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Code Issues Releases Activity

avcodec/libvpxdec: pass decoder instances to vpx_init directly

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If the alpha decoder init failed we presented the error message from the normal
decoder. This change should prevent such mistakes.

Signed-off-by: Marton Balint <cus@passwd.hu>
Signed-off-by: James Zern <jzern@google.com>
This commit is contained in:
Marton Balint
2019-10-27 18:10:34 +01:00
committed by James Zern
parent 99e0007046
commit 98aa1eb1cb
1 changed files with 13 additions and 13 deletions
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26
libavcodec/libvpxdec.c
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@@ -42,10 +42,9 @@ typedef struct VPxDecoderContext {
} VPxContext; } VPxContext;
static av_cold int vpx_init(AVCodecContext *avctx, static av_cold int vpx_init(AVCodecContext *avctx,
const struct vpx_codec_iface *iface, struct vpx_codec_ctx* decoder,
int is_alpha_decoder) const struct vpx_codec_iface *iface)
{ {
VPxContext *ctx = avctx->priv_data;
struct vpx_codec_dec_cfg deccfg = { struct vpx_codec_dec_cfg deccfg = {
.threads = FFMIN(avctx->thread_count ? avctx->thread_count : av_cpu_count(), 16) .threads = FFMIN(avctx->thread_count ? avctx->thread_count : av_cpu_count(), 16)
}; };
@@ -53,10 +52,8 @@ static av_cold int vpx_init(AVCodecContext *avctx,
av_log(avctx, AV_LOG_INFO, "%s\n", vpx_codec_version_str()); av_log(avctx, AV_LOG_INFO, "%s\n", vpx_codec_version_str());
av_log(avctx, AV_LOG_VERBOSE, "%s\n", vpx_codec_build_config()); av_log(avctx, AV_LOG_VERBOSE, "%s\n", vpx_codec_build_config());
if (vpx_codec_dec_init( if (vpx_codec_dec_init(decoder, iface, &deccfg, 0) != VPX_CODEC_OK) {
is_alpha_decoder ? &ctx->decoder_alpha : &ctx->decoder, const char *error = vpx_codec_error(decoder);
iface, &deccfg, 0) != VPX_CODEC_OK) {
const char *error = vpx_codec_error(&ctx->decoder);
av_log(avctx, AV_LOG_ERROR, "Failed to initialize decoder: %s\n", av_log(avctx, AV_LOG_ERROR, "Failed to initialize decoder: %s\n",
error); error);
return AVERROR(EINVAL); return AVERROR(EINVAL);
@@ -199,15 +196,16 @@ static int vpx_decode(AVCodecContext *avctx,
if (!ctx->has_alpha_channel) { if (!ctx->has_alpha_channel) {
ctx->has_alpha_channel = 1; ctx->has_alpha_channel = 1;
ret = vpx_init(avctx, ret = vpx_init(avctx,
&ctx->decoder_alpha,
#if CONFIG_LIBVPX_VP8_DECODER && CONFIG_LIBVPX_VP9_DECODER #if CONFIG_LIBVPX_VP8_DECODER && CONFIG_LIBVPX_VP9_DECODER
(avctx->codec_id == AV_CODEC_ID_VP8) ? (avctx->codec_id == AV_CODEC_ID_VP8) ?
&vpx_codec_vp8_dx_algo : &vpx_codec_vp9_dx_algo, &vpx_codec_vp8_dx_algo : &vpx_codec_vp9_dx_algo
#elif CONFIG_LIBVPX_VP8_DECODER #elif CONFIG_LIBVPX_VP8_DECODER
&vpx_codec_vp8_dx_algo, &vpx_codec_vp8_dx_algo
#else #else
&vpx_codec_vp9_dx_algo, &vpx_codec_vp9_dx_algo
#endif #endif
1); );
if (ret) if (ret)
return ret; return ret;
} }
@@ -275,7 +273,8 @@ static av_cold int vpx_free(AVCodecContext *avctx)
#if CONFIG_LIBVPX_VP8_DECODER #if CONFIG_LIBVPX_VP8_DECODER
static av_cold int vp8_init(AVCodecContext *avctx) static av_cold int vp8_init(AVCodecContext *avctx)
{ {
return vpx_init(avctx, &vpx_codec_vp8_dx_algo, 0); VPxContext *ctx = avctx->priv_data;
return vpx_init(avctx, &ctx->decoder, &vpx_codec_vp8_dx_algo);
} }
AVCodec ff_libvpx_vp8_decoder = { AVCodec ff_libvpx_vp8_decoder = {
@@ -295,7 +294,8 @@ AVCodec ff_libvpx_vp8_decoder = {
#if CONFIG_LIBVPX_VP9_DECODER #if CONFIG_LIBVPX_VP9_DECODER
static av_cold int vp9_init(AVCodecContext *avctx) static av_cold int vp9_init(AVCodecContext *avctx)
{ {
return vpx_init(avctx, &vpx_codec_vp9_dx_algo, 0); VPxContext *ctx = avctx->priv_data;
return vpx_init(avctx, &ctx->decoder, &vpx_codec_vp9_dx_algo);
} }
AVCodec ff_libvpx_vp9_decoder = { AVCodec ff_libvpx_vp9_decoder = {