
for (i = 0; i < frame_count; ++i) {
const uint8_t *data_start_copy = data_start;
const uint32_t frame_size = frame_sizes[i];
vpx_codec_err_t res;
if (data_start < data ||
frame_size > (uint32_t)(data_end - data_start)) {
ctx->base.err_detail = "Invalid frame size in index";
return VPX_CODEC_CORRUPT_FRAME;
}
res = decode_one_iter(ctx, &data_start, data_end, frame_size,
user_priv, deadline);
res = decode_one(ctx, &data_start_copy, frame_size, user_priv, deadline);
if (res != VPX_CODEC_OK)
return res;
data_start += frame_size;
}
} else {
while (data_start < data_end) {
res = decode_one_iter(ctx, &data_start, data_end,
(uint32_t)(data_end - data_start),
user_priv, deadline);
const uint32_t frame_size = (uint32_t)(data_end - data_start);
const vpx_codec_err_t res = decode_one(ctx, &data_start, frame_size,
user_priv, deadline);
if (res != VPX_CODEC_OK)
return res;
// Account for suboptimal termination by the encoder.
while (data_start < data_end) {
const uint8_t marker = read_marker(ctx->decrypt_cb, ctx->decrypt_state,
data_start);
if (marker)
break;
++data_start;
}
}
}