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fftools/ffmpeg_dec: eliminate InputStream use in hw_device_setup_for_decode()

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The same information can also be obtained from the decoder itself.

This is a step towards decoupling Decoder and InputStream.
This commit is contained in:
Anton Khirnov 2024-01-23 18:42:20 +01:00
parent 097f9ddbe9
commit d5f9ef766b
1 changed files with 8 additions and 7 deletions
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15
fftools/ffmpeg_dec.c
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@ -803,7 +803,8 @@ static HWDevice *hw_device_match_by_codec(const AVCodec *codec)
}
}
static int hw_device_setup_for_decode(InputStream *ist, DecoderPriv *dp,
static int hw_device_setup_for_decode(DecoderPriv *dp,
const AVCodec *codec,
const char *hwaccel_device)
{
const AVCodecHWConfig *config;
@ -858,7 +859,7 @@ static int hw_device_setup_for_decode(InputStream *ist, DecoderPriv *dp,
if (!dev)
err = hw_device_init_from_type(type, NULL, &dev);
} else {
dev = hw_device_match_by_codec(ist->dec);
dev = hw_device_match_by_codec(codec);
if (!dev) {
// No device for this codec, but not using generic hwaccel
// and therefore may well not need one - ignore.
@ -869,12 +870,12 @@ static int hw_device_setup_for_decode(InputStream *ist, DecoderPriv *dp,
if (auto_device) {
int i;
if (!avcodec_get_hw_config(ist->dec, 0)) {
if (!avcodec_get_hw_config(codec, 0)) {
// Decoder does not support any hardware devices.
return 0;
}
for (i = 0; !dev; i++) {
config = avcodec_get_hw_config(ist->dec, i);
config = avcodec_get_hw_config(codec, i);
if (!config)
break;
type = config->device_type;
@ -886,7 +887,7 @@ static int hw_device_setup_for_decode(InputStream *ist, DecoderPriv *dp,
}
}
for (i = 0; !dev; i++) {
config = avcodec_get_hw_config(ist->dec, i);
config = avcodec_get_hw_config(codec, i);
if (!config)
break;
type = config->device_type;
@ -921,7 +922,7 @@ static int hw_device_setup_for_decode(InputStream *ist, DecoderPriv *dp,
if (!dev) {
av_log(dp, AV_LOG_ERROR, "No device available "
"for decoder: device type %s needed for codec %s.\n",
av_hwdevice_get_type_name(type), ist->dec->name);
av_hwdevice_get_type_name(type), codec->name);
return err;
}
@ -1010,7 +1011,7 @@ int dec_open(InputStream *ist, Scheduler *sch, unsigned sch_idx,
av_dict_set(dec_opts, "flags", "+copy_opaque", AV_DICT_MULTIKEY);
ret = hw_device_setup_for_decode(ist, dp, o->hwaccel_device);
ret = hw_device_setup_for_decode(dp, codec, o->hwaccel_device);
if (ret < 0) {
av_log(dp, AV_LOG_ERROR,
"Hardware device setup failed for decoder: %s\n",