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Lazy migration from audio4 that's missing in ffmpeg5, may not be
entirely right but tested to play at least .tta/.wma properly.
https://github.com/xmms2/xmms2-devel/pull/11
Bug: https://bugs.gentoo.org/834398
Signed-off-by: Ionen Wolkens <ionen@gentoo.org>
--- a/src/plugins/avcodec/avcodec.c
+++ b/src/plugins/avcodec/avcodec.c
@@ -32,4 +32,5 @@
typedef struct {
AVCodecContext *codecctx;
+ AVPacket packet;
guchar *buffer;
@@ -150,4 +151,5 @@
data->buffer_size = AVCODEC_BUFFER_SIZE;
data->codecctx = NULL;
+ data->packet.size = 0;
data->read_out_frame = av_frame_alloc ();
@@ -155,6 +157,4 @@
xmms_xform_private_data_set (xform, data);
- avcodec_register_all ();
-
mimetype = xmms_xform_indata_get_str (xform,
XMMS_STREAM_TYPE_MIMETYPE);
@@ -467,43 +467,35 @@
xmms_avcodec_internal_decode_some (xmms_avcodec_data_t *data)
{
- int got_frame = 0;
- gint bytes_read = 0;
- AVPacket packet;
+ int rc = 0;
- av_init_packet (&packet);
- packet.data = data->buffer;
- packet.size = data->buffer_length;
-
- /* clear buffers and reset fields to defaults */
- av_frame_unref (data->read_out_frame);
-
- bytes_read = avcodec_decode_audio4 (
- data->codecctx, data->read_out_frame, &got_frame, &packet);
-
- /* The DTS decoder of ffmpeg is buggy and always returns
- * the input buffer length, get frame length from header */
- /* FIXME: Is ^^^^ still true? */
- if (!strcmp (data->codec_id, "dca") && bytes_read > 0) {
- bytes_read = ((int)data->buffer[5] << 12) |
- ((int)data->buffer[6] << 4) |
- ((int)data->buffer[7] >> 4);
- bytes_read = (bytes_read & 0x3fff) + 1;
+ if (data->packet.size == 0) {
+ av_init_packet (&data->packet);
+ data->packet.data = data->buffer;
+ data->packet.size = data->buffer_length;
+
+ rc = avcodec_send_packet(data->codecctx, &data->packet);
+ if (rc == AVERROR_EOF)
+ rc = 0;
+ }
+
+ if (rc == 0) {
+ rc = avcodec_receive_frame(data->codecctx, data->read_out_frame);
+ if (rc < 0) {
+ data->packet.size = 0;
+ data->buffer_length = 0;
+ if (rc == AVERROR(EAGAIN)) rc = 0;
+ else if (rc == AVERROR_EOF) rc = 1;
+ }
+ else
+ rc = 1;
}
- if (bytes_read < 0 || bytes_read > data->buffer_length) {
+ if (rc < 0) {
+ data->packet.size = 0;
XMMS_DBG ("Error decoding data!");
return -1;
}
- if (bytes_read < data->buffer_length) {
- data->buffer_length -= bytes_read;
- g_memmove (data->buffer,
- data->buffer + bytes_read,
- data->buffer_length);
- } else {
- data->buffer_length = 0;
- }
-
- return got_frame ? 1 : 0;
+ return rc;
}
--- a/src/plugins/avcodec/wscript
+++ b/src/plugins/avcodec/wscript
@@ -2,5 +2,5 @@
## Code fragments for configuration
-avcodec_decode_audio4_fragment = """
+avcodec_send_packet_fragment = """
#ifdef HAVE_LIBAVCODEC_AVCODEC_H
# include "libavcodec/avcodec.h"
@@ -10,9 +10,7 @@
int main(void) {
AVCodecContext *ctx;
- AVFrame *frame;
- int got_frame;
AVPacket *pkt;
- avcodec_decode_audio4 (ctx, frame, &got_frame, pkt);
+ avcodec_send_packet (ctx, pkt);
return 0;
@@ -44,7 +42,7 @@
# * ffmpeg: commit e4de716, lavc 53.40.0, release 0.9
# * libav: commit 0eea212, lavc 53.25.0, release 0.8
- conf.check_cc(fragment=avcodec_decode_audio4_fragment, uselib="avcodec",
- uselib_store="avcodec_decode_audio4",
- msg="Checking for function avcodec_decode_audio4", mandatory=True)
+ conf.check_cc(fragment=avcodec_send_packet_fragment, uselib="avcodec",
+ uselib_store="avcodec_send_packet",
+ msg="Checking for function avcodec_send_packet", mandatory=True)
# non-mandatory function avcodec_free_frame since
|
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